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ksmbd: change LeaseKey data type to u8 array 

cifs define LeaseKey as u8 array in structure. To move lease structure
to smbfs_common, ksmbd change LeaseKey data type to u8 array.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-09-09 12:28:18 +09:00 committed by Steve French
parent 2dd9129f7d
commit 2734b692f7
3 changed files with 14 additions and 23 deletions
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24
fs/ksmbd/oplock.c
View File

@ -1335,19 +1335,16 @@ __u8 smb2_map_lease_to_oplock(__le32 lease_state)
*/
void create_lease_buf(u8 *rbuf, struct lease *lease)
{
char *LeaseKey = (char *)&lease->lease_key;
if (lease->version == 2) {
struct create_lease_v2 *buf = (struct create_lease_v2 *)rbuf;
char *ParentLeaseKey = (char *)&lease->parent_lease_key;
memset(buf, 0, sizeof(struct create_lease_v2));
buf->lcontext.LeaseKeyLow = *((__le64 *)LeaseKey);
buf->lcontext.LeaseKeyHigh = *((__le64 *)(LeaseKey + 8));
memcpy(buf->lcontext.LeaseKey, lease->lease_key,
SMB2_LEASE_KEY_SIZE);
buf->lcontext.LeaseFlags = lease->flags;
buf->lcontext.LeaseState = lease->state;
buf->lcontext.ParentLeaseKeyLow = *((__le64 *)ParentLeaseKey);
buf->lcontext.ParentLeaseKeyHigh = *((__le64 *)(ParentLeaseKey + 8));
memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key,
SMB2_LEASE_KEY_SIZE);
buf->ccontext.DataOffset = cpu_to_le16(offsetof
(struct create_lease_v2, lcontext));
buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2));
@ -1362,8 +1359,7 @@ void create_lease_buf(u8 *rbuf, struct lease *lease)
struct create_lease *buf = (struct create_lease *)rbuf;
memset(buf, 0, sizeof(struct create_lease));
buf->lcontext.LeaseKeyLow = *((__le64 *)LeaseKey);
buf->lcontext.LeaseKeyHigh = *((__le64 *)(LeaseKey + 8));
memcpy(buf->lcontext.LeaseKey, lease->lease_key, SMB2_LEASE_KEY_SIZE);
buf->lcontext.LeaseFlags = lease->flags;
buf->lcontext.LeaseState = lease->state;
buf->ccontext.DataOffset = cpu_to_le16(offsetof
@ -1416,19 +1412,17 @@ struct lease_ctx_info *parse_lease_state(void *open_req)
if (sizeof(struct lease_context_v2) == le32_to_cpu(cc->DataLength)) {
struct create_lease_v2 *lc = (struct create_lease_v2 *)cc;
*((__le64 *)lreq->lease_key) = lc->lcontext.LeaseKeyLow;
*((__le64 *)(lreq->lease_key + 8)) = lc->lcontext.LeaseKeyHigh;
memcpy(lreq->lease_key, lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE);
lreq->req_state = lc->lcontext.LeaseState;
lreq->flags = lc->lcontext.LeaseFlags;
lreq->duration = lc->lcontext.LeaseDuration;
*((__le64 *)lreq->parent_lease_key) = lc->lcontext.ParentLeaseKeyLow;
*((__le64 *)(lreq->parent_lease_key + 8)) = lc->lcontext.ParentLeaseKeyHigh;
memcpy(lreq->parent_lease_key, lc->lcontext.ParentLeaseKey,
SMB2_LEASE_KEY_SIZE);
lreq->version = 2;
} else {
struct create_lease *lc = (struct create_lease *)cc;
*((__le64 *)lreq->lease_key) = lc->lcontext.LeaseKeyLow;
*((__le64 *)(lreq->lease_key + 8)) = lc->lcontext.LeaseKeyHigh;
memcpy(lreq->lease_key, lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE);
lreq->req_state = lc->lcontext.LeaseState;
lreq->flags = lc->lcontext.LeaseFlags;
lreq->duration = lc->lcontext.LeaseDuration;

2
fs/ksmbd/oplock.h
View File

@ -28,8 +28,6 @@
#define OPLOCK_WRITE_TO_NONE 0x04
#define OPLOCK_READ_TO_NONE 0x08
#define SMB2_LEASE_KEY_SIZE 16
struct lease_ctx_info {
__u8 lease_key[SMB2_LEASE_KEY_SIZE];
__le32 req_state;

11
fs/ksmbd/smb2pdu.h
View File

@ -733,22 +733,21 @@ struct create_posix_rsp {
#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02)
#define SMB2_LEASE_KEY_SIZE 16
struct lease_context {
__le64 LeaseKeyLow;
__le64 LeaseKeyHigh;
__u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
} __packed;
struct lease_context_v2 {
__le64 LeaseKeyLow;
__le64 LeaseKeyHigh;
__u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
__le64 ParentLeaseKeyLow;
__le64 ParentLeaseKeyHigh;
__u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE];
__le16 Epoch;
__le16 Reserved;
} __packed;