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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _LINUX_NFS_XDR_H
- #define _LINUX_NFS_XDR_H
- #include <linux/nfsacl.h>
- #include <linux/sunrpc/gss_api.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)
- #define NFS_BITMASK_SZ 3
- struct nfs4_string {
- unsigned int len;
- char *data;
- };
- 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 nfs4_threshold {
- __u32 bm;
- __u32 l_type;
- __u64 rd_sz;
- __u64 wr_sz;
- __u64 rd_io_sz;
- __u64 wr_io_sz;
- };
- struct nfs_fattr {
- unsigned int valid; /* which fields are valid */
- umode_t mode;
- __u32 nlink;
- kuid_t uid;
- kgid_t gid;
- dev_t rdev;
- __u64 size;
- union {
- struct {
- __u32 blocksize;
- __u32 blocks;
- } nfs2;
- struct {
- __u64 used;
- } nfs3;
- } du;
- struct nfs_fsid fsid;
- __u64 fileid;
- __u64 mounted_on_fileid;
- struct timespec64 atime;
- struct timespec64 mtime;
- struct timespec64 ctime;
- __u64 change_attr; /* NFSv4 change attribute */
- __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
- __u64 pre_size; /* pre_op_attr.size */
- struct timespec64 pre_mtime; /* pre_op_attr.mtime */
- struct timespec64 pre_ctime; /* pre_op_attr.ctime */
- unsigned long time_start;
- unsigned long gencount;
- struct nfs4_string *owner_name;
- struct nfs4_string *group_name;
- struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
- struct nfs4_label *label;
- };
- #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_LOCATIONS (1U << 19)
- #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
- #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
- #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
- #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
- #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
- #define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
- #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 \
- | NFS_ATTR_FATTR_CHANGE)
- #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_V4_SECURITY_LABEL)
- /*
- * Maximal number of supported layout drivers.
- */
- #define NFS_MAX_LAYOUT_TYPES 8
- /*
- * 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;
- struct timespec64 time_delta; /* server time granularity */
- __u32 lease_time; /* in seconds */
- __u32 nlayouttypes; /* number of layouttypes */
- __u32 layouttype[NFS_MAX_LAYOUT_TYPES]; /* supported pnfs layout driver */
- __u32 blksize; /* preferred pnfs io block size */
- __u32 clone_blksize; /* granularity of a CLONE operation */
- enum nfs4_change_attr_type
- change_attr_type; /* Info about change attr */
- __u32 xattr_support; /* User xattrs supported */
- };
- 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 max_rqst_sz;
- u32 max_resp_sz;
- u32 max_resp_sz_cached;
- u32 max_ops;
- u32 max_reqs;
- };
- struct nfs4_slot;
- struct nfs4_sequence_args {
- struct nfs4_slot *sa_slot;
- u8 sa_cache_this : 1,
- sa_privileged : 1;
- };
- struct nfs4_sequence_res {
- struct nfs4_slot *sr_slot; /* slot used to send request */
- unsigned long sr_timestamp;
- int sr_status; /* sequence operation status */
- u32 sr_status_flags;
- u32 sr_highest_slotid;
- u32 sr_target_highest_slotid;
- };
- struct nfs4_get_lease_time_args {
- struct nfs4_sequence_args la_seq_args;
- };
- struct nfs4_get_lease_time_res {
- struct nfs4_sequence_res lr_seq_res;
- struct nfs_fsinfo *lr_fsinfo;
- };
- struct xdr_stream;
- struct nfs4_xdr_opaque_data;
- struct nfs4_xdr_opaque_ops {
- void (*encode)(struct xdr_stream *, const void *args,
- const struct nfs4_xdr_opaque_data *);
- void (*free)(struct nfs4_xdr_opaque_data *);
- };
- struct nfs4_xdr_opaque_data {
- const struct nfs4_xdr_opaque_ops *ops;
- void *data;
- };
- #define PNFS_LAYOUT_MAXSIZE 4096
- struct nfs4_layoutdriver_data {
- struct page **pages;
- __u32 pglen;
- __u32 len;
- };
- struct pnfs_layout_range {
- u32 iomode;
- u64 offset;
- u64 length;
- };
- struct nfs4_layoutget_args {
- struct nfs4_sequence_args seq_args;
- __u32 type;
- struct pnfs_layout_range range;
- __u64 minlength;
- __u32 maxcount;
- struct inode *inode;
- struct nfs_open_context *ctx;
- nfs4_stateid stateid;
- struct nfs4_layoutdriver_data layout;
- };
- struct nfs4_layoutget_res {
- struct nfs4_sequence_res seq_res;
- int status;
- __u32 return_on_close;
- struct pnfs_layout_range range;
- __u32 type;
- nfs4_stateid stateid;
- struct nfs4_layoutdriver_data *layoutp;
- };
- struct nfs4_layoutget {
- struct nfs4_layoutget_args args;
- struct nfs4_layoutget_res res;
- const struct cred *cred;
- struct pnfs_layout_hdr *lo;
- gfp_t gfp_flags;
- };
- struct nfs4_getdeviceinfo_args {
- struct nfs4_sequence_args seq_args;
- struct pnfs_device *pdev;
- __u32 notify_types;
- };
- struct nfs4_getdeviceinfo_res {
- struct nfs4_sequence_res seq_res;
- struct pnfs_device *pdev;
- __u32 notification;
- };
- struct nfs4_layoutcommit_args {
- struct nfs4_sequence_args seq_args;
- nfs4_stateid stateid;
- __u64 lastbytewritten;
- struct inode *inode;
- const u32 *bitmask;
- size_t layoutupdate_len;
- struct page *layoutupdate_page;
- struct page **layoutupdate_pages;
- __be32 *start_p;
- };
- struct nfs4_layoutcommit_res {
- struct nfs4_sequence_res seq_res;
- struct nfs_fattr *fattr;
- const struct nfs_server *server;
- int status;
- };
- struct nfs4_layoutcommit_data {
- struct rpc_task task;
- struct nfs_fattr fattr;
- struct list_head lseg_list;
- const struct cred *cred;
- struct inode *inode;
- struct nfs4_layoutcommit_args args;
- struct nfs4_layoutcommit_res res;
- };
- struct nfs4_layoutreturn_args {
- struct nfs4_sequence_args seq_args;
- struct pnfs_layout_hdr *layout;
- struct inode *inode;
- struct pnfs_layout_range range;
- nfs4_stateid stateid;
- __u32 layout_type;
- struct nfs4_xdr_opaque_data *ld_private;
- };
- struct nfs4_layoutreturn_res {
- struct nfs4_sequence_res seq_res;
- u32 lrs_present;
- nfs4_stateid stateid;
- };
- struct nfs4_layoutreturn {
- struct nfs4_layoutreturn_args args;
- struct nfs4_layoutreturn_res res;
- const struct cred *cred;
- struct nfs_client *clp;
- struct inode *inode;
- int rpc_status;
- struct nfs4_xdr_opaque_data ld_private;
- };
- #define PNFS_LAYOUTSTATS_MAXSIZE 256
- struct nfs42_layoutstat_args;
- struct nfs42_layoutstat_devinfo;
- typedef void (*layoutstats_encode_t)(struct xdr_stream *,
- struct nfs42_layoutstat_args *,
- struct nfs42_layoutstat_devinfo *);
- /* Per file per deviceid layoutstats */
- struct nfs42_layoutstat_devinfo {
- struct nfs4_deviceid dev_id;
- __u64 offset;
- __u64 length;
- __u64 read_count;
- __u64 read_bytes;
- __u64 write_count;
- __u64 write_bytes;
- __u32 layout_type;
- struct nfs4_xdr_opaque_data ld_private;
- };
- struct nfs42_layoutstat_args {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh *fh;
- struct inode *inode;
- nfs4_stateid stateid;
- int num_dev;
- struct nfs42_layoutstat_devinfo *devinfo;
- };
- struct nfs42_layoutstat_res {
- struct nfs4_sequence_res seq_res;
- int num_dev;
- int rpc_status;
- };
- struct nfs42_layoutstat_data {
- struct inode *inode;
- struct nfs42_layoutstat_args args;
- struct nfs42_layoutstat_res res;
- };
- struct nfs42_device_error {
- struct nfs4_deviceid dev_id;
- int status;
- enum nfs_opnum4 opnum;
- };
- struct nfs42_layout_error {
- __u64 offset;
- __u64 length;
- nfs4_stateid stateid;
- struct nfs42_device_error errors[1];
- };
- #define NFS42_LAYOUTERROR_MAX 5
- struct nfs42_layouterror_args {
- struct nfs4_sequence_args seq_args;
- struct inode *inode;
- unsigned int num_errors;
- struct nfs42_layout_error errors[NFS42_LAYOUTERROR_MAX];
- };
- struct nfs42_layouterror_res {
- struct nfs4_sequence_res seq_res;
- unsigned int num_errors;
- int rpc_status;
- };
- struct nfs42_layouterror_data {
- struct nfs42_layouterror_args args;
- struct nfs42_layouterror_res res;
- struct inode *inode;
- struct pnfs_layout_segment *lseg;
- };
- struct nfs42_clone_args {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh *src_fh;
- struct nfs_fh *dst_fh;
- nfs4_stateid src_stateid;
- nfs4_stateid dst_stateid;
- __u64 src_offset;
- __u64 dst_offset;
- __u64 count;
- const u32 *dst_bitmask;
- };
- struct nfs42_clone_res {
- struct nfs4_sequence_res seq_res;
- unsigned int rpc_status;
- struct nfs_fattr *dst_fattr;
- const struct nfs_server *server;
- };
- struct stateowner_id {
- __u64 create_time;
- __u32 uniquifier;
- };
- /*
- * Arguments to the open call.
- */
- struct nfs_openargs {
- struct nfs4_sequence_args seq_args;
- const struct nfs_fh * fh;
- struct nfs_seqid * seqid;
- int open_flags;
- fmode_t fmode;
- u32 share_access;
- u32 access;
- __u64 clientid;
- struct stateowner_id id;
- union {
- struct {
- struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */
- 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;
- const u32 * open_bitmap;
- enum open_claim_type4 claim;
- enum createmode4 createmode;
- const struct nfs4_label *label;
- umode_t umask;
- struct nfs4_layoutget_args *lg_args;
- };
- struct nfs_openres {
- struct nfs4_sequence_res seq_res;
- nfs4_stateid stateid;
- struct nfs_fh fh;
- struct nfs4_change_info cinfo;
- __u32 rflags;
- struct nfs_fattr * f_attr;
- struct nfs_seqid * seqid;
- const struct nfs_server *server;
- fmode_t delegation_type;
- nfs4_stateid delegation;
- unsigned long pagemod_limit;
- __u32 do_recall;
- __u32 attrset[NFS4_BITMAP_SIZE];
- struct nfs4_string *owner;
- struct nfs4_string *group_owner;
- __u32 access_request;
- __u32 access_supported;
- __u32 access_result;
- struct nfs4_layoutget_res *lg_res;
- };
- /*
- * Arguments to the open_confirm call.
- */
- struct nfs_open_confirmargs {
- struct nfs4_sequence_args seq_args;
- const struct nfs_fh * fh;
- nfs4_stateid * stateid;
- struct nfs_seqid * seqid;
- };
- struct nfs_open_confirmres {
- struct nfs4_sequence_res seq_res;
- nfs4_stateid stateid;
- struct nfs_seqid * seqid;
- };
- /*
- * Arguments to the close call.
- */
- struct nfs_closeargs {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh * fh;
- nfs4_stateid stateid;
- struct nfs_seqid * seqid;
- fmode_t fmode;
- u32 share_access;
- const u32 * bitmask;
- u32 bitmask_store[NFS_BITMASK_SZ];
- struct nfs4_layoutreturn_args *lr_args;
- };
- struct nfs_closeres {
- struct nfs4_sequence_res seq_res;
- nfs4_stateid stateid;
- struct nfs_fattr * fattr;
- struct nfs_seqid * seqid;
- const struct nfs_server *server;
- struct nfs4_layoutreturn_res *lr_res;
- int lr_ret;
- };
- /*
- * * Arguments to the lock,lockt, and locku call.
- * */
- struct nfs_lowner {
- __u64 clientid;
- __u64 id;
- dev_t s_dev;
- };
- 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;
- u32 bitmask_store[NFS_BITMASK_SZ];
- 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;
- union {
- unsigned int replen; /* used by read */
- struct {
- const u32 * bitmask; /* used by write */
- u32 bitmask_store[NFS_BITMASK_SZ]; /* 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;
- __u64 count;
- __u32 op_status;
- union {
- struct {
- unsigned int replen; /* used by read */
- int eof; /* used by read */
- void * scratch; /* used by read */
- };
- struct {
- 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;
- const char * name;
- unsigned int len;
- int eof;
- struct nfs_fh * fh;
- struct nfs_fattr * fattr;
- unsigned char d_type;
- struct nfs_server * server;
- };
- struct nfs_readdir_arg {
- struct dentry *dentry;
- const struct cred *cred;
- __be32 *verf;
- u64 cookie;
- struct page **pages;
- unsigned int page_len;
- bool plus;
- };
- struct nfs_readdir_res {
- __be32 *verf;
- };
- /*
- * 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;
- };
- enum nfs4_acl_type {
- NFS4ACL_NONE = 0,
- NFS4ACL_ACL,
- NFS4ACL_DACL,
- NFS4ACL_SACL,
- };
- struct nfs_setaclargs {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh * fh;
- enum nfs4_acl_type acl_type;
- 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;
- enum nfs4_acl_type acl_type;
- 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;
- enum nfs4_acl_type acl_type;
- 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;
- 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 timespec64 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_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_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_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_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_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;
- u32 case_insensitive;
- u32 case_preserving;
- };
- #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[];
- };
- 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 *lseg;
- struct nfs_writeverf direct_verf;
- };
- struct pnfs_commit_array {
- struct list_head cinfo_list;
- struct list_head lseg_list;
- struct pnfs_layout_segment *lseg;
- struct rcu_head rcu;
- refcount_t refcount;
- unsigned int nbuckets;
- struct pnfs_commit_bucket buckets[];
- };
- struct pnfs_ds_commit_info {
- struct list_head commits;
- unsigned int nwritten;
- unsigned int ncommitting;
- const struct pnfs_commit_ops *ops;
- };
- 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;
- };
- #define MAX_BIND_CONN_TO_SESSION_RETRIES 3
- struct nfs41_bind_conn_to_session_args {
- struct nfs_client *client;
- struct nfs4_sessionid sessionid;
- u32 dir;
- bool use_conn_in_rdma_mode;
- int retries;
- };
- 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;
- };
- #else
- struct pnfs_ds_commit_info {
- };
- #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;
- bool sync;
- struct nl4_server *cp_src;
- };
- struct nfs42_write_res {
- nfs4_stateid stateid;
- 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_offload_status_args {
- struct nfs4_sequence_args osa_seq_args;
- struct nfs_fh *osa_src_fh;
- nfs4_stateid osa_stateid;
- };
- struct nfs42_offload_status_res {
- struct nfs4_sequence_res osr_seq_res;
- uint64_t osr_count;
- int osr_status;
- };
- struct nfs42_copy_notify_args {
- struct nfs4_sequence_args cna_seq_args;
- struct nfs_fh *cna_src_fh;
- nfs4_stateid cna_src_stateid;
- struct nl4_server cna_dst;
- };
- struct nfs42_copy_notify_res {
- struct nfs4_sequence_res cnr_seq_res;
- struct nfstime4 cnr_lease_time;
- nfs4_stateid cnr_stateid;
- struct nl4_server cnr_src;
- };
- 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;
- };
- struct nfs42_setxattrargs {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh *fh;
- const char *xattr_name;
- u32 xattr_flags;
- size_t xattr_len;
- struct page **xattr_pages;
- };
- struct nfs42_setxattrres {
- struct nfs4_sequence_res seq_res;
- struct nfs4_change_info cinfo;
- };
- struct nfs42_getxattrargs {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh *fh;
- const char *xattr_name;
- size_t xattr_len;
- struct page **xattr_pages;
- };
- struct nfs42_getxattrres {
- struct nfs4_sequence_res seq_res;
- size_t xattr_len;
- };
- struct nfs42_listxattrsargs {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh *fh;
- u32 count;
- u64 cookie;
- struct page **xattr_pages;
- };
- struct nfs42_listxattrsres {
- struct nfs4_sequence_res seq_res;
- struct page *scratch;
- void *xattr_buf;
- size_t xattr_len;
- u64 cookie;
- bool eof;
- size_t copied;
- };
- struct nfs42_removexattrargs {
- struct nfs4_sequence_args seq_args;
- struct nfs_fh *fh;
- const char *xattr_name;
- };
- struct nfs42_removexattrres {
- struct nfs4_sequence_res seq_res;
- struct nfs4_change_info cinfo;
- };
- #endif /* CONFIG_NFS_V4_2 */
- 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,
- NFS_IOHDR_RESEND_PNFS,
- NFS_IOHDR_RESEND_MDS,
- NFS_IOHDR_UNSTABLE_WRITES,
- };
- struct nfs_io_completion;
- struct nfs_pgio_header {
- struct inode *inode;
- const struct 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;
- int pnfs_error;
- int error; /* merge with pnfs_error */
- unsigned int 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 */
- u32 ds_commit_idx; /* ds index if ds_clp is set */
- u32 pgio_mirror_idx;/* mirror index in pgio layer */
- };
- struct nfs_mds_commit_info {
- atomic_t rpcs_out;
- atomic_long_t 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;
- const struct 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, int);
- 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;
- const struct cred *cred;
- struct nfs_fattr dir_attr;
- long timeout;
- };
- struct nfs_renamedata {
- struct nfs_renameargs args;
- struct nfs_renameres res;
- struct rpc_task task;
- const struct 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;
- struct fs_context;
- /*
- * 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 *);
- int (*submount) (struct fs_context *, struct nfs_server *);
- int (*try_get_tree) (struct fs_context *);
- int (*getattr) (struct nfs_server *, struct nfs_fh *,
- struct nfs_fattr *, struct inode *);
- int (*setattr) (struct dentry *, struct nfs_fattr *,
- struct iattr *);
- int (*lookup) (struct inode *, struct dentry *,
- struct nfs_fh *, struct nfs_fattr *);
- int (*lookupp) (struct inode *, struct nfs_fh *,
- struct nfs_fattr *);
- int (*access) (struct inode *, struct nfs_access_entry *, const struct cred *);
- int (*readlink)(struct inode *, struct page *, unsigned int,
- unsigned int);
- int (*create) (struct inode *, struct dentry *,
- struct iattr *, int);
- int (*remove) (struct inode *, struct dentry *);
- void (*unlink_setup) (struct rpc_message *, struct dentry *, struct inode *);
- 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 dentry *old_dentry,
- struct dentry *new_dentry);
- 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 nfs_readdir_arg *, struct nfs_readdir_res *);
- 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 *);
- int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, bool);
- int (*pgio_rpc_prepare)(struct rpc_task *,
- struct nfs_pgio_header *);
- void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
- int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
- void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *,
- struct rpc_clnt **);
- int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
- void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *,
- struct rpc_clnt **);
- void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
- int (*commit_done) (struct rpc_task *, struct nfs_commit_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);
- struct inode * (*open_context) (struct inode *dir,
- struct nfs_open_context *ctx,
- int open_flags,
- struct iattr *iattr,
- int *);
- int (*have_delegation)(struct inode *, fmode_t);
- 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 fs_context *);
- struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
- struct nfs_fattr *, rpc_authflavor_t);
- int (*discover_trunking)(struct nfs_server *, struct nfs_fh *);
- void (*enable_swap)(struct inode *inode);
- void (*disable_swap)(struct inode *inode);
- };
- /*
- * 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
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