1666 lines
39 KiB
C
1666 lines
39 KiB
C
#ifndef _LINUX_NFS_XDR_H
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#define _LINUX_NFS_XDR_H
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#include <linux/nfsacl.h>
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#include <linux/sunrpc/gss_api.h>
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/*
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* To change the maximum rsize and wsize supported by the NFS client, adjust
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* NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
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* support a megabyte or more. The default is left at 4096 bytes, which is
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* reasonable for NFS over UDP.
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*/
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#define NFS_MAX_FILE_IO_SIZE (1048576U)
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#define NFS_DEF_FILE_IO_SIZE (4096U)
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#define NFS_MIN_FILE_IO_SIZE (1024U)
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struct nfs4_string {
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unsigned int len;
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char *data;
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};
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struct nfs_fsid {
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uint64_t major;
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uint64_t minor;
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};
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/*
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* Helper for checking equality between 2 fsids.
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*/
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static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
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{
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return a->major == b->major && a->minor == b->minor;
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}
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struct nfs4_threshold {
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__u32 bm;
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__u32 l_type;
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__u64 rd_sz;
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__u64 wr_sz;
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__u64 rd_io_sz;
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__u64 wr_io_sz;
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};
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struct nfs_fattr {
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unsigned int valid; /* which fields are valid */
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umode_t mode;
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__u32 nlink;
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kuid_t uid;
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kgid_t gid;
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dev_t rdev;
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__u64 size;
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union {
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struct {
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__u32 blocksize;
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__u32 blocks;
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} nfs2;
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struct {
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__u64 used;
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} nfs3;
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} du;
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struct nfs_fsid fsid;
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__u64 fileid;
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__u64 mounted_on_fileid;
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struct timespec atime;
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struct timespec mtime;
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struct timespec ctime;
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__u64 change_attr; /* NFSv4 change attribute */
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__u64 pre_change_attr;/* pre-op NFSv4 change attribute */
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__u64 pre_size; /* pre_op_attr.size */
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struct timespec pre_mtime; /* pre_op_attr.mtime */
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struct timespec pre_ctime; /* pre_op_attr.ctime */
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unsigned long time_start;
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unsigned long gencount;
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struct nfs4_string *owner_name;
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struct nfs4_string *group_name;
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struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
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};
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#define NFS_ATTR_FATTR_TYPE (1U << 0)
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#define NFS_ATTR_FATTR_MODE (1U << 1)
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#define NFS_ATTR_FATTR_NLINK (1U << 2)
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#define NFS_ATTR_FATTR_OWNER (1U << 3)
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#define NFS_ATTR_FATTR_GROUP (1U << 4)
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#define NFS_ATTR_FATTR_RDEV (1U << 5)
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#define NFS_ATTR_FATTR_SIZE (1U << 6)
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#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
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#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
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#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
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#define NFS_ATTR_FATTR_FSID (1U << 10)
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#define NFS_ATTR_FATTR_FILEID (1U << 11)
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#define NFS_ATTR_FATTR_ATIME (1U << 12)
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#define NFS_ATTR_FATTR_MTIME (1U << 13)
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#define NFS_ATTR_FATTR_CTIME (1U << 14)
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#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
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#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
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#define NFS_ATTR_FATTR_CHANGE (1U << 17)
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#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
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#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
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#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
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#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
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#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
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#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
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#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
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#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
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#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
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| NFS_ATTR_FATTR_MODE \
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| NFS_ATTR_FATTR_NLINK \
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| NFS_ATTR_FATTR_OWNER \
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| NFS_ATTR_FATTR_GROUP \
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| NFS_ATTR_FATTR_RDEV \
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| NFS_ATTR_FATTR_SIZE \
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| NFS_ATTR_FATTR_FSID \
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| NFS_ATTR_FATTR_FILEID \
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| NFS_ATTR_FATTR_ATIME \
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| NFS_ATTR_FATTR_MTIME \
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| NFS_ATTR_FATTR_CTIME \
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| NFS_ATTR_FATTR_CHANGE)
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#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
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| NFS_ATTR_FATTR_BLOCKS_USED)
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#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
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| NFS_ATTR_FATTR_SPACE_USED)
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#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
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| NFS_ATTR_FATTR_SPACE_USED \
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| NFS_ATTR_FATTR_V4_SECURITY_LABEL)
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/*
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* Maximal number of supported layout drivers.
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*/
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#define NFS_MAX_LAYOUT_TYPES 8
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/*
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* Info on the file system
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*/
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struct nfs_fsinfo {
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struct nfs_fattr *fattr; /* Post-op attributes */
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__u32 rtmax; /* max. read transfer size */
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__u32 rtpref; /* pref. read transfer size */
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__u32 rtmult; /* reads should be multiple of this */
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__u32 wtmax; /* max. write transfer size */
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__u32 wtpref; /* pref. write transfer size */
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__u32 wtmult; /* writes should be multiple of this */
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__u32 dtpref; /* pref. readdir transfer size */
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__u64 maxfilesize;
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struct timespec time_delta; /* server time granularity */
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__u32 lease_time; /* in seconds */
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__u32 nlayouttypes; /* number of layouttypes */
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__u32 layouttype[NFS_MAX_LAYOUT_TYPES]; /* supported pnfs layout driver */
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__u32 blksize; /* preferred pnfs io block size */
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__u32 clone_blksize; /* granularity of a CLONE operation */
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};
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struct nfs_fsstat {
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struct nfs_fattr *fattr; /* Post-op attributes */
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__u64 tbytes; /* total size in bytes */
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__u64 fbytes; /* # of free bytes */
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__u64 abytes; /* # of bytes available to user */
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__u64 tfiles; /* # of files */
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__u64 ffiles; /* # of free files */
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__u64 afiles; /* # of files available to user */
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};
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struct nfs2_fsstat {
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__u32 tsize; /* Server transfer size */
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__u32 bsize; /* Filesystem block size */
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__u32 blocks; /* No. of "bsize" blocks on filesystem */
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__u32 bfree; /* No. of free "bsize" blocks */
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__u32 bavail; /* No. of available "bsize" blocks */
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};
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struct nfs_pathconf {
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struct nfs_fattr *fattr; /* Post-op attributes */
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__u32 max_link; /* max # of hard links */
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__u32 max_namelen; /* max name length */
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};
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struct nfs4_change_info {
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u32 atomic;
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u64 before;
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u64 after;
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};
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struct nfs_seqid;
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/* nfs41 sessions channel attributes */
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struct nfs4_channel_attrs {
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u32 max_rqst_sz;
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u32 max_resp_sz;
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u32 max_resp_sz_cached;
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u32 max_ops;
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u32 max_reqs;
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};
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struct nfs4_slot;
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struct nfs4_sequence_args {
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struct nfs4_slot *sa_slot;
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u8 sa_cache_this : 1,
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sa_privileged : 1;
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};
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struct nfs4_sequence_res {
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struct nfs4_slot *sr_slot; /* slot used to send request */
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unsigned long sr_timestamp;
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int sr_status; /* sequence operation status */
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u32 sr_status_flags;
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u32 sr_highest_slotid;
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u32 sr_target_highest_slotid;
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};
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struct nfs4_get_lease_time_args {
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struct nfs4_sequence_args la_seq_args;
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};
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struct nfs4_get_lease_time_res {
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struct nfs4_sequence_res lr_seq_res;
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struct nfs_fsinfo *lr_fsinfo;
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};
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struct xdr_stream;
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struct nfs4_xdr_opaque_data;
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struct nfs4_xdr_opaque_ops {
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void (*encode)(struct xdr_stream *, const void *args,
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const struct nfs4_xdr_opaque_data *);
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void (*free)(struct nfs4_xdr_opaque_data *);
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};
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struct nfs4_xdr_opaque_data {
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const struct nfs4_xdr_opaque_ops *ops;
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void *data;
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};
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#define PNFS_LAYOUT_MAXSIZE 4096
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struct nfs4_layoutdriver_data {
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struct page **pages;
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__u32 pglen;
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__u32 len;
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};
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struct pnfs_layout_range {
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u32 iomode;
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u64 offset;
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u64 length;
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};
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struct nfs4_layoutget_args {
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struct nfs4_sequence_args seq_args;
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__u32 type;
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struct pnfs_layout_range range;
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__u64 minlength;
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__u32 maxcount;
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struct inode *inode;
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struct nfs_open_context *ctx;
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nfs4_stateid stateid;
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struct nfs4_layoutdriver_data layout;
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};
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struct nfs4_layoutget_res {
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struct nfs4_sequence_res seq_res;
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__u32 return_on_close;
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struct pnfs_layout_range range;
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__u32 type;
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nfs4_stateid stateid;
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struct nfs4_layoutdriver_data *layoutp;
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};
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struct nfs4_layoutget {
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struct nfs4_layoutget_args args;
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struct nfs4_layoutget_res res;
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struct rpc_cred *cred;
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gfp_t gfp_flags;
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};
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struct nfs4_getdeviceinfo_args {
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struct nfs4_sequence_args seq_args;
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struct pnfs_device *pdev;
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__u32 notify_types;
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};
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struct nfs4_getdeviceinfo_res {
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struct nfs4_sequence_res seq_res;
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struct pnfs_device *pdev;
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__u32 notification;
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};
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struct nfs4_layoutcommit_args {
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struct nfs4_sequence_args seq_args;
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nfs4_stateid stateid;
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__u64 lastbytewritten;
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struct inode *inode;
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const u32 *bitmask;
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size_t layoutupdate_len;
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struct page *layoutupdate_page;
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struct page **layoutupdate_pages;
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__be32 *start_p;
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};
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struct nfs4_layoutcommit_res {
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struct nfs4_sequence_res seq_res;
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struct nfs_fattr *fattr;
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const struct nfs_server *server;
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int status;
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};
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struct nfs4_layoutcommit_data {
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struct rpc_task task;
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struct nfs_fattr fattr;
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struct list_head lseg_list;
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struct rpc_cred *cred;
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struct inode *inode;
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struct nfs4_layoutcommit_args args;
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struct nfs4_layoutcommit_res res;
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};
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struct nfs4_layoutreturn_args {
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struct nfs4_sequence_args seq_args;
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struct pnfs_layout_hdr *layout;
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struct inode *inode;
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struct pnfs_layout_range range;
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nfs4_stateid stateid;
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__u32 layout_type;
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struct nfs4_xdr_opaque_data *ld_private;
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};
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struct nfs4_layoutreturn_res {
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struct nfs4_sequence_res seq_res;
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u32 lrs_present;
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nfs4_stateid stateid;
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};
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struct nfs4_layoutreturn {
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struct nfs4_layoutreturn_args args;
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struct nfs4_layoutreturn_res res;
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struct rpc_cred *cred;
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struct nfs_client *clp;
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struct inode *inode;
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int rpc_status;
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struct nfs4_xdr_opaque_data ld_private;
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};
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#define PNFS_LAYOUTSTATS_MAXSIZE 256
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struct nfs42_layoutstat_args;
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struct nfs42_layoutstat_devinfo;
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typedef void (*layoutstats_encode_t)(struct xdr_stream *,
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struct nfs42_layoutstat_args *,
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struct nfs42_layoutstat_devinfo *);
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/* Per file per deviceid layoutstats */
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struct nfs42_layoutstat_devinfo {
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struct nfs4_deviceid dev_id;
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__u64 offset;
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__u64 length;
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__u64 read_count;
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__u64 read_bytes;
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__u64 write_count;
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__u64 write_bytes;
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__u32 layout_type;
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struct nfs4_xdr_opaque_data ld_private;
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};
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struct nfs42_layoutstat_args {
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struct nfs4_sequence_args seq_args;
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struct nfs_fh *fh;
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struct inode *inode;
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nfs4_stateid stateid;
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int num_dev;
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struct nfs42_layoutstat_devinfo *devinfo;
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};
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struct nfs42_layoutstat_res {
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struct nfs4_sequence_res seq_res;
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int num_dev;
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int rpc_status;
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};
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struct nfs42_layoutstat_data {
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struct inode *inode;
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struct nfs42_layoutstat_args args;
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struct nfs42_layoutstat_res res;
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};
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struct nfs42_clone_args {
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struct nfs4_sequence_args seq_args;
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struct nfs_fh *src_fh;
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struct nfs_fh *dst_fh;
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nfs4_stateid src_stateid;
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nfs4_stateid dst_stateid;
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__u64 src_offset;
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__u64 dst_offset;
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__u64 count;
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const u32 *dst_bitmask;
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};
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struct nfs42_clone_res {
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struct nfs4_sequence_res seq_res;
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unsigned int rpc_status;
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struct nfs_fattr *dst_fattr;
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const struct nfs_server *server;
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};
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struct stateowner_id {
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__u64 create_time;
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__u32 uniquifier;
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};
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/*
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* Arguments to the open call.
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*/
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struct nfs_openargs {
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struct nfs4_sequence_args seq_args;
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const struct nfs_fh * fh;
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struct nfs_seqid * seqid;
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int open_flags;
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fmode_t fmode;
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u32 share_access;
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u32 access;
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__u64 clientid;
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struct stateowner_id id;
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union {
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struct {
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struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */
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nfs4_verifier verifier; /* EXCLUSIVE */
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};
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nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
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fmode_t delegation_type; /* CLAIM_PREVIOUS */
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} u;
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const struct qstr * name;
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const struct nfs_server *server; /* Needed for ID mapping */
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const u32 * bitmask;
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const u32 * open_bitmap;
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enum open_claim_type4 claim;
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enum createmode4 createmode;
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const struct nfs4_label *label;
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umode_t umask;
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};
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struct nfs_openres {
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struct nfs4_sequence_res seq_res;
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nfs4_stateid stateid;
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struct nfs_fh fh;
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struct nfs4_change_info cinfo;
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__u32 rflags;
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struct nfs_fattr * f_attr;
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struct nfs4_label *f_label;
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struct nfs_seqid * seqid;
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const struct nfs_server *server;
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fmode_t delegation_type;
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nfs4_stateid delegation;
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unsigned long pagemod_limit;
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__u32 do_recall;
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__u32 attrset[NFS4_BITMAP_SIZE];
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struct nfs4_string *owner;
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struct nfs4_string *group_owner;
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__u32 access_request;
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__u32 access_supported;
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__u32 access_result;
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};
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/*
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* Arguments to the open_confirm call.
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*/
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struct nfs_open_confirmargs {
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struct nfs4_sequence_args seq_args;
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const struct nfs_fh * fh;
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nfs4_stateid * stateid;
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struct nfs_seqid * seqid;
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};
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struct nfs_open_confirmres {
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struct nfs4_sequence_res seq_res;
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nfs4_stateid stateid;
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struct nfs_seqid * seqid;
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};
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/*
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* Arguments to the close call.
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*/
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struct nfs_closeargs {
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struct nfs4_sequence_args seq_args;
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struct nfs_fh * fh;
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nfs4_stateid stateid;
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struct nfs_seqid * seqid;
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fmode_t fmode;
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u32 share_access;
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const u32 * bitmask;
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struct nfs4_layoutreturn_args *lr_args;
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};
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struct nfs_closeres {
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struct nfs4_sequence_res seq_res;
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nfs4_stateid stateid;
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struct nfs_fattr * fattr;
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struct nfs_seqid * seqid;
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const struct nfs_server *server;
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struct nfs4_layoutreturn_res *lr_res;
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int lr_ret;
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};
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/*
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* * Arguments to the lock,lockt, and locku call.
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* */
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struct nfs_lowner {
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__u64 clientid;
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__u64 id;
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dev_t s_dev;
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};
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|
struct nfs_lock_args {
|
|
struct nfs4_sequence_args seq_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 : 1;
|
|
unsigned char new_lock_owner : 1;
|
|
};
|
|
|
|
struct nfs_lock_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
nfs4_stateid stateid;
|
|
struct nfs_seqid * lock_seqid;
|
|
struct nfs_seqid * open_seqid;
|
|
};
|
|
|
|
struct nfs_locku_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh * fh;
|
|
struct file_lock * fl;
|
|
struct nfs_seqid * seqid;
|
|
nfs4_stateid stateid;
|
|
};
|
|
|
|
struct nfs_locku_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
nfs4_stateid stateid;
|
|
struct nfs_seqid * seqid;
|
|
};
|
|
|
|
struct nfs_lockt_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh * fh;
|
|
struct file_lock * fl;
|
|
struct nfs_lowner lock_owner;
|
|
};
|
|
|
|
struct nfs_lockt_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct file_lock * denied; /* LOCK, LOCKT failed */
|
|
};
|
|
|
|
struct nfs_release_lockowner_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_lowner lock_owner;
|
|
};
|
|
|
|
struct nfs_release_lockowner_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_delegreturnargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh *fhandle;
|
|
const nfs4_stateid *stateid;
|
|
const u32 * bitmask;
|
|
struct nfs4_layoutreturn_args *lr_args;
|
|
};
|
|
|
|
struct nfs4_delegreturnres {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs_server *server;
|
|
struct nfs4_layoutreturn_res *lr_res;
|
|
int lr_ret;
|
|
};
|
|
|
|
/*
|
|
* Arguments to the write call.
|
|
*/
|
|
struct nfs_write_verifier {
|
|
char data[8];
|
|
};
|
|
|
|
struct nfs_writeverf {
|
|
struct nfs_write_verifier verifier;
|
|
enum nfs3_stable_how committed;
|
|
};
|
|
|
|
/*
|
|
* Arguments shared by the read and write call.
|
|
*/
|
|
struct nfs_pgio_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh * fh;
|
|
struct nfs_open_context *context;
|
|
struct nfs_lock_context *lock_context;
|
|
nfs4_stateid stateid;
|
|
__u64 offset;
|
|
__u32 count;
|
|
unsigned int pgbase;
|
|
struct page ** pages;
|
|
const u32 * bitmask; /* used by write */
|
|
enum nfs3_stable_how stable; /* used by write */
|
|
};
|
|
|
|
struct nfs_pgio_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_fattr * fattr;
|
|
__u32 count;
|
|
__u32 op_status;
|
|
int eof; /* used by read */
|
|
struct nfs_writeverf * verf; /* used by write */
|
|
const struct nfs_server *server; /* used by write */
|
|
|
|
};
|
|
|
|
/*
|
|
* Arguments to the commit call.
|
|
*/
|
|
struct nfs_commitargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh *fh;
|
|
__u64 offset;
|
|
__u32 count;
|
|
const u32 *bitmask;
|
|
};
|
|
|
|
struct nfs_commitres {
|
|
struct nfs4_sequence_res seq_res;
|
|
__u32 op_status;
|
|
struct nfs_fattr *fattr;
|
|
struct nfs_writeverf *verf;
|
|
const struct nfs_server *server;
|
|
};
|
|
|
|
/*
|
|
* Common arguments to the unlink call
|
|
*/
|
|
struct nfs_removeargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh *fh;
|
|
struct qstr name;
|
|
};
|
|
|
|
struct nfs_removeres {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_server *server;
|
|
struct nfs_fattr *dir_attr;
|
|
struct nfs4_change_info cinfo;
|
|
};
|
|
|
|
/*
|
|
* Common arguments to the rename call
|
|
*/
|
|
struct nfs_renameargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh *old_dir;
|
|
const struct nfs_fh *new_dir;
|
|
const struct qstr *old_name;
|
|
const struct qstr *new_name;
|
|
};
|
|
|
|
struct nfs_renameres {
|
|
struct nfs4_sequence_res seq_res;
|
|
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;
|
|
};
|
|
|
|
/* parsed sec= options */
|
|
#define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */
|
|
struct nfs_auth_info {
|
|
unsigned int flavor_len;
|
|
rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
|
|
};
|
|
|
|
/*
|
|
* 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;
|
|
struct nfs4_label *label;
|
|
unsigned char d_type;
|
|
struct nfs_server * server;
|
|
};
|
|
|
|
/*
|
|
* 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_setattrargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh * fh;
|
|
nfs4_stateid stateid;
|
|
struct iattr * iap;
|
|
const struct nfs_server * server; /* Needed for name mapping */
|
|
const u32 * bitmask;
|
|
const struct nfs4_label *label;
|
|
};
|
|
|
|
struct nfs_setaclargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh * fh;
|
|
size_t acl_len;
|
|
struct page ** acl_pages;
|
|
};
|
|
|
|
struct nfs_setaclres {
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs_getaclargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh * fh;
|
|
size_t acl_len;
|
|
struct page ** acl_pages;
|
|
};
|
|
|
|
/* getxattr ACL interface flags */
|
|
#define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
|
|
struct nfs_getaclres {
|
|
struct nfs4_sequence_res seq_res;
|
|
size_t acl_len;
|
|
size_t acl_data_offset;
|
|
int acl_flags;
|
|
struct page * acl_scratch;
|
|
};
|
|
|
|
struct nfs_setattrres {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs4_label *label;
|
|
const struct nfs_server * server;
|
|
};
|
|
|
|
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_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];
|
|
bool 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_linkres {
|
|
struct nfs_fattr * dir_attr;
|
|
struct nfs_fattr * fattr;
|
|
};
|
|
|
|
struct nfs3_readdirres {
|
|
struct nfs_fattr * dir_attr;
|
|
__be32 * verf;
|
|
bool 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;
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_NFS_V4)
|
|
|
|
typedef u64 clientid4;
|
|
|
|
struct nfs4_accessargs {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
u32 access;
|
|
};
|
|
|
|
struct nfs4_accessres {
|
|
struct nfs4_sequence_res seq_res;
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
u32 supported;
|
|
u32 access;
|
|
};
|
|
|
|
struct nfs4_create_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
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;
|
|
const struct nfs4_label *label;
|
|
umode_t umask;
|
|
};
|
|
|
|
struct nfs4_create_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
const struct nfs_server * server;
|
|
struct nfs_fh * fh;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs4_label *label;
|
|
struct nfs4_change_info dir_cinfo;
|
|
};
|
|
|
|
struct nfs4_fsinfo_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_fsinfo_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_fsinfo *fsinfo;
|
|
};
|
|
|
|
struct nfs4_getattr_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_getattr_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs4_label *label;
|
|
};
|
|
|
|
struct nfs4_link_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * fh;
|
|
const struct nfs_fh * dir_fh;
|
|
const struct qstr * name;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_link_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs4_label *label;
|
|
struct nfs4_change_info cinfo;
|
|
struct nfs_fattr * dir_attr;
|
|
};
|
|
|
|
struct nfs4_lookup_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * dir_fh;
|
|
const struct qstr * name;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_lookup_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
const struct nfs_server * server;
|
|
struct nfs_fattr * fattr;
|
|
struct nfs_fh * fh;
|
|
struct nfs4_label *label;
|
|
};
|
|
|
|
struct nfs4_lookupp_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh *fh;
|
|
const u32 *bitmask;
|
|
};
|
|
|
|
struct nfs4_lookupp_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
const struct nfs_server *server;
|
|
struct nfs_fattr *fattr;
|
|
struct nfs_fh *fh;
|
|
struct nfs4_label *label;
|
|
};
|
|
|
|
struct nfs4_lookup_root_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_pathconf_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_pathconf_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_pathconf *pathconf;
|
|
};
|
|
|
|
struct nfs4_readdir_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
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;
|
|
bool plus;
|
|
};
|
|
|
|
struct nfs4_readdir_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
nfs4_verifier verifier;
|
|
unsigned int pgbase;
|
|
};
|
|
|
|
struct nfs4_readlink {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * fh;
|
|
unsigned int pgbase;
|
|
unsigned int pglen; /* zero-copy data */
|
|
struct page ** pages; /* zero-copy data */
|
|
};
|
|
|
|
struct nfs4_readlink_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
struct nfs4_setclientid {
|
|
const nfs4_verifier * sc_verifier;
|
|
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];
|
|
struct nfs_client *sc_clnt;
|
|
struct rpc_cred *sc_cred;
|
|
};
|
|
|
|
struct nfs4_setclientid_res {
|
|
u64 clientid;
|
|
nfs4_verifier confirm;
|
|
};
|
|
|
|
struct nfs4_statfs_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh * fh;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_statfs_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_fsstat *fsstat;
|
|
};
|
|
|
|
struct nfs4_server_caps_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
struct nfs_fh *fhandle;
|
|
const u32 * bitmask;
|
|
};
|
|
|
|
struct nfs4_server_caps_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
u32 attr_bitmask[3];
|
|
u32 exclcreat_bitmask[3];
|
|
u32 acl_bitmask;
|
|
u32 has_links;
|
|
u32 has_symlinks;
|
|
u32 fh_expire_type;
|
|
};
|
|
|
|
#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 {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh *dir_fh;
|
|
const struct nfs_fh *fh;
|
|
const struct qstr *name;
|
|
struct page *page;
|
|
const u32 *bitmask;
|
|
clientid4 clientid;
|
|
unsigned char migration:1, renew:1;
|
|
};
|
|
|
|
struct nfs4_fs_locations_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs4_fs_locations *fs_locations;
|
|
unsigned char migration:1, renew:1;
|
|
};
|
|
|
|
struct nfs4_secinfo4 {
|
|
u32 flavor;
|
|
struct rpcsec_gss_info flavor_info;
|
|
};
|
|
|
|
struct nfs4_secinfo_flavors {
|
|
unsigned int num_flavors;
|
|
struct nfs4_secinfo4 flavors[0];
|
|
};
|
|
|
|
struct nfs4_secinfo_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh *dir_fh;
|
|
const struct qstr *name;
|
|
};
|
|
|
|
struct nfs4_secinfo_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs4_secinfo_flavors *flavors;
|
|
};
|
|
|
|
struct nfs4_fsid_present_arg {
|
|
struct nfs4_sequence_args seq_args;
|
|
const struct nfs_fh *fh;
|
|
clientid4 clientid;
|
|
unsigned char renew:1;
|
|
};
|
|
|
|
struct nfs4_fsid_present_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs_fh *fh;
|
|
unsigned char renew:1;
|
|
};
|
|
|
|
#endif /* CONFIG_NFS_V4 */
|
|
|
|
struct nfstime4 {
|
|
u64 seconds;
|
|
u32 nseconds;
|
|
};
|
|
|
|
#ifdef CONFIG_NFS_V4_1
|
|
|
|
struct pnfs_commit_bucket {
|
|
struct list_head written;
|
|
struct list_head committing;
|
|
struct pnfs_layout_segment *wlseg;
|
|
struct pnfs_layout_segment *clseg;
|
|
struct nfs_writeverf direct_verf;
|
|
};
|
|
|
|
struct pnfs_ds_commit_info {
|
|
int nwritten;
|
|
int ncommitting;
|
|
int nbuckets;
|
|
struct pnfs_commit_bucket *buckets;
|
|
};
|
|
|
|
struct nfs41_state_protection {
|
|
u32 how;
|
|
struct nfs4_op_map enforce;
|
|
struct nfs4_op_map allow;
|
|
};
|
|
|
|
struct nfs41_exchange_id_args {
|
|
struct nfs_client *client;
|
|
nfs4_verifier verifier;
|
|
u32 flags;
|
|
struct nfs41_state_protection state_protect;
|
|
};
|
|
|
|
struct nfs41_server_owner {
|
|
uint64_t minor_id;
|
|
uint32_t major_id_sz;
|
|
char major_id[NFS4_OPAQUE_LIMIT];
|
|
};
|
|
|
|
struct nfs41_server_scope {
|
|
uint32_t server_scope_sz;
|
|
char server_scope[NFS4_OPAQUE_LIMIT];
|
|
};
|
|
|
|
struct nfs41_impl_id {
|
|
char domain[NFS4_OPAQUE_LIMIT + 1];
|
|
char name[NFS4_OPAQUE_LIMIT + 1];
|
|
struct nfstime4 date;
|
|
};
|
|
|
|
struct nfs41_bind_conn_to_session_args {
|
|
struct nfs_client *client;
|
|
struct nfs4_sessionid sessionid;
|
|
u32 dir;
|
|
bool use_conn_in_rdma_mode;
|
|
};
|
|
|
|
struct nfs41_bind_conn_to_session_res {
|
|
struct nfs4_sessionid sessionid;
|
|
u32 dir;
|
|
bool use_conn_in_rdma_mode;
|
|
};
|
|
|
|
struct nfs41_exchange_id_res {
|
|
u64 clientid;
|
|
u32 seqid;
|
|
u32 flags;
|
|
struct nfs41_server_owner *server_owner;
|
|
struct nfs41_server_scope *server_scope;
|
|
struct nfs41_impl_id *impl_id;
|
|
struct nfs41_state_protection state_protect;
|
|
};
|
|
|
|
struct nfs41_create_session_args {
|
|
struct nfs_client *client;
|
|
u64 clientid;
|
|
uint32_t seqid;
|
|
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 nfs4_sessionid sessionid;
|
|
uint32_t seqid;
|
|
uint32_t flags;
|
|
struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
|
|
struct nfs4_channel_attrs bc_attrs; /* Back Channel */
|
|
};
|
|
|
|
struct nfs41_reclaim_complete_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
/* In the future extend to include curr_fh for use with migration */
|
|
unsigned char one_fs:1;
|
|
};
|
|
|
|
struct nfs41_reclaim_complete_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
};
|
|
|
|
#define SECINFO_STYLE_CURRENT_FH 0
|
|
#define SECINFO_STYLE_PARENT 1
|
|
struct nfs41_secinfo_no_name_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
int style;
|
|
};
|
|
|
|
struct nfs41_test_stateid_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
nfs4_stateid *stateid;
|
|
};
|
|
|
|
struct nfs41_test_stateid_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
unsigned int status;
|
|
};
|
|
|
|
struct nfs41_free_stateid_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
nfs4_stateid stateid;
|
|
};
|
|
|
|
struct nfs41_free_stateid_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
unsigned int status;
|
|
};
|
|
|
|
static inline void
|
|
nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
|
|
{
|
|
kfree(cinfo->buckets);
|
|
}
|
|
|
|
#else
|
|
|
|
struct pnfs_ds_commit_info {
|
|
};
|
|
|
|
static inline void
|
|
nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_NFS_V4_1 */
|
|
|
|
#ifdef CONFIG_NFS_V4_2
|
|
struct nfs42_falloc_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
|
|
struct nfs_fh *falloc_fh;
|
|
nfs4_stateid falloc_stateid;
|
|
u64 falloc_offset;
|
|
u64 falloc_length;
|
|
const u32 *falloc_bitmask;
|
|
};
|
|
|
|
struct nfs42_falloc_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
unsigned int status;
|
|
|
|
struct nfs_fattr *falloc_fattr;
|
|
const struct nfs_server *falloc_server;
|
|
};
|
|
|
|
struct nfs42_copy_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
|
|
struct nfs_fh *src_fh;
|
|
nfs4_stateid src_stateid;
|
|
u64 src_pos;
|
|
|
|
struct nfs_fh *dst_fh;
|
|
nfs4_stateid dst_stateid;
|
|
u64 dst_pos;
|
|
|
|
u64 count;
|
|
};
|
|
|
|
struct nfs42_write_res {
|
|
u64 count;
|
|
struct nfs_writeverf verifier;
|
|
};
|
|
|
|
struct nfs42_copy_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
struct nfs42_write_res write_res;
|
|
bool consecutive;
|
|
bool synchronous;
|
|
struct nfs_commitres commit_res;
|
|
};
|
|
|
|
struct nfs42_seek_args {
|
|
struct nfs4_sequence_args seq_args;
|
|
|
|
struct nfs_fh *sa_fh;
|
|
nfs4_stateid sa_stateid;
|
|
u64 sa_offset;
|
|
u32 sa_what;
|
|
};
|
|
|
|
struct nfs42_seek_res {
|
|
struct nfs4_sequence_res seq_res;
|
|
unsigned int status;
|
|
|
|
u32 sr_eof;
|
|
u64 sr_offset;
|
|
};
|
|
#endif
|
|
|
|
struct nfs_page;
|
|
|
|
#define NFS_PAGEVEC_SIZE (8U)
|
|
|
|
struct nfs_page_array {
|
|
struct page **pagevec;
|
|
unsigned int npages; /* Max length of pagevec */
|
|
struct page *page_array[NFS_PAGEVEC_SIZE];
|
|
};
|
|
|
|
/* used as flag bits in nfs_pgio_header */
|
|
enum {
|
|
NFS_IOHDR_ERROR = 0,
|
|
NFS_IOHDR_EOF,
|
|
NFS_IOHDR_REDO,
|
|
NFS_IOHDR_STAT,
|
|
};
|
|
|
|
struct nfs_io_completion;
|
|
struct nfs_pgio_header {
|
|
struct inode *inode;
|
|
struct rpc_cred *cred;
|
|
struct list_head pages;
|
|
struct nfs_page *req;
|
|
struct nfs_writeverf verf; /* Used for writes */
|
|
fmode_t rw_mode;
|
|
struct pnfs_layout_segment *lseg;
|
|
loff_t io_start;
|
|
const struct rpc_call_ops *mds_ops;
|
|
void (*release) (struct nfs_pgio_header *hdr);
|
|
const struct nfs_pgio_completion_ops *completion_ops;
|
|
const struct nfs_rw_ops *rw_ops;
|
|
struct nfs_io_completion *io_completion;
|
|
struct nfs_direct_req *dreq;
|
|
spinlock_t lock;
|
|
/* fields protected by lock */
|
|
int pnfs_error;
|
|
int error; /* merge with pnfs_error */
|
|
unsigned long good_bytes; /* boundary of good data */
|
|
unsigned long flags;
|
|
|
|
/*
|
|
* rpc data
|
|
*/
|
|
struct rpc_task task;
|
|
struct nfs_fattr fattr;
|
|
struct nfs_pgio_args args; /* argument struct */
|
|
struct nfs_pgio_res res; /* result struct */
|
|
unsigned long timestamp; /* For lease renewal */
|
|
int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
|
|
__u64 mds_offset; /* Filelayout dense stripe */
|
|
struct nfs_page_array page_array;
|
|
struct nfs_client *ds_clp; /* pNFS data server */
|
|
int ds_commit_idx; /* ds index if ds_clp is set */
|
|
int pgio_mirror_idx;/* mirror index in pgio layer */
|
|
};
|
|
|
|
struct nfs_mds_commit_info {
|
|
atomic_t rpcs_out;
|
|
unsigned long ncommit;
|
|
struct list_head list;
|
|
};
|
|
|
|
struct nfs_commit_info;
|
|
struct nfs_commit_data;
|
|
struct nfs_inode;
|
|
struct nfs_commit_completion_ops {
|
|
void (*completion) (struct nfs_commit_data *data);
|
|
void (*resched_write) (struct nfs_commit_info *, struct nfs_page *);
|
|
};
|
|
|
|
struct nfs_commit_info {
|
|
struct inode *inode; /* Needed for inode->i_lock */
|
|
struct nfs_mds_commit_info *mds;
|
|
struct pnfs_ds_commit_info *ds;
|
|
struct nfs_direct_req *dreq; /* O_DIRECT request */
|
|
const struct nfs_commit_completion_ops *completion_ops;
|
|
};
|
|
|
|
struct nfs_commit_data {
|
|
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 list_head list; /* lists of struct nfs_write_data */
|
|
struct nfs_direct_req *dreq; /* O_DIRECT request */
|
|
struct nfs_commitargs args; /* argument struct */
|
|
struct nfs_commitres res; /* result struct */
|
|
struct nfs_open_context *context;
|
|
struct pnfs_layout_segment *lseg;
|
|
struct nfs_client *ds_clp; /* pNFS data server */
|
|
int ds_commit_index;
|
|
loff_t lwb;
|
|
const struct rpc_call_ops *mds_ops;
|
|
const struct nfs_commit_completion_ops *completion_ops;
|
|
int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
|
|
unsigned long flags;
|
|
};
|
|
|
|
struct nfs_pgio_completion_ops {
|
|
void (*error_cleanup)(struct list_head *head);
|
|
void (*init_hdr)(struct nfs_pgio_header *hdr);
|
|
void (*completion)(struct nfs_pgio_header *hdr);
|
|
void (*reschedule_io)(struct nfs_pgio_header *hdr);
|
|
};
|
|
|
|
struct nfs_unlinkdata {
|
|
struct nfs_removeargs args;
|
|
struct nfs_removeres res;
|
|
struct dentry *dentry;
|
|
wait_queue_head_t wq;
|
|
struct rpc_cred *cred;
|
|
struct nfs_fattr dir_attr;
|
|
long timeout;
|
|
};
|
|
|
|
struct nfs_renamedata {
|
|
struct nfs_renameargs args;
|
|
struct nfs_renameres res;
|
|
struct rpc_cred *cred;
|
|
struct inode *old_dir;
|
|
struct dentry *old_dentry;
|
|
struct nfs_fattr old_fattr;
|
|
struct inode *new_dir;
|
|
struct dentry *new_dentry;
|
|
struct nfs_fattr new_fattr;
|
|
void (*complete)(struct rpc_task *, struct nfs_renamedata *);
|
|
long timeout;
|
|
bool cancelled;
|
|
};
|
|
|
|
struct nfs_access_entry;
|
|
struct nfs_client;
|
|
struct rpc_timeout;
|
|
struct nfs_subversion;
|
|
struct nfs_mount_info;
|
|
struct nfs_client_initdata;
|
|
struct nfs_pageio_descriptor;
|
|
|
|
/*
|
|
* 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;
|
|
const struct file_operations *file_ops;
|
|
const struct nlmclnt_operations *nlmclnt_ops;
|
|
|
|
int (*getroot) (struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_fsinfo *);
|
|
struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
|
|
struct nfs_fh *, struct nfs_fattr *);
|
|
struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
|
|
struct nfs_subversion *);
|
|
int (*getattr) (struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_fattr *, struct nfs4_label *);
|
|
int (*setattr) (struct dentry *, struct nfs_fattr *,
|
|
struct iattr *);
|
|
int (*lookup) (struct inode *, const struct qstr *,
|
|
struct nfs_fh *, struct nfs_fattr *,
|
|
struct nfs4_label *);
|
|
int (*lookupp) (struct inode *, struct nfs_fh *,
|
|
struct nfs_fattr *, struct nfs4_label *);
|
|
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);
|
|
int (*remove) (struct inode *, const struct qstr *);
|
|
void (*unlink_setup) (struct rpc_message *, struct inode *dir);
|
|
void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
|
|
int (*unlink_done) (struct rpc_task *, struct inode *);
|
|
void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
|
|
void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
|
|
int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
|
|
int (*link) (struct inode *, struct inode *, const 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 *, const struct qstr *);
|
|
int (*readdir) (struct dentry *, struct rpc_cred *,
|
|
u64, struct page **, unsigned int, bool);
|
|
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 *);
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int (*pathconf) (struct nfs_server *, struct nfs_fh *,
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struct nfs_pathconf *);
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int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
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int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, bool);
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int (*pgio_rpc_prepare)(struct rpc_task *,
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struct nfs_pgio_header *);
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void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
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int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
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void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
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int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
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|
void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
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void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
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int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
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|
int (*lock)(struct file *, int, struct file_lock *);
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|
int (*lock_check_bounds)(const struct file_lock *);
|
|
void (*clear_acl_cache)(struct inode *);
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|
void (*close_context)(struct nfs_open_context *ctx, int);
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|
struct inode * (*open_context) (struct inode *dir,
|
|
struct nfs_open_context *ctx,
|
|
int open_flags,
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|
struct iattr *iattr,
|
|
int *);
|
|
int (*have_delegation)(struct inode *, fmode_t);
|
|
int (*return_delegation)(struct inode *);
|
|
struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
|
|
struct nfs_client *(*init_client) (struct nfs_client *,
|
|
const struct nfs_client_initdata *);
|
|
void (*free_client) (struct nfs_client *);
|
|
struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
|
|
struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
|
|
struct nfs_fattr *, rpc_authflavor_t);
|
|
};
|
|
|
|
/*
|
|
* 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 const struct rpc_version nfs_version2;
|
|
extern const struct rpc_version nfs_version3;
|
|
extern const struct rpc_version nfs_version4;
|
|
|
|
extern const struct rpc_version nfsacl_version3;
|
|
extern const struct rpc_program nfsacl_program;
|
|
|
|
#endif
|