diff options
Diffstat (limited to 'fs/nfs/proc.c')
| -rw-r--r-- | fs/nfs/proc.c | 771 |
1 files changed, 771 insertions, 0 deletions
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c new file mode 100644 index 00000000..b63b6f4d --- /dev/null +++ b/fs/nfs/proc.c @@ -0,0 +1,771 @@ +/* + * linux/fs/nfs/proc.c + * + * Copyright (C) 1992, 1993, 1994 Rick Sladkey + * + * OS-independent nfs remote procedure call functions + * + * Tuned by Alan Cox <A.Cox@swansea.ac.uk> for >3K buffers + * so at last we can have decent(ish) throughput off a + * Sun server. + * + * Coding optimized and cleaned up by Florian La Roche. + * Note: Error returns are optimized for NFS_OK, which isn't translated via + * nfs_stat_to_errno(), but happens to be already the right return code. + * + * Also, the code currently doesn't check the size of the packet, when + * it decodes the packet. + * + * Feel free to fix it and mail me the diffs if it worries you. + * + * Completely rewritten to support the new RPC call interface; + * rewrote and moved the entire XDR stuff to xdr.c + * --Olaf Kirch June 1996 + * + * The code below initializes all auto variables explicitly, otherwise + * it will fail to work as a module (gcc generates a memset call for an + * incomplete struct). + */ + +#include <linux/types.h> +#include <linux/param.h> +#include <linux/time.h> +#include <linux/mm.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/in.h> +#include <linux/pagemap.h> +#include <linux/sunrpc/clnt.h> +#include <linux/nfs.h> +#include <linux/nfs2.h> +#include <linux/nfs_fs.h> +#include <linux/nfs_page.h> +#include <linux/lockd/bind.h> +#include <linux/freezer.h> +#include "internal.h" + +#define NFSDBG_FACILITY NFSDBG_PROC + +/* + * wrapper to handle the -EKEYEXPIRED error message. This should generally + * only happen if using krb5 auth and a user's TGT expires. NFSv2 doesn't + * support the NFSERR_JUKEBOX error code, but we handle this situation in the + * same way that we handle that error with NFSv3. + */ +static int +nfs_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) +{ + int res; + do { + res = rpc_call_sync(clnt, msg, flags); + if (res != -EKEYEXPIRED) + break; + freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); + res = -ERESTARTSYS; + } while (!fatal_signal_pending(current)); + return res; +} + +#define rpc_call_sync(clnt, msg, flags) nfs_rpc_wrapper(clnt, msg, flags) + +static int +nfs_async_handle_expired_key(struct rpc_task *task) +{ + if (task->tk_status != -EKEYEXPIRED) + return 0; + task->tk_status = 0; + rpc_restart_call(task); + rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); + return 1; +} + +/* + * Bare-bones access to getattr: this is for nfs_read_super. + */ +static int +nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, + struct nfs_fsinfo *info) +{ + struct nfs_fattr *fattr = info->fattr; + struct nfs2_fsstat fsinfo; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], + .rpc_argp = fhandle, + .rpc_resp = fattr, + }; + int status; + + dprintk("%s: call getattr\n", __func__); + nfs_fattr_init(fattr); + status = rpc_call_sync(server->client, &msg, 0); + /* Retry with default authentication if different */ + if (status && server->nfs_client->cl_rpcclient != server->client) + status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); + dprintk("%s: reply getattr: %d\n", __func__, status); + if (status) + return status; + dprintk("%s: call statfs\n", __func__); + msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS]; + msg.rpc_resp = &fsinfo; + status = rpc_call_sync(server->client, &msg, 0); + /* Retry with default authentication if different */ + if (status && server->nfs_client->cl_rpcclient != server->client) + status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); + dprintk("%s: reply statfs: %d\n", __func__, status); + if (status) + return status; + info->rtmax = NFS_MAXDATA; + info->rtpref = fsinfo.tsize; + info->rtmult = fsinfo.bsize; + info->wtmax = NFS_MAXDATA; + info->wtpref = fsinfo.tsize; + info->wtmult = fsinfo.bsize; + info->dtpref = fsinfo.tsize; + info->maxfilesize = 0x7FFFFFFF; + info->lease_time = 0; + return 0; +} + +/* + * One function for each procedure in the NFS protocol. + */ +static int +nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, + struct nfs_fattr *fattr) +{ + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], + .rpc_argp = fhandle, + .rpc_resp = fattr, + }; + int status; + + dprintk("NFS call getattr\n"); + nfs_fattr_init(fattr); + status = rpc_call_sync(server->client, &msg, 0); + dprintk("NFS reply getattr: %d\n", status); + return status; +} + +static int +nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, + struct iattr *sattr) +{ + struct inode *inode = dentry->d_inode; + struct nfs_sattrargs arg = { + .fh = NFS_FH(inode), + .sattr = sattr + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_SETATTR], + .rpc_argp = &arg, + .rpc_resp = fattr, + }; + int status; + + /* Mask out the non-modebit related stuff from attr->ia_mode */ + sattr->ia_mode &= S_IALLUGO; + + dprintk("NFS call setattr\n"); + if (sattr->ia_valid & ATTR_FILE) + msg.rpc_cred = nfs_file_cred(sattr->ia_file); + nfs_fattr_init(fattr); + status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); + if (status == 0) + nfs_setattr_update_inode(inode, sattr); + dprintk("NFS reply setattr: %d\n", status); + return status; +} + +static int +nfs_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qstr *name, + struct nfs_fh *fhandle, struct nfs_fattr *fattr) +{ + struct nfs_diropargs arg = { + .fh = NFS_FH(dir), + .name = name->name, + .len = name->len + }; + struct nfs_diropok res = { + .fh = fhandle, + .fattr = fattr + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP], + .rpc_argp = &arg, + .rpc_resp = &res, + }; + int status; + + dprintk("NFS call lookup %s\n", name->name); + nfs_fattr_init(fattr); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + dprintk("NFS reply lookup: %d\n", status); + return status; +} + +static int nfs_proc_readlink(struct inode *inode, struct page *page, + unsigned int pgbase, unsigned int pglen) +{ + struct nfs_readlinkargs args = { + .fh = NFS_FH(inode), + .pgbase = pgbase, + .pglen = pglen, + .pages = &page + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_READLINK], + .rpc_argp = &args, + }; + int status; + + dprintk("NFS call readlink\n"); + status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); + dprintk("NFS reply readlink: %d\n", status); + return status; +} + +struct nfs_createdata { + struct nfs_createargs arg; + struct nfs_diropok res; + struct nfs_fh fhandle; + struct nfs_fattr fattr; +}; + +static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir, + struct dentry *dentry, struct iattr *sattr) +{ + struct nfs_createdata *data; + + data = kmalloc(sizeof(*data), GFP_KERNEL); + + if (data != NULL) { + data->arg.fh = NFS_FH(dir); + data->arg.name = dentry->d_name.name; + data->arg.len = dentry->d_name.len; + data->arg.sattr = sattr; + nfs_fattr_init(&data->fattr); + data->fhandle.size = 0; + data->res.fh = &data->fhandle; + data->res.fattr = &data->fattr; + } + return data; +}; + +static void nfs_free_createdata(const struct nfs_createdata *data) +{ + kfree(data); +} + +static int +nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, + int flags, struct nfs_open_context *ctx) +{ + struct nfs_createdata *data; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_CREATE], + }; + int status = -ENOMEM; + + dprintk("NFS call create %s\n", dentry->d_name.name); + data = nfs_alloc_createdata(dir, dentry, sattr); + if (data == NULL) + goto out; + msg.rpc_argp = &data->arg; + msg.rpc_resp = &data->res; + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + nfs_mark_for_revalidate(dir); + if (status == 0) + status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); + nfs_free_createdata(data); +out: + dprintk("NFS reply create: %d\n", status); + return status; +} + +/* + * In NFSv2, mknod is grafted onto the create call. + */ +static int +nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, + dev_t rdev) +{ + struct nfs_createdata *data; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_CREATE], + }; + umode_t mode; + int status = -ENOMEM; + + dprintk("NFS call mknod %s\n", dentry->d_name.name); + + mode = sattr->ia_mode; + if (S_ISFIFO(mode)) { + sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR; + sattr->ia_valid &= ~ATTR_SIZE; + } else if (S_ISCHR(mode) || S_ISBLK(mode)) { + sattr->ia_valid |= ATTR_SIZE; + sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ + } + + data = nfs_alloc_createdata(dir, dentry, sattr); + if (data == NULL) + goto out; + msg.rpc_argp = &data->arg; + msg.rpc_resp = &data->res; + + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + nfs_mark_for_revalidate(dir); + + if (status == -EINVAL && S_ISFIFO(mode)) { + sattr->ia_mode = mode; + nfs_fattr_init(data->res.fattr); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + } + if (status == 0) + status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); + nfs_free_createdata(data); +out: + dprintk("NFS reply mknod: %d\n", status); + return status; +} + +static int +nfs_proc_remove(struct inode *dir, struct qstr *name) +{ + struct nfs_removeargs arg = { + .fh = NFS_FH(dir), + .name.len = name->len, + .name.name = name->name, + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_REMOVE], + .rpc_argp = &arg, + }; + int status; + + dprintk("NFS call remove %s\n", name->name); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + nfs_mark_for_revalidate(dir); + + dprintk("NFS reply remove: %d\n", status); + return status; +} + +static void +nfs_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) +{ + msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE]; +} + +static void nfs_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) +{ + rpc_call_start(task); +} + +static int nfs_proc_unlink_done(struct rpc_task *task, struct inode *dir) +{ + if (nfs_async_handle_expired_key(task)) + return 0; + nfs_mark_for_revalidate(dir); + return 1; +} + +static void +nfs_proc_rename_setup(struct rpc_message *msg, struct inode *dir) +{ + msg->rpc_proc = &nfs_procedures[NFSPROC_RENAME]; +} + +static void nfs_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) +{ + rpc_call_start(task); +} + +static int +nfs_proc_rename_done(struct rpc_task *task, struct inode *old_dir, + struct inode *new_dir) +{ + if (nfs_async_handle_expired_key(task)) + return 0; + nfs_mark_for_revalidate(old_dir); + nfs_mark_for_revalidate(new_dir); + return 1; +} + +static int +nfs_proc_rename(struct inode *old_dir, struct qstr *old_name, + struct inode *new_dir, struct qstr *new_name) +{ + struct nfs_renameargs arg = { + .old_dir = NFS_FH(old_dir), + .old_name = old_name, + .new_dir = NFS_FH(new_dir), + .new_name = new_name, + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_RENAME], + .rpc_argp = &arg, + }; + int status; + + dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); + status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); + nfs_mark_for_revalidate(old_dir); + nfs_mark_for_revalidate(new_dir); + dprintk("NFS reply rename: %d\n", status); + return status; +} + +static int +nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) +{ + struct nfs_linkargs arg = { + .fromfh = NFS_FH(inode), + .tofh = NFS_FH(dir), + .toname = name->name, + .tolen = name->len + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_LINK], + .rpc_argp = &arg, + }; + int status; + + dprintk("NFS call link %s\n", name->name); + status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); + nfs_mark_for_revalidate(inode); + nfs_mark_for_revalidate(dir); + dprintk("NFS reply link: %d\n", status); + return status; +} + +static int +nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, + unsigned int len, struct iattr *sattr) +{ + struct nfs_fh *fh; + struct nfs_fattr *fattr; + struct nfs_symlinkargs arg = { + .fromfh = NFS_FH(dir), + .fromname = dentry->d_name.name, + .fromlen = dentry->d_name.len, + .pages = &page, + .pathlen = len, + .sattr = sattr + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK], + .rpc_argp = &arg, + }; + int status = -ENAMETOOLONG; + + dprintk("NFS call symlink %s\n", dentry->d_name.name); + + if (len > NFS2_MAXPATHLEN) + goto out; + + fh = nfs_alloc_fhandle(); + fattr = nfs_alloc_fattr(); + status = -ENOMEM; + if (fh == NULL || fattr == NULL) + goto out_free; + + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + nfs_mark_for_revalidate(dir); + + /* + * V2 SYMLINK requests don't return any attributes. Setting the + * filehandle size to zero indicates to nfs_instantiate that it + * should fill in the data with a LOOKUP call on the wire. + */ + if (status == 0) + status = nfs_instantiate(dentry, fh, fattr); + +out_free: + nfs_free_fattr(fattr); + nfs_free_fhandle(fh); +out: + dprintk("NFS reply symlink: %d\n", status); + return status; +} + +static int +nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) +{ + struct nfs_createdata *data; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], + }; + int status = -ENOMEM; + + dprintk("NFS call mkdir %s\n", dentry->d_name.name); + data = nfs_alloc_createdata(dir, dentry, sattr); + if (data == NULL) + goto out; + msg.rpc_argp = &data->arg; + msg.rpc_resp = &data->res; + + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + nfs_mark_for_revalidate(dir); + if (status == 0) + status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); + nfs_free_createdata(data); +out: + dprintk("NFS reply mkdir: %d\n", status); + return status; +} + +static int +nfs_proc_rmdir(struct inode *dir, struct qstr *name) +{ + struct nfs_diropargs arg = { + .fh = NFS_FH(dir), + .name = name->name, + .len = name->len + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_RMDIR], + .rpc_argp = &arg, + }; + int status; + + dprintk("NFS call rmdir %s\n", name->name); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + nfs_mark_for_revalidate(dir); + dprintk("NFS reply rmdir: %d\n", status); + return status; +} + +/* + * The READDIR implementation is somewhat hackish - we pass a temporary + * buffer to the encode function, which installs it in the receive + * the receive iovec. The decode function just parses the reply to make + * sure it is syntactically correct; the entries itself are decoded + * from nfs_readdir by calling the decode_entry function directly. + */ +static int +nfs_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, + u64 cookie, struct page **pages, unsigned int count, int plus) +{ + struct inode *dir = dentry->d_inode; + struct nfs_readdirargs arg = { + .fh = NFS_FH(dir), + .cookie = cookie, + .count = count, + .pages = pages, + }; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_READDIR], + .rpc_argp = &arg, + .rpc_cred = cred, + }; + int status; + + dprintk("NFS call readdir %d\n", (unsigned int)cookie); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + + nfs_invalidate_atime(dir); + + dprintk("NFS reply readdir: %d\n", status); + return status; +} + +static int +nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, + struct nfs_fsstat *stat) +{ + struct nfs2_fsstat fsinfo; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_STATFS], + .rpc_argp = fhandle, + .rpc_resp = &fsinfo, + }; + int status; + + dprintk("NFS call statfs\n"); + nfs_fattr_init(stat->fattr); + status = rpc_call_sync(server->client, &msg, 0); + dprintk("NFS reply statfs: %d\n", status); + if (status) + goto out; + stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize; + stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize; + stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize; + stat->tfiles = 0; + stat->ffiles = 0; + stat->afiles = 0; +out: + return status; +} + +static int +nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, + struct nfs_fsinfo *info) +{ + struct nfs2_fsstat fsinfo; + struct rpc_message msg = { + .rpc_proc = &nfs_procedures[NFSPROC_STATFS], + .rpc_argp = fhandle, + .rpc_resp = &fsinfo, + }; + int status; + + dprintk("NFS call fsinfo\n"); + nfs_fattr_init(info->fattr); + status = rpc_call_sync(server->client, &msg, 0); + dprintk("NFS reply fsinfo: %d\n", status); + if (status) + goto out; + info->rtmax = NFS_MAXDATA; + info->rtpref = fsinfo.tsize; + info->rtmult = fsinfo.bsize; + info->wtmax = NFS_MAXDATA; + info->wtpref = fsinfo.tsize; + info->wtmult = fsinfo.bsize; + info->dtpref = fsinfo.tsize; + info->maxfilesize = 0x7FFFFFFF; + info->lease_time = 0; +out: + return status; +} + +static int +nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, + struct nfs_pathconf *info) +{ + info->max_link = 0; + info->max_namelen = NFS2_MAXNAMLEN; + return 0; +} + +static int nfs_read_done(struct rpc_task *task, struct nfs_read_data *data) +{ + if (nfs_async_handle_expired_key(task)) + return -EAGAIN; + + nfs_invalidate_atime(data->inode); + if (task->tk_status >= 0) { + nfs_refresh_inode(data->inode, data->res.fattr); + /* Emulate the eof flag, which isn't normally needed in NFSv2 + * as it is guaranteed to always return the file attributes + */ + if (data->args.offset + data->args.count >= data->res.fattr->size) + data->res.eof = 1; + } + return 0; +} + +static void nfs_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) +{ + msg->rpc_proc = &nfs_procedures[NFSPROC_READ]; +} + +static void nfs_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data) +{ + rpc_call_start(task); +} + +static int nfs_write_done(struct rpc_task *task, struct nfs_write_data *data) +{ + if (nfs_async_handle_expired_key(task)) + return -EAGAIN; + + if (task->tk_status >= 0) + nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr); + return 0; +} + +static void nfs_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) +{ + /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ + data->args.stable = NFS_FILE_SYNC; + msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE]; +} + +static void nfs_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data) +{ + rpc_call_start(task); +} + +static void +nfs_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg) +{ + BUG(); +} + +static int +nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) +{ + struct inode *inode = filp->f_path.dentry->d_inode; + + return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); +} + +/* Helper functions for NFS lock bounds checking */ +#define NFS_LOCK32_OFFSET_MAX ((__s32)0x7fffffffUL) +static int nfs_lock_check_bounds(const struct file_lock *fl) +{ + __s32 start, end; + + start = (__s32)fl->fl_start; + if ((loff_t)start != fl->fl_start) + goto out_einval; + + if (fl->fl_end != OFFSET_MAX) { + end = (__s32)fl->fl_end; + if ((loff_t)end != fl->fl_end) + goto out_einval; + } else + end = NFS_LOCK32_OFFSET_MAX; + + if (start < 0 || start > end) + goto out_einval; + return 0; +out_einval: + return -EINVAL; +} + +const struct nfs_rpc_ops nfs_v2_clientops = { + .version = 2, /* protocol version */ + .dentry_ops = &nfs_dentry_operations, + .dir_inode_ops = &nfs_dir_inode_operations, + .file_inode_ops = &nfs_file_inode_operations, + .file_ops = &nfs_file_operations, + .getroot = nfs_proc_get_root, + .getattr = nfs_proc_getattr, + .setattr = nfs_proc_setattr, + .lookup = nfs_proc_lookup, + .access = NULL, /* access */ + .readlink = nfs_proc_readlink, + .create = nfs_proc_create, + .remove = nfs_proc_remove, + .unlink_setup = nfs_proc_unlink_setup, + .unlink_rpc_prepare = nfs_proc_unlink_rpc_prepare, + .unlink_done = nfs_proc_unlink_done, + .rename = nfs_proc_rename, + .rename_setup = nfs_proc_rename_setup, + .rename_rpc_prepare = nfs_proc_rename_rpc_prepare, + .rename_done = nfs_proc_rename_done, + .link = nfs_proc_link, + .symlink = nfs_proc_symlink, + .mkdir = nfs_proc_mkdir, + .rmdir = nfs_proc_rmdir, + .readdir = nfs_proc_readdir, + .mknod = nfs_proc_mknod, + .statfs = nfs_proc_statfs, + .fsinfo = nfs_proc_fsinfo, + .pathconf = nfs_proc_pathconf, + .decode_dirent = nfs2_decode_dirent, + .read_setup = nfs_proc_read_setup, + .read_rpc_prepare = nfs_proc_read_rpc_prepare, + .read_done = nfs_read_done, + .write_setup = nfs_proc_write_setup, + .write_rpc_prepare = nfs_proc_write_rpc_prepare, + .write_done = nfs_write_done, + .commit_setup = nfs_proc_commit_setup, + .lock = nfs_proc_lock, + .lock_check_bounds = nfs_lock_check_bounds, + .close_context = nfs_close_context, + .init_client = nfs_init_client, +}; 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