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cifsd: Alignment should match open parenthesis

Browse source 
Fix warnings "Alignment should match open parenthesis" from
checkpatch.pl --strict.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-05-26 17:57:12 +09:00
parent fe30ea69ff
commit 070fb21e59
32 changed files with 1021 additions and 1071 deletions
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38
fs/cifsd/asn1.c
View file

@ -37,7 +37,7 @@ static char NTLMSSP_OID_STR[NTLMSSP_OID_LEN] = { 0x2b, 0x06, 0x01, 0x04, 0x01,
static bool
asn1_subid_decode(const unsigned char **begin, const unsigned char *end,
unsigned long *subid)
unsigned long *subid)
{
const unsigned char *ptr = *begin;
unsigned char ch;
@ -58,7 +58,7 @@ asn1_subid_decode(const unsigned char **begin, const unsigned char *end,
}
static bool asn1_oid_decode(const unsigned char *value, size_t vlen,
unsigned long **oid, size_t *oidlen)
unsigned long **oid, size_t *oidlen)
{
const unsigned char *iptr = value, *end = value + vlen;
unsigned long *optr;
@ -106,9 +106,8 @@ static bool asn1_oid_decode(const unsigned char *value, size_t vlen,
return false;
}
static bool
oid_eq(unsigned long *oid1, unsigned int oid1len,
unsigned long *oid2, unsigned int oid2len)
static bool oid_eq(unsigned long *oid1, unsigned int oid1len,
unsigned long *oid2, unsigned int oid2len)
{
if (oid1len != oid2len)
return false;
@ -118,7 +117,7 @@ oid_eq(unsigned long *oid1, unsigned int oid1len,
int
ksmbd_decode_negTokenInit(unsigned char *security_blob, int length,
struct ksmbd_conn *conn)
struct ksmbd_conn *conn)
{
return asn1_ber_decoder(&spnego_negtokeninit_decoder, conn,
security_blob, length);
@ -126,7 +125,7 @@ ksmbd_decode_negTokenInit(unsigned char *security_blob, int length,
int
ksmbd_decode_negTokenTarg(unsigned char *security_blob, int length,
struct ksmbd_conn *conn)
struct ksmbd_conn *conn)
{
return asn1_ber_decoder(&spnego_negtokentarg_decoder, conn,
security_blob, length);
@ -146,10 +145,7 @@ static int compute_asn_hdr_len_bytes(int len)
return 0;
}
static void encode_asn_tag(char *buf,
unsigned int *ofs,
char tag,
char seq,
static void encode_asn_tag(char *buf, unsigned int *ofs, char tag, char seq,
int length)
{
int i;
@ -184,7 +180,7 @@ static void encode_asn_tag(char *buf,
}
int build_spnego_ntlmssp_neg_blob(unsigned char **pbuffer, u16 *buflen,
char *ntlm_blob, int ntlm_blob_len)
char *ntlm_blob, int ntlm_blob_len)
{
char *buf;
unsigned int ofs = 0;
@ -225,7 +221,7 @@ int build_spnego_ntlmssp_neg_blob(unsigned char **pbuffer, u16 *buflen,
}
int build_spnego_ntlmssp_auth_blob(unsigned char **pbuffer, u16 *buflen,
int neg_result)
int neg_result)
{
char *buf;
unsigned int ofs = 0;
@ -252,8 +248,8 @@ int build_spnego_ntlmssp_auth_blob(unsigned char **pbuffer, u16 *buflen,
return 0;
}
int gssapi_this_mech(void *context, size_t hdrlen,
unsigned char tag, const void *value, size_t vlen)
int gssapi_this_mech(void *context, size_t hdrlen, unsigned char tag,
const void *value, size_t vlen)
{
unsigned long *oid;
size_t oidlen;
@ -277,8 +273,8 @@ int gssapi_this_mech(void *context, size_t hdrlen,
return err;
}
int neg_token_init_mech_type(void *context, size_t hdrlen,
unsigned char tag, const void *value, size_t vlen)
int neg_token_init_mech_type(void *context, size_t hdrlen, unsigned char tag,
const void *value, size_t vlen)
{
struct ksmbd_conn *conn = context;
unsigned long *oid;
@ -314,8 +310,8 @@ int neg_token_init_mech_type(void *context, size_t hdrlen,
return -EBADMSG;
}
int neg_token_init_mech_token(void *context, size_t hdrlen,
unsigned char tag, const void *value, size_t vlen)
int neg_token_init_mech_token(void *context, size_t hdrlen, unsigned char tag,
const void *value, size_t vlen)
{
struct ksmbd_conn *conn = context;
@ -328,8 +324,8 @@ int neg_token_init_mech_token(void *context, size_t hdrlen,
return 0;
}
int neg_token_targ_resp_token(void *context, size_t hdrlen,
unsigned char tag, const void *value, size_t vlen)
int neg_token_targ_resp_token(void *context, size_t hdrlen, unsigned char tag,
const void *value, size_t vlen)
{
struct ksmbd_conn *conn = context;

18
fs/cifsd/asn1.h
View file

@ -10,20 +10,12 @@
#ifndef __ASN1_H__
#define __ASN1_H__
int ksmbd_decode_negTokenInit(unsigned char *security_blob,
int length,
int ksmbd_decode_negTokenInit(unsigned char *security_blob, int length,
struct ksmbd_conn *conn);
int ksmbd_decode_negTokenTarg(unsigned char *security_blob,
int length,
int ksmbd_decode_negTokenTarg(unsigned char *security_blob, int length,
struct ksmbd_conn *conn);
int build_spnego_ntlmssp_neg_blob(unsigned char **pbuffer,
u16 *buflen,
char *ntlm_blob,
int ntlm_blob_len);
int build_spnego_ntlmssp_auth_blob(unsigned char **pbuffer,
u16 *buflen,
int build_spnego_ntlmssp_neg_blob(unsigned char **pbuffer, u16 *buflen,
char *ntlm_blob, int ntlm_blob_len);
int build_spnego_ntlmssp_auth_blob(unsigned char **pbuffer, u16 *buflen,
int neg_result);
#endif /* __ASN1_H__ */

115
fs/cifsd/auth.c
View file

@ -93,8 +93,7 @@ smbhash(unsigned char *out, const unsigned char *in, unsigned char *key)
struct des_ctx ctx;
if (fips_enabled) {
ksmbd_debug(AUTH,
"FIPS compliance enabled: DES not permitted\n");
ksmbd_debug(AUTH, "FIPS compliance enabled: DES not permitted\n");
return -ENOENT;
}
@ -120,7 +119,7 @@ static int ksmbd_enc_p24(unsigned char *p21, const unsigned char *c8, unsigned c
/* produce a md4 message digest from data of length n bytes */
static int ksmbd_enc_md4(unsigned char *md4_hash, unsigned char *link_str,
int link_len)
int link_len)
{
int rc;
struct ksmbd_crypto_ctx *ctx;
@ -152,7 +151,7 @@ static int ksmbd_enc_md4(unsigned char *md4_hash, unsigned char *link_str,
}
static int ksmbd_enc_update_sess_key(unsigned char *md5_hash, char *nonce,
char *server_challenge, int len)
char *server_challenge, int len)
{
int rc;
struct ksmbd_crypto_ctx *ctx;
@ -197,7 +196,7 @@ static int ksmbd_enc_update_sess_key(unsigned char *md5_hash, char *nonce,
*
*/
static int ksmbd_gen_sess_key(struct ksmbd_session *sess, char *hash,
char *hmac)
char *hmac)
{
struct ksmbd_crypto_ctx *ctx;
int rc;
@ -226,15 +225,13 @@ static int ksmbd_gen_sess_key(struct ksmbd_session *sess, char *hash,
hmac,
SMB2_NTLMV2_SESSKEY_SIZE);
if (rc) {
ksmbd_debug(AUTH, "Could not update with response error %d\n",
rc);
ksmbd_debug(AUTH, "Could not update with response error %d\n", rc);
goto out;
}
rc = crypto_shash_final(CRYPTO_HMACMD5(ctx), sess->sess_key);
if (rc) {
ksmbd_debug(AUTH, "Could not generate hmacmd5 hash error %d\n",
rc);
ksmbd_debug(AUTH, "Could not generate hmacmd5 hash error %d\n", rc);
goto out;
}
@ -244,7 +241,7 @@ static int ksmbd_gen_sess_key(struct ksmbd_session *sess, char *hash,
}
static int calc_ntlmv2_hash(struct ksmbd_session *sess, char *ntlmv2_hash,
char *dname)
char *dname)
{
int ret, len, conv_len;
wchar_t *domain = NULL;
@ -280,7 +277,7 @@ static int calc_ntlmv2_hash(struct ksmbd_session *sess, char *ntlmv2_hash,
}
conv_len = smb_strtoUTF16(uniname, user_name(sess->user), len,
sess->conn->local_nls);
sess->conn->local_nls);
if (conv_len < 0 || conv_len > len) {
ret = -EINVAL;
goto out;
@ -304,7 +301,7 @@ static int calc_ntlmv2_hash(struct ksmbd_session *sess, char *ntlmv2_hash,
}
conv_len = smb_strtoUTF16((__le16 *)domain, dname, len,
sess->conn->local_nls);
sess->conn->local_nls);
if (conv_len < 0 || conv_len > len) {
ret = -EINVAL;
goto out;
@ -350,11 +347,10 @@ int ksmbd_auth_ntlm(struct ksmbd_session *sess, char *pw_buf)
return rc;
}
ksmbd_enc_md4(sess->sess_key,
user_passkey(sess->user),
CIFS_SMB1_SESSKEY_SIZE);
ksmbd_enc_md4(sess->sess_key, user_passkey(sess->user),
CIFS_SMB1_SESSKEY_SIZE);
memcpy(sess->sess_key + CIFS_SMB1_SESSKEY_SIZE, key,
CIFS_AUTH_RESP_SIZE);
CIFS_AUTH_RESP_SIZE);
sess->sequence_number = 1;
if (strncmp(pw_buf, key, CIFS_AUTH_RESP_SIZE) != 0) {
@ -376,7 +372,7 @@ int ksmbd_auth_ntlm(struct ksmbd_session *sess, char *pw_buf)
* Return: 0 on success, error number on error
*/
int ksmbd_auth_ntlmv2(struct ksmbd_session *sess, struct ntlmv2_resp *ntlmv2,
int blen, char *domain_name)
int blen, char *domain_name)
{
char ntlmv2_hash[CIFS_ENCPWD_SIZE];
char ntlmv2_rsp[CIFS_HMAC_MD5_HASH_SIZE];
@ -455,7 +451,7 @@ int ksmbd_auth_ntlmv2(struct ksmbd_session *sess, struct ntlmv2_resp *ntlmv2,
* Return: 0 on success, error number on error
*/
static int __ksmbd_auth_ntlmv2(struct ksmbd_session *sess, char *client_nonce,
char *ntlm_resp)
char *ntlm_resp)
{
char sess_key[CIFS_SMB1_SESSKEY_SIZE] = {0};
int rc;
@ -494,7 +490,7 @@ static int __ksmbd_auth_ntlmv2(struct ksmbd_session *sess, char *client_nonce,
* Return: 0 on success, error number on error
*/
int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
int blob_len, struct ksmbd_session *sess)
int blob_len, struct ksmbd_session *sess)
{
char *domain_name;
unsigned int lm_off, nt_off;
@ -503,13 +499,13 @@ int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
if (blob_len < sizeof(struct authenticate_message)) {
ksmbd_debug(AUTH, "negotiate blob len %d too small\n",
blob_len);
blob_len);
return -EINVAL;
}
if (memcmp(authblob->Signature, "NTLMSSP", 8)) {
ksmbd_debug(AUTH, "blob signature incorrect %s\n",
authblob->Signature);
authblob->Signature);
return -EINVAL;
}
@ -538,11 +534,10 @@ int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
/* process NTLMv2 authentication */
ksmbd_debug(AUTH, "decode_ntlmssp_authenticate_blob dname%s\n",
domain_name);
ret = ksmbd_auth_ntlmv2(sess,
(struct ntlmv2_resp *)((char *)authblob + nt_off),
nt_len - CIFS_ENCPWD_SIZE,
domain_name);
domain_name);
ret = ksmbd_auth_ntlmv2(sess, (struct ntlmv2_resp *)((char *)authblob + nt_off),
nt_len - CIFS_ENCPWD_SIZE,
domain_name);
kfree(domain_name);
return ret;
}
@ -556,17 +551,17 @@ int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
*
*/
int ksmbd_decode_ntlmssp_neg_blob(struct negotiate_message *negblob,
int blob_len, struct ksmbd_session *sess)
int blob_len, struct ksmbd_session *sess)
{
if (blob_len < sizeof(struct negotiate_message)) {
ksmbd_debug(AUTH, "negotiate blob len %d too small\n",
blob_len);
blob_len);
return -EINVAL;
}
if (memcmp(negblob->Signature, "NTLMSSP", 8)) {
ksmbd_debug(AUTH, "blob signature incorrect %s\n",
negblob->Signature);
negblob->Signature);
return -EINVAL;
}
@ -584,7 +579,7 @@ int ksmbd_decode_ntlmssp_neg_blob(struct negotiate_message *negblob,
*/
unsigned int
ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob,
struct ksmbd_session *sess)
struct ksmbd_session *sess)
{
struct target_info *tinfo;
wchar_t *name;
@ -623,7 +618,7 @@ ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob,
return -ENOMEM;
conv_len = smb_strtoUTF16((__le16 *)name, ksmbd_netbios_name(), len,
sess->conn->local_nls);
sess->conn->local_nls);
if (conv_len < 0 || conv_len > len) {
kfree(name);
return -EINVAL;
@ -641,7 +636,7 @@ ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob,
/* Initialize random conn challenge */
get_random_bytes(sess->ntlmssp.cryptkey, sizeof(__u64));
memcpy(chgblob->Challenge, sess->ntlmssp.cryptkey,
CIFS_CRYPTO_KEY_SIZE);
CIFS_CRYPTO_KEY_SIZE);
/* Add Target Information to security buffer */
chgblob->TargetInfoArray.BufferOffset = cpu_to_le32(blob_len);
@ -676,7 +671,7 @@ ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob,
#ifdef CONFIG_SMB_SERVER_KERBEROS5
int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
int in_len, char *out_blob, int *out_len)
int in_len, char *out_blob, int *out_len)
{
struct ksmbd_spnego_authen_response *resp;
struct ksmbd_user *user = NULL;
@ -696,7 +691,7 @@ int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
if (*out_len <= resp->spnego_blob_len) {
ksmbd_debug(AUTH, "buf len %d, but blob len %d\n",
*out_len, resp->spnego_blob_len);
*out_len, resp->spnego_blob_len);
retval = -EINVAL;
goto out;
}
@ -717,7 +712,7 @@ int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
memcpy(sess->sess_key, resp->payload, resp->session_key_len);
memcpy(out_blob, resp->payload + resp->session_key_len,
resp->spnego_blob_len);
resp->spnego_blob_len);
*out_len = resp->spnego_blob_len;
retval = 0;
out:
@ -726,7 +721,7 @@ int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
}
#else
int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
int in_len, char *out_blob, int *out_len)
int in_len, char *out_blob, int *out_len)
{
return -EOPNOTSUPP;
}
@ -742,7 +737,7 @@ int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
*
*/
int ksmbd_sign_smb2_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
int n_vec, char *sig)
int n_vec, char *sig)
{
struct ksmbd_crypto_ctx *ctx;
int rc, i;
@ -793,7 +788,7 @@ int ksmbd_sign_smb2_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
*
*/
int ksmbd_sign_smb3_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
int n_vec, char *sig)
int n_vec, char *sig)
{
struct ksmbd_crypto_ctx *ctx;
int rc, i;
@ -841,7 +836,7 @@ struct derivation {
};
static int generate_key(struct ksmbd_session *sess, struct kvec label,
struct kvec context, __u8 *key, unsigned int key_size)
struct kvec context, __u8 *key, unsigned int key_size)
{
unsigned char zero = 0x0;
__u8 i[4] = {0, 0, 0, 1};
@ -914,7 +909,7 @@ static int generate_key(struct ksmbd_session *sess, struct kvec label,
rc = crypto_shash_final(CRYPTO_HMACSHA256(ctx), hashptr);
if (rc) {
ksmbd_debug(AUTH, "Could not generate hmacmd5 hash error %d\n",
rc);
rc);
goto smb3signkey_ret;
}
@ -926,7 +921,7 @@ static int generate_key(struct ksmbd_session *sess, struct kvec label,
}
static int generate_smb3signingkey(struct ksmbd_session *sess,
const struct derivation *signing)
const struct derivation *signing)
{
int rc;
struct channel *chann;
@ -942,7 +937,7 @@ static int generate_smb3signingkey(struct ksmbd_session *sess,
key = sess->smb3signingkey;
rc = generate_key(sess, signing->label, signing->context, key,
SMB3_SIGN_KEY_SIZE);
SMB3_SIGN_KEY_SIZE);
if (rc)
return rc;
@ -952,9 +947,9 @@ static int generate_smb3signingkey(struct ksmbd_session *sess,
ksmbd_debug(AUTH, "dumping generated AES signing keys\n");
ksmbd_debug(AUTH, "Session Id %llu\n", sess->id);
ksmbd_debug(AUTH, "Session Key %*ph\n",
SMB2_NTLMV2_SESSKEY_SIZE, sess->sess_key);
SMB2_NTLMV2_SESSKEY_SIZE, sess->sess_key);
ksmbd_debug(AUTH, "Signing Key %*ph\n",
SMB3_SIGN_KEY_SIZE, key);
SMB3_SIGN_KEY_SIZE, key);
return 0;
}
@ -990,19 +985,19 @@ struct derivation_twin {
};
static int generate_smb3encryptionkey(struct ksmbd_session *sess,
const struct derivation_twin *ptwin)
const struct derivation_twin *ptwin)
{
int rc;
rc = generate_key(sess, ptwin->encryption.label,
ptwin->encryption.context, sess->smb3encryptionkey,
SMB3_ENC_DEC_KEY_SIZE);
ptwin->encryption.context, sess->smb3encryptionkey,
SMB3_ENC_DEC_KEY_SIZE);
if (rc)
return rc;
rc = generate_key(sess, ptwin->decryption.label,
ptwin->decryption.context,
sess->smb3decryptionkey, SMB3_ENC_DEC_KEY_SIZE);
ptwin->decryption.context,
sess->smb3decryptionkey, SMB3_ENC_DEC_KEY_SIZE);
if (rc)
return rc;
@ -1010,18 +1005,18 @@ static int generate_smb3encryptionkey(struct ksmbd_session *sess,
ksmbd_debug(AUTH, "Cipher type %d\n", sess->conn->cipher_type);
ksmbd_debug(AUTH, "Session Id %llu\n", sess->id);
ksmbd_debug(AUTH, "Session Key %*ph\n",
SMB2_NTLMV2_SESSKEY_SIZE, sess->sess_key);
SMB2_NTLMV2_SESSKEY_SIZE, sess->sess_key);
if (sess->conn->cipher_type == SMB2_ENCRYPTION_AES256_CCM ||
sess->conn->cipher_type == SMB2_ENCRYPTION_AES256_GCM) {
ksmbd_debug(AUTH, "ServerIn Key %*ph\n",
SMB3_GCM256_CRYPTKEY_SIZE, sess->smb3encryptionkey);
SMB3_GCM256_CRYPTKEY_SIZE, sess->smb3encryptionkey);
ksmbd_debug(AUTH, "ServerOut Key %*ph\n",
SMB3_GCM256_CRYPTKEY_SIZE, sess->smb3decryptionkey);
SMB3_GCM256_CRYPTKEY_SIZE, sess->smb3decryptionkey);
} else {
ksmbd_debug(AUTH, "ServerIn Key %*ph\n",
SMB3_GCM128_CRYPTKEY_SIZE, sess->smb3encryptionkey);
SMB3_GCM128_CRYPTKEY_SIZE, sess->smb3encryptionkey);
ksmbd_debug(AUTH, "ServerOut Key %*ph\n",
SMB3_GCM128_CRYPTKEY_SIZE, sess->smb3decryptionkey);
SMB3_GCM128_CRYPTKEY_SIZE, sess->smb3decryptionkey);
}
return 0;
}
@ -1067,7 +1062,7 @@ int ksmbd_gen_smb311_encryptionkey(struct ksmbd_session *sess)
}
int ksmbd_gen_preauth_integrity_hash(struct ksmbd_conn *conn, char *buf,
__u8 *pi_hash)
__u8 *pi_hash)
{
int rc;
struct smb2_hdr *rcv_hdr = (struct smb2_hdr *)buf;
@ -1114,7 +1109,7 @@ int ksmbd_gen_preauth_integrity_hash(struct ksmbd_conn *conn, char *buf,
}
int ksmbd_gen_sd_hash(struct ksmbd_conn *conn, char *sd_buf, int len,
__u8 *pi_hash)
__u8 *pi_hash)
{
int rc;
struct ksmbd_crypto_ctx *ctx = NULL;
@ -1148,7 +1143,7 @@ int ksmbd_gen_sd_hash(struct ksmbd_conn *conn, char *sd_buf, int len,
}
static int ksmbd_get_encryption_key(struct ksmbd_conn *conn, __u64 ses_id,
int enc, u8 *key)
int enc, u8 *key)
{
struct ksmbd_session *sess;
u8 *ses_enc_key;
@ -1165,7 +1160,7 @@ static int ksmbd_get_encryption_key(struct ksmbd_conn *conn, __u64 ses_id,
}
static inline void smb2_sg_set_buf(struct scatterlist *sg, const void *buf,
unsigned int buflen)
unsigned int buflen)
{
void *addr;
@ -1177,7 +1172,7 @@ static inline void smb2_sg_set_buf(struct scatterlist *sg, const void *buf,
}
static struct scatterlist *ksmbd_init_sg(struct kvec *iov, unsigned int nvec,
u8 *sign)
u8 *sign)
{
struct scatterlist *sg;
unsigned int assoc_data_len = sizeof(struct smb2_transform_hdr) - 24;
@ -1242,7 +1237,7 @@ static struct scatterlist *ksmbd_init_sg(struct kvec *iov, unsigned int nvec,
}
int ksmbd_crypt_message(struct ksmbd_conn *conn, struct kvec *iov,
unsigned int nvec, int enc)
unsigned int nvec, int enc)
{
struct smb2_transform_hdr *tr_hdr =
(struct smb2_transform_hdr *)iov[0].iov_base;

57
fs/cifsd/auth.h
View file

@ -35,56 +35,31 @@ struct ksmbd_session;
struct ksmbd_conn;
struct kvec;
int ksmbd_crypt_message(struct ksmbd_conn *conn,
struct kvec *iov,
unsigned int nvec,
int enc);
int ksmbd_crypt_message(struct ksmbd_conn *conn, struct kvec *iov,
unsigned int nvec, int enc);
void ksmbd_copy_gss_neg_header(void *buf);
int ksmbd_auth_ntlm(struct ksmbd_session *sess,
char *pw_buf);
int ksmbd_auth_ntlmv2(struct ksmbd_session *sess,
struct ntlmv2_resp *ntlmv2,
int blen,
char *domain_name);
int ksmbd_auth_ntlm(struct ksmbd_session *sess, char *pw_buf);
int ksmbd_auth_ntlmv2(struct ksmbd_session *sess, struct ntlmv2_resp *ntlmv2,
int blen, char *domain_name);
int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob,
int blob_len,
struct ksmbd_session *sess);
int blob_len, struct ksmbd_session *sess);
int ksmbd_decode_ntlmssp_neg_blob(struct negotiate_message *negblob,
int blob_len,
struct ksmbd_session *sess);
int blob_len, struct ksmbd_session *sess);
unsigned int
ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob,
struct ksmbd_session *sess);
int ksmbd_krb5_authenticate(struct ksmbd_session *sess,
char *in_blob, int in_len,
char *out_blob, int *out_len);
int ksmbd_sign_smb2_pdu(struct ksmbd_conn *conn,
char *key,
struct kvec *iov,
int n_vec,
char *sig);
int ksmbd_sign_smb3_pdu(struct ksmbd_conn *conn,
char *key,
struct kvec *iov,
int n_vec,
char *sig);
struct ksmbd_session *sess);
int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob,
int in_len, char *out_blob, int *out_len);
int ksmbd_sign_smb2_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
int n_vec, char *sig);
int ksmbd_sign_smb3_pdu(struct ksmbd_conn *conn, char *key, struct kvec *iov,
int n_vec, char *sig);
int ksmbd_gen_smb30_signingkey(struct ksmbd_session *sess);
int ksmbd_gen_smb311_signingkey(struct ksmbd_session *sess);
int ksmbd_gen_smb30_encryptionkey(struct ksmbd_session *sess);
int ksmbd_gen_smb311_encryptionkey(struct ksmbd_session *sess);
int ksmbd_gen_preauth_integrity_hash(struct ksmbd_conn *conn,
char *buf,
int ksmbd_gen_preauth_integrity_hash(struct ksmbd_conn *conn, char *buf,
__u8 *pi_hash);
int ksmbd_gen_sd_hash(struct ksmbd_conn *conn, char *sd_buf, int len,
__u8 *pi_hash);
__u8 *pi_hash);
#endif

3
fs/cifsd/buffer_pool.c
View file

@ -251,7 +251,8 @@ int ksmbd_init_buffer_pools(void)
goto out;
filp_cache = kmem_cache_create("ksmbd_file_cache",
sizeof(struct ksmbd_file), 0, SLAB_HWCACHE_ALIGN, NULL);
sizeof(struct ksmbd_file), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!filp_cache)
goto out;

3
fs/cifsd/buffer_pool.h
View file

@ -8,12 +8,9 @@
void *ksmbd_find_buffer(size_t size);
void ksmbd_release_buffer(void *buffer);
void *ksmbd_realloc_response(void *ptr, size_t old_sz, size_t new_sz);
void ksmbd_free_file_struct(void *filp);
void *ksmbd_alloc_file_struct(void);
void ksmbd_destroy_buffer_pools(void);
int ksmbd_init_buffer_pools(void);

24
fs/cifsd/connection.c
View file

@ -201,30 +201,30 @@ int ksmbd_conn_write(struct ksmbd_work *work)
}
int ksmbd_conn_rdma_read(struct ksmbd_conn *conn, void *buf,
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len)
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len)
{
int ret = -EINVAL;
if (conn->transport->ops->rdma_read)
ret = conn->transport->ops->rdma_read(conn->transport,
buf, buflen,
remote_key, remote_offset,
remote_len);
buf, buflen,
remote_key, remote_offset,
remote_len);
return ret;
}
int ksmbd_conn_rdma_write(struct ksmbd_conn *conn, void *buf,
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len)
unsigned int buflen, u32 remote_key,
u64 remote_offset, u32 remote_len)
{
int ret = -EINVAL;
if (conn->transport->ops->rdma_write)
ret = conn->transport->ops->rdma_write(conn->transport,
buf, buflen,
remote_key, remote_offset,
remote_len);
buf, buflen,
remote_key, remote_offset,
remote_len);
return ret;
}
@ -250,7 +250,7 @@ bool ksmbd_conn_alive(struct ksmbd_conn *conn)
if (server_conf.deadtime > 0 &&
time_after(jiffies, conn->last_active + server_conf.deadtime)) {
ksmbd_debug(CONN, "No response from client in %lu minutes\n",
server_conf.deadtime / SMB_ECHO_INTERVAL);
server_conf.deadtime / SMB_ECHO_INTERVAL);
return false;
}
return true;
@ -390,7 +390,7 @@ static void stop_sessions(void)
task = conn->transport->handler;
if (task)
ksmbd_debug(CONN, "Stop session handler %s/%d\n",
task->comm, task_pid_nr(task));
task->comm, task_pid_nr(task));
conn->status = KSMBD_SESS_EXITING;
}
read_unlock(&conn_list_lock);

22
fs/cifsd/connection.h
View file

@ -118,13 +118,13 @@ struct ksmbd_transport_ops {
void (*disconnect)(struct ksmbd_transport *t);
int (*read)(struct ksmbd_transport *t, char *buf, unsigned int size);
int (*writev)(struct ksmbd_transport *t, struct kvec *iovs, int niov,
int size, bool need_invalidate_rkey,
unsigned int remote_key);
int size, bool need_invalidate_rkey,
unsigned int remote_key);
int (*rdma_read)(struct ksmbd_transport *t, void *buf, unsigned int len,
u32 remote_key, u64 remote_offset, u32 remote_len);
u32 remote_key, u64 remote_offset, u32 remote_len);
int (*rdma_write)(struct ksmbd_transport *t, void *buf,
unsigned int len, u32 remote_key, u64 remote_offset,
u32 remote_len);
unsigned int len, u32 remote_key, u64 remote_offset,
u32 remote_len);
};
struct ksmbd_transport {
@ -139,24 +139,20 @@ struct ksmbd_transport {
bool ksmbd_conn_alive(struct ksmbd_conn *conn);
void ksmbd_conn_wait_idle(struct ksmbd_conn *conn);
struct ksmbd_conn *ksmbd_conn_alloc(void);
void ksmbd_conn_free(struct ksmbd_conn *conn);
bool ksmbd_conn_lookup_dialect(struct ksmbd_conn *c);
int ksmbd_conn_write(struct ksmbd_work *work);
int ksmbd_conn_rdma_read(struct ksmbd_conn *conn, void *buf,
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len);
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len);
int ksmbd_conn_rdma_write(struct ksmbd_conn *conn, void *buf,
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len);
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len);
void ksmbd_conn_enqueue_request(struct ksmbd_work *work);
int ksmbd_conn_try_dequeue_request(struct ksmbd_work *work);
void ksmbd_conn_init_server_callbacks(struct ksmbd_conn_ops *ops);
int ksmbd_conn_handler_loop(void *p);
int ksmbd_conn_transport_init(void);
void ksmbd_conn_transport_destroy(void);

4
fs/cifsd/crypto_ctx.c
View file

@ -123,8 +123,8 @@ static struct ksmbd_crypto_ctx *ksmbd_find_crypto_ctx(void)
spin_lock(&ctx_list.ctx_lock);
if (!list_empty(&ctx_list.idle_ctx)) {
ctx = list_entry(ctx_list.idle_ctx.next,
struct ksmbd_crypto_ctx,
list);
struct ksmbd_crypto_ctx,
list);
list_del(&ctx->list);
spin_unlock(&ctx_list.ctx_lock);
return ctx;

3
fs/cifsd/crypto_ctx.h
View file

@ -59,7 +59,6 @@ struct ksmbd_crypto_ctx {
#define CRYPTO_CCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_CCM])
void ksmbd_release_crypto_ctx(struct ksmbd_crypto_ctx *ctx);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacmd5(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacsha256(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_cmacaes(void);
@ -67,10 +66,8 @@ struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha512(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha256(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_md4(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_md5(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void);
struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void);
void ksmbd_crypto_destroy(void);
int ksmbd_crypto_create(void);

8
fs/cifsd/ksmbd_work.c
View file

@ -39,13 +39,13 @@ void ksmbd_free_work_struct(struct ksmbd_work *work)
{
WARN_ON(work->saved_cred != NULL);
if (server_conf.flags & KSMBD_GLOBAL_FLAG_CACHE_TBUF &&
work->set_trans_buf)
work->set_trans_buf)
ksmbd_release_buffer(work->response_buf);
else
kvfree(work->response_buf);
if (server_conf.flags & KSMBD_GLOBAL_FLAG_CACHE_RBUF &&
work->set_read_buf)
work->set_read_buf)
ksmbd_release_buffer(work->aux_payload_buf);
else
kvfree(work->aux_payload_buf);
@ -65,8 +65,8 @@ void ksmbd_work_pool_destroy(void)
int ksmbd_work_pool_init(void)
{
work_cache = kmem_cache_create("ksmbd_work_cache",
sizeof(struct ksmbd_work), 0,
SLAB_HWCACHE_ALIGN, NULL);
sizeof(struct ksmbd_work), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!work_cache)
return -ENOMEM;
return 0;

12
fs/cifsd/misc.c
View file

@ -135,7 +135,7 @@ int parse_stream_name(char *filename, char **stream_name, int *s_type)
}
ksmbd_debug(SMB, "stream name : %s, stream type : %s\n", s_name,
stream_type);
stream_type);
if (!strncasecmp("$data", stream_type, 5))
*s_type = DATA_STREAM;
else if (!strncasecmp("$index_allocation", stream_type, 17))
@ -267,7 +267,8 @@ char *convert_to_unix_name(struct ksmbd_share_config *share, char *name)
}
char *ksmbd_convert_dir_info_name(struct ksmbd_dir_info *d_info,
const struct nls_table *local_nls, int *conv_len)
const struct nls_table *local_nls,
int *conv_len)
{
char *conv;
int sz = min(4 * d_info->name_len, PATH_MAX);
@ -280,11 +281,8 @@ char *ksmbd_convert_dir_info_name(struct ksmbd_dir_info *d_info,
return NULL;
/* XXX */
*conv_len = smbConvertToUTF16((__le16 *)conv,
d_info->name,
d_info->name_len,
local_nls,
0);
*conv_len = smbConvertToUTF16((__le16 *)conv, d_info->name,
d_info->name_len, local_nls, 0);
*conv_len *= 2;
/* We allocate buffer twice bigger than needed. */

9
fs/cifsd/misc.h
View file

@ -12,32 +12,23 @@ struct kstat;
struct ksmbd_file;
int match_pattern(const char *str, size_t len, const char *pattern);
int ksmbd_validate_filename(char *filename);
int parse_stream_name(char *filename, char **stream_name, int *s_type);
char *convert_to_nt_pathname(char *filename, char *sharepath);
int get_nlink(struct kstat *st);
void ksmbd_conv_path_to_unix(char *path);
void ksmbd_strip_last_slash(char *path);
void ksmbd_conv_path_to_windows(char *path);
char *ksmbd_extract_sharename(char *treename);
char *convert_to_unix_name(struct ksmbd_share_config *share, char *name);
#define KSMBD_DIR_INFO_ALIGNMENT 8
struct ksmbd_dir_info;
char *ksmbd_convert_dir_info_name(struct ksmbd_dir_info *d_info,
const struct nls_table *local_nls,
int *conv_len);
#define NTFS_TIME_OFFSET ((u64)(369 * 365 + 89) * 24 * 3600 * 10000000)
struct timespec64 ksmbd_NTtimeToUnix(__le64 ntutc);
u64 ksmbd_UnixTimeToNT(struct timespec64 t);
long long ksmbd_systime(void);

7
fs/cifsd/ndr.c
View file

@ -185,7 +185,7 @@ int ndr_decode_dos_attr(struct ndr *n, struct xattr_dos_attrib *da)
version2 = ndr_read_int32(n);
if (da->version != version2) {
ksmbd_err("ndr version mismatched(version: %d, version2: %d)\n",
da->version, version2);
da->version, version2);
return -EINVAL;
}
@ -235,7 +235,8 @@ static int ndr_encode_posix_acl_entry(struct ndr *n, struct xattr_smb_acl *acl)
}
int ndr_encode_posix_acl(struct ndr *n, struct inode *inode,
struct xattr_smb_acl *acl, struct xattr_smb_acl *def_acl)
struct xattr_smb_acl *acl,
struct xattr_smb_acl *def_acl)
{
int ref_id = 0x00020000;
@ -315,7 +316,7 @@ int ndr_decode_v4_ntacl(struct ndr *n, struct xattr_ntacl *acl)
version2 = ndr_read_int32(n);
if (acl->version != version2) {
ksmbd_err("ndr version mismatched(version: %d, version2: %d)\n",
acl->version, version2);
acl->version, version2);
return -EINVAL;
}

3
fs/cifsd/ndr.h
View file

@ -15,7 +15,8 @@ struct ndr {
int ndr_encode_dos_attr(struct ndr *n, struct xattr_dos_attrib *da);
int ndr_decode_dos_attr(struct ndr *n, struct xattr_dos_attrib *da);
int ndr_encode_posix_acl(struct ndr *n, struct inode *inode,
struct xattr_smb_acl *acl, struct xattr_smb_acl *def_acl);
struct xattr_smb_acl *acl,
struct xattr_smb_acl *def_acl);
int ndr_encode_v4_ntacl(struct ndr *n, struct xattr_ntacl *acl);
int ndr_encode_v3_ntacl(struct ndr *n, struct xattr_ntacl *acl);
int ndr_decode_v4_ntacl(struct ndr *n, struct xattr_ntacl *acl);

108
fs/cifsd/oplock.c
View file

@ -29,7 +29,7 @@ static DEFINE_RWLOCK(lease_list_lock);
* Return: allocated opinfo object on success, otherwise NULL
*/
static struct oplock_info *alloc_opinfo(struct ksmbd_work *work,
u64 id, __u16 Tid)
u64 id, __u16 Tid)
{
struct ksmbd_session *sess = work->sess;
struct oplock_info *opinfo;
@ -153,7 +153,7 @@ static struct oplock_info *opinfo_get_list(struct ksmbd_inode *ci)
rcu_read_lock();
opinfo = list_first_or_null_rcu(&ci->m_op_list, struct oplock_info,
op_entry);
op_entry);
if (opinfo && !atomic_inc_not_zero(&opinfo->refcount))
opinfo = NULL;
rcu_read_unlock();
@ -269,8 +269,7 @@ int opinfo_write_to_none(struct oplock_info *opinfo)
opinfo->level == SMB2_OPLOCK_LEVEL_EXCLUSIVE)) {
ksmbd_err("bad oplock(0x%x)\n", opinfo->level);
if (opinfo->is_lease)
ksmbd_err("lease state(0x%x)\n",
lease->state);
ksmbd_err("lease state(0x%x)\n", lease->state);
return -EINVAL;
}
opinfo->level = SMB2_OPLOCK_LEVEL_NONE;
@ -312,8 +311,7 @@ int lease_read_to_write(struct oplock_info *opinfo)
struct lease *lease = opinfo->o_lease;
if (!(lease->state & SMB2_LEASE_READ_CACHING_LE)) {
ksmbd_debug(OPLOCK, "bad lease state(0x%x)\n",
lease->state);
ksmbd_debug(OPLOCK, "bad lease state(0x%x)\n", lease->state);
return -EINVAL;
}
@ -338,8 +336,7 @@ static int lease_none_upgrade(struct oplock_info *opinfo, __le32 new_state)
struct lease *lease = opinfo->o_lease;
if (!(lease->state == SMB2_LEASE_NONE_LE)) {
ksmbd_debug(OPLOCK, "bad lease state(0x%x)\n",
lease->state);
ksmbd_debug(OPLOCK, "bad lease state(0x%x)\n", lease->state);
return -EINVAL;
}
@ -399,7 +396,7 @@ void close_id_del_oplock(struct ksmbd_file *fp)
* Return: 0
*/
static void grant_write_oplock(struct oplock_info *opinfo_new, int req_oplock,
struct lease_ctx_info *lctx)
struct lease_ctx_info *lctx)
{
struct lease *lease = opinfo_new->o_lease;
@ -410,8 +407,7 @@ static void grant_write_oplock(struct oplock_info *opinfo_new, int req_oplock,
if (lctx) {
lease->state = lctx->req_state;
memcpy(lease->lease_key, lctx->lease_key,
SMB2_LEASE_KEY_SIZE);
memcpy(lease->lease_key, lctx->lease_key, SMB2_LEASE_KEY_SIZE);
}
}
@ -423,7 +419,7 @@ static void grant_write_oplock(struct oplock_info *opinfo_new, int req_oplock,
* Return: 0
*/
static void grant_read_oplock(struct oplock_info *opinfo_new,
struct lease_ctx_info *lctx)
struct lease_ctx_info *lctx)
{
struct lease *lease = opinfo_new->o_lease;
@ -433,8 +429,7 @@ static void grant_read_oplock(struct oplock_info *opinfo_new,
lease->state = SMB2_LEASE_READ_CACHING_LE;
if (lctx->req_state & SMB2_LEASE_HANDLE_CACHING_LE)
lease->state |= SMB2_LEASE_HANDLE_CACHING_LE;
memcpy(lease->lease_key, lctx->lease_key,
SMB2_LEASE_KEY_SIZE);
memcpy(lease->lease_key, lctx->lease_key, SMB2_LEASE_KEY_SIZE);
}
}
@ -446,7 +441,7 @@ static void grant_read_oplock(struct oplock_info *opinfo_new,
* Return: 0
*/
static void grant_none_oplock(struct oplock_info *opinfo_new,
struct lease_ctx_info *lctx)
struct lease_ctx_info *lctx)
{
struct lease *lease = opinfo_new->o_lease;
@ -454,13 +449,12 @@ static void grant_none_oplock(struct oplock_info *opinfo_new,
if (lctx) {
lease->state = 0;
memcpy(lease->lease_key, lctx->lease_key,
SMB2_LEASE_KEY_SIZE);
memcpy(lease->lease_key, lctx->lease_key, SMB2_LEASE_KEY_SIZE);
}
}
static inline int compare_guid_key(struct oplock_info *opinfo,
const char *guid1, const char *key1)
const char *guid1, const char *key1)
{
const char *guid2, *key2;
@ -483,7 +477,8 @@ static inline int compare_guid_key(struct oplock_info *opinfo,
* Return: oplock(lease) object on success, otherwise NULL
*/
static struct oplock_info *same_client_has_lease(struct ksmbd_inode *ci,
char *client_guid, struct lease_ctx_info *lctx)
char *client_guid,
struct lease_ctx_info *lctx)
{
int ret;
struct lease *lease;
@ -517,7 +512,7 @@ static struct oplock_info *same_client_has_lease(struct ksmbd_inode *ci,
if ((atomic_read(&ci->op_count) +
atomic_read(&ci->sop_count)) == 1) {
if (lease->state ==
(lctx->req_state & lease->state)) {
(lctx->req_state & lease->state)) {
lease->state |= lctx->req_state;
if (lctx->req_state &
SMB2_LEASE_WRITE_CACHING_LE)
@ -526,13 +521,13 @@ static struct oplock_info *same_client_has_lease(struct ksmbd_inode *ci,
} else if ((atomic_read(&ci->op_count) +
atomic_read(&ci->sop_count)) > 1) {
if (lctx->req_state ==
(SMB2_LEASE_READ_CACHING_LE |
SMB2_LEASE_HANDLE_CACHING_LE))
(SMB2_LEASE_READ_CACHING_LE |
SMB2_LEASE_HANDLE_CACHING_LE))
lease->state = lctx->req_state;
}
if (lctx->req_state && lease->state ==
SMB2_LEASE_NONE_LE)
SMB2_LEASE_NONE_LE)
lease_none_upgrade(opinfo, lctx->req_state);
}
read_lock(&ci->m_lock);
@ -547,9 +542,9 @@ static void wait_for_break_ack(struct oplock_info *opinfo)
int rc = 0;
rc = wait_event_interruptible_timeout(opinfo->oplock_q,
opinfo->op_state == OPLOCK_STATE_NONE ||
opinfo->op_state == OPLOCK_CLOSING,
OPLOCK_WAIT_TIME);
opinfo->op_state == OPLOCK_STATE_NONE ||
opinfo->op_state == OPLOCK_CLOSING,
OPLOCK_WAIT_TIME);
/* is this a timeout ? */
if (!rc) {
@ -664,8 +659,8 @@ static void __smb2_oplock_break_noti(struct work_struct *wk)
inc_rfc1001_len(rsp, 24);
ksmbd_debug(OPLOCK,
"sending oplock break v_id %llu p_id = %llu lock level = %d\n",
rsp->VolatileFid, rsp->PersistentFid, rsp->OplockLevel);
"sending oplock break v_id %llu p_id = %llu lock level = %d\n",
rsp->VolatileFid, rsp->PersistentFid, rsp->OplockLevel);
ksmbd_fd_put(work, fp);
ksmbd_conn_write(work);
@ -815,7 +810,7 @@ static int smb2_lease_break_noti(struct oplock_info *opinfo)
struct ksmbd_work *in_work;
in_work = list_entry(tmp, struct ksmbd_work,
interim_entry);
interim_entry);
setup_async_work(in_work, NULL, NULL);
smb2_send_interim_resp(in_work, STATUS_PENDING);
list_del(&in_work->interim_entry);
@ -843,7 +838,8 @@ static void wait_lease_breaking(struct oplock_info *opinfo)
int ret = 0;
ret = wait_event_interruptible_timeout(opinfo->oplock_brk,
atomic_read(&opinfo->breaking_cnt) == 0, HZ);
atomic_read(&opinfo->breaking_cnt) == 0,
HZ);
if (!ret)
atomic_set(&opinfo->breaking_cnt, 0);
}
@ -855,8 +851,8 @@ static int oplock_break(struct oplock_info *brk_opinfo, int req_op_level)
/* Need to break exclusive/batch oplock, write lease or overwrite_if */
ksmbd_debug(OPLOCK,
"request to send oplock(level : 0x%x) break notification\n",
brk_opinfo->level);
"request to send oplock(level : 0x%x) break notification\n",
brk_opinfo->level);
if (brk_opinfo->is_lease) {
struct lease *lease = brk_opinfo->o_lease;
@ -939,7 +935,7 @@ void destroy_lease_table(struct ksmbd_conn *conn)
again:
rcu_read_lock();
list_for_each_entry_rcu(opinfo, &lb->lease_list,
lease_entry) {
lease_entry) {
rcu_read_unlock();
lease_del_list(opinfo);
goto again;
@ -952,7 +948,7 @@ void destroy_lease_table(struct ksmbd_conn *conn)
}
int find_same_lease_key(struct ksmbd_session *sess, struct ksmbd_inode *ci,
struct lease_ctx_info *lctx)
struct lease_ctx_info *lctx)
{
struct oplock_info *opinfo;
int err = 0;
@ -978,20 +974,18 @@ int find_same_lease_key(struct ksmbd_session *sess, struct ksmbd_inode *ci,
found:
rcu_read_lock();
list_for_each_entry_rcu(opinfo, &lb->lease_list,
lease_entry) {
list_for_each_entry_rcu(opinfo, &lb->lease_list, lease_entry) {
if (!atomic_inc_not_zero(&opinfo->refcount))
continue;
rcu_read_unlock();
if (opinfo->o_fp->f_ci == ci)
goto op_next;
err = compare_guid_key(opinfo,
sess->conn->ClientGUID,
lctx->lease_key);
err = compare_guid_key(opinfo, sess->conn->ClientGUID,
lctx->lease_key);
if (err) {
err = -EINVAL;
ksmbd_debug(OPLOCK,
"found same lease key is already used in other files\n");
"found same lease key is already used in other files\n");
opinfo_put(opinfo);
goto out;
}
@ -1014,7 +1008,7 @@ static void copy_lease(struct oplock_info *op1, struct oplock_info *op2)
op2->level = op1->level;
lease2->state = lease1->state;
memcpy(lease2->lease_key, lease1->lease_key,
SMB2_LEASE_KEY_SIZE);
SMB2_LEASE_KEY_SIZE);
lease2->duration = lease1->duration;
lease2->flags = lease1->flags;
}
@ -1040,7 +1034,7 @@ static int add_lease_global_list(struct oplock_info *opinfo)
return -ENOMEM;
memcpy(lb->client_guid, opinfo->conn->ClientGUID,
SMB2_CLIENT_GUID_SIZE);
SMB2_CLIENT_GUID_SIZE);
INIT_LIST_HEAD(&lb->lease_list);
spin_lock_init(&lb->lb_lock);
opinfo->o_lease->l_lb = lb;
@ -1050,7 +1044,7 @@ static int add_lease_global_list(struct oplock_info *opinfo)
}
static void set_oplock_level(struct oplock_info *opinfo, int level,
struct lease_ctx_info *lctx)
struct lease_ctx_info *lctx)
{
switch (level) {
case SMB2_OPLOCK_LEVEL_BATCH:
@ -1079,8 +1073,8 @@ static void set_oplock_level(struct oplock_info *opinfo, int level,
* Return: 0 on success, otherwise error
*/
int smb_grant_oplock(struct ksmbd_work *work, int req_op_level, u64 pid,
struct ksmbd_file *fp, __u16 tid, struct lease_ctx_info *lctx,
int share_ret)
struct ksmbd_file *fp, __u16 tid,
struct lease_ctx_info *lctx, int share_ret)
{
struct ksmbd_session *sess = work->sess;
int err = 0;
@ -1122,7 +1116,7 @@ int smb_grant_oplock(struct ksmbd_work *work, int req_op_level, u64 pid,
/* is lease already granted ? */
m_opinfo = same_client_has_lease(ci, sess->conn->ClientGUID,
lctx);
lctx);
if (m_opinfo) {
copy_lease(m_opinfo, opinfo);
if (atomic_read(&m_opinfo->breaking_cnt))
@ -1208,7 +1202,7 @@ int smb_grant_oplock(struct ksmbd_work *work, int req_op_level, u64 pid,
* @is_trunc: truncate on open
*/
static void smb_break_all_write_oplock(struct ksmbd_work *work,
struct ksmbd_file *fp, int is_trunc)
struct ksmbd_file *fp, int is_trunc)
{
struct oplock_info *brk_opinfo;
@ -1235,7 +1229,7 @@ static void smb_break_all_write_oplock(struct ksmbd_work *work,
* @is_trunc: truncate on open
*/
void smb_break_all_levII_oplock(struct ksmbd_work *work, struct ksmbd_file *fp,
int is_trunc)
int is_trunc)
{
struct oplock_info *op, *brk_op;
struct ksmbd_inode *ci;
@ -1257,18 +1251,18 @@ void smb_break_all_levII_oplock(struct ksmbd_work *work, struct ksmbd_file *fp,
(~(SMB2_LEASE_READ_CACHING_LE |
SMB2_LEASE_HANDLE_CACHING_LE)))) {
ksmbd_debug(OPLOCK, "unexpected lease state(0x%x)\n",
brk_op->o_lease->state);
brk_op->o_lease->state);
goto next;
} else if (brk_op->level !=
SMB2_OPLOCK_LEVEL_II) {
ksmbd_debug(OPLOCK, "unexpected oplock(0x%x)\n",
brk_op->level);
brk_op->level);
goto next;
}
/* Skip oplock being break to none */
if (brk_op->is_lease && (brk_op->o_lease->new_state ==
SMB2_LEASE_NONE_LE) &&
if (brk_op->is_lease &&
(brk_op->o_lease->new_state == SMB2_LEASE_NONE_LE) &&
atomic_read(&brk_op->breaking_cnt))
goto next;
@ -1573,9 +1567,9 @@ void create_posix_rsp_buf(char *cc, struct ksmbd_file *fp)
buf->reparse_tag = cpu_to_le32(fp->volatile_id);
buf->mode = cpu_to_le32(inode->i_mode);
id_to_sid(from_kuid(&init_user_ns, inode->i_uid),
SIDNFS_USER, (struct smb_sid *)&buf->SidBuffer[0]);
SIDNFS_USER, (struct smb_sid *)&buf->SidBuffer[0]);
id_to_sid(from_kgid(&init_user_ns, inode->i_gid),
SIDNFS_GROUP, (struct smb_sid *)&buf->SidBuffer[20]);
SIDNFS_GROUP, (struct smb_sid *)&buf->SidBuffer[20]);
}
/*
@ -1590,7 +1584,7 @@ void create_posix_rsp_buf(char *cc, struct ksmbd_file *fp)
* Return: opinfo if found matching opinfo, otherwise NULL
*/
struct oplock_info *lookup_lease_in_table(struct ksmbd_conn *conn,
char *lease_key)
char *lease_key)
{
struct oplock_info *opinfo = NULL, *ret_op = NULL;
struct lease_table *lt;
@ -1619,7 +1613,7 @@ struct oplock_info *lookup_lease_in_table(struct ksmbd_conn *conn,
SMB2_LEASE_WRITE_CACHING_LE)))
goto op_next;
ret = compare_guid_key(opinfo, conn->ClientGUID,
lease_key);
lease_key);
if (ret) {
ksmbd_debug(OPLOCK, "found opinfo\n");
ret_op = opinfo;
@ -1637,7 +1631,7 @@ struct oplock_info *lookup_lease_in_table(struct ksmbd_conn *conn,
}
int smb2_check_durable_oplock(struct ksmbd_file *fp,
struct lease_ctx_info *lctx, char *name)
struct lease_ctx_info *lctx, char *name)
{
struct oplock_info *opinfo = opinfo_get(fp);
int ret = 0;

13
fs/cifsd/oplock.h
View file

@ -96,11 +96,10 @@ struct oplock_break_info {
};
int smb_grant_oplock(struct ksmbd_work *work, int req_op_level,
u64 pid, struct ksmbd_file *fp, __u16 tid,
struct lease_ctx_info *lctx, int share_ret);
u64 pid, struct ksmbd_file *fp, __u16 tid,
struct lease_ctx_info *lctx, int share_ret);
void smb_break_all_levII_oplock(struct ksmbd_work *work,
struct ksmbd_file *fp, int is_trunc);
struct ksmbd_file *fp, int is_trunc);
int opinfo_write_to_read(struct oplock_info *opinfo);
int opinfo_read_handle_to_read(struct oplock_info *opinfo);
int opinfo_write_to_none(struct oplock_info *opinfo);
@ -124,10 +123,10 @@ void create_disk_id_rsp_buf(char *cc, __u64 file_id, __u64 vol_id);
void create_posix_rsp_buf(char *cc, struct ksmbd_file *fp);
struct create_context *smb2_find_context_vals(void *open_req, const char *str);
struct oplock_info *lookup_lease_in_table(struct ksmbd_conn *conn,
char *lease_key);
char *lease_key);
int find_same_lease_key(struct ksmbd_session *sess, struct ksmbd_inode *ci,
struct lease_ctx_info *lctx);
struct lease_ctx_info *lctx);
void destroy_lease_table(struct ksmbd_conn *conn);
int smb2_check_durable_oplock(struct ksmbd_file *fp,
struct lease_ctx_info *lctx, char *name);
struct lease_ctx_info *lctx, char *name);
#endif /* __KSMBD_OPLOCK_H */

32
fs/cifsd/server.c
View file

@ -106,7 +106,7 @@ static inline int check_conn_state(struct ksmbd_work *work)
#define TCP_HANDLER_ABORT 1
static int __process_request(struct ksmbd_work *work, struct ksmbd_conn *conn,
uint16_t *cmd)
uint16_t *cmd)
{
struct smb_version_cmds *cmds;
uint16_t command;
@ -159,7 +159,7 @@ static int __process_request(struct ksmbd_work *work, struct ksmbd_conn *conn,
}
static void __handle_ksmbd_work(struct ksmbd_work *work,
struct ksmbd_conn *conn)
struct ksmbd_conn *conn)
{
u16 command = 0;
int rc;
@ -222,8 +222,8 @@ static void __handle_ksmbd_work(struct ksmbd_work *work,
}
}
if (work->sess && (work->sess->sign ||
smb3_11_final_sess_setup_resp(work) ||
if (work->sess &&
(work->sess->sign || smb3_11_final_sess_setup_resp(work) ||
conn->ops->is_sign_req(work, command)))
conn->ops->set_sign_rsp(work);
} while (is_chained_smb2_message(work));
@ -416,7 +416,7 @@ int server_queue_ctrl_reset_work(void)
}
static ssize_t stats_show(struct class *class, struct class_attribute *attr,
char *buf)
char *buf)
{
/*
* Inc this each time you change stats output format,
@ -430,19 +430,15 @@ static ssize_t stats_show(struct class *class, struct class_attribute *attr,
"shutdown"
};
ssize_t sz = scnprintf(buf,
PAGE_SIZE,
"%d %s %d %lu\n",
stats_version,
state[server_conf.state],
server_conf.tcp_port,
server_conf.ipc_last_active / HZ);
ssize_t sz = scnprintf(buf, PAGE_SIZE, "%d %s %d %lu\n", stats_version,
state[server_conf.state], server_conf.tcp_port,
server_conf.ipc_last_active / HZ);
return sz;
}
static ssize_t kill_server_store(struct class *class,
struct class_attribute *attr, const char *buf,
size_t len)
struct class_attribute *attr, const char *buf,
size_t len)
{
if (!sysfs_streq(buf, "hard"))
return len;
@ -458,11 +454,11 @@ static ssize_t kill_server_store(struct class *class,
}
static const char * const debug_type_strings[] = {"smb", "auth", "vfs",
"oplock", "ipc", "conn",
"rdma"};
"oplock", "ipc", "conn",
"rdma"};
static ssize_t debug_show(struct class *class, struct class_attribute *attr,
char *buf)
char *buf)
{
ssize_t sz = 0;
int i, pos = 0;
@ -486,7 +482,7 @@ static ssize_t debug_show(struct class *class, struct class_attribute *attr,
}
static ssize_t debug_store(struct class *class, struct class_attribute *attr,
const char *buf, size_t len)
const char *buf, size_t len)
{
int i;

42
fs/cifsd/smb2misc.c
View file

@ -178,19 +178,19 @@ static char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr)
*/
if (*off > 4096) {
ksmbd_debug(SMB, "offset %d too large, data area ignored\n",
*off);
*off);
*len = 0;
*off = 0;
} else if (*off < 0) {
ksmbd_debug(SMB,
"negative offset %d to data invalid ignore data area\n",
*off);
"negative offset %d to data invalid ignore data area\n",
*off);
*off = 0;
*len = 0;
} else if (*len < 0) {
ksmbd_debug(SMB,
"negative data length %d invalid, data area ignored\n",
*len);
"negative data length %d invalid, data area ignored\n",
*len);
*len = 0;
} else if (*len > 128 * 1024) {
ksmbd_debug(SMB, "data area larger than 128K: %d\n", *len);
@ -228,7 +228,7 @@ static unsigned int smb2_calc_size(void *buf)
smb2_get_data_area_len(&offset, &data_length, hdr);
ksmbd_debug(SMB, "SMB2 data length %d offset %d\n", data_length,
offset);
offset);
if (data_length > 0) {
/*
@ -239,8 +239,8 @@ static unsigned int smb2_calc_size(void *buf)
*/
if (offset + 1 < len)
ksmbd_debug(SMB,
"data area offset %d overlaps SMB2 header %d\n",
offset + 1, len);
"data area offset %d overlaps SMB2 header %d\n",
offset + 1, len);
else
len = offset + data_length;
}
@ -321,11 +321,11 @@ static int smb2_validate_credit_charge(struct smb2_hdr *hdr)
calc_credit_num = DIV_ROUND_UP(max_len, SMB2_MAX_BUFFER_SIZE);
if (!credit_charge && max_len > SMB2_MAX_BUFFER_SIZE) {
ksmbd_err("credit charge is zero and payload size(%d) is bigger than 64K\n",
max_len);
max_len);
return 1;
} else if (credit_charge < calc_credit_num) {
ksmbd_err("credit charge : %d, calc_credit_num : %d\n",
credit_charge, calc_credit_num);
credit_charge, calc_credit_num);
return 1;
}
@ -357,7 +357,7 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
if (hdr->StructureSize != SMB2_HEADER_STRUCTURE_SIZE) {
ksmbd_debug(SMB, "Illegal structure size %u\n",
le16_to_cpu(hdr->StructureSize));
le16_to_cpu(hdr->StructureSize));
return 1;
}
@ -372,8 +372,8 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
(hdr->Status == 0 || pdu->StructureSize2 != SMB2_ERROR_STRUCTURE_SIZE2_LE)) {
/* error packets have 9 byte structure size */
ksmbd_debug(SMB,
"Illegal request size %u for command %d\n",
le16_to_cpu(pdu->StructureSize2), command);
"Illegal request size %u for command %d\n",
le16_to_cpu(pdu->StructureSize2), command);
return 1;
} else if (command == SMB2_OPLOCK_BREAK_HE &&
hdr->Status == 0 &&
@ -381,8 +381,8 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
le16_to_cpu(pdu->StructureSize2) != OP_BREAK_STRUCT_SIZE_21) {
/* special case for SMB2.1 lease break message */
ksmbd_debug(SMB,
"Illegal request size %d for oplock break\n",
le16_to_cpu(pdu->StructureSize2));
"Illegal request size %d for oplock break\n",
le16_to_cpu(pdu->StructureSize2));
return 1;
}
}
@ -408,9 +408,9 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
*/
if (clc_len < len) {
ksmbd_debug(SMB,
"cli req padded more than expected. Length %d not %d for cmd:%d mid:%llu\n",
len, clc_len, command,
le64_to_cpu(hdr->MessageId));
"cli req padded more than expected. Length %d not %d for cmd:%d mid:%llu\n",
len, clc_len, command,
le64_to_cpu(hdr->MessageId));
return 0;
}
@ -418,9 +418,9 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
return 0;
ksmbd_debug(SMB,
"cli req too short, len %d not %d. cmd:%d mid:%llu\n",
len, clc_len, command,
le64_to_cpu(hdr->MessageId));
"cli req too short, len %d not %d. cmd:%d mid:%llu\n",
len, clc_len, command,
le64_to_cpu(hdr->MessageId));
return 1;
}

707
fs/cifsd/smb2pdu.c
View file

File diff suppressed because it is too large Load diff

37
fs/cifsd/smb_common.c
View file

@ -98,7 +98,7 @@ int ksmbd_lookup_protocol_idx(char *str)
while (offt >= 0) {
if (!strncmp(str, smb_protos[offt].prot, len)) {
ksmbd_debug(SMB, "selected %s dialect idx = %d\n",
smb_protos[offt].prot, offt);
smb_protos[offt].prot, offt);
return smb_protos[offt].index;
}
offt--;
@ -156,7 +156,7 @@ static bool supported_protocol(int idx)
return true;
return (server_conf.min_protocol <= idx &&
idx <= server_conf.max_protocol);
idx <= server_conf.max_protocol);
}
static char *next_dialect(char *dialect, int *next_off)
@ -179,12 +179,12 @@ static int ksmbd_lookup_dialect_by_name(char *cli_dialects, __le16 byte_count)
do {
dialect = next_dialect(dialect, &next);
ksmbd_debug(SMB, "client requested dialect %s\n",
dialect);
dialect);
if (!strcmp(dialect, smb_protos[i].name)) {
if (supported_protocol(smb_protos[i].index)) {
ksmbd_debug(SMB,
"selected %s dialect\n",
smb_protos[i].name);
"selected %s dialect\n",
smb_protos[i].name);
if (smb_protos[i].index == SMB1_PROT)
return seq_num;
return smb_protos[i].prot_id;
@ -207,14 +207,14 @@ int ksmbd_lookup_dialect_by_id(__le16 *cli_dialects, __le16 dialects_count)
count = le16_to_cpu(dialects_count);
while (--count >= 0) {
ksmbd_debug(SMB, "client requested dialect 0x%x\n",
le16_to_cpu(cli_dialects[count]));
le16_to_cpu(cli_dialects[count]));
if (le16_to_cpu(cli_dialects[count]) !=
smb_protos[i].prot_id)
continue;
if (supported_protocol(smb_protos[i].index)) {
ksmbd_debug(SMB, "selected %s dialect\n",
smb_protos[i].name);
smb_protos[i].name);
return smb_protos[i].prot_id;
}
}
@ -269,9 +269,12 @@ bool ksmbd_pdu_size_has_room(unsigned int pdu)
}
int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
struct ksmbd_file *dir, struct ksmbd_dir_info *d_info,
char *search_pattern, int (*fn)(struct ksmbd_conn *, int,
struct ksmbd_dir_info *, struct ksmbd_kstat *))
struct ksmbd_file *dir,
struct ksmbd_dir_info *d_info,
char *search_pattern,
int (*fn)(struct ksmbd_conn *, int,
struct ksmbd_dir_info *,
struct ksmbd_kstat *))
{
int i, rc = 0;
struct ksmbd_conn *conn = work->conn;
@ -297,8 +300,8 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
ksmbd_kstat.kstat = &kstat;
ksmbd_vfs_fill_dentry_attrs(work,
dir->filp->f_path.dentry->d_parent,
&ksmbd_kstat);
dir->filp->f_path.dentry->d_parent,
&ksmbd_kstat);
rc = fn(conn, info_level, d_info, &ksmbd_kstat);
if (rc)
break;
@ -327,7 +330,7 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
* but the result is different with Windows 7's one. need to check.
*/
int ksmbd_extract_shortname(struct ksmbd_conn *conn, const char *longname,
char *shortname)
char *shortname)
{
const char *p;
char base[9], extension[4];
@ -390,7 +393,7 @@ int ksmbd_extract_shortname(struct ksmbd_conn *conn, const char *longname,
else
out[baselen + 4] = '\0';
smbConvertToUTF16((__le16 *)shortname, out, PATH_MAX,
conn->local_nls, 0);
conn->local_nls, 0);
len = strlen(out) * 2;
return len;
}
@ -398,7 +401,7 @@ int ksmbd_extract_shortname(struct ksmbd_conn *conn, const char *longname,
static int __smb2_negotiate(struct ksmbd_conn *conn)
{
return (conn->dialect >= SMB20_PROT_ID &&
conn->dialect <= SMB311_PROT_ID);
conn->dialect <= SMB311_PROT_ID);
}
static int smb_handle_negotiate(struct ksmbd_work *work)
@ -467,11 +470,11 @@ static const char * const shared_mode_errors[] = {
};
static void smb_shared_mode_error(int error, struct ksmbd_file *prev_fp,
struct ksmbd_file *curr_fp)
struct ksmbd_file *curr_fp)
{
ksmbd_debug(SMB, "%s\n", shared_mode_errors[error]);
ksmbd_debug(SMB, "Current mode: 0x%x Desired mode: 0x%x\n",
prev_fp->saccess, curr_fp->daccess);
prev_fp->saccess, curr_fp->daccess);
}
int ksmbd_smb_check_shared_mode(struct file *filp, struct ksmbd_file *curr_fp)

106
fs/cifsd/smbacl.c
View file

@ -131,7 +131,7 @@ static void smb_copy_sid(struct smb_sid *dst, const struct smb_sid *src)
* bits to set can be: S_IRWXU, S_IRWXG or S_IRWXO ie 00700 or 00070 or 00007
*/
static umode_t access_flags_to_mode(struct smb_fattr *fattr, __le32 ace_flags,
int type)
int type)
{
__u32 flags = le32_to_cpu(ace_flags);
umode_t mode = 0;
@ -166,7 +166,7 @@ static umode_t access_flags_to_mode(struct smb_fattr *fattr, __le32 ace_flags,
* with either owner or group or everyone.
*/
static void mode_to_access_flags(umode_t mode, umode_t bits_to_use,
__u32 *pace_flags)
__u32 *pace_flags)
{
/* reset access mask */
*pace_flags = 0x0;
@ -187,12 +187,12 @@ static void mode_to_access_flags(umode_t mode, umode_t bits_to_use,
*pace_flags |= SET_FILE_EXEC_RIGHTS;
ksmbd_debug(SMB, "mode: %o, access flags now 0x%x\n",
mode, *pace_flags);
mode, *pace_flags);
}
static __u16 fill_ace_for_sid(struct smb_ace *pntace,
const struct smb_sid *psid, int type, int flags,
umode_t mode, umode_t bits)
const struct smb_sid *psid, int type, int flags,
umode_t mode, umode_t bits)
{
int i;
__u16 size = 0;
@ -255,7 +255,7 @@ void id_to_sid(unsigned int cid, uint sidtype, struct smb_sid *ssid)
}
static int sid_to_id(struct smb_sid *psid, uint sidtype,
struct smb_fattr *fattr)
struct smb_fattr *fattr)
{
int rc = -EINVAL;
@ -265,7 +265,7 @@ static int sid_to_id(struct smb_sid *psid, uint sidtype,
*/
if (unlikely(psid->num_subauth > SID_MAX_SUB_AUTHORITIES)) {
ksmbd_err("%s: %u subauthorities is too many!\n",
__func__, psid->num_subauth);
__func__, psid->num_subauth);
return -EIO;
}
@ -299,7 +299,7 @@ static int sid_to_id(struct smb_sid *psid, uint sidtype,
}
void posix_state_to_acl(struct posix_acl_state *state,
struct posix_acl_entry *pace)
struct posix_acl_entry *pace)
{
int i;
@ -364,8 +364,8 @@ void free_acl_state(struct posix_acl_state *state)
}
static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
struct smb_sid *pownersid, struct smb_sid *pgrpsid,
struct smb_fattr *fattr)
struct smb_sid *pownersid, struct smb_sid *pgrpsid,
struct smb_fattr *fattr)
{
int i, ret;
int num_aces = 0;
@ -388,8 +388,8 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
}
ksmbd_debug(SMB, "DACL revision %d size %d num aces %d\n",
le16_to_cpu(pdacl->revision), le16_to_cpu(pdacl->size),
le32_to_cpu(pdacl->num_aces));
le16_to_cpu(pdacl->revision), le16_to_cpu(pdacl->size),
le32_to_cpu(pdacl->num_aces));
acl_base = (char *)pdacl;
acl_size = sizeof(struct smb_acl);
@ -401,8 +401,7 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
if (num_aces > ULONG_MAX / sizeof(struct smb_ace *))
return;
ppace = kmalloc_array(num_aces, sizeof(struct smb_ace *),
GFP_KERNEL);
ppace = kmalloc_array(num_aces, sizeof(struct smb_ace *), GFP_KERNEL);
if (!ppace)
return;
@ -433,7 +432,8 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
break;
} else if (!compare_sids(&ppace[i]->sid, pownersid)) {
acl_mode = access_flags_to_mode(fattr,
ppace[i]->access_req, ppace[i]->type);
ppace[i]->access_req,
ppace[i]->type);
acl_mode &= 0700;
if (!owner_found) {
@ -445,7 +445,8 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
ppace[i]->sid.sub_auth[ppace[i]->sid.num_subauth - 1] ==
DOMAIN_USER_RID_LE) {
acl_mode = access_flags_to_mode(fattr,
ppace[i]->access_req, ppace[i]->type);
ppace[i]->access_req,
ppace[i]->type);
acl_mode &= 0070;
if (!group_found) {
mode &= ~(0070);
@ -454,7 +455,8 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
group_found = true;
} else if (!compare_sids(&ppace[i]->sid, &sid_everyone)) {
acl_mode = access_flags_to_mode(fattr,
ppace[i]->access_req, ppace[i]->type);
ppace[i]->access_req,
ppace[i]->type);
acl_mode &= 0007;
if (!others_found) {
mode &= ~(0007);
@ -471,12 +473,12 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
struct smb_fattr temp_fattr;
acl_mode = access_flags_to_mode(fattr, ppace[i]->access_req,
ppace[i]->type);
ppace[i]->type);
temp_fattr.cf_uid = INVALID_UID;
ret = sid_to_id(&ppace[i]->sid, SIDOWNER, &temp_fattr);
if (ret || uid_eq(temp_fattr.cf_uid, INVALID_UID)) {
ksmbd_err("%s: Error %d mapping Owner SID to uid\n",
__func__, ret);
__func__, ret);
continue;
}
@ -553,7 +555,8 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
}
static void set_posix_acl_entries_dacl(struct smb_ace *pndace,
struct smb_fattr *fattr, u32 *num_aces, u16 *size, u32 nt_aces_num)
struct smb_fattr *fattr, u32 *num_aces,
u16 *size, u32 nt_aces_num)
{
struct posix_acl_entry *pace;
struct smb_sid *sid;
@ -665,8 +668,9 @@ static void set_posix_acl_entries_dacl(struct smb_ace *pndace,
}
static void set_ntacl_dacl(struct smb_acl *pndacl, struct smb_acl *nt_dacl,
const struct smb_sid *pownersid, const struct smb_sid *pgrpsid,
struct smb_fattr *fattr)
const struct smb_sid *pownersid,
const struct smb_sid *pgrpsid,
struct smb_fattr *fattr)
{
struct smb_ace *ntace, *pndace;
int nt_num_aces = le32_to_cpu(nt_dacl->num_aces), num_aces = 0;
@ -711,7 +715,7 @@ static void set_mode_dacl(struct smb_acl *pndacl, struct smb_fattr *fattr)
else
sid = &sid_unix_users;
ace_size = fill_ace_for_sid(pace, sid, ACCESS_ALLOWED, 0,
fattr->cf_mode, 0700);
fattr->cf_mode, 0700);
pace->sid.sub_auth[pace->sid.num_subauth++] = cpu_to_le32(uid);
pace->access_req |= FILE_DELETE_LE | FILE_DELETE_CHILD_LE;
pace->size = cpu_to_le16(ace_size + 4);
@ -720,7 +724,7 @@ static void set_mode_dacl(struct smb_acl *pndacl, struct smb_fattr *fattr)
/* Group RID */
ace_size = fill_ace_for_sid(pace, &sid_unix_groups,
ACCESS_ALLOWED, 0, fattr->cf_mode, 0070);
ACCESS_ALLOWED, 0, fattr->cf_mode, 0070);
pace->sid.sub_auth[pace->sid.num_subauth++] =
cpu_to_le32(from_kgid(&init_user_ns, fattr->cf_gid));
pace->size = cpu_to_le16(ace_size + 4);
@ -733,20 +737,20 @@ static void set_mode_dacl(struct smb_acl *pndacl, struct smb_fattr *fattr)
/* creator owner */
size += fill_ace_for_sid(pace, &creator_owner, ACCESS_ALLOWED,
0x0b, fattr->cf_mode, 0700);
0x0b, fattr->cf_mode, 0700);
pace->access_req |= FILE_DELETE_LE | FILE_DELETE_CHILD_LE;
pace = (struct smb_ace *)((char *)pndace + size);
/* creator group */
size += fill_ace_for_sid(pace, &creator_group, ACCESS_ALLOWED,
0x0b, fattr->cf_mode, 0070);
0x0b, fattr->cf_mode, 0070);
pace = (struct smb_ace *)((char *)pndace + size);
num_aces = 5;
}
/* other */
size += fill_ace_for_sid(pace, &sid_everyone, ACCESS_ALLOWED, 0,
fattr->cf_mode, 0007);
fattr->cf_mode, 0007);
out:
pndacl->num_aces = cpu_to_le32(num_aces);
@ -769,7 +773,7 @@ static int parse_sid(struct smb_sid *psid, char *end_of_acl)
/* Convert CIFS ACL to POSIX form */
int parse_sec_desc(struct smb_ntsd *pntsd, int acl_len,
struct smb_fattr *fattr)
struct smb_fattr *fattr)
{
int rc = 0;
struct smb_sid *owner_sid_ptr, *group_sid_ptr;
@ -788,10 +792,10 @@ int parse_sec_desc(struct smb_ntsd *pntsd, int acl_len,
dacloffset = le32_to_cpu(pntsd->dacloffset);
dacl_ptr = (struct smb_acl *)((char *)pntsd + dacloffset);
ksmbd_debug(SMB,
"revision %d type 0x%x ooffset 0x%x goffset 0x%x sacloffset 0x%x dacloffset 0x%x\n",
pntsd->revision, pntsd->type, le32_to_cpu(pntsd->osidoffset),
le32_to_cpu(pntsd->gsidoffset),
le32_to_cpu(pntsd->sacloffset), dacloffset);
"revision %d type 0x%x ooffset 0x%x goffset 0x%x sacloffset 0x%x dacloffset 0x%x\n",
pntsd->revision, pntsd->type, le32_to_cpu(pntsd->osidoffset),
le32_to_cpu(pntsd->gsidoffset),
le32_to_cpu(pntsd->sacloffset), dacloffset);
pntsd_type = le16_to_cpu(pntsd->type);
if (!(pntsd_type & DACL_PRESENT)) {
@ -811,7 +815,7 @@ int parse_sec_desc(struct smb_ntsd *pntsd, int acl_len,
rc = sid_to_id(owner_sid_ptr, SIDOWNER, fattr);
if (rc) {
ksmbd_err("%s: Error %d mapping Owner SID to uid\n",
__func__, rc);
__func__, rc);
owner_sid_ptr = NULL;
}
}
@ -820,19 +824,18 @@ int parse_sec_desc(struct smb_ntsd *pntsd, int acl_len,
rc = parse_sid(group_sid_ptr, end_of_acl);
if (rc) {
ksmbd_err("%s: Error %d mapping Owner SID to gid\n",
__func__, rc);
__func__, rc);
return rc;
}
rc = sid_to_id(group_sid_ptr, SIDUNIX_GROUP, fattr);
if (rc) {
ksmbd_err("%s: Error %d mapping Group SID to gid\n",
__func__, rc);
__func__, rc);
group_sid_ptr = NULL;
}
}
if ((pntsd_type &
(DACL_AUTO_INHERITED | DACL_AUTO_INHERIT_REQ)) ==
if ((pntsd_type & (DACL_AUTO_INHERITED | DACL_AUTO_INHERIT_REQ)) ==
(DACL_AUTO_INHERITED | DACL_AUTO_INHERIT_REQ))
pntsd->type |= cpu_to_le16(DACL_AUTO_INHERITED);
if (pntsd_type & DACL_PROTECTED)
@ -840,7 +843,7 @@ int parse_sec_desc(struct smb_ntsd *pntsd, int acl_len,
if (dacloffset) {
parse_dacl(dacl_ptr, end_of_acl, owner_sid_ptr, group_sid_ptr,
fattr);
fattr);
}
return 0;
@ -848,7 +851,8 @@ int parse_sec_desc(struct smb_ntsd *pntsd, int acl_len,
/* Convert permission bits from mode to equivalent CIFS ACL */
int build_sec_desc(struct smb_ntsd *pntsd, struct smb_ntsd *ppntsd,
int addition_info, __u32 *secdesclen, struct smb_fattr *fattr)
int addition_info, __u32 *secdesclen,
struct smb_fattr *fattr)
{
int rc = 0;
__u32 offset;
@ -929,7 +933,7 @@ int build_sec_desc(struct smb_ntsd *pntsd, struct smb_ntsd *ppntsd,
}
static void smb_set_ace(struct smb_ace *ace, const struct smb_sid *sid, u8 type,
u8 flags, __le32 access_req)
u8 flags, __le32 access_req)
{
ace->type = type;
ace->flags = flags;
@ -939,7 +943,7 @@ static void smb_set_ace(struct smb_ace *ace, const struct smb_sid *sid, u8 type,
}
int smb_inherit_dacl(struct ksmbd_conn *conn, struct dentry *dentry,
unsigned int uid, unsigned int gid)
unsigned int uid, unsigned int gid)
{
const struct smb_sid *psid, *creator = NULL;
struct smb_ace *parent_aces, *aces;
@ -1003,7 +1007,7 @@ int smb_inherit_dacl(struct ksmbd_conn *conn, struct dentry *dentry,
if (is_dir && creator && flags & CONTAINER_INHERIT_ACE) {
smb_set_ace(aces, psid, parent_aces->type, inherited_flags,
parent_aces->access_req);
parent_aces->access_req);
nt_size += le16_to_cpu(aces->size);
ace_cnt++;
aces = (struct smb_ace *)((char *)aces + le16_to_cpu(aces->size));
@ -1014,7 +1018,7 @@ int smb_inherit_dacl(struct ksmbd_conn *conn, struct dentry *dentry,
}
smb_set_ace(aces, psid, parent_aces->type, flags | inherited_flags,
parent_aces->access_req);
parent_aces->access_req);
nt_size += le16_to_cpu(aces->size);
aces = (struct smb_ace *)((char *)aces + le16_to_cpu(aces->size));
ace_cnt++;
@ -1107,7 +1111,7 @@ bool smb_inherit_flags(int flags, bool is_dir)
}
int smb_check_perm_dacl(struct ksmbd_conn *conn, struct dentry *dentry,
__le32 *pdaccess, int uid)
__le32 *pdaccess, int uid)
{
struct smb_ntsd *pntsd = NULL;
struct smb_acl *pdacl;
@ -1243,10 +1247,10 @@ int smb_check_perm_dacl(struct ksmbd_conn *conn, struct dentry *dentry,
}
check_access_bits:
if (granted & ~(access_bits | FILE_READ_ATTRIBUTES |
READ_CONTROL | WRITE_DAC | DELETE)) {
if (granted &
~(access_bits | FILE_READ_ATTRIBUTES | READ_CONTROL | WRITE_DAC | DELETE)) {
ksmbd_debug(SMB, "Access denied with winACL, granted : %x, access_req : %x\n",
granted, le32_to_cpu(ace->access_req));
granted, le32_to_cpu(ace->access_req));
rc = -EACCES;
goto err_out;
}
@ -1258,8 +1262,8 @@ int smb_check_perm_dacl(struct ksmbd_conn *conn, struct dentry *dentry,
}
int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
struct dentry *dentry, struct smb_ntsd *pntsd, int ntsd_len,
bool type_check)
struct dentry *dentry, struct smb_ntsd *pntsd, int ntsd_len,
bool type_check)
{
int rc;
struct smb_fattr fattr = {{0}};
@ -1284,10 +1288,10 @@ int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
/* Update posix acls */
if (fattr.cf_dacls) {
rc = ksmbd_vfs_set_posix_acl(inode, ACL_TYPE_ACCESS,
fattr.cf_acls);
fattr.cf_acls);
if (S_ISDIR(inode->i_mode) && fattr.cf_dacls)
rc = ksmbd_vfs_set_posix_acl(inode, ACL_TYPE_DEFAULT,
fattr.cf_dacls);
fattr.cf_dacls);
}
/* Check it only calling from SD BUFFER context */

21
fs/cifsd/transport_ipc.c
View file

@ -269,7 +269,7 @@ static int handle_response(int type, void *payload, size_t sz)
*/
if (entry->type + 1 != type) {
ksmbd_err("Waiting for IPC type %d, got %d. Ignore.\n",
entry->type + 1, type);
entry->type + 1, type);
}
entry->response = kvmalloc(sz, GFP_KERNEL | __GFP_ZERO);
@ -315,9 +315,8 @@ static int ipc_server_config_on_startup(struct ksmbd_startup_request *req)
req->ifc_list_sz);
if (ret) {
ksmbd_err("Server configuration error: %s %s %s\n",
req->netbios_name,
req->server_string,
req->work_group);
req->netbios_name, req->server_string,
req->work_group);
return ret;
}
@ -547,9 +546,9 @@ ksmbd_ipc_spnego_authen_request(const char *spnego_blob, int blob_len)
struct ksmbd_tree_connect_response *
ksmbd_ipc_tree_connect_request(struct ksmbd_session *sess,
struct ksmbd_share_config *share,
struct ksmbd_tree_connect *tree_conn,
struct sockaddr *peer_addr)
struct ksmbd_share_config *share,
struct ksmbd_tree_connect *tree_conn,
struct sockaddr *peer_addr)
{
struct ksmbd_ipc_msg *msg;
struct ksmbd_tree_connect_request *req;
@ -588,7 +587,7 @@ ksmbd_ipc_tree_connect_request(struct ksmbd_session *sess,
}
int ksmbd_ipc_tree_disconnect_request(unsigned long long session_id,
unsigned long long connect_id)
unsigned long long connect_id)
{
struct ksmbd_ipc_msg *msg;
struct ksmbd_tree_disconnect_request *req;
@ -700,7 +699,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_close(struct ksmbd_session *sess, int handle
}
struct ksmbd_rpc_command *ksmbd_rpc_write(struct ksmbd_session *sess, int handle,
void *payload, size_t payload_sz)
void *payload, size_t payload_sz)
{
struct ksmbd_ipc_msg *msg;
struct ksmbd_rpc_command *req;
@ -748,7 +747,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_read(struct ksmbd_session *sess, int handle)
}
struct ksmbd_rpc_command *ksmbd_rpc_ioctl(struct ksmbd_session *sess, int handle,
void *payload, size_t payload_sz)
void *payload, size_t payload_sz)
{
struct ksmbd_ipc_msg *msg;
struct ksmbd_rpc_command *req;
@ -773,7 +772,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_ioctl(struct ksmbd_session *sess, int handle
}
struct ksmbd_rpc_command *ksmbd_rpc_rap(struct ksmbd_session *sess, void *payload,
size_t payload_sz)
size_t payload_sz)
{
struct ksmbd_ipc_msg *msg;
struct ksmbd_rpc_command *req;

13
fs/cifsd/transport_ipc.h
View file

@ -23,31 +23,24 @@ ksmbd_ipc_tree_connect_request(struct ksmbd_session *sess,
struct ksmbd_share_config *share,
struct ksmbd_tree_connect *tree_conn,
struct sockaddr *peer_addr);
int ksmbd_ipc_tree_disconnect_request(unsigned long long session_id,
unsigned long long connect_id);
int ksmbd_ipc_logout_request(const char *account);
struct ksmbd_share_config_response *
ksmbd_ipc_share_config_request(const char *name);
struct ksmbd_spnego_authen_response *
ksmbd_ipc_spnego_authen_request(const char *spnego_blob, int blob_len);
int ksmbd_ipc_id_alloc(void);
void ksmbd_rpc_id_free(int handle);
struct ksmbd_rpc_command *ksmbd_rpc_open(struct ksmbd_session *sess, int handle);
struct ksmbd_rpc_command *ksmbd_rpc_close(struct ksmbd_session *sess, int handle);
struct ksmbd_rpc_command *ksmbd_rpc_write(struct ksmbd_session *sess, int handle,
void *payload, size_t payload_sz);
void *payload, size_t payload_sz);
struct ksmbd_rpc_command *ksmbd_rpc_read(struct ksmbd_session *sess, int handle);
struct ksmbd_rpc_command *ksmbd_rpc_ioctl(struct ksmbd_session *sess, int handle,
void *payload, size_t payload_sz);
void *payload, size_t payload_sz);
struct ksmbd_rpc_command *ksmbd_rpc_rap(struct ksmbd_session *sess, void *payload,
size_t payload_sz);
size_t payload_sz);
void ksmbd_ipc_release(void);
void ksmbd_ipc_soft_reset(void);
int ksmbd_ipc_init(void);

358
fs/cifsd/transport_rdma.c
View file

@ -212,8 +212,9 @@ struct smb_direct_rdma_rw_msg {
static void smb_direct_destroy_pools(struct smb_direct_transport *transport);
static void smb_direct_post_recv_credits(struct work_struct *work);
static int smb_direct_post_send_data(struct smb_direct_transport *t,
struct smb_direct_send_ctx *send_ctx,
struct kvec *iov, int niov, int remaining_data_length);
struct smb_direct_send_ctx *send_ctx,
struct kvec *iov, int niov,
int remaining_data_length);
static inline void
*smb_direct_recvmsg_payload(struct smb_direct_recvmsg *recvmsg)
@ -222,7 +223,7 @@ static inline void
}
static inline bool is_receive_credit_post_required(int receive_credits,
int avail_recvmsg_count)
int avail_recvmsg_count)
{
return receive_credits <= (smb_direct_receive_credit_max >> 3) &&
avail_recvmsg_count >= (receive_credits >> 2);
@ -245,10 +246,10 @@ smb_direct_recvmsg *get_free_recvmsg(struct smb_direct_transport *t)
}
static void put_recvmsg(struct smb_direct_transport *t,
struct smb_direct_recvmsg *recvmsg)
struct smb_direct_recvmsg *recvmsg)
{
ib_dma_unmap_single(t->cm_id->device, recvmsg->sge.addr,
recvmsg->sge.length, DMA_FROM_DEVICE);
recvmsg->sge.length, DMA_FROM_DEVICE);
spin_lock(&t->recvmsg_queue_lock);
list_add(&recvmsg->list, &t->recvmsg_queue);
@ -263,7 +264,7 @@ smb_direct_recvmsg *get_empty_recvmsg(struct smb_direct_transport *t)
spin_lock(&t->empty_recvmsg_queue_lock);
if (!list_empty(&t->empty_recvmsg_queue)) {
recvmsg = list_first_entry(&t->empty_recvmsg_queue,
struct smb_direct_recvmsg, list);
struct smb_direct_recvmsg, list);
list_del(&recvmsg->list);
}
spin_unlock(&t->empty_recvmsg_queue_lock);
@ -271,10 +272,10 @@ smb_direct_recvmsg *get_empty_recvmsg(struct smb_direct_transport *t)
}
static void put_empty_recvmsg(struct smb_direct_transport *t,
struct smb_direct_recvmsg *recvmsg)
struct smb_direct_recvmsg *recvmsg)
{
ib_dma_unmap_single(t->cm_id->device, recvmsg->sge.addr,
recvmsg->sge.length, DMA_FROM_DEVICE);
recvmsg->sge.length, DMA_FROM_DEVICE);
spin_lock(&t->empty_recvmsg_queue_lock);
list_add_tail(&recvmsg->list, &t->empty_recvmsg_queue);
@ -282,7 +283,8 @@ static void put_empty_recvmsg(struct smb_direct_transport *t,
}
static void enqueue_reassembly(struct smb_direct_transport *t,
struct smb_direct_recvmsg *recvmsg, int data_length)
struct smb_direct_recvmsg *recvmsg,
int data_length)
{
spin_lock(&t->reassembly_queue_lock);
list_add_tail(&recvmsg->list, &t->reassembly_queue);
@ -398,9 +400,9 @@ static void free_transport(struct smb_direct_transport *t)
ksmbd_debug(RDMA, "wait for all send posted to IB to finish\n");
wait_event(t->wait_send_payload_pending,
atomic_read(&t->send_payload_pending) == 0);
atomic_read(&t->send_payload_pending) == 0);
wait_event(t->wait_send_pending,
atomic_read(&t->send_pending) == 0);
atomic_read(&t->send_pending) == 0);
cancel_work_sync(&t->disconnect_work);
cancel_delayed_work_sync(&t->post_recv_credits_work);
@ -454,18 +456,18 @@ static struct smb_direct_sendmsg
}
static void smb_direct_free_sendmsg(struct smb_direct_transport *t,
struct smb_direct_sendmsg *msg)
struct smb_direct_sendmsg *msg)
{
int i;
if (msg->num_sge > 0) {
ib_dma_unmap_single(t->cm_id->device,
msg->sge[0].addr, msg->sge[0].length,
DMA_TO_DEVICE);
msg->sge[0].addr, msg->sge[0].length,
DMA_TO_DEVICE);
for (i = 1; i < msg->num_sge; i++)
ib_dma_unmap_page(t->cm_id->device,
msg->sge[i].addr, msg->sge[i].length,
DMA_TO_DEVICE);
msg->sge[i].addr, msg->sge[i].length,
DMA_TO_DEVICE);
}
mempool_free(msg, t->sendmsg_mempool);
}
@ -479,24 +481,24 @@ static int smb_direct_check_recvmsg(struct smb_direct_recvmsg *recvmsg)
struct smb2_hdr *hdr = (struct smb2_hdr *)(recvmsg->packet
+ le32_to_cpu(req->data_offset) - 4);
ksmbd_debug(RDMA,
"CreditGranted: %u, CreditRequested: %u, DataLength: %u, RemainingDataLength: %u, SMB: %x, Command: %u\n",
le16_to_cpu(req->credits_granted),
le16_to_cpu(req->credits_requested),
req->data_length, req->remaining_data_length,
hdr->ProtocolId, hdr->Command);
"CreditGranted: %u, CreditRequested: %u, DataLength: %u, RemainingDataLength: %u, SMB: %x, Command: %u\n",
le16_to_cpu(req->credits_granted),
le16_to_cpu(req->credits_requested),
req->data_length, req->remaining_data_length,
hdr->ProtocolId, hdr->Command);
break;
}
case SMB_DIRECT_MSG_NEGOTIATE_REQ: {
struct smb_direct_negotiate_req *req =
(struct smb_direct_negotiate_req *)recvmsg->packet;
ksmbd_debug(RDMA,
"MinVersion: %u, MaxVersion: %u, CreditRequested: %u, MaxSendSize: %u, MaxRecvSize: %u, MaxFragmentedSize: %u\n",
le16_to_cpu(req->min_version),
le16_to_cpu(req->max_version),
le16_to_cpu(req->credits_requested),
le32_to_cpu(req->preferred_send_size),
le32_to_cpu(req->max_receive_size),
le32_to_cpu(req->max_fragmented_size));
"MinVersion: %u, MaxVersion: %u, CreditRequested: %u, MaxSendSize: %u, MaxRecvSize: %u, MaxFragmentedSize: %u\n",
le16_to_cpu(req->min_version),
le16_to_cpu(req->max_version),
le16_to_cpu(req->credits_requested),
le32_to_cpu(req->preferred_send_size),
le32_to_cpu(req->max_receive_size),
le32_to_cpu(req->max_fragmented_size));
if (le16_to_cpu(req->min_version) > 0x0100 ||
le16_to_cpu(req->max_version) < 0x0100)
return -EOPNOTSUPP;
@ -525,8 +527,8 @@ static void recv_done(struct ib_cq *cq, struct ib_wc *wc)
if (wc->status != IB_WC_SUCCESS || wc->opcode != IB_WC_RECV) {
if (wc->status != IB_WC_WR_FLUSH_ERR) {
ksmbd_err("Recv error. status='%s (%d)' opcode=%d\n",
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
smb_direct_disconnect_rdma_connection(t);
}
put_empty_recvmsg(t, recvmsg);
@ -534,11 +536,11 @@ static void recv_done(struct ib_cq *cq, struct ib_wc *wc)
}
ksmbd_debug(RDMA, "Recv completed. status='%s (%d)', opcode=%d\n",
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
ib_dma_sync_single_for_cpu(wc->qp->device, recvmsg->sge.addr,
recvmsg->sge.length, DMA_FROM_DEVICE);
recvmsg->sge.length, DMA_FROM_DEVICE);
switch (recvmsg->type) {
case SMB_DIRECT_MSG_NEGOTIATE_REQ:
@ -580,10 +582,10 @@ static void recv_done(struct ib_cq *cq, struct ib_wc *wc)
t->recv_credit_target =
le16_to_cpu(data_transfer->credits_requested);
atomic_add(le16_to_cpu(data_transfer->credits_granted),
&t->send_credits);
&t->send_credits);
if (le16_to_cpu(data_transfer->flags) &
SMB_DIRECT_RESPONSE_REQUESTED)
SMB_DIRECT_RESPONSE_REQUESTED)
queue_work(smb_direct_wq, &t->send_immediate_work);
if (atomic_read(&t->send_credits) > 0)
@ -591,7 +593,7 @@ static void recv_done(struct ib_cq *cq, struct ib_wc *wc)
if (is_receive_credit_post_required(receive_credits, avail_recvmsg_count))
mod_delayed_work(smb_direct_wq,
&t->post_recv_credits_work, 0);
&t->post_recv_credits_work, 0);
break;
}
default:
@ -600,14 +602,14 @@ static void recv_done(struct ib_cq *cq, struct ib_wc *wc)
}
static int smb_direct_post_recv(struct smb_direct_transport *t,
struct smb_direct_recvmsg *recvmsg)
struct smb_direct_recvmsg *recvmsg)
{
struct ib_recv_wr wr;
int ret;
recvmsg->sge.addr = ib_dma_map_single(t->cm_id->device,
recvmsg->packet, t->max_recv_size,
DMA_FROM_DEVICE);
recvmsg->packet, t->max_recv_size,
DMA_FROM_DEVICE);
ret = ib_dma_mapping_error(t->cm_id->device, recvmsg->sge.addr);
if (ret)
return ret;
@ -624,8 +626,8 @@ static int smb_direct_post_recv(struct smb_direct_transport *t,
if (ret) {
ksmbd_err("Can't post recv: %d\n", ret);
ib_dma_unmap_single(t->cm_id->device,
recvmsg->sge.addr, recvmsg->sge.length,
DMA_FROM_DEVICE);
recvmsg->sge.addr, recvmsg->sge.length,
DMA_FROM_DEVICE);
smb_direct_disconnect_rdma_connection(t);
return ret;
}
@ -633,7 +635,7 @@ static int smb_direct_post_recv(struct smb_direct_transport *t,
}
static int smb_direct_read(struct ksmbd_transport *t, char *buf,
unsigned int size)
unsigned int size)
{
struct smb_direct_recvmsg *recvmsg;
struct smb_direct_data_transfer *data_transfer;
@ -692,14 +694,14 @@ static int smb_direct_read(struct ksmbd_transport *t, char *buf,
data_read = 4;
recvmsg->first_segment = false;
ksmbd_debug(RDMA,
"returning rfc1002 length %d\n",
rfc1002_len);
"returning rfc1002 length %d\n",
rfc1002_len);
goto read_rfc1002_done;
}
to_copy = min_t(int, data_length - offset, to_read);
memcpy(buf + data_read, (char *)data_transfer + data_offset + offset,
to_copy);
to_copy);
/* move on to the next buffer? */
if (to_copy == data_length - offset) {
@ -736,23 +738,24 @@ static int smb_direct_read(struct ksmbd_transport *t, char *buf,
if (is_receive_credit_post_required(st->recv_credits, st->count_avail_recvmsg)) {
spin_unlock(&st->receive_credit_lock);
mod_delayed_work(smb_direct_wq,
&st->post_recv_credits_work, 0);
&st->post_recv_credits_work, 0);
} else {
spin_unlock(&st->receive_credit_lock);
}
st->first_entry_offset = offset;
ksmbd_debug(RDMA,
"returning to thread data_read=%d reassembly_data_length=%d first_entry_offset=%d\n",
data_read, st->reassembly_data_length,
st->first_entry_offset);
"returning to thread data_read=%d reassembly_data_length=%d first_entry_offset=%d\n",
data_read, st->reassembly_data_length,
st->first_entry_offset);
read_rfc1002_done:
return data_read;
}
ksmbd_debug(RDMA, "wait_event on more data\n");
rc = wait_event_interruptible(st->wait_reassembly_queue,
st->reassembly_data_length >= size || st->status != SMB_DIRECT_CS_CONNECTED);
st->reassembly_data_length >= size ||
st->status != SMB_DIRECT_CS_CONNECTED);
if (rc)
return -EINTR;
@ -823,13 +826,13 @@ static void send_done(struct ib_cq *cq, struct ib_wc *wc)
t = sendmsg->transport;
ksmbd_debug(RDMA, "Send completed. status='%s (%d)', opcode=%d\n",
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
if (wc->status != IB_WC_SUCCESS || wc->opcode != IB_WC_SEND) {
ksmbd_err("Send error. status='%s (%d)', opcode=%d\n",
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
ib_wc_status_msg(wc->status), wc->status,
wc->opcode);
smb_direct_disconnect_rdma_connection(t);
}
@ -845,7 +848,7 @@ static void send_done(struct ib_cq *cq, struct ib_wc *wc)
* is invalid.
*/
for (pos = &sendmsg->list, prev = pos->prev, end = sendmsg->list.next;
prev != end; pos = prev, prev = prev->prev) {
prev != end; pos = prev, prev = prev->prev) {
sibling = container_of(pos, struct smb_direct_sendmsg, list);
smb_direct_free_sendmsg(t, sibling);
}
@ -867,7 +870,7 @@ static int manage_credits_prior_sending(struct smb_direct_transport *t)
}
static int smb_direct_post_send(struct smb_direct_transport *t,
struct ib_send_wr *wr)
struct ib_send_wr *wr)
{
int ret;
@ -892,8 +895,9 @@ static int smb_direct_post_send(struct smb_direct_transport *t,
}
static void smb_direct_send_ctx_init(struct smb_direct_transport *t,
struct smb_direct_send_ctx *send_ctx,
bool need_invalidate_rkey, unsigned int remote_key)
struct smb_direct_send_ctx *send_ctx,
bool need_invalidate_rkey,
unsigned int remote_key)
{
INIT_LIST_HEAD(&send_ctx->msg_list);
send_ctx->wr_cnt = 0;
@ -902,7 +906,8 @@ static void smb_direct_send_ctx_init(struct smb_direct_transport *t,
}
static int smb_direct_flush_send_list(struct smb_direct_transport *t,
struct smb_direct_send_ctx *send_ctx, bool is_last)
struct smb_direct_send_ctx *send_ctx,
bool is_last)
{
struct smb_direct_sendmsg *first, *last;
int ret;
@ -911,11 +916,11 @@ static int smb_direct_flush_send_list(struct smb_direct_transport *t,
return 0;
first = list_first_entry(&send_ctx->msg_list,
struct smb_direct_sendmsg,
list);
struct smb_direct_sendmsg,
list);
last = list_last_entry(&send_ctx->msg_list,
struct smb_direct_sendmsg,
list);
struct smb_direct_sendmsg,
list);
last->wr.send_flags = IB_SEND_SIGNALED;
last->wr.wr_cqe = &last->cqe;
@ -927,12 +932,13 @@ static int smb_direct_flush_send_list(struct smb_direct_transport *t,
ret = smb_direct_post_send(t, &first->wr);
if (!ret) {
smb_direct_send_ctx_init(t, send_ctx,
send_ctx->need_invalidate_rkey, send_ctx->remote_key);
send_ctx->need_invalidate_rkey,
send_ctx->remote_key);
} else {
atomic_add(send_ctx->wr_cnt, &t->send_credits);
wake_up(&t->wait_send_credits);
list_for_each_entry_safe(first, last, &send_ctx->msg_list,
list) {
list) {
smb_direct_free_sendmsg(t, first);
}
}
@ -940,7 +946,7 @@ static int smb_direct_flush_send_list(struct smb_direct_transport *t,
}
static int wait_for_credits(struct smb_direct_transport *t,
wait_queue_head_t *waitq, atomic_t *credits)
wait_queue_head_t *waitq, atomic_t *credits)
{
int ret;
@ -950,8 +956,8 @@ static int wait_for_credits(struct smb_direct_transport *t,
atomic_inc(credits);
ret = wait_event_interruptible(*waitq,
atomic_read(credits) > 0 ||
t->status != SMB_DIRECT_CS_CONNECTED);
atomic_read(credits) > 0 ||
t->status != SMB_DIRECT_CS_CONNECTED);
if (t->status != SMB_DIRECT_CS_CONNECTED)
return -ENOTCONN;
@ -961,12 +967,12 @@ static int wait_for_credits(struct smb_direct_transport *t,
}
static int wait_for_send_credits(struct smb_direct_transport *t,
struct smb_direct_send_ctx *send_ctx)
struct smb_direct_send_ctx *send_ctx)
{
int ret;
if (send_ctx && (send_ctx->wr_cnt >= 16 ||
atomic_read(&t->send_credits) <= 1)) {
if (send_ctx &&
(send_ctx->wr_cnt >= 16 || atomic_read(&t->send_credits) <= 1)) {
ret = smb_direct_flush_send_list(t, send_ctx, false);
if (ret)
return ret;
@ -976,8 +982,8 @@ static int wait_for_send_credits(struct smb_direct_transport *t,
}
static int smb_direct_create_header(struct smb_direct_transport *t,
int size, int remaining_data_length,
struct smb_direct_sendmsg **sendmsg_out)
int size, int remaining_data_length,
struct smb_direct_sendmsg **sendmsg_out)
{
struct smb_direct_sendmsg *sendmsg;
struct smb_direct_data_transfer *packet;
@ -1004,12 +1010,12 @@ static int smb_direct_create_header(struct smb_direct_transport *t,
packet->padding = 0;
ksmbd_debug(RDMA,
"credits_requested=%d credits_granted=%d data_offset=%d data_length=%d remaining_data_length=%d\n",
le16_to_cpu(packet->credits_requested),
le16_to_cpu(packet->credits_granted),
le32_to_cpu(packet->data_offset),
le32_to_cpu(packet->data_length),
le32_to_cpu(packet->remaining_data_length));
"credits_requested=%d credits_granted=%d data_offset=%d data_length=%d remaining_data_length=%d\n",
le16_to_cpu(packet->credits_requested),
le16_to_cpu(packet->credits_granted),
le32_to_cpu(packet->data_offset),
le32_to_cpu(packet->data_length),
le32_to_cpu(packet->remaining_data_length));
/* Map the packet to DMA */
header_length = sizeof(struct smb_direct_data_transfer);
@ -1069,8 +1075,8 @@ static int get_sg_list(void *buf, int size, struct scatterlist *sg_list, int nen
}
static int get_mapped_sg_list(struct ib_device *device, void *buf, int size,
struct scatterlist *sg_list, int nentries,
enum dma_data_direction dir)
struct scatterlist *sg_list, int nentries,
enum dma_data_direction dir)
{
int npages;
@ -1081,15 +1087,15 @@ static int get_mapped_sg_list(struct ib_device *device, void *buf, int size,
}
static int post_sendmsg(struct smb_direct_transport *t,
struct smb_direct_send_ctx *send_ctx,
struct smb_direct_sendmsg *msg)
struct smb_direct_send_ctx *send_ctx,
struct smb_direct_sendmsg *msg)
{
int i;
for (i = 0; i < msg->num_sge; i++)
ib_dma_sync_single_for_device(t->cm_id->device,
msg->sge[i].addr, msg->sge[i].length,
DMA_TO_DEVICE);
msg->sge[i].addr, msg->sge[i].length,
DMA_TO_DEVICE);
msg->cqe.done = send_done;
msg->wr.opcode = IB_WR_SEND;
@ -1119,8 +1125,9 @@ static int post_sendmsg(struct smb_direct_transport *t,
}
static int smb_direct_post_send_data(struct smb_direct_transport *t,
struct smb_direct_send_ctx *send_ctx,
struct kvec *iov, int niov, int remaining_data_length)
struct smb_direct_send_ctx *send_ctx,
struct kvec *iov, int niov,
int remaining_data_length)
{
int i, j, ret;
struct smb_direct_sendmsg *msg;
@ -1148,8 +1155,9 @@ static int smb_direct_post_send_data(struct smb_direct_transport *t,
sg_init_table(sg, SMB_DIRECT_MAX_SEND_SGES - 1);
sg_cnt = get_mapped_sg_list(t->cm_id->device,
iov[i].iov_base, iov[i].iov_len,
sg, SMB_DIRECT_MAX_SEND_SGES - 1, DMA_TO_DEVICE);
iov[i].iov_base, iov[i].iov_len,
sg, SMB_DIRECT_MAX_SEND_SGES - 1,
DMA_TO_DEVICE);
if (sg_cnt <= 0) {
ksmbd_err("failed to map buffer\n");
ret = -ENOMEM;
@ -1182,8 +1190,8 @@ static int smb_direct_post_send_data(struct smb_direct_transport *t,
}
static int smb_direct_writev(struct ksmbd_transport *t,
struct kvec *iov, int niovs, int buflen,
bool need_invalidate, unsigned int remote_key)
struct kvec *iov, int niovs, int buflen,
bool need_invalidate, unsigned int remote_key)
{
struct smb_direct_transport *st = SMB_DIRECT_TRANS(t);
int remaining_data_length;
@ -1217,8 +1225,8 @@ static int smb_direct_writev(struct ksmbd_transport *t,
remaining_data_length -=
(buflen - iov[i].iov_len);
ret = smb_direct_post_send_data(st, &send_ctx,
&iov[start], i - start,
remaining_data_length);
&iov[start], i - start,
remaining_data_length);
if (ret)
goto done;
} else {
@ -1232,11 +1240,10 @@ static int smb_direct_writev(struct ksmbd_transport *t,
j * max_iov_size;
vec.iov_len =
min_t(int, max_iov_size,
buflen - max_iov_size * j);
buflen - max_iov_size * j);
remaining_data_length -= vec.iov_len;
ret = smb_direct_post_send_data(st,
&send_ctx, &vec, 1,
remaining_data_length);
ret = smb_direct_post_send_data(st, &send_ctx, &vec, 1,
remaining_data_length);
if (ret)
goto done;
}
@ -1252,8 +1259,8 @@ static int smb_direct_writev(struct ksmbd_transport *t,
/* send out all remaining vecs */
remaining_data_length -= buflen;
ret = smb_direct_post_send_data(st, &send_ctx,
&iov[start], i - start,
remaining_data_length);
&iov[start], i - start,
remaining_data_length);
if (ret)
goto done;
break;
@ -1272,20 +1279,20 @@ static int smb_direct_writev(struct ksmbd_transport *t,
*/
wait_event(st->wait_send_payload_pending,
atomic_read(&st->send_payload_pending) == 0);
atomic_read(&st->send_payload_pending) == 0);
return ret;
}
static void read_write_done(struct ib_cq *cq, struct ib_wc *wc,
enum dma_data_direction dir)
enum dma_data_direction dir)
{
struct smb_direct_rdma_rw_msg *msg = container_of(wc->wr_cqe,
struct smb_direct_rdma_rw_msg, cqe);
struct smb_direct_rdma_rw_msg, cqe);
struct smb_direct_transport *t = msg->t;
if (wc->status != IB_WC_SUCCESS) {
ksmbd_err("read/write error. opcode = %d, status = %s(%d)\n",
wc->opcode, ib_wc_status_msg(wc->status), wc->status);
wc->opcode, ib_wc_status_msg(wc->status), wc->status);
smb_direct_disconnect_rdma_connection(t);
}
@ -1293,7 +1300,7 @@ static void read_write_done(struct ib_cq *cq, struct ib_wc *wc,
wake_up(&t->wait_rw_avail_ops);
rdma_rw_ctx_destroy(&msg->rw_ctx, t->qp, t->qp->port,
msg->sg_list, msg->sgt.nents, dir);
msg->sg_list, msg->sgt.nents, dir);
sg_free_table_chained(&msg->sgt, SG_CHUNK_SIZE);
complete(msg->completion);
kfree(msg);
@ -1310,8 +1317,8 @@ static void write_done(struct ib_cq *cq, struct ib_wc *wc)
}
static int smb_direct_rdma_xmit(struct smb_direct_transport *t, void *buf,
int buf_len, u32 remote_key, u64 remote_offset, u32 remote_len,
bool is_read)
int buf_len, u32 remote_key, u64 remote_offset,
u32 remote_len, bool is_read)
{
struct smb_direct_rdma_rw_msg *msg;
int ret;
@ -1324,7 +1331,7 @@ static int smb_direct_rdma_xmit(struct smb_direct_transport *t, void *buf,
/* TODO: mempool */
msg = kmalloc(offsetof(struct smb_direct_rdma_rw_msg, sg_list) +
sizeof(struct scatterlist) * SG_CHUNK_SIZE, GFP_KERNEL);
sizeof(struct scatterlist) * SG_CHUNK_SIZE, GFP_KERNEL);
if (!msg) {
atomic_inc(&t->rw_avail_ops);
return -ENOMEM;
@ -1332,8 +1339,8 @@ static int smb_direct_rdma_xmit(struct smb_direct_transport *t, void *buf,
msg->sgt.sgl = &msg->sg_list[0];
ret = sg_alloc_table_chained(&msg->sgt,
BUFFER_NR_PAGES(buf, buf_len),
msg->sg_list, SG_CHUNK_SIZE);
BUFFER_NR_PAGES(buf, buf_len),
msg->sg_list, SG_CHUNK_SIZE);
if (ret) {
atomic_inc(&t->rw_avail_ops);
kfree(msg);
@ -1347,9 +1354,9 @@ static int smb_direct_rdma_xmit(struct smb_direct_transport *t, void *buf,
}
ret = rdma_rw_ctx_init(&msg->rw_ctx, t->qp, t->qp->port,
msg->sg_list, BUFFER_NR_PAGES(buf, buf_len),
0, remote_offset, remote_key,
is_read ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
msg->sg_list, BUFFER_NR_PAGES(buf, buf_len),
0, remote_offset, remote_key,
is_read ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
if (ret < 0) {
ksmbd_err("failed to init rdma_rw_ctx: %d\n", ret);
goto err;
@ -1359,7 +1366,7 @@ static int smb_direct_rdma_xmit(struct smb_direct_transport *t, void *buf,
msg->cqe.done = is_read ? read_done : write_done;
msg->completion = &completion;
first_wr = rdma_rw_ctx_wrs(&msg->rw_ctx, t->qp, t->qp->port,
&msg->cqe, NULL);
&msg->cqe, NULL);
ret = ib_post_send(t->qp, first_wr, NULL);
if (ret) {
@ -1374,29 +1381,29 @@ static int smb_direct_rdma_xmit(struct smb_direct_transport *t, void *buf,
atomic_inc(&t->rw_avail_ops);
if (first_wr)
rdma_rw_ctx_destroy(&msg->rw_ctx, t->qp, t->qp->port,
msg->sg_list, msg->sgt.nents,
is_read ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
msg->sg_list, msg->sgt.nents,
is_read ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
sg_free_table_chained(&msg->sgt, SG_CHUNK_SIZE);
kfree(msg);
return ret;
}
static int smb_direct_rdma_write(struct ksmbd_transport *t, void *buf,
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len)
unsigned int buflen, u32 remote_key,
u64 remote_offset, u32 remote_len)
{
return smb_direct_rdma_xmit(SMB_DIRECT_TRANS(t), buf, buflen,
remote_key, remote_offset,
remote_len, false);
remote_key, remote_offset,
remote_len, false);
}
static int smb_direct_rdma_read(struct ksmbd_transport *t, void *buf,
unsigned int buflen, u32 remote_key, u64 remote_offset,
u32 remote_len)
unsigned int buflen, u32 remote_key,
u64 remote_offset, u32 remote_len)
{
return smb_direct_rdma_xmit(SMB_DIRECT_TRANS(t), buf, buflen,
remote_key, remote_offset,
remote_len, true);
remote_key, remote_offset,
remote_len, true);
}
static void smb_direct_disconnect(struct ksmbd_transport *t)
@ -1407,17 +1414,17 @@ static void smb_direct_disconnect(struct ksmbd_transport *t)
smb_direct_disconnect_rdma_connection(st);
wait_event_interruptible(st->wait_status,
st->status == SMB_DIRECT_CS_DISCONNECTED);
st->status == SMB_DIRECT_CS_DISCONNECTED);
free_transport(st);
}
static int smb_direct_cm_handler(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
struct rdma_cm_event *event)
{
struct smb_direct_transport *t = cm_id->context;
ksmbd_debug(RDMA, "RDMA CM event. cm_id=%p event=%s (%d)\n",
cm_id, rdma_event_msg(event->event), event->event);
cm_id, rdma_event_msg(event->event), event->event);
switch (event->event) {
case RDMA_CM_EVENT_ESTABLISHED: {
@ -1440,8 +1447,8 @@ static int smb_direct_cm_handler(struct rdma_cm_id *cm_id,
}
default:
ksmbd_err("Unexpected RDMA CM event. cm_id=%p, event=%s (%d)\n",
cm_id, rdma_event_msg(event->event),
event->event);
cm_id, rdma_event_msg(event->event),
event->event);
break;
}
return 0;
@ -1452,7 +1459,7 @@ static void smb_direct_qpair_handler(struct ib_event *event, void *context)
struct smb_direct_transport *t = context;
ksmbd_debug(RDMA, "Received QP event. cm_id=%p, event=%s (%d)\n",
t->cm_id, ib_event_msg(event->event), event->event);
t->cm_id, ib_event_msg(event->event), event->event);
switch (event->event) {
case IB_EVENT_CQ_ERR:
@ -1465,7 +1472,7 @@ static void smb_direct_qpair_handler(struct ib_event *event, void *context)
}
static int smb_direct_send_negotiate_response(struct smb_direct_transport *t,
int failed)
int failed)
{
struct smb_direct_sendmsg *sendmsg;
struct smb_direct_negotiate_resp *resp;
@ -1498,9 +1505,9 @@ static int smb_direct_send_negotiate_response(struct smb_direct_transport *t,
}
sendmsg->sge[0].addr = ib_dma_map_single(t->cm_id->device,
(void *)resp, sizeof(*resp), DMA_TO_DEVICE);
ret = ib_dma_mapping_error(t->cm_id->device,
sendmsg->sge[0].addr);
(void *)resp, sizeof(*resp),
DMA_TO_DEVICE);
ret = ib_dma_mapping_error(t->cm_id->device, sendmsg->sge[0].addr);
if (ret) {
smb_direct_free_sendmsg(t, sendmsg);
return ret;
@ -1517,7 +1524,7 @@ static int smb_direct_send_negotiate_response(struct smb_direct_transport *t,
}
wait_event(t->wait_send_pending,
atomic_read(&t->send_pending) == 0);
atomic_read(&t->send_pending) == 0);
return 0;
}
@ -1529,13 +1536,13 @@ static int smb_direct_accept_client(struct smb_direct_transport *t)
int ret;
memset(&conn_param, 0, sizeof(conn_param));
conn_param.initiator_depth = min_t(u8,
t->cm_id->device->attrs.max_qp_rd_atom,
SMB_DIRECT_CM_INITIATOR_DEPTH);
conn_param.initiator_depth = min_t(u8, t->cm_id->device->attrs.max_qp_rd_atom,
SMB_DIRECT_CM_INITIATOR_DEPTH);
conn_param.responder_resources = 0;
t->cm_id->device->ops.get_port_immutable(t->cm_id->device,
t->cm_id->port_num, &port_immutable);
t->cm_id->port_num,
&port_immutable);
if (port_immutable.core_cap_flags & RDMA_CORE_PORT_IWARP) {
ird_ord_hdr[0] = conn_param.responder_resources;
ird_ord_hdr[1] = 1;
@ -1590,9 +1597,9 @@ static int smb_direct_negotiate(struct smb_direct_transport *t)
ksmbd_debug(RDMA, "Waiting for SMB_DIRECT negotiate request\n");
ret = wait_event_interruptible_timeout(t->wait_status,
t->negotiation_requested ||
t->status == SMB_DIRECT_CS_DISCONNECTED,
SMB_DIRECT_NEGOTIATE_TIMEOUT * HZ);
t->negotiation_requested ||
t->status == SMB_DIRECT_CS_DISCONNECTED,
SMB_DIRECT_NEGOTIATE_TIMEOUT * HZ);
if (ret <= 0 || t->status == SMB_DIRECT_CS_DISCONNECTED) {
ret = ret < 0 ? ret : -ETIMEDOUT;
goto out;
@ -1604,9 +1611,9 @@ static int smb_direct_negotiate(struct smb_direct_transport *t)
req = (struct smb_direct_negotiate_req *)recvmsg->packet;
t->max_recv_size = min_t(int, t->max_recv_size,
le32_to_cpu(req->preferred_send_size));
le32_to_cpu(req->preferred_send_size));
t->max_send_size = min_t(int, t->max_send_size,
le32_to_cpu(req->max_receive_size));
le32_to_cpu(req->max_receive_size));
t->max_fragmented_send_size =
le32_to_cpu(req->max_fragmented_size);
@ -1618,7 +1625,7 @@ static int smb_direct_negotiate(struct smb_direct_transport *t)
}
static int smb_direct_init_params(struct smb_direct_transport *t,
struct ib_qp_cap *cap)
struct ib_qp_cap *cap)
{
struct ib_device *device = t->cm_id->device;
int max_send_sges, max_pages, max_rw_wrs, max_send_wrs;
@ -1650,30 +1657,30 @@ static int smb_direct_init_params(struct smb_direct_transport *t,
if (max_send_wrs > device->attrs.max_cqe ||
max_send_wrs > device->attrs.max_qp_wr) {
ksmbd_err("consider lowering send_credit_target = %d, or max_outstanding_rw_ops = %d\n",
smb_direct_send_credit_target,
smb_direct_max_outstanding_rw_ops);
smb_direct_send_credit_target,
smb_direct_max_outstanding_rw_ops);
ksmbd_err("Possible CQE overrun, device reporting max_cqe %d max_qp_wr %d\n",
device->attrs.max_cqe, device->attrs.max_qp_wr);
device->attrs.max_cqe, device->attrs.max_qp_wr);
return -EINVAL;
}
if (smb_direct_receive_credit_max > device->attrs.max_cqe ||
smb_direct_receive_credit_max > device->attrs.max_qp_wr) {
ksmbd_err("consider lowering receive_credit_max = %d\n",
smb_direct_receive_credit_max);
smb_direct_receive_credit_max);
ksmbd_err("Possible CQE overrun, device reporting max_cpe %d max_qp_wr %d\n",
device->attrs.max_cqe, device->attrs.max_qp_wr);
device->attrs.max_cqe, device->attrs.max_qp_wr);
return -EINVAL;
}
if (device->attrs.max_send_sge < SMB_DIRECT_MAX_SEND_SGES) {
ksmbd_err("warning: device max_send_sge = %d too small\n",
device->attrs.max_send_sge);
device->attrs.max_send_sge);
return -EINVAL;
}
if (device->attrs.max_recv_sge < SMB_DIRECT_MAX_RECV_SGES) {
ksmbd_err("warning: device max_recv_sge = %d too small\n",
device->attrs.max_recv_sge);
device->attrs.max_recv_sge);
return -EINVAL;
}
@ -1731,29 +1738,29 @@ static int smb_direct_create_pools(struct smb_direct_transport *t)
snprintf(name, sizeof(name), "smb_direct_rqst_pool_%p", t);
t->sendmsg_cache = kmem_cache_create(name,
sizeof(struct smb_direct_sendmsg) +
sizeof(struct smb_direct_negotiate_resp),
0, SLAB_HWCACHE_ALIGN, NULL);
sizeof(struct smb_direct_sendmsg) +
sizeof(struct smb_direct_negotiate_resp),
0, SLAB_HWCACHE_ALIGN, NULL);
if (!t->sendmsg_cache)
return -ENOMEM;
t->sendmsg_mempool = mempool_create(t->send_credit_target,
mempool_alloc_slab, mempool_free_slab,
t->sendmsg_cache);
mempool_alloc_slab, mempool_free_slab,
t->sendmsg_cache);
if (!t->sendmsg_mempool)
goto err;
snprintf(name, sizeof(name), "smb_direct_resp_%p", t);
t->recvmsg_cache = kmem_cache_create(name,
sizeof(struct smb_direct_recvmsg) +
t->max_recv_size,
0, SLAB_HWCACHE_ALIGN, NULL);
sizeof(struct smb_direct_recvmsg) +
t->max_recv_size,
0, SLAB_HWCACHE_ALIGN, NULL);
if (!t->recvmsg_cache)
goto err;
t->recvmsg_mempool =
mempool_create(t->recv_credit_max, mempool_alloc_slab,
mempool_free_slab, t->recvmsg_cache);
mempool_free_slab, t->recvmsg_cache);
if (!t->recvmsg_mempool)
goto err;
@ -1775,7 +1782,7 @@ static int smb_direct_create_pools(struct smb_direct_transport *t)
}
static int smb_direct_create_qpair(struct smb_direct_transport *t,
struct ib_qp_cap *cap)
struct ib_qp_cap *cap)
{
int ret;
struct ib_qp_init_attr qp_attr;
@ -1789,7 +1796,7 @@ static int smb_direct_create_qpair(struct smb_direct_transport *t,
}
t->send_cq = ib_alloc_cq(t->cm_id->device, t,
t->send_credit_target, 0, IB_POLL_WORKQUEUE);
t->send_credit_target, 0, IB_POLL_WORKQUEUE);
if (IS_ERR(t->send_cq)) {
ksmbd_err("Can't create RDMA send CQ\n");
ret = PTR_ERR(t->send_cq);
@ -1798,8 +1805,8 @@ static int smb_direct_create_qpair(struct smb_direct_transport *t,
}
t->recv_cq = ib_alloc_cq(t->cm_id->device, t,
cap->max_send_wr + cap->max_rdma_ctxs,
0, IB_POLL_WORKQUEUE);
cap->max_send_wr + cap->max_rdma_ctxs,
0, IB_POLL_WORKQUEUE);
if (IS_ERR(t->recv_cq)) {
ksmbd_err("Can't create RDMA recv CQ\n");
ret = PTR_ERR(t->recv_cq);
@ -1896,8 +1903,8 @@ static int smb_direct_handle_connect_request(struct rdma_cm_id *new_cm_id)
if (!rdma_frwr_is_supported(&new_cm_id->device->attrs)) {
ksmbd_debug(RDMA,
"Fast Registration Work Requests is not supported. device capabilities=%llx\n",
new_cm_id->device->attrs.device_cap_flags);
"Fast Registration Work Requests is not supported. device capabilities=%llx\n",
new_cm_id->device->attrs.device_cap_flags);
return -EPROTONOSUPPORT;
}
@ -1906,7 +1913,8 @@ static int smb_direct_handle_connect_request(struct rdma_cm_id *new_cm_id)
return -ENOMEM;
KSMBD_TRANS(t)->handler = kthread_run(ksmbd_conn_handler_loop,
KSMBD_TRANS(t)->conn, "ksmbd:r%u", SMB_DIRECT_PORT);
KSMBD_TRANS(t)->conn, "ksmbd:r%u",
SMB_DIRECT_PORT);
if (IS_ERR(KSMBD_TRANS(t)->handler)) {
int ret = PTR_ERR(KSMBD_TRANS(t)->handler);
@ -1919,7 +1927,7 @@ static int smb_direct_handle_connect_request(struct rdma_cm_id *new_cm_id)
}
static int smb_direct_listen_handler(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
struct rdma_cm_event *event)
{
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST: {
@ -1931,13 +1939,12 @@ static int smb_direct_listen_handler(struct rdma_cm_id *cm_id,
}
ksmbd_debug(RDMA, "Received connection request. cm_id=%p\n",
cm_id);
cm_id);
break;
}
default:
ksmbd_err("Unexpected listen event. cm_id=%p, event=%s (%d)\n",
cm_id,
rdma_event_msg(event->event), event->event);
cm_id, rdma_event_msg(event->event), event->event);
break;
}
return 0;
@ -1954,10 +1961,9 @@ static int smb_direct_listen(int port)
};
cm_id = rdma_create_id(&init_net, smb_direct_listen_handler,
&smb_direct_listener, RDMA_PS_TCP, IB_QPT_RC);
&smb_direct_listener, RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(cm_id)) {
ksmbd_err("Can't create cm id: %ld\n",
PTR_ERR(cm_id));
ksmbd_err("Can't create cm id: %ld\n", PTR_ERR(cm_id));
return PTR_ERR(cm_id);
}
@ -1993,7 +1999,7 @@ int ksmbd_rdma_init(void)
* for lack of credits
*/
smb_direct_wq = alloc_workqueue("ksmbd-smb_direct-wq",
WQ_HIGHPRI | WQ_MEM_RECLAIM, 0);
WQ_HIGHPRI | WQ_MEM_RECLAIM, 0);
if (!smb_direct_wq)
return -ENOMEM;
@ -2006,7 +2012,7 @@ int ksmbd_rdma_init(void)
}
ksmbd_debug(RDMA, "init RDMA listener. cm_id=%p\n",
smb_direct_listener.cm_id);
smb_direct_listener.cm_id);
return 0;
}

26
fs/cifsd/transport_tcp.c
View file

@ -113,7 +113,7 @@ static void free_transport(struct tcp_transport *t)
* Return: Number of IO segments
*/
static unsigned int kvec_array_init(struct kvec *new, struct kvec *iov,
unsigned int nr_segs, size_t bytes)
unsigned int nr_segs, size_t bytes)
{
size_t base = 0;
@ -197,8 +197,9 @@ static int ksmbd_tcp_new_connection(struct socket *client_sk)
}
KSMBD_TRANS(t)->handler = kthread_run(ksmbd_conn_handler_loop,
KSMBD_TRANS(t)->conn,
"ksmbd:%u", ksmbd_tcp_get_port(csin));
KSMBD_TRANS(t)->conn,
"ksmbd:%u",
ksmbd_tcp_get_port(csin));
if (IS_ERR(KSMBD_TRANS(t)->handler)) {
ksmbd_err("cannot start conn thread\n");
rc = PTR_ERR(KSMBD_TRANS(t)->handler);
@ -230,7 +231,7 @@ static int ksmbd_kthread_fn(void *p)
break;
}
ret = kernel_accept(iface->ksmbd_socket, &client_sk,
O_NONBLOCK);
O_NONBLOCK);
mutex_unlock(&iface->sock_release_lock);
if (ret) {
if (ret == -EAGAIN)
@ -265,8 +266,8 @@ static int ksmbd_tcp_run_kthread(struct interface *iface)
int rc;
struct task_struct *kthread;
kthread = kthread_run(ksmbd_kthread_fn, (void *)iface,
"ksmbd-%s", iface->name);
kthread = kthread_run(ksmbd_kthread_fn, (void *)iface, "ksmbd-%s",
iface->name);
if (IS_ERR(kthread)) {
rc = PTR_ERR(kthread);
return rc;
@ -287,7 +288,7 @@ static int ksmbd_tcp_run_kthread(struct interface *iface)
* otherwise return error number
*/
static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig,
unsigned int nr_segs, unsigned int to_read)
unsigned int nr_segs, unsigned int to_read)
{
int length = 0;
int total_read;
@ -353,7 +354,8 @@ static int ksmbd_tcp_read(struct ksmbd_transport *t, char *buf, unsigned int to_
}
static int ksmbd_tcp_writev(struct ksmbd_transport *t, struct kvec *iov,
int nvecs, int size, bool need_invalidate, unsigned int remote_key)
int nvecs, int size, bool need_invalidate,
unsigned int remote_key)
{
struct msghdr smb_msg = {.msg_flags = MSG_NOSIGNAL};
@ -401,7 +403,7 @@ static int create_socket(struct interface *iface)
if (ret) {
ksmbd_err("Can't create socket for ipv6, try ipv4: %d\n", ret);
ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP,
&ksmbd_socket);
&ksmbd_socket);
if (ret) {
ksmbd_err("Can't create socket for ipv4: %d\n", ret);
goto out_error;
@ -432,10 +434,10 @@ static int create_socket(struct interface *iface)
if (ipv4)
ret = kernel_bind(ksmbd_socket, (struct sockaddr *)&sin,
sizeof(sin));
sizeof(sin));
else
ret = kernel_bind(ksmbd_socket, (struct sockaddr *)&sin6,
sizeof(sin6));
sizeof(sin6));
if (ret) {
ksmbd_err("Failed to bind socket: %d\n", ret);
goto out_error;
@ -467,7 +469,7 @@ static int create_socket(struct interface *iface)
}
static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event,
void *ptr)
void *ptr)
{
struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
struct interface *iface;

17
fs/cifsd/unicode.c
View file

@ -27,7 +27,7 @@
* Return: string length after conversion
*/
static int smb_utf16_bytes(const __le16 *from, int maxbytes,
const struct nls_table *codepage)
const struct nls_table *codepage)
{
int i;
int charlen, outlen = 0;
@ -65,7 +65,7 @@ static int smb_utf16_bytes(const __le16 *from, int maxbytes,
*/
static int
cifs_mapchar(char *target, const __u16 src_char, const struct nls_table *cp,
bool mapchar)
bool mapchar)
{
int len = 1;
@ -156,7 +156,7 @@ static inline int is_char_allowed(char *ch)
* Return: string length after conversion
*/
static int smb_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
const struct nls_table *codepage, bool mapchar)
const struct nls_table *codepage, bool mapchar)
{
int i, charlen, safelen;
int outlen = 0;
@ -210,7 +210,7 @@ static int smb_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
* Return: string length after conversion
*/
int smb_strtoUTF16(__le16 *to, const char *from, int len,
const struct nls_table *codepage)
const struct nls_table *codepage)
{
int charlen;
int i;
@ -224,7 +224,7 @@ int smb_strtoUTF16(__le16 *to, const char *from, int len,
* in destination len is length in wchar_t units (16bits)
*/
i = utf8s_to_utf16s(from, len, UTF16_LITTLE_ENDIAN,
(wchar_t *)to, len);
(wchar_t *)to, len);
/* if success terminate and exit */
if (i >= 0)
@ -267,7 +267,8 @@ int smb_strtoUTF16(__le16 *to, const char *from, int len,
* Return: destination string buffer or error ptr
*/
char *smb_strndup_from_utf16(const char *src, const int maxlen,
const bool is_unicode, const struct nls_table *codepage)
const bool is_unicode,
const struct nls_table *codepage)
{
int len, ret;
char *dst;
@ -279,7 +280,7 @@ char *smb_strndup_from_utf16(const char *src, const int maxlen,
if (!dst)
return ERR_PTR(-ENOMEM);
ret = smb_from_utf16(dst, (__le16 *)src, len, maxlen, codepage,
false);
false);
if (ret < 0) {
kfree(dst);
return ERR_PTR(-EINVAL);
@ -318,7 +319,7 @@ char *smb_strndup_from_utf16(const char *src, const int maxlen,
* Return: char length after conversion
*/
int smbConvertToUTF16(__le16 *target, const char *source, int srclen,
const struct nls_table *cp, int mapchars)
const struct nls_table *cp, int mapchars)
{
int i, j, charlen;
char src_char;

9
fs/cifsd/unicode.h
View file

@ -63,11 +63,12 @@ extern const struct UniCaseRange CifsUniLowerRange[];
#ifdef __KERNEL__
int smb_strtoUTF16(__le16 *to, const char *from, int len,
const struct nls_table *codepage);
const struct nls_table *codepage);
char *smb_strndup_from_utf16(const char *src, const int maxlen,
const bool is_unicode, const struct nls_table *codepage);
const bool is_unicode,
const struct nls_table *codepage);
int smbConvertToUTF16(__le16 *target, const char *source, int srclen,
const struct nls_table *cp, int mapchars);
const struct nls_table *cp, int mapchars);
char *ksmbd_extract_sharename(char *treename);
#endif
@ -198,7 +199,7 @@ static inline int UniStrncmp(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
/*
* UniStrncmp_le: Compare length limited string - native to little-endian
*/
static inline int
static inline int
UniStrncmp_le(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
{
if (!n)

196
fs/cifsd/vfs.c
View file

@ -52,7 +52,8 @@ static char *extract_last_component(char *path)
}
static void ksmbd_vfs_inherit_owner(struct ksmbd_work *work,
struct inode *parent_inode, struct inode *inode)
struct inode *parent_inode,
struct inode *inode)
{
if (!test_share_config_flag(work->tcon->share_conf,
KSMBD_SHARE_FLAG_INHERIT_OWNER))
@ -84,7 +85,7 @@ int ksmbd_vfs_inode_permission(struct dentry *dentry, int acc_mode, bool delete)
parent = dget_parent(dentry);
inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
child = lookup_one_len(dentry->d_name.name, parent,
dentry->d_name.len);
dentry->d_name.len);
if (IS_ERR(child)) {
ret = PTR_ERR(child);
goto out_lock;
@ -130,7 +131,7 @@ int ksmbd_vfs_query_maximal_access(struct dentry *dentry, __le32 *daccess)
parent = dget_parent(dentry);
inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
child = lookup_one_len(dentry->d_name.name, parent,
dentry->d_name.len);
dentry->d_name.len);
if (IS_ERR(child)) {
ret = PTR_ERR(child);
goto out_lock;
@ -171,7 +172,7 @@ int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode)
err = PTR_ERR(dentry);
if (err != -ENOENT)
ksmbd_err("path create failed for %s, err %d\n",
name, err);
name, err);
return err;
}
@ -179,7 +180,7 @@ int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode)
err = vfs_create(&init_user_ns, d_inode(path.dentry), dentry, mode, true);
if (!err) {
ksmbd_vfs_inherit_owner(work, d_inode(path.dentry),
d_inode(dentry));
d_inode(dentry));
} else {
ksmbd_err("File(%s): creation failed (err:%d)\n", name, err);
}
@ -206,7 +207,7 @@ int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode)
err = PTR_ERR(dentry);
if (err != -EEXIST)
ksmbd_debug(VFS, "path create failed for %s, err %d\n",
name, err);
name, err);
return err;
}
@ -217,9 +218,8 @@ int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode)
} else if (d_unhashed(dentry)) {
struct dentry *d;
d = lookup_one_len(dentry->d_name.name,
dentry->d_parent,
dentry->d_name.len);
d = lookup_one_len(dentry->d_name.name, dentry->d_parent,
dentry->d_name.len);
if (IS_ERR(d)) {
err = PTR_ERR(d);
goto out;
@ -230,8 +230,7 @@ int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode)
goto out;
}
ksmbd_vfs_inherit_owner(work, d_inode(path.dentry),
d_inode(d));
ksmbd_vfs_inherit_owner(work, d_inode(path.dentry), d_inode(d));
dput(d);
}
out:
@ -242,7 +241,7 @@ int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode)
}
static ssize_t ksmbd_vfs_getcasexattr(struct dentry *dentry, char *attr_name,
int attr_name_len, char **attr_value)
int attr_name_len, char **attr_value)
{
char *name, *xattr_list = NULL;
ssize_t value_len = -ENOENT, xattr_list_len;
@ -271,14 +270,14 @@ static ssize_t ksmbd_vfs_getcasexattr(struct dentry *dentry, char *attr_name,
}
static int ksmbd_vfs_stream_read(struct ksmbd_file *fp, char *buf, loff_t *pos,
size_t count)
size_t count)
{
ssize_t v_len;
char *stream_buf = NULL;
int err;
ksmbd_debug(VFS, "read stream data pos : %llu, count : %zd\n",
*pos, count);
*pos, count);
v_len = ksmbd_vfs_getcasexattr(fp->filp->f_path.dentry,
fp->stream.name,
@ -304,7 +303,7 @@ static int ksmbd_vfs_stream_read(struct ksmbd_file *fp, char *buf, loff_t *pos,
* Return: 0 on success, otherwise error
*/
static int check_lock_range(struct file *filp, loff_t start, loff_t end,
unsigned char type)
unsigned char type)
{
struct file_lock *flock;
struct file_lock_context *ctx = file_inode(filp)->i_flctx;
@ -348,7 +347,7 @@ static int check_lock_range(struct file *filp, loff_t start, loff_t end,
* Return: number of read bytes on success, otherwise error
*/
int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp, size_t count,
loff_t *pos)
loff_t *pos)
{
struct file *filp;
ssize_t nbytes = 0;
@ -377,8 +376,7 @@ int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp, size_t count,
if (!work->tcon->posix_extensions) {
int ret;
ret = check_lock_range(filp, *pos, *pos + count - 1,
READ);
ret = check_lock_range(filp, *pos, *pos + count - 1, READ);
if (ret) {
ksmbd_err("unable to read due to lock\n");
return -EAGAIN;
@ -388,7 +386,7 @@ int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp, size_t count,
nbytes = kernel_read(filp, rbuf, count, pos);
if (nbytes < 0) {
ksmbd_err("smb read failed for (%s), err = %zd\n",
fp->filename, nbytes);
fp->filename, nbytes);
return nbytes;
}
@ -397,14 +395,14 @@ int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp, size_t count,
}
static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
size_t count)
size_t count)
{
char *stream_buf = NULL, *wbuf;
size_t size, v_len;
int err = 0;
ksmbd_debug(VFS, "write stream data pos : %llu, count : %zd\n",
*pos, count);
*pos, count);
size = *pos + count;
if (size > XATTR_SIZE_MAX) {
@ -464,8 +462,8 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
* Return: 0 on success, otherwise error
*/
int ksmbd_vfs_write(struct ksmbd_work *work, struct ksmbd_file *fp,
char *buf, size_t count, loff_t *pos, bool sync,
ssize_t *written)
char *buf, size_t count, loff_t *pos, bool sync,
ssize_t *written)
{
struct ksmbd_session *sess = work->sess;
struct file *filp;
@ -514,7 +512,7 @@ int ksmbd_vfs_write(struct ksmbd_work *work, struct ksmbd_file *fp,
err = vfs_fsync_range(filp, offset, offset + *written, 0);
if (err < 0)
ksmbd_err("fsync failed for filename = %s, err = %d\n",
FP_FILENAME(fp), err);
FP_FILENAME(fp), err);
}
out:
@ -588,11 +586,11 @@ int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name)
parent = dget_parent(path.dentry);
inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
dentry = lookup_one_len(path.dentry->d_name.name, parent,
strlen(path.dentry->d_name.name));
strlen(path.dentry->d_name.name));
if (IS_ERR(dentry)) {
err = PTR_ERR(dentry);
ksmbd_debug(VFS, "%s: lookup failed, err %d\n",
path.dentry->d_name.name, err);
path.dentry->d_name.name, err);
goto out_err;
}
@ -606,12 +604,12 @@ int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name)
err = vfs_rmdir(&init_user_ns, d_inode(parent), dentry);
if (err && err != -ENOTEMPTY)
ksmbd_debug(VFS, "%s: rmdir failed, err %d\n", name,
err);
err);
} else {
err = vfs_unlink(&init_user_ns, d_inode(parent), dentry, NULL);
if (err)
ksmbd_debug(VFS, "%s: unlink failed, err %d\n", name,
err);
err);
}
dput(dentry);
@ -631,7 +629,7 @@ int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name)
* Return: 0 on success, otherwise error
*/
int ksmbd_vfs_link(struct ksmbd_work *work, const char *oldname,
const char *newname)
const char *newname)
{
struct path oldpath, newpath;
struct dentry *dentry;
@ -643,12 +641,12 @@ int ksmbd_vfs_link(struct ksmbd_work *work, const char *oldname,
err = kern_path(oldname, LOOKUP_FOLLOW, &oldpath);
if (err) {
ksmbd_err("cannot get linux path for %s, err = %d\n",
oldname, err);
oldname, err);
goto out1;
}
dentry = kern_path_create(AT_FDCWD, newname, &newpath,
LOOKUP_FOLLOW | LOOKUP_REVAL);
LOOKUP_FOLLOW | LOOKUP_REVAL);
if (IS_ERR(dentry)) {
err = PTR_ERR(dentry);
ksmbd_err("path create err for %s, err %d\n", newname, err);
@ -662,7 +660,7 @@ int ksmbd_vfs_link(struct ksmbd_work *work, const char *oldname,
}
err = vfs_link(oldpath.dentry, &init_user_ns, d_inode(newpath.dentry),
dentry, NULL);
dentry, NULL);
if (err)
ksmbd_debug(VFS, "vfs_link failed err %d\n", err);
@ -676,9 +674,11 @@ int ksmbd_vfs_link(struct ksmbd_work *work, const char *oldname,
}
static int __ksmbd_vfs_rename(struct ksmbd_work *work,
struct dentry *src_dent_parent, struct dentry *src_dent,
struct dentry *dst_dent_parent, struct dentry *trap_dent,
char *dst_name)
struct dentry *src_dent_parent,
struct dentry *src_dent,
struct dentry *dst_dent_parent,
struct dentry *trap_dent,
char *dst_name)
{
struct dentry *dst_dent;
int err;
@ -742,7 +742,7 @@ static int __ksmbd_vfs_rename(struct ksmbd_work *work,
}
int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
char *newname)
char *newname)
{
struct path dst_path;
struct dentry *src_dent_parent, *dst_dent_parent;
@ -768,7 +768,7 @@ int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
dget(src_dent);
dget(dst_dent_parent);
src_child = lookup_one_len(src_dent->d_name.name, src_dent_parent,
src_dent->d_name.len);
src_dent->d_name.len);
if (IS_ERR(src_child)) {
err = PTR_ERR(src_child);
goto out_lock;
@ -807,7 +807,7 @@ int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
* Return: 0 on success, otherwise error
*/
int ksmbd_vfs_truncate(struct ksmbd_work *work, const char *name,
struct ksmbd_file *fp, loff_t size)
struct ksmbd_file *fp, loff_t size)
{
struct path path;
int err = 0;
@ -816,13 +816,13 @@ int ksmbd_vfs_truncate(struct ksmbd_work *work, const char *name,
err = kern_path(name, 0, &path);
if (err) {
ksmbd_err("cannot get linux path for %s, err %d\n",
name, err);
name, err);
return err;
}
err = vfs_truncate(&path, size);
if (err)
ksmbd_err("truncate failed for %s err %d\n",
name, err);
name, err);
path_put(&path);
} else {
struct file *filp;
@ -837,10 +837,10 @@ int ksmbd_vfs_truncate(struct ksmbd_work *work, const char *name,
if (size < inode->i_size) {
err = check_lock_range(filp, size,
inode->i_size - 1, WRITE);
inode->i_size - 1, WRITE);
} else {
err = check_lock_range(filp, inode->i_size,
size - 1, WRITE);
size - 1, WRITE);
}
if (err) {
@ -852,7 +852,7 @@ int ksmbd_vfs_truncate(struct ksmbd_work *work, const char *name,
err = vfs_truncate(&filp->f_path, size);
if (err)
ksmbd_err("truncate failed for filename : %s err %d\n",
fp->filename, err);
fp->filename, err);
}
return err;
@ -904,7 +904,7 @@ static ssize_t ksmbd_vfs_xattr_len(struct dentry *dentry, char *xattr_name)
* Return: read xattr value length on success, otherwise error
*/
ssize_t ksmbd_vfs_getxattr(struct dentry *dentry, char *xattr_name,
char **xattr_buf)
char **xattr_buf)
{
ssize_t xattr_len;
char *buf;
@ -938,7 +938,7 @@ ssize_t ksmbd_vfs_getxattr(struct dentry *dentry, char *xattr_name,
* Return: 0 on success, otherwise error
*/
int ksmbd_vfs_setxattr(struct dentry *dentry, const char *attr_name,
const void *attr_value, size_t attr_size, int flags)
const void *attr_value, size_t attr_size, int flags)
{
int err;
@ -988,8 +988,7 @@ void ksmbd_vfs_set_fadvise(struct file *filp, __le32 option)
*
* Return: 0 on success, otherwise error
*/
int ksmbd_vfs_lock(struct file *filp, int cmd,
struct file_lock *flock)
int ksmbd_vfs_lock(struct file *filp, int cmd, struct file_lock *flock)
{
ksmbd_debug(VFS, "calling vfs_lock_file\n");
return vfs_lock_file(filp, cmd, flock, NULL);
@ -1001,26 +1000,27 @@ int ksmbd_vfs_readdir(struct file *file, struct ksmbd_readdir_data *rdata)
}
int ksmbd_vfs_alloc_size(struct ksmbd_work *work, struct ksmbd_file *fp,
loff_t len)
loff_t len)
{
smb_break_all_levII_oplock(work, fp, 1);
return vfs_fallocate(fp->filp, FALLOC_FL_KEEP_SIZE, 0, len);
}
int ksmbd_vfs_zero_data(struct ksmbd_work *work, struct ksmbd_file *fp,
loff_t off, loff_t len)
loff_t off, loff_t len)
{
smb_break_all_levII_oplock(work, fp, 1);
if (fp->f_ci->m_fattr & ATTR_SPARSE_FILE_LE)
return vfs_fallocate(fp->filp,
FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, off, len);
FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
off, len);
return vfs_fallocate(fp->filp, FALLOC_FL_ZERO_RANGE, off, len);
}
int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
struct file_allocated_range_buffer *ranges,
int in_count, int *out_count)
struct file_allocated_range_buffer *ranges,
int in_count, int *out_count)
{
struct file *f = fp->filp;
struct inode *inode = FP_INODE(fp);
@ -1087,8 +1087,7 @@ int ksmbd_vfs_unlink(struct dentry *dir, struct dentry *dentry)
inode_lock_nested(d_inode(dir), I_MUTEX_PARENT);
dget(dentry);
child = lookup_one_len(dentry->d_name.name, dir,
dentry->d_name.len);
child = lookup_one_len(dentry->d_name.name, dir, dentry->d_name.len);
if (IS_ERR(child)) {
err = PTR_ERR(child);
goto out;
@ -1143,7 +1142,7 @@ unsigned short ksmbd_vfs_logical_sector_size(struct inode *inode)
* @fs_ss: fs sector size struct
*/
void ksmbd_vfs_smb2_sector_size(struct inode *inode,
struct ksmbd_fs_sector_size *fs_ss)
struct ksmbd_fs_sector_size *fs_ss)
{
struct request_queue *q;
@ -1169,7 +1168,7 @@ void ksmbd_vfs_smb2_sector_size(struct inode *inode,
}
static int __dir_empty(struct dir_context *ctx, const char *name, int namlen,
loff_t offset, u64 ino, unsigned int d_type)
loff_t offset, u64 ino, unsigned int d_type)
{
struct ksmbd_readdir_data *buf;
@ -1206,7 +1205,8 @@ int ksmbd_vfs_empty_dir(struct ksmbd_file *fp)
}
static int __caseless_lookup(struct dir_context *ctx, const char *name,
int namlen, loff_t offset, u64 ino, unsigned int d_type)
int namlen, loff_t offset, u64 ino,
unsigned int d_type)
{
struct ksmbd_readdir_data *buf;
@ -1263,7 +1263,7 @@ static int ksmbd_vfs_lookup_in_dir(struct path *dir, char *name, size_t namelen)
* Return: 0 on success, otherwise error
*/
int ksmbd_vfs_kern_path(char *name, unsigned int flags, struct path *path,
bool caseless)
bool caseless)
{
int err;
@ -1346,7 +1346,7 @@ int ksmbd_vfs_remove_acl_xattrs(struct dentry *dentry)
}
for (name = xattr_list; name - xattr_list < xattr_list_len;
name += strlen(name) + 1) {
name += strlen(name) + 1) {
ksmbd_debug(SMB, "%s, len %zd\n", name, strlen(name));
if (!strncmp(name, XATTR_NAME_POSIX_ACL_ACCESS,
@ -1356,7 +1356,7 @@ int ksmbd_vfs_remove_acl_xattrs(struct dentry *dentry)
err = ksmbd_vfs_remove_xattr(dentry, name);
if (err)
ksmbd_debug(SMB,
"remove acl xattr failed : %s\n", name);
"remove acl xattr failed : %s\n", name);
}
}
out:
@ -1394,7 +1394,7 @@ int ksmbd_vfs_remove_sd_xattrs(struct dentry *dentry)
}
static struct xattr_smb_acl *ksmbd_vfs_make_xattr_posix_acl(struct inode *inode,
int acl_type)
int acl_type)
{
struct xattr_smb_acl *smb_acl = NULL;
struct posix_acl *posix_acls;
@ -1455,7 +1455,7 @@ static struct xattr_smb_acl *ksmbd_vfs_make_xattr_posix_acl(struct inode *inode,
}
int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
struct smb_ntsd *pntsd, int len)
struct smb_ntsd *pntsd, int len)
{
int rc;
struct ndr sd_ndr = {0}, acl_ndr = {0};
@ -1489,7 +1489,7 @@ int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
smb_acl = ksmbd_vfs_make_xattr_posix_acl(inode, ACL_TYPE_ACCESS);
if (S_ISDIR(inode->i_mode))
def_smb_acl = ksmbd_vfs_make_xattr_posix_acl(inode,
ACL_TYPE_DEFAULT);
ACL_TYPE_DEFAULT);
rc = ndr_encode_posix_acl(&acl_ndr, inode, smb_acl, def_smb_acl);
if (rc) {
@ -1498,7 +1498,7 @@ int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
}
rc = ksmbd_gen_sd_hash(conn, acl_ndr.data, acl_ndr.offset,
acl.posix_acl_hash);
acl.posix_acl_hash);
if (rc) {
ksmbd_err("failed to generate hash for ndr acl\n");
goto out;
@ -1511,7 +1511,7 @@ int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
}
rc = ksmbd_vfs_setxattr(dentry, XATTR_NAME_SD, sd_ndr.data,
sd_ndr.offset, 0);
sd_ndr.offset, 0);
if (rc < 0)
ksmbd_err("Failed to store XATTR ntacl :%d\n", rc);
@ -1524,7 +1524,7 @@ int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
}
int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
struct smb_ntsd **pntsd)
struct smb_ntsd **pntsd)
{
int rc;
struct ndr n;
@ -1543,10 +1543,10 @@ int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
return rc;
smb_acl = ksmbd_vfs_make_xattr_posix_acl(inode,
ACL_TYPE_ACCESS);
ACL_TYPE_ACCESS);
if (S_ISDIR(inode->i_mode))
def_smb_acl = ksmbd_vfs_make_xattr_posix_acl(inode,
ACL_TYPE_DEFAULT);
ACL_TYPE_DEFAULT);
rc = ndr_encode_posix_acl(&acl_ndr, inode, smb_acl, def_smb_acl);
if (rc) {
@ -1555,7 +1555,7 @@ int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
}
rc = ksmbd_gen_sd_hash(conn, acl_ndr.data, acl_ndr.offset,
cmp_hash);
cmp_hash);
if (rc) {
ksmbd_err("failed to generate hash for ndr acl\n");
goto out;
@ -1587,7 +1587,7 @@ int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
}
int ksmbd_vfs_set_dos_attrib_xattr(struct dentry *dentry,
struct xattr_dos_attrib *da)
struct xattr_dos_attrib *da)
{
struct ndr n;
int err;
@ -1596,11 +1596,8 @@ int ksmbd_vfs_set_dos_attrib_xattr(struct dentry *dentry,
if (err)
return err;
err = ksmbd_vfs_setxattr(dentry,
XATTR_NAME_DOS_ATTRIBUTE,
(void *)n.data,
n.offset,
0);
err = ksmbd_vfs_setxattr(dentry, XATTR_NAME_DOS_ATTRIBUTE,
(void *)n.data, n.offset, 0);
if (err)
ksmbd_debug(SMB, "failed to store dos attribute in xattr\n");
kfree(n.data);
@ -1609,14 +1606,13 @@ int ksmbd_vfs_set_dos_attrib_xattr(struct dentry *dentry,
}
int ksmbd_vfs_get_dos_attrib_xattr(struct dentry *dentry,
struct xattr_dos_attrib *da)
struct xattr_dos_attrib *da)
{
struct ndr n;
int err;
err = ksmbd_vfs_getxattr(dentry,
XATTR_NAME_DOS_ATTRIBUTE,
(char **)&n.data);
err = ksmbd_vfs_getxattr(dentry, XATTR_NAME_DOS_ATTRIBUTE,
(char **)&n.data);
if (err > 0) {
n.length = err;
if (ndr_decode_dos_attr(&n, da))
@ -1648,7 +1644,7 @@ struct posix_acl *ksmbd_vfs_get_acl(struct inode *inode, int type)
}
int ksmbd_vfs_set_posix_acl(struct inode *inode, int type,
struct posix_acl *acl)
struct posix_acl *acl)
{
#if IS_ENABLED(CONFIG_FS_POSIX_ACL)
return set_posix_acl(&init_user_ns, inode, type, acl);
@ -1690,7 +1686,7 @@ void *ksmbd_vfs_init_kstat(char **p, struct ksmbd_kstat *ksmbd_kstat)
}
int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work, struct dentry *dentry,
struct ksmbd_kstat *ksmbd_kstat)
struct ksmbd_kstat *ksmbd_kstat)
{
u64 time;
int rc;
@ -1726,7 +1722,7 @@ int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work, struct dentry *dentry,
}
ssize_t ksmbd_vfs_casexattr_len(struct dentry *dentry, char *attr_name,
int attr_name_len)
int attr_name_len)
{
char *name, *xattr_list = NULL;
ssize_t value_len = -ENOENT, xattr_list_len;
@ -1751,7 +1747,7 @@ ssize_t ksmbd_vfs_casexattr_len(struct dentry *dentry, char *attr_name,
}
int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
size_t *xattr_stream_name_size, int s_type)
size_t *xattr_stream_name_size, int s_type)
{
int stream_name_size;
char *xattr_stream_name_buf;
@ -1767,18 +1763,15 @@ int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
stream_name_size = strlen(stream_name);
*xattr_stream_name_size = stream_name_size + XATTR_NAME_STREAM_LEN + 1;
xattr_stream_name_buf = kmalloc(*xattr_stream_name_size + type_len,
GFP_KERNEL);
GFP_KERNEL);
if (!xattr_stream_name_buf)
return -ENOMEM;
memcpy(xattr_stream_name_buf,
XATTR_NAME_STREAM,
XATTR_NAME_STREAM_LEN);
memcpy(xattr_stream_name_buf, XATTR_NAME_STREAM, XATTR_NAME_STREAM_LEN);
if (stream_name_size) {
memcpy(&xattr_stream_name_buf[XATTR_NAME_STREAM_LEN],
stream_name,
stream_name_size);
stream_name, stream_name_size);
}
memcpy(&xattr_stream_name_buf[*xattr_stream_name_size - 1], type, type_len);
*xattr_stream_name_size += type_len;
@ -1790,7 +1783,7 @@ int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
}
int ksmbd_vfs_copy_file_range(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out, size_t len)
struct file *file_out, loff_t pos_out, size_t len)
{
struct inode *inode_in = file_inode(file_in);
struct inode *inode_out = file_inode(file_out);
@ -1820,7 +1813,7 @@ int ksmbd_vfs_copy_file_range(struct file *file_in, loff_t pos_in,
* in do_splice_direct
*/
ret = do_splice_direct(file_in, &pos_in, file_out, &pos_out,
len > MAX_RW_COUNT ? MAX_RW_COUNT : len, 0);
len > MAX_RW_COUNT ? MAX_RW_COUNT : len, 0);
if (ret > 0) {
fsnotify_access(file_in);
add_rchar(current, ret);
@ -1836,10 +1829,13 @@ int ksmbd_vfs_copy_file_range(struct file *file_in, loff_t pos_in,
}
int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work,
struct ksmbd_file *src_fp, struct ksmbd_file *dst_fp,
struct srv_copychunk *chunks, unsigned int chunk_count,
unsigned int *chunk_count_written,
unsigned int *chunk_size_written, loff_t *total_size_written)
struct ksmbd_file *src_fp,
struct ksmbd_file *dst_fp,
struct srv_copychunk *chunks,
unsigned int chunk_count,
unsigned int *chunk_count_written,
unsigned int *chunk_size_written,
loff_t *total_size_written)
{
unsigned int i;
loff_t src_off, dst_off, src_file_size;
@ -1890,7 +1886,7 @@ int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work,
return -E2BIG;
ret = ksmbd_vfs_copy_file_range(src_fp->filp, src_off,
dst_fp->filp, dst_off, len);
dst_fp->filp, dst_off, len);
if (ret < 0)
return ret;
@ -1949,13 +1945,13 @@ int ksmbd_vfs_set_init_posix_acl(struct inode *inode)
rc = ksmbd_vfs_set_posix_acl(inode, ACL_TYPE_ACCESS, acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_ACCESS) failed, rc : %d\n",
rc);
rc);
else if (S_ISDIR(inode->i_mode)) {
posix_state_to_acl(&acl_state, acls->a_entries);
rc = ksmbd_vfs_set_posix_acl(inode, ACL_TYPE_DEFAULT, acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_DEFAULT) failed, rc : %d\n",
rc);
rc);
}
free_acl_state(&acl_state);
posix_acl_release(acls);
@ -1983,12 +1979,12 @@ int ksmbd_vfs_inherit_posix_acl(struct inode *inode, struct inode *parent_inode)
rc = ksmbd_vfs_set_posix_acl(inode, ACL_TYPE_ACCESS, acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_ACCESS) failed, rc : %d\n",
rc);
rc);
if (S_ISDIR(inode->i_mode)) {
rc = ksmbd_vfs_set_posix_acl(inode, ACL_TYPE_DEFAULT, acls);
if (rc < 0)
ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_DEFAULT) failed, rc : %d\n",
rc);
rc);
}
posix_acl_release(acls);
return rc;

65
fs/cifsd/vfs.h
View file

@ -191,84 +191,85 @@ struct ksmbd_fs_sector_size {
};
int ksmbd_vfs_inode_permission(struct dentry *dentry, int acc_mode,
bool delete);
bool delete);
int ksmbd_vfs_query_maximal_access(struct dentry *dentry, __le32 *daccess);
int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode);
int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode);
int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp,
size_t count, loff_t *pos);
size_t count, loff_t *pos);
int ksmbd_vfs_write(struct ksmbd_work *work, struct ksmbd_file *fp,
char *buf, size_t count, loff_t *pos, bool sync,
ssize_t *written);
char *buf, size_t count, loff_t *pos, bool sync,
ssize_t *written);
int ksmbd_vfs_fsync(struct ksmbd_work *work, u64 fid, u64 p_id);
int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name);
int ksmbd_vfs_link(struct ksmbd_work *work,
const char *oldname, const char *newname);
const char *oldname, const char *newname);
int ksmbd_vfs_getattr(struct path *path, struct kstat *stat);
int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp,
char *newname);
char *newname);
int ksmbd_vfs_truncate(struct ksmbd_work *work, const char *name,
struct ksmbd_file *fp, loff_t size);
struct ksmbd_file *fp, loff_t size);
struct srv_copychunk;
int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work,
struct ksmbd_file *src_fp, struct ksmbd_file *dst_fp,
struct srv_copychunk *chunks, unsigned int chunk_count,
unsigned int *chunk_count_written,
unsigned int *chunk_size_written, loff_t *total_size_written);
struct ksmbd_file *src_fp,
struct ksmbd_file *dst_fp,
struct srv_copychunk *chunks,
unsigned int chunk_count,
unsigned int *chunk_count_written,
unsigned int *chunk_size_written,
loff_t *total_size_written);
int ksmbd_vfs_copy_file_range(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out, size_t len);
struct file *file_out, loff_t pos_out,
size_t len);
ssize_t ksmbd_vfs_listxattr(struct dentry *dentry, char **list);
ssize_t ksmbd_vfs_getxattr(struct dentry *dentry, char *xattr_name,
char **xattr_buf);
char **xattr_buf);
ssize_t ksmbd_vfs_casexattr_len(struct dentry *dentry, char *attr_name,
int attr_name_len);
int attr_name_len);
int ksmbd_vfs_setxattr(struct dentry *dentry, const char *attr_name,
const void *attr_value, size_t attr_size, int flags);
const void *attr_value, size_t attr_size, int flags);
int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
size_t *xattr_stream_name_size, int s_type);
size_t *xattr_stream_name_size, int s_type);
int ksmbd_vfs_remove_xattr(struct dentry *dentry, char *attr_name);
int ksmbd_vfs_kern_path(char *name, unsigned int flags, struct path *path,
bool caseless);
bool caseless);
int ksmbd_vfs_empty_dir(struct ksmbd_file *fp);
void ksmbd_vfs_set_fadvise(struct file *filp, __le32 option);
int ksmbd_vfs_lock(struct file *filp, int cmd, struct file_lock *flock);
int ksmbd_vfs_readdir(struct file *file, struct ksmbd_readdir_data *rdata);
int ksmbd_vfs_alloc_size(struct ksmbd_work *work, struct ksmbd_file *fp,
loff_t len);
loff_t len);
int ksmbd_vfs_zero_data(struct ksmbd_work *work, struct ksmbd_file *fp,
loff_t off, loff_t len);
loff_t off, loff_t len);
struct file_allocated_range_buffer;
int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
struct file_allocated_range_buffer *ranges,
int in_count, int *out_count);
struct file_allocated_range_buffer *ranges,
int in_count, int *out_count);
int ksmbd_vfs_unlink(struct dentry *dir, struct dentry *dentry);
unsigned short ksmbd_vfs_logical_sector_size(struct inode *inode);
void ksmbd_vfs_smb2_sector_size(struct inode *inode,
struct ksmbd_fs_sector_size *fs_ss);
struct ksmbd_fs_sector_size *fs_ss);
void *ksmbd_vfs_init_kstat(char **p, struct ksmbd_kstat *ksmbd_kstat);
int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work, struct dentry *dentry,
struct ksmbd_kstat *ksmbd_kstat);
struct ksmbd_kstat *ksmbd_kstat);
int ksmbd_vfs_posix_lock_wait(struct file_lock *flock);
int ksmbd_vfs_posix_lock_wait_timeout(struct file_lock *flock, long timeout);
void ksmbd_vfs_posix_lock_unblock(struct file_lock *flock);
int ksmbd_vfs_remove_acl_xattrs(struct dentry *dentry);
int ksmbd_vfs_remove_sd_xattrs(struct dentry *dentry);
int ksmbd_vfs_set_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
struct smb_ntsd *pntsd, int len);
struct smb_ntsd *pntsd, int len);
int ksmbd_vfs_get_sd_xattr(struct ksmbd_conn *conn, struct dentry *dentry,
struct smb_ntsd **pntsd);
struct smb_ntsd **pntsd);
int ksmbd_vfs_set_dos_attrib_xattr(struct dentry *dentry,
struct xattr_dos_attrib *da);
struct xattr_dos_attrib *da);
int ksmbd_vfs_get_dos_attrib_xattr(struct dentry *dentry,
struct xattr_dos_attrib *da);
struct xattr_dos_attrib *da);
struct posix_acl *ksmbd_vfs_posix_acl_alloc(int count, gfp_t flags);
struct posix_acl *ksmbd_vfs_get_acl(struct inode *inode, int type);
int ksmbd_vfs_set_posix_acl(struct inode *inode, int type,
struct posix_acl *acl);
struct posix_acl *acl);
int ksmbd_vfs_set_init_posix_acl(struct inode *inode);
int ksmbd_vfs_inherit_posix_acl(struct inode *inode,
struct inode *parent_inode);
struct inode *parent_inode);
#endif /* __KSMBD_VFS_H__ */

14
fs/cifsd/vfs_cache.c
View file

@ -255,7 +255,7 @@ static void __ksmbd_inode_close(struct ksmbd_file *fp)
fp->stream.name);
if (err)
ksmbd_err("remove xattr failed : %s\n",
fp->stream.name);
fp->stream.name);
}
if (atomic_dec_and_test(&ci->m_count)) {
@ -326,7 +326,7 @@ static struct ksmbd_file *ksmbd_fp_get(struct ksmbd_file *fp)
}
static struct ksmbd_file *__ksmbd_lookup_fd(struct ksmbd_file_table *ft,
unsigned int id)
unsigned int id)
{
struct ksmbd_file *fp;
@ -350,7 +350,7 @@ static void set_close_state_blocked_works(struct ksmbd_file *fp)
spin_lock(&fp->f_lock);
list_for_each_entry_safe(cancel_work, ctmp, &fp->blocked_works,
fp_entry) {
fp_entry) {
list_del(&cancel_work->fp_entry);
cancel_work->state = KSMBD_WORK_CLOSED;
cancel_work->cancel_fn(cancel_work->cancel_argv);
@ -420,7 +420,7 @@ struct ksmbd_file *ksmbd_lookup_fd_fast(struct ksmbd_work *work, unsigned int id
}
struct ksmbd_file *ksmbd_lookup_fd_slow(struct ksmbd_work *work, unsigned int id,
unsigned int pid)
unsigned int pid)
{
struct ksmbd_file *fp;
@ -577,8 +577,10 @@ struct ksmbd_file *ksmbd_open_fd(struct ksmbd_work *work, struct file *filp)
}
static int
__close_file_table_ids(struct ksmbd_file_table *ft, struct ksmbd_tree_connect *tcon,
bool (*skip)(struct ksmbd_tree_connect *tcon, struct ksmbd_file *fp))
__close_file_table_ids(struct ksmbd_file_table *ft,
struct ksmbd_tree_connect *tcon,
bool (*skip)(struct ksmbd_tree_connect *tcon,
struct ksmbd_file *fp))
{
unsigned int id;
struct ksmbd_file *fp;

2
fs/cifsd/vfs_cache.h
View file

@ -149,7 +149,7 @@ int ksmbd_close_fd(struct ksmbd_work *work, unsigned int id);
struct ksmbd_file *ksmbd_lookup_fd_fast(struct ksmbd_work *work, unsigned int id);
struct ksmbd_file *ksmbd_lookup_foreign_fd(struct ksmbd_work *work, unsigned int id);
struct ksmbd_file *ksmbd_lookup_fd_slow(struct ksmbd_work *work, unsigned int id,
unsigned int pid);
unsigned int pid);
void ksmbd_fd_put(struct ksmbd_work *work, struct ksmbd_file *fp);
struct ksmbd_file *ksmbd_lookup_durable_fd(unsigned long long id);
struct ksmbd_file *ksmbd_lookup_fd_cguid(char *cguid);