mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 02:39:48 +00:00
![Trond Myklebust](/assets/img/avatar_default.png)
This is needed by NFSv4.0 servers in order to keep the number of locking stateids at a manageable level. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
1090 lines
25 KiB
C
1090 lines
25 KiB
C
#ifndef _LINUX_NFS_XDR_H
|
|
#define _LINUX_NFS_XDR_H
|
|
|
|
#include <linux/nfsacl.h>
|
|
#include <linux/nfs3.h>
|
|
|
|
/*
|
|
* To change the maximum rsize and wsize supported by the NFS client, adjust
|
|
* NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
|
|
* support a megabyte or more. The default is left at 4096 bytes, which is
|
|
* reasonable for NFS over UDP.
|
|
*/
|
|
#define NFS_MAX_FILE_IO_SIZE (1048576U)
|
|
#define NFS_DEF_FILE_IO_SIZE (4096U)
|
|
#define NFS_MIN_FILE_IO_SIZE (1024U)
|
|
|
|
struct nfs_fsid {
|
|
uint64_t major;
|
|
uint64_t minor;
|
|
};
|
|
|
|
/*
|
|
* Helper for checking equality between 2 fsids.
|
|
*/
|
|
static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
|
|
{
|
|
return a->major == b->major && a->minor == b->minor;
|
|
}
|
|
|
|
struct nfs_fattr {
|
|
unsigned int valid; /* which fields are valid */
|
|
umode_t mode;
|
|
__u32 nlink;
|
|
__u32 uid;
|
|
__u32 gid;
|
|
dev_t rdev;
|
|
__u64 size;
|
|
union {
|
|
struct {
|
|
__u32 blocksize;
|
|
__u32 blocks;
|
|
} nfs2;
|
|
struct {
|
|
__u64 used;
|
|
} nfs3;
|
|
} du;
|
|
struct nfs_fsid fsid;
|
|
__u64 fileid;
|
|
struct timespec atime;
|
|
struct timespec mtime;
|
|
struct timespec ctime;
|
|
__u64 change_attr; /* NFSv4 change attribute */
|
|
__u64 pre_change_attr;/* pre-op NFSv4 change attribute */
|
|
__u64 pre_size; /* pre_op_attr.size */
|
|
struct timespec pre_mtime; /* pre_op_attr.mtime */
|
|
struct timespec pre_ctime; /* pre_op_attr.ctime */
|
|
unsigned long time_start;
|
|
unsigned long gencount;
|
|
};
|
|
|
|
#define NFS_ATTR_FATTR_TYPE (1U << 0)
|
|
#define NFS_ATTR_FATTR_MODE (1U << 1)
|
|
#define NFS_ATTR_FATTR_NLINK (1U << 2)
|
|
#define NFS_ATTR_FATTR_OWNER (1U << 3)
|
|
#define NFS_ATTR_FATTR_GROUP (1U << 4)
|
|
#define NFS_ATTR_FATTR_RDEV (1U << 5)
|
|
#define NFS_ATTR_FATTR_SIZE (1U << 6)
|
|
#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
|
|
#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
|
|
#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
|
|
#define NFS_ATTR_FATTR_FSID (1U << 10)
|
|
#define NFS_ATTR_FATTR_FILEID (1U << 11)
|
|
#define NFS_ATTR_FATTR_ATIME (1U << 12)
|
|
#define NFS_ATTR_FATTR_MTIME (1U << 13)
|
|
#define NFS_ATTR_FATTR_CTIME (1U << 14)
|
|
#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
|
|
#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
|
|
#define NFS_ATTR_FATTR_CHANGE (1U << 17)
|
|
#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
|
|
#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */
|
|
|
|
#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
|
|
| NFS_ATTR_FATTR_MODE \
|
|
| NFS_ATTR_FATTR_NLINK \
|
|
| NFS_ATTR_FATTR_OWNER \
|
|
| NFS_ATTR_FATTR_GROUP \
|
|
| NFS_ATTR_FATTR_RDEV \
|
|
| NFS_ATTR_FATTR_SIZE \
|
|
| NFS_ATTR_FATTR_FSID \
|
|
| NFS_ATTR_FATTR_FILEID \
|
|
| NFS_ATTR_FATTR_ATIME \
|
|
| NFS_ATTR_FATTR_MTIME \
|
|
| NFS_ATTR_FATTR_CTIME)
|
|
#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
|
|
| NFS_ATTR_FATTR_BLOCKS_USED)
|
|
#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
|
|
| NFS_ATTR_FATTR_SPACE_USED)
|
|
#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
|
|
| NFS_ATTR_FATTR_SPACE_USED \
|
|
| NFS_ATTR_FATTR_CHANGE)
|
|
|
|
/*
|
|
* Info on the file system
|
|
*/
|
|
struct nfs_fsinfo {
|
|
struct nfs_fattr *fattr; /* Post-op attributes */
|
|
__u32 rtmax; /* max. read transfer size */
|
|
__u32 rtpref; /* pref. read transfer size */
|
|
__u32 rtmult; /* reads should be multiple of this */
|
|
__u32 wtmax; /* max. write transfer size */
|
|
__u32 wtpref; /* pref. write transfer size */
|
|
__u32 wtmult; /* writes should be multiple of this */
|
|
__u32 dtpref; /* pref. readdir transfer size */
|
|
__u64 maxfilesize;
|
|
__u32 lease_time; /* in seconds */
|
|
};
|
|
|
|
struct nfs_fsstat {
|
|
struct nfs_fattr *fattr; /* Post-op attributes */
|
|
__u64 tbytes; /* total size in bytes */
|
|
__u64 fbytes; /* # of free bytes */
|
|
__u64 abytes; /* # of bytes available to user */
|
|
__u64 tfiles; /* # of files */
|
|
__u64 ffiles; /* # of free files */
|
|
__u64 afiles; /* # of files available to user */
|
|
};
|
|
|
|
struct nfs2_fsstat {
|
|
__u32 tsize; /* Server transfer size */
|
|
__u32 bsize; /* Filesystem block size */
|
|
__u32 blocks; /* No. of "bsize" blocks on filesystem */
|
|
__u32 bfree; /* No. of free "bsize" blocks */
|
|
__u32 bavail; /* No. of available "bsize" blocks */
|
|
};
|
|
|
|
struct nfs_pathconf {
|
|
struct nfs_fattr *fattr; /* Post-op attributes */
|
|
__u32 max_link; /* max # of hard links */
|
|
__u32 max_namelen; /* max name length */
|
|
};
|
|
|
|
struct nfs4_change_info {
|
|
u32 atomic;
|
|
u64 before;
|
|
u64 after;
|
|
};
|
|
|
|
struct nfs_seqid;
|
|
|
|
/* nfs41 sessions channel attributes */
|
|
struct nfs4_channel_attrs {
|
|
u32 headerpadsz;
|
|
u32 max_rqst_sz;
|
|
u32 max_resp_sz;
|
|
u32 max_resp_sz_cached;
|
|
u32 max_ops;
|
|
u32 max_reqs;
|
|
};
|
|
|
|
/* nfs41 sessions slot seqid */
|
|
struct nfs4_slot {
|
|
u32 seq_nr;
|
|
};
|
|
|
|
struct nfs4_sequence_args {
|
|
struct nfs4_session *sa_session;
|
|
u8 sa_slotid;
|
|
u8 sa_cache_this;
|
|
};
|
|
|
|
struct nfs4_sequence_res {
|
|
struct nfs4_session *sr_session;
|
|
u8 sr_slotid; /* slot used to send request */
|
|
int sr_status; /* sequence operation status */
|
|
unsigned long sr_renewal_time;
|
|
u32 sr_status_flags;
|
|
};
|
|
|
|
struct nfs4_get_lease_time_args {
|
|
struct nfs4_sequence_args la_seq_args;
|
|
};
|
|
|
|
struct nfs4_get_lease_time_res {
|
|
struct nfs_fsinfo *lr_fsinfo;
|
|
struct nfs4_sequence_res lr_seq_res;
|
|
};
|
|
|
|
/*
|
|
* Arguments to the open call.
|
|
*/
|
|
struct nfs_openargs {
|
|
const struct nfs_fh * fh;
|
|
struct nfs_seqid * seqid;
|
|
int open_flags;
|
|
fmode_t fmode;
|
|
__u64 clientid;
|
|
__u64 id;
|
|
union {
|
|
struct {
|
|
struct iattr * attrs; /* UNCHECKED, GUARDED */
|
|
nfs4_verifier verifier; /* EXCLUSIVE */
|
|
};
|
|
nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
|
|
fmode_t delegation_type; /* CLAIM_PREVIOUS */
|
|
} u;
|
|
const struct qstr * name;
|
|
const struct nfs_server *server; /* Needed for ID mapping */
|
|
const u32 * bitmask;
|
|
__u32 claim;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_openres {
|
|
nfs4_stateid stateid;
|
|
struct nfs_fh fh;
|
|
struct nfs4_change_info cinfo;
|
|
__u32 rflags;
|
|
struct nfs_fattr * f_attr;
|
|
struct nfs_fattr * dir_attr;
|
|
struct nfs_seqid * seqid;
|
|
const struct nfs_server *server;
|
|
fmode_t delegation_type;
|
|
nfs4_stateid delegation;
|
|
__u32 do_recall;
|
|
__u64 maxsize;
|
|
__u32 attrset[NFS4_BITMAP_SIZE];
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
/*
|
|
* Arguments to the open_confirm call.
|
|
*/
|
|
struct nfs_open_confirmargs {
|
|
const struct nfs_fh * fh;
|
|
nfs4_stateid * stateid;
|
|
struct nfs_seqid * seqid;
|
|
};
|
|
|
|
struct nfs_open_confirmres {
|
|
nfs4_stateid stateid;
|
|
struct nfs_seqid * seqid;
|
|
};
|
|
|
|
/*
|
|
* Arguments to the close call.
|
|
*/
|
|
struct nfs_closeargs {
|
|
struct nfs_fh * fh;
|
|
nfs4_stateid * stateid;
|
|
struct nfs_seqid * seqid;
|
|
fmode_t fmode;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_closeres {
|
|
nfs4_stateid stateid;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs_seqid * seqid;
|
|
const struct nfs_server *server;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
/*
|
|
* * Arguments to the lock,lockt, and locku call.
|
|
* */
|
|
struct nfs_lowner {
|
|
__u64 clientid;
|
|
__u64 id;
|
|
};
|
|
|
|
struct nfs_lock_args {
|
|
struct nfs_fh * fh;
|
|
struct file_lock * fl;
|
|
struct nfs_seqid * lock_seqid;
|
|
nfs4_stateid * lock_stateid;
|
|
struct nfs_seqid * open_seqid;
|
|
nfs4_stateid * open_stateid;
|
|
struct nfs_lowner lock_owner;
|
|
unsigned char block : 1;
|
|
unsigned char reclaim : 1;
|
|
unsigned char new_lock_owner : 1;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_lock_res {
|
|
nfs4_stateid stateid;
|
|
struct nfs_seqid * lock_seqid;
|
|
struct nfs_seqid * open_seqid;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs_locku_args {
|
|
struct nfs_fh * fh;
|
|
struct file_lock * fl;
|
|
struct nfs_seqid * seqid;
|
|
nfs4_stateid * stateid;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_locku_res {
|
|
nfs4_stateid stateid;
|
|
struct nfs_seqid * seqid;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs_lockt_args {
|
|
struct nfs_fh * fh;
|
|
struct file_lock * fl;
|
|
struct nfs_lowner lock_owner;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_lockt_res {
|
|
struct file_lock * denied; /* LOCK, LOCKT failed */
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs_release_lockowner_args {
|
|
struct nfs_lowner lock_owner;
|
|
};
|
|
|
|
struct nfs4_delegreturnargs {
|
|
const struct nfs_fh *fhandle;
|
|
const nfs4_stateid *stateid;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_delegreturnres {
|
|
struct nfs_fattr * fattr;
|
|
const struct nfs_server *server;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
/*
|
|
* Arguments to the read call.
|
|
*/
|
|
struct nfs_readargs {
|
|
struct nfs_fh * fh;
|
|
struct nfs_open_context *context;
|
|
struct nfs_lock_context *lock_context;
|
|
__u64 offset;
|
|
__u32 count;
|
|
unsigned int pgbase;
|
|
struct page ** pages;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_readres {
|
|
struct nfs_fattr * fattr;
|
|
__u32 count;
|
|
int eof;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
/*
|
|
* Arguments to the write call.
|
|
*/
|
|
struct nfs_writeargs {
|
|
struct nfs_fh * fh;
|
|
struct nfs_open_context *context;
|
|
struct nfs_lock_context *lock_context;
|
|
__u64 offset;
|
|
__u32 count;
|
|
enum nfs3_stable_how stable;
|
|
unsigned int pgbase;
|
|
struct page ** pages;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_writeverf {
|
|
enum nfs3_stable_how committed;
|
|
__be32 verifier[2];
|
|
};
|
|
|
|
struct nfs_writeres {
|
|
struct nfs_fattr * fattr;
|
|
struct nfs_writeverf * verf;
|
|
__u32 count;
|
|
const struct nfs_server *server;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
/*
|
|
* Common arguments to the unlink call
|
|
*/
|
|
struct nfs_removeargs {
|
|
const struct nfs_fh *fh;
|
|
struct qstr name;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_removeres {
|
|
const struct nfs_server *server;
|
|
struct nfs_fattr *dir_attr;
|
|
struct nfs4_change_info cinfo;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
/*
|
|
* Argument struct for decode_entry function
|
|
*/
|
|
struct nfs_entry {
|
|
__u64 ino;
|
|
__u64 cookie,
|
|
prev_cookie;
|
|
const char * name;
|
|
unsigned int len;
|
|
int eof;
|
|
struct nfs_fh * fh;
|
|
struct nfs_fattr * fattr;
|
|
};
|
|
|
|
/*
|
|
* The following types are for NFSv2 only.
|
|
*/
|
|
struct nfs_sattrargs {
|
|
struct nfs_fh * fh;
|
|
struct iattr * sattr;
|
|
};
|
|
|
|
struct nfs_diropargs {
|
|
struct nfs_fh * fh;
|
|
const char * name;
|
|
unsigned int len;
|
|
};
|
|
|
|
struct nfs_createargs {
|
|
struct nfs_fh * fh;
|
|
const char * name;
|
|
unsigned int len;
|
|
struct iattr * sattr;
|
|
};
|
|
|
|
struct nfs_renameargs {
|
|
struct nfs_fh * fromfh;
|
|
const char * fromname;
|
|
unsigned int fromlen;
|
|
struct nfs_fh * tofh;
|
|
const char * toname;
|
|
unsigned int tolen;
|
|
};
|
|
|
|
struct nfs_setattrargs {
|
|
struct nfs_fh * fh;
|
|
nfs4_stateid stateid;
|
|
struct iattr * iap;
|
|
const struct nfs_server * server; /* Needed for name mapping */
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_setaclargs {
|
|
struct nfs_fh * fh;
|
|
size_t acl_len;
|
|
unsigned int acl_pgbase;
|
|
struct page ** acl_pages;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_setaclres {
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs_getaclargs {
|
|
struct nfs_fh * fh;
|
|
size_t acl_len;
|
|
unsigned int acl_pgbase;
|
|
struct page ** acl_pages;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs_getaclres {
|
|
size_t acl_len;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs_setattrres {
|
|
struct nfs_fattr * fattr;
|
|
const struct nfs_server * server;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs_linkargs {
|
|
struct nfs_fh * fromfh;
|
|
struct nfs_fh * tofh;
|
|
const char * toname;
|
|
unsigned int tolen;
|
|
};
|
|
|
|
struct nfs_symlinkargs {
|
|
struct nfs_fh * fromfh;
|
|
const char * fromname;
|
|
unsigned int fromlen;
|
|
struct page ** pages;
|
|
unsigned int pathlen;
|
|
struct iattr * sattr;
|
|
};
|
|
|
|
struct nfs_readdirargs {
|
|
struct nfs_fh * fh;
|
|
__u32 cookie;
|
|
unsigned int count;
|
|
struct page ** pages;
|
|
};
|
|
|
|
struct nfs3_getaclargs {
|
|
struct nfs_fh * fh;
|
|
int mask;
|
|
struct page ** pages;
|
|
};
|
|
|
|
struct nfs3_setaclargs {
|
|
struct inode * inode;
|
|
int mask;
|
|
struct posix_acl * acl_access;
|
|
struct posix_acl * acl_default;
|
|
size_t len;
|
|
unsigned int npages;
|
|
struct page ** pages;
|
|
};
|
|
|
|
struct nfs_diropok {
|
|
struct nfs_fh * fh;
|
|
struct nfs_fattr * fattr;
|
|
};
|
|
|
|
struct nfs_readlinkargs {
|
|
struct nfs_fh * fh;
|
|
unsigned int pgbase;
|
|
unsigned int pglen;
|
|
struct page ** pages;
|
|
};
|
|
|
|
struct nfs3_sattrargs {
|
|
struct nfs_fh * fh;
|
|
struct iattr * sattr;
|
|
unsigned int guard;
|
|
struct timespec guardtime;
|
|
};
|
|
|
|
struct nfs3_diropargs {
|
|
struct nfs_fh * fh;
|
|
const char * name;
|
|
unsigned int len;
|
|
};
|
|
|
|
struct nfs3_accessargs {
|
|
struct nfs_fh * fh;
|
|
__u32 access;
|
|
};
|
|
|
|
struct nfs3_createargs {
|
|
struct nfs_fh * fh;
|
|
const char * name;
|
|
unsigned int len;
|
|
struct iattr * sattr;
|
|
enum nfs3_createmode createmode;
|
|
__be32 verifier[2];
|
|
};
|
|
|
|
struct nfs3_mkdirargs {
|
|
struct nfs_fh * fh;
|
|
const char * name;
|
|
unsigned int len;
|
|
struct iattr * sattr;
|
|
};
|
|
|
|
struct nfs3_symlinkargs {
|
|
struct nfs_fh * fromfh;
|
|
const char * fromname;
|
|
unsigned int fromlen;
|
|
struct page ** pages;
|
|
unsigned int pathlen;
|
|
struct iattr * sattr;
|
|
};
|
|
|
|
struct nfs3_mknodargs {
|
|
struct nfs_fh * fh;
|
|
const char * name;
|
|
unsigned int len;
|
|
enum nfs3_ftype type;
|
|
struct iattr * sattr;
|
|
dev_t rdev;
|
|
};
|
|
|
|
struct nfs3_renameargs {
|
|
struct nfs_fh * fromfh;
|
|
const char * fromname;
|
|
unsigned int fromlen;
|
|
struct nfs_fh * tofh;
|
|
const char * toname;
|
|
unsigned int tolen;
|
|
};
|
|
|
|
struct nfs3_linkargs {
|
|
struct nfs_fh * fromfh;
|
|
struct nfs_fh * tofh;
|
|
const char * toname;
|
|
unsigned int tolen;
|
|
};
|
|
|
|
struct nfs3_readdirargs {
|
|
struct nfs_fh * fh;
|
|
__u64 cookie;
|
|
__be32 verf[2];
|
|
int plus;
|
|
unsigned int count;
|
|
struct page ** pages;
|
|
};
|
|
|
|
struct nfs3_diropres {
|
|
struct nfs_fattr * dir_attr;
|
|
struct nfs_fh * fh;
|
|
struct nfs_fattr * fattr;
|
|
};
|
|
|
|
struct nfs3_accessres {
|
|
struct nfs_fattr * fattr;
|
|
__u32 access;
|
|
};
|
|
|
|
struct nfs3_readlinkargs {
|
|
struct nfs_fh * fh;
|
|
unsigned int pgbase;
|
|
unsigned int pglen;
|
|
struct page ** pages;
|
|
};
|
|
|
|
struct nfs3_renameres {
|
|
struct nfs_fattr * fromattr;
|
|
struct nfs_fattr * toattr;
|
|
};
|
|
|
|
struct nfs3_linkres {
|
|
struct nfs_fattr * dir_attr;
|
|
struct nfs_fattr * fattr;
|
|
};
|
|
|
|
struct nfs3_readdirres {
|
|
struct nfs_fattr * dir_attr;
|
|
__be32 * verf;
|
|
int plus;
|
|
};
|
|
|
|
struct nfs3_getaclres {
|
|
struct nfs_fattr * fattr;
|
|
int mask;
|
|
unsigned int acl_access_count;
|
|
unsigned int acl_default_count;
|
|
struct posix_acl * acl_access;
|
|
struct posix_acl * acl_default;
|
|
};
|
|
|
|
#ifdef CONFIG_NFS_V4
|
|
|
|
typedef u64 clientid4;
|
|
|
|
struct nfs4_accessargs {
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
u32 access;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_accessres {
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
u32 supported;
|
|
u32 access;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_create_arg {
|
|
u32 ftype;
|
|
union {
|
|
struct {
|
|
struct page ** pages;
|
|
unsigned int len;
|
|
} symlink; /* NF4LNK */
|
|
struct {
|
|
u32 specdata1;
|
|
u32 specdata2;
|
|
} device; /* NF4BLK, NF4CHR */
|
|
} u;
|
|
const struct qstr * name;
|
|
const struct nfs_server * server;
|
|
const struct iattr * attrs;
|
|
const struct nfs_fh * dir_fh;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_create_res {
|
|
const struct nfs_server * server;
|
|
struct nfs_fh * fh;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs4_change_info dir_cinfo;
|
|
struct nfs_fattr * dir_fattr;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_fsinfo_arg {
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_fsinfo_res {
|
|
struct nfs_fsinfo *fsinfo;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_getattr_arg {
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_getattr_res {
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_link_arg {
|
|
const struct nfs_fh * fh;
|
|
const struct nfs_fh * dir_fh;
|
|
const struct qstr * name;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_link_res {
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs4_change_info cinfo;
|
|
struct nfs_fattr * dir_attr;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
|
|
struct nfs4_lookup_arg {
|
|
const struct nfs_fh * dir_fh;
|
|
const struct qstr * name;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_lookup_res {
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs_fh * fh;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_lookup_root_arg {
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_pathconf_arg {
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_pathconf_res {
|
|
struct nfs_pathconf *pathconf;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_readdir_arg {
|
|
const struct nfs_fh * fh;
|
|
u64 cookie;
|
|
nfs4_verifier verifier;
|
|
u32 count;
|
|
struct page ** pages; /* zero-copy data */
|
|
unsigned int pgbase; /* zero-copy data */
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_readdir_res {
|
|
nfs4_verifier verifier;
|
|
unsigned int pgbase;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_readlink {
|
|
const struct nfs_fh * fh;
|
|
unsigned int pgbase;
|
|
unsigned int pglen; /* zero-copy data */
|
|
struct page ** pages; /* zero-copy data */
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_readlink_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_rename_arg {
|
|
const struct nfs_fh * old_dir;
|
|
const struct nfs_fh * new_dir;
|
|
const struct qstr * old_name;
|
|
const struct qstr * new_name;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_rename_res {
|
|
const struct nfs_server * server;
|
|
struct nfs4_change_info old_cinfo;
|
|
struct nfs_fattr * old_fattr;
|
|
struct nfs4_change_info new_cinfo;
|
|
struct nfs_fattr * new_fattr;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
#define NFS4_SETCLIENTID_NAMELEN (127)
|
|
struct nfs4_setclientid {
|
|
const nfs4_verifier * sc_verifier;
|
|
unsigned int sc_name_len;
|
|
char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
|
|
u32 sc_prog;
|
|
unsigned int sc_netid_len;
|
|
char sc_netid[RPCBIND_MAXNETIDLEN + 1];
|
|
unsigned int sc_uaddr_len;
|
|
char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
|
|
u32 sc_cb_ident;
|
|
};
|
|
|
|
struct nfs4_setclientid_res {
|
|
u64 clientid;
|
|
nfs4_verifier confirm;
|
|
};
|
|
|
|
struct nfs4_statfs_arg {
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_statfs_res {
|
|
struct nfs_fsstat *fsstat;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_server_caps_arg {
|
|
struct nfs_fh *fhandle;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_server_caps_res {
|
|
u32 attr_bitmask[2];
|
|
u32 acl_bitmask;
|
|
u32 has_links;
|
|
u32 has_symlinks;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_string {
|
|
unsigned int len;
|
|
char *data;
|
|
};
|
|
|
|
#define NFS4_PATHNAME_MAXCOMPONENTS 512
|
|
struct nfs4_pathname {
|
|
unsigned int ncomponents;
|
|
struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
|
|
};
|
|
|
|
#define NFS4_FS_LOCATION_MAXSERVERS 10
|
|
struct nfs4_fs_location {
|
|
unsigned int nservers;
|
|
struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
|
|
struct nfs4_pathname rootpath;
|
|
};
|
|
|
|
#define NFS4_FS_LOCATIONS_MAXENTRIES 10
|
|
struct nfs4_fs_locations {
|
|
struct nfs_fattr fattr;
|
|
const struct nfs_server *server;
|
|
struct nfs4_pathname fs_path;
|
|
int nlocations;
|
|
struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
|
|
};
|
|
|
|
struct nfs4_fs_locations_arg {
|
|
const struct nfs_fh *dir_fh;
|
|
const struct qstr *name;
|
|
struct page *page;
|
|
const u32 *bitmask;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs4_fs_locations_res {
|
|
struct nfs4_fs_locations *fs_locations;
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
#endif /* CONFIG_NFS_V4 */
|
|
|
|
struct nfstime4 {
|
|
u64 seconds;
|
|
u32 nseconds;
|
|
};
|
|
|
|
#ifdef CONFIG_NFS_V4_1
|
|
struct nfs_impl_id4 {
|
|
u32 domain_len;
|
|
char *domain;
|
|
u32 name_len;
|
|
char *name;
|
|
struct nfstime4 date;
|
|
};
|
|
|
|
#define NFS4_EXCHANGE_ID_LEN (48)
|
|
struct nfs41_exchange_id_args {
|
|
struct nfs_client *client;
|
|
nfs4_verifier *verifier;
|
|
unsigned int id_len;
|
|
char id[NFS4_EXCHANGE_ID_LEN];
|
|
u32 flags;
|
|
};
|
|
|
|
struct server_owner {
|
|
uint64_t minor_id;
|
|
uint32_t major_id_sz;
|
|
char major_id[NFS4_OPAQUE_LIMIT];
|
|
};
|
|
|
|
struct server_scope {
|
|
uint32_t server_scope_sz;
|
|
char server_scope[NFS4_OPAQUE_LIMIT];
|
|
};
|
|
|
|
struct nfs41_exchange_id_res {
|
|
struct nfs_client *client;
|
|
u32 flags;
|
|
};
|
|
|
|
struct nfs41_create_session_args {
|
|
struct nfs_client *client;
|
|
uint32_t flags;
|
|
uint32_t cb_program;
|
|
struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
|
|
struct nfs4_channel_attrs bc_attrs; /* Back Channel */
|
|
};
|
|
|
|
struct nfs41_create_session_res {
|
|
struct nfs_client *client;
|
|
};
|
|
|
|
struct nfs41_reclaim_complete_args {
|
|
/* In the future extend to include curr_fh for use with migration */
|
|
unsigned char one_fs:1;
|
|
struct nfs4_sequence_args seq_args;
|
|
};
|
|
|
|
struct nfs41_reclaim_complete_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
#endif /* CONFIG_NFS_V4_1 */
|
|
|
|
struct nfs_page;
|
|
|
|
#define NFS_PAGEVEC_SIZE (8U)
|
|
|
|
struct nfs_read_data {
|
|
int flags;
|
|
struct rpc_task task;
|
|
struct inode *inode;
|
|
struct rpc_cred *cred;
|
|
struct nfs_fattr fattr; /* fattr storage */
|
|
struct list_head pages; /* Coalesced read requests */
|
|
struct nfs_page *req; /* multi ops per nfs_page */
|
|
struct page **pagevec;
|
|
unsigned int npages; /* Max length of pagevec */
|
|
struct nfs_readargs args;
|
|
struct nfs_readres res;
|
|
#ifdef CONFIG_NFS_V4
|
|
unsigned long timestamp; /* For lease renewal */
|
|
#endif
|
|
struct page *page_array[NFS_PAGEVEC_SIZE];
|
|
};
|
|
|
|
struct nfs_write_data {
|
|
int flags;
|
|
struct rpc_task task;
|
|
struct inode *inode;
|
|
struct rpc_cred *cred;
|
|
struct nfs_fattr fattr;
|
|
struct nfs_writeverf verf;
|
|
struct list_head pages; /* Coalesced requests we wish to flush */
|
|
struct nfs_page *req; /* multi ops per nfs_page */
|
|
struct page **pagevec;
|
|
unsigned int npages; /* Max length of pagevec */
|
|
struct nfs_writeargs args; /* argument struct */
|
|
struct nfs_writeres res; /* result struct */
|
|
#ifdef CONFIG_NFS_V4
|
|
unsigned long timestamp; /* For lease renewal */
|
|
#endif
|
|
struct page *page_array[NFS_PAGEVEC_SIZE];
|
|
};
|
|
|
|
struct nfs_access_entry;
|
|
|
|
/*
|
|
* RPC procedure vector for NFSv2/NFSv3 demuxing
|
|
*/
|
|
struct nfs_rpc_ops {
|
|
u32 version; /* Protocol version */
|
|
const struct dentry_operations *dentry_ops;
|
|
const struct inode_operations *dir_inode_ops;
|
|
const struct inode_operations *file_inode_ops;
|
|
|
|
int (*getroot) (struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_fsinfo *);
|
|
int (*lookupfh)(struct nfs_server *, struct nfs_fh *,
|
|
struct qstr *, struct nfs_fh *,
|
|
struct nfs_fattr *);
|
|
int (*getattr) (struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_fattr *);
|
|
int (*setattr) (struct dentry *, struct nfs_fattr *,
|
|
struct iattr *);
|
|
int (*lookup) (struct inode *, struct qstr *,
|
|
struct nfs_fh *, struct nfs_fattr *);
|
|
int (*access) (struct inode *, struct nfs_access_entry *);
|
|
int (*readlink)(struct inode *, struct page *, unsigned int,
|
|
unsigned int);
|
|
int (*create) (struct inode *, struct dentry *,
|
|
struct iattr *, int, struct nameidata *);
|
|
int (*remove) (struct inode *, struct qstr *);
|
|
void (*unlink_setup) (struct rpc_message *, struct inode *dir);
|
|
int (*unlink_done) (struct rpc_task *, struct inode *);
|
|
int (*rename) (struct inode *, struct qstr *,
|
|
struct inode *, struct qstr *);
|
|
int (*link) (struct inode *, struct inode *, struct qstr *);
|
|
int (*symlink) (struct inode *, struct dentry *, struct page *,
|
|
unsigned int, struct iattr *);
|
|
int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
|
|
int (*rmdir) (struct inode *, struct qstr *);
|
|
int (*readdir) (struct dentry *, struct rpc_cred *,
|
|
u64, struct page *, unsigned int, int);
|
|
int (*mknod) (struct inode *, struct dentry *, struct iattr *,
|
|
dev_t);
|
|
int (*statfs) (struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_fsstat *);
|
|
int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_fsinfo *);
|
|
int (*pathconf) (struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_pathconf *);
|
|
int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
|
|
__be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus);
|
|
void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
|
|
int (*read_done) (struct rpc_task *, struct nfs_read_data *);
|
|
void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
|
|
int (*write_done) (struct rpc_task *, struct nfs_write_data *);
|
|
void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
|
|
int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
|
|
int (*lock)(struct file *, int, struct file_lock *);
|
|
int (*lock_check_bounds)(const struct file_lock *);
|
|
void (*clear_acl_cache)(struct inode *);
|
|
void (*close_context)(struct nfs_open_context *ctx, int);
|
|
};
|
|
|
|
/*
|
|
* NFS_CALL(getattr, inode, (fattr));
|
|
* into
|
|
* NFS_PROTO(inode)->getattr(fattr);
|
|
*/
|
|
#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
|
|
|
|
/*
|
|
* Function vectors etc. for the NFS client
|
|
*/
|
|
extern const struct nfs_rpc_ops nfs_v2_clientops;
|
|
extern const struct nfs_rpc_ops nfs_v3_clientops;
|
|
extern const struct nfs_rpc_ops nfs_v4_clientops;
|
|
extern struct rpc_version nfs_version2;
|
|
extern struct rpc_version nfs_version3;
|
|
extern struct rpc_version nfs_version4;
|
|
|
|
extern struct rpc_version nfsacl_version3;
|
|
extern struct rpc_program nfsacl_program;
|
|
|
|
#endif
|