1 // SPDX-License-Identifier: GPL-2.0
3 * linux/fs/nfs/nfs3proc.c
5 * Client-side NFSv3 procedures stubs.
7 * Copyright (C) 1997, Olaf Kirch
11 #include <linux/errno.h>
12 #include <linux/string.h>
13 #include <linux/sunrpc/clnt.h>
14 #include <linux/slab.h>
15 #include <linux/nfs.h>
16 #include <linux/nfs3.h>
17 #include <linux/nfs_fs.h>
18 #include <linux/nfs_page.h>
19 #include <linux/lockd/bind.h>
20 #include <linux/nfs_mount.h>
21 #include <linux/freezer.h>
22 #include <linux/xattr.h>
28 #define NFSDBG_FACILITY NFSDBG_PROC
30 /* A wrapper to handle the EJUKEBOX error messages */
32 nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
36 res = rpc_call_sync(clnt, msg, flags);
39 freezable_schedule_timeout_killable_unsafe(NFS_JUKEBOX_RETRY_TIME);
41 } while (!fatal_signal_pending(current));
45 #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags)
48 nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
50 if (task->tk_status != -EJUKEBOX)
52 if (task->tk_status == -EJUKEBOX)
53 nfs_inc_stats(inode, NFSIOS_DELAY);
55 rpc_restart_call(task);
56 rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
61 do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
62 struct nfs_fsinfo *info)
64 struct rpc_message msg = {
65 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
71 dprintk("%s: call fsinfo\n", __func__);
72 nfs_fattr_init(info->fattr);
73 status = rpc_call_sync(client, &msg, 0);
74 dprintk("%s: reply fsinfo: %d\n", __func__, status);
75 if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) {
76 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
77 msg.rpc_resp = info->fattr;
78 status = rpc_call_sync(client, &msg, 0);
79 dprintk("%s: reply getattr: %d\n", __func__, status);
85 * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb
88 nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
89 struct nfs_fsinfo *info)
93 status = do_proc_get_root(server->client, fhandle, info);
94 if (status && server->nfs_client->cl_rpcclient != server->client)
95 status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info);
100 * One function for each procedure in the NFS protocol.
103 nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
104 struct nfs_fattr *fattr, struct nfs4_label *label)
106 struct rpc_message msg = {
107 .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR],
113 dprintk("NFS call getattr\n");
114 nfs_fattr_init(fattr);
115 status = rpc_call_sync(server->client, &msg, 0);
116 dprintk("NFS reply getattr: %d\n", status);
121 nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
124 struct inode *inode = d_inode(dentry);
125 struct nfs3_sattrargs arg = {
129 struct rpc_message msg = {
130 .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR],
136 dprintk("NFS call setattr\n");
137 if (sattr->ia_valid & ATTR_FILE)
138 msg.rpc_cred = nfs_file_cred(sattr->ia_file);
139 nfs_fattr_init(fattr);
140 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
142 if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL)
143 nfs_zap_acl_cache(inode);
144 nfs_setattr_update_inode(inode, sattr, fattr);
146 dprintk("NFS reply setattr: %d\n", status);
151 nfs3_proc_lookup(struct inode *dir, const struct qstr *name,
152 struct nfs_fh *fhandle, struct nfs_fattr *fattr,
153 struct nfs4_label *label)
155 struct nfs3_diropargs arg = {
160 struct nfs3_diropres res = {
164 struct rpc_message msg = {
165 .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
171 dprintk("NFS call lookup %s\n", name->name);
172 res.dir_attr = nfs_alloc_fattr();
173 if (res.dir_attr == NULL)
176 nfs_fattr_init(fattr);
177 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
178 nfs_refresh_inode(dir, res.dir_attr);
179 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
180 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
181 msg.rpc_argp = fhandle;
182 msg.rpc_resp = fattr;
183 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
185 nfs_free_fattr(res.dir_attr);
186 dprintk("NFS reply lookup: %d\n", status);
190 static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
192 struct nfs3_accessargs arg = {
194 .access = entry->mask,
196 struct nfs3_accessres res;
197 struct rpc_message msg = {
198 .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
201 .rpc_cred = entry->cred,
203 int status = -ENOMEM;
205 dprintk("NFS call access\n");
206 res.fattr = nfs_alloc_fattr();
207 if (res.fattr == NULL)
210 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
211 nfs_refresh_inode(inode, res.fattr);
213 nfs_access_set_mask(entry, res.access);
214 nfs_free_fattr(res.fattr);
216 dprintk("NFS reply access: %d\n", status);
220 static int nfs3_proc_readlink(struct inode *inode, struct page *page,
221 unsigned int pgbase, unsigned int pglen)
223 struct nfs_fattr *fattr;
224 struct nfs3_readlinkargs args = {
230 struct rpc_message msg = {
231 .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
234 int status = -ENOMEM;
236 dprintk("NFS call readlink\n");
237 fattr = nfs_alloc_fattr();
240 msg.rpc_resp = fattr;
242 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
243 nfs_refresh_inode(inode, fattr);
244 nfs_free_fattr(fattr);
246 dprintk("NFS reply readlink: %d\n", status);
250 struct nfs3_createdata {
251 struct rpc_message msg;
253 struct nfs3_createargs create;
254 struct nfs3_mkdirargs mkdir;
255 struct nfs3_symlinkargs symlink;
256 struct nfs3_mknodargs mknod;
258 struct nfs3_diropres res;
260 struct nfs_fattr fattr;
261 struct nfs_fattr dir_attr;
264 static struct nfs3_createdata *nfs3_alloc_createdata(void)
266 struct nfs3_createdata *data;
268 data = kzalloc(sizeof(*data), GFP_KERNEL);
270 data->msg.rpc_argp = &data->arg;
271 data->msg.rpc_resp = &data->res;
272 data->res.fh = &data->fh;
273 data->res.fattr = &data->fattr;
274 data->res.dir_attr = &data->dir_attr;
275 nfs_fattr_init(data->res.fattr);
276 nfs_fattr_init(data->res.dir_attr);
281 static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
285 status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);
286 nfs_post_op_update_inode(dir, data->res.dir_attr);
288 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL);
292 static void nfs3_free_createdata(struct nfs3_createdata *data)
298 * Create a regular file.
301 nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
304 struct posix_acl *default_acl, *acl;
305 struct nfs3_createdata *data;
306 int status = -ENOMEM;
308 dprintk("NFS call create %pd\n", dentry);
310 data = nfs3_alloc_createdata();
314 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
315 data->arg.create.fh = NFS_FH(dir);
316 data->arg.create.name = dentry->d_name.name;
317 data->arg.create.len = dentry->d_name.len;
318 data->arg.create.sattr = sattr;
320 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
321 if (flags & O_EXCL) {
322 data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
323 data->arg.create.verifier[0] = cpu_to_be32(jiffies);
324 data->arg.create.verifier[1] = cpu_to_be32(current->pid);
327 status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
332 status = nfs3_do_create(dir, dentry, data);
334 if (status != -ENOTSUPP)
336 /* If the server doesn't support the exclusive creation
337 * semantics, try again with simple 'guarded' mode. */
338 switch (data->arg.create.createmode) {
339 case NFS3_CREATE_EXCLUSIVE:
340 data->arg.create.createmode = NFS3_CREATE_GUARDED;
343 case NFS3_CREATE_GUARDED:
344 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
347 case NFS3_CREATE_UNCHECKED:
350 nfs_fattr_init(data->res.dir_attr);
351 nfs_fattr_init(data->res.fattr);
355 goto out_release_acls;
357 /* When we created the file with exclusive semantics, make
358 * sure we set the attributes afterwards. */
359 if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
360 dprintk("NFS call setattr (post-create)\n");
362 if (!(sattr->ia_valid & ATTR_ATIME_SET))
363 sattr->ia_valid |= ATTR_ATIME;
364 if (!(sattr->ia_valid & ATTR_MTIME_SET))
365 sattr->ia_valid |= ATTR_MTIME;
367 /* Note: we could use a guarded setattr here, but I'm
368 * not sure this buys us anything (and I'd have
369 * to revamp the NFSv3 XDR code) */
370 status = nfs3_proc_setattr(dentry, data->res.fattr, sattr);
371 nfs_post_op_update_inode(d_inode(dentry), data->res.fattr);
372 dprintk("NFS reply setattr (post-create): %d\n", status);
374 goto out_release_acls;
377 status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl);
380 posix_acl_release(acl);
381 posix_acl_release(default_acl);
383 nfs3_free_createdata(data);
384 dprintk("NFS reply create: %d\n", status);
389 nfs3_proc_remove(struct inode *dir, struct dentry *dentry)
391 struct nfs_removeargs arg = {
393 .name = dentry->d_name,
395 struct nfs_removeres res;
396 struct rpc_message msg = {
397 .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
401 int status = -ENOMEM;
403 dprintk("NFS call remove %pd2\n", dentry);
404 res.dir_attr = nfs_alloc_fattr();
405 if (res.dir_attr == NULL)
408 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
409 nfs_post_op_update_inode(dir, res.dir_attr);
410 nfs_free_fattr(res.dir_attr);
412 dprintk("NFS reply remove: %d\n", status);
417 nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dentry)
419 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
422 static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data)
424 rpc_call_start(task);
428 nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
430 struct nfs_removeres *res;
431 if (nfs3_async_handle_jukebox(task, dir))
433 res = task->tk_msg.rpc_resp;
434 nfs_post_op_update_inode(dir, res->dir_attr);
439 nfs3_proc_rename_setup(struct rpc_message *msg,
440 struct dentry *old_dentry,
441 struct dentry *new_dentry)
443 msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME];
446 static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data)
448 rpc_call_start(task);
452 nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
453 struct inode *new_dir)
455 struct nfs_renameres *res;
457 if (nfs3_async_handle_jukebox(task, old_dir))
459 res = task->tk_msg.rpc_resp;
461 nfs_post_op_update_inode(old_dir, res->old_fattr);
462 nfs_post_op_update_inode(new_dir, res->new_fattr);
467 nfs3_proc_link(struct inode *inode, struct inode *dir, const struct qstr *name)
469 struct nfs3_linkargs arg = {
470 .fromfh = NFS_FH(inode),
472 .toname = name->name,
475 struct nfs3_linkres res;
476 struct rpc_message msg = {
477 .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
481 int status = -ENOMEM;
483 dprintk("NFS call link %s\n", name->name);
484 res.fattr = nfs_alloc_fattr();
485 res.dir_attr = nfs_alloc_fattr();
486 if (res.fattr == NULL || res.dir_attr == NULL)
489 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
490 nfs_post_op_update_inode(dir, res.dir_attr);
491 nfs_post_op_update_inode(inode, res.fattr);
493 nfs_free_fattr(res.dir_attr);
494 nfs_free_fattr(res.fattr);
495 dprintk("NFS reply link: %d\n", status);
500 nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
501 unsigned int len, struct iattr *sattr)
503 struct nfs3_createdata *data;
504 int status = -ENOMEM;
506 if (len > NFS3_MAXPATHLEN)
507 return -ENAMETOOLONG;
509 dprintk("NFS call symlink %pd\n", dentry);
511 data = nfs3_alloc_createdata();
514 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
515 data->arg.symlink.fromfh = NFS_FH(dir);
516 data->arg.symlink.fromname = dentry->d_name.name;
517 data->arg.symlink.fromlen = dentry->d_name.len;
518 data->arg.symlink.pages = &page;
519 data->arg.symlink.pathlen = len;
520 data->arg.symlink.sattr = sattr;
522 status = nfs3_do_create(dir, dentry, data);
524 nfs3_free_createdata(data);
526 dprintk("NFS reply symlink: %d\n", status);
531 nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
533 struct posix_acl *default_acl, *acl;
534 struct nfs3_createdata *data;
535 int status = -ENOMEM;
537 dprintk("NFS call mkdir %pd\n", dentry);
539 data = nfs3_alloc_createdata();
543 status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
547 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
548 data->arg.mkdir.fh = NFS_FH(dir);
549 data->arg.mkdir.name = dentry->d_name.name;
550 data->arg.mkdir.len = dentry->d_name.len;
551 data->arg.mkdir.sattr = sattr;
553 status = nfs3_do_create(dir, dentry, data);
555 goto out_release_acls;
557 status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl);
560 posix_acl_release(acl);
561 posix_acl_release(default_acl);
563 nfs3_free_createdata(data);
564 dprintk("NFS reply mkdir: %d\n", status);
569 nfs3_proc_rmdir(struct inode *dir, const struct qstr *name)
571 struct nfs_fattr *dir_attr;
572 struct nfs3_diropargs arg = {
577 struct rpc_message msg = {
578 .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
581 int status = -ENOMEM;
583 dprintk("NFS call rmdir %s\n", name->name);
584 dir_attr = nfs_alloc_fattr();
585 if (dir_attr == NULL)
588 msg.rpc_resp = dir_attr;
589 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
590 nfs_post_op_update_inode(dir, dir_attr);
591 nfs_free_fattr(dir_attr);
593 dprintk("NFS reply rmdir: %d\n", status);
598 * The READDIR implementation is somewhat hackish - we pass the user buffer
599 * to the encode function, which installs it in the receive iovec.
600 * The decode function itself doesn't perform any decoding, it just makes
601 * sure the reply is syntactically correct.
603 * Also note that this implementation handles both plain readdir and
607 nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
608 u64 cookie, struct page **pages, unsigned int count, bool plus)
610 struct inode *dir = d_inode(dentry);
611 __be32 *verf = NFS_I(dir)->cookieverf;
612 struct nfs3_readdirargs arg = {
615 .verf = {verf[0], verf[1]},
620 struct nfs3_readdirres res = {
624 struct rpc_message msg = {
625 .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
630 int status = -ENOMEM;
633 msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
635 dprintk("NFS call readdir%s %d\n",
636 plus? "plus" : "", (unsigned int) cookie);
638 res.dir_attr = nfs_alloc_fattr();
639 if (res.dir_attr == NULL)
642 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
644 nfs_invalidate_atime(dir);
645 nfs_refresh_inode(dir, res.dir_attr);
647 nfs_free_fattr(res.dir_attr);
649 dprintk("NFS reply readdir%s: %d\n",
650 plus? "plus" : "", status);
655 nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
658 struct posix_acl *default_acl, *acl;
659 struct nfs3_createdata *data;
660 int status = -ENOMEM;
662 dprintk("NFS call mknod %pd %u:%u\n", dentry,
663 MAJOR(rdev), MINOR(rdev));
665 data = nfs3_alloc_createdata();
669 status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
673 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];
674 data->arg.mknod.fh = NFS_FH(dir);
675 data->arg.mknod.name = dentry->d_name.name;
676 data->arg.mknod.len = dentry->d_name.len;
677 data->arg.mknod.sattr = sattr;
678 data->arg.mknod.rdev = rdev;
680 switch (sattr->ia_mode & S_IFMT) {
682 data->arg.mknod.type = NF3BLK;
685 data->arg.mknod.type = NF3CHR;
688 data->arg.mknod.type = NF3FIFO;
691 data->arg.mknod.type = NF3SOCK;
698 status = nfs3_do_create(dir, dentry, data);
700 goto out_release_acls;
702 status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl);
705 posix_acl_release(acl);
706 posix_acl_release(default_acl);
708 nfs3_free_createdata(data);
709 dprintk("NFS reply mknod: %d\n", status);
714 nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
715 struct nfs_fsstat *stat)
717 struct rpc_message msg = {
718 .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
724 dprintk("NFS call fsstat\n");
725 nfs_fattr_init(stat->fattr);
726 status = rpc_call_sync(server->client, &msg, 0);
727 dprintk("NFS reply fsstat: %d\n", status);
732 do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
733 struct nfs_fsinfo *info)
735 struct rpc_message msg = {
736 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
742 dprintk("NFS call fsinfo\n");
743 nfs_fattr_init(info->fattr);
744 status = rpc_call_sync(client, &msg, 0);
745 dprintk("NFS reply fsinfo: %d\n", status);
750 * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
754 nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
755 struct nfs_fsinfo *info)
759 status = do_proc_fsinfo(server->client, fhandle, info);
760 if (status && server->nfs_client->cl_rpcclient != server->client)
761 status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
766 nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
767 struct nfs_pathconf *info)
769 struct rpc_message msg = {
770 .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
776 dprintk("NFS call pathconf\n");
777 nfs_fattr_init(info->fattr);
778 status = rpc_call_sync(server->client, &msg, 0);
779 dprintk("NFS reply pathconf: %d\n", status);
783 static int nfs3_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
785 struct inode *inode = hdr->inode;
787 if (hdr->pgio_done_cb != NULL)
788 return hdr->pgio_done_cb(task, hdr);
790 if (nfs3_async_handle_jukebox(task, inode))
793 nfs_invalidate_atime(inode);
794 nfs_refresh_inode(inode, &hdr->fattr);
798 static void nfs3_proc_read_setup(struct nfs_pgio_header *hdr,
799 struct rpc_message *msg)
801 msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
804 static int nfs3_proc_pgio_rpc_prepare(struct rpc_task *task,
805 struct nfs_pgio_header *hdr)
807 rpc_call_start(task);
811 static int nfs3_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
813 struct inode *inode = hdr->inode;
815 if (hdr->pgio_done_cb != NULL)
816 return hdr->pgio_done_cb(task, hdr);
818 if (nfs3_async_handle_jukebox(task, inode))
820 if (task->tk_status >= 0)
821 nfs_writeback_update_inode(hdr);
825 static void nfs3_proc_write_setup(struct nfs_pgio_header *hdr,
826 struct rpc_message *msg)
828 msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
831 static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
833 rpc_call_start(task);
836 static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data)
838 if (data->commit_done_cb != NULL)
839 return data->commit_done_cb(task, data);
841 if (nfs3_async_handle_jukebox(task, data->inode))
843 nfs_refresh_inode(data->inode, data->res.fattr);
847 static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
849 msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
852 static void nfs3_nlm_alloc_call(void *data)
854 struct nfs_lock_context *l_ctx = data;
855 if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags)) {
856 get_nfs_open_context(l_ctx->open_context);
857 nfs_get_lock_context(l_ctx->open_context);
861 static bool nfs3_nlm_unlock_prepare(struct rpc_task *task, void *data)
863 struct nfs_lock_context *l_ctx = data;
864 if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags))
865 return nfs_async_iocounter_wait(task, l_ctx);
870 static void nfs3_nlm_release_call(void *data)
872 struct nfs_lock_context *l_ctx = data;
873 struct nfs_open_context *ctx;
874 if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags)) {
875 ctx = l_ctx->open_context;
876 nfs_put_lock_context(l_ctx);
877 put_nfs_open_context(ctx);
881 static const struct nlmclnt_operations nlmclnt_fl_close_lock_ops = {
882 .nlmclnt_alloc_call = nfs3_nlm_alloc_call,
883 .nlmclnt_unlock_prepare = nfs3_nlm_unlock_prepare,
884 .nlmclnt_release_call = nfs3_nlm_release_call,
888 nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
890 struct inode *inode = file_inode(filp);
891 struct nfs_lock_context *l_ctx = NULL;
892 struct nfs_open_context *ctx = nfs_file_open_context(filp);
895 if (fl->fl_flags & FL_CLOSE) {
896 l_ctx = nfs_get_lock_context(ctx);
900 set_bit(NFS_CONTEXT_UNLOCK, &ctx->flags);
903 status = nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl, l_ctx);
906 nfs_put_lock_context(l_ctx);
911 static int nfs3_have_delegation(struct inode *inode, fmode_t flags)
916 static const struct inode_operations nfs3_dir_inode_operations = {
917 .create = nfs_create,
918 .lookup = nfs_lookup,
920 .unlink = nfs_unlink,
921 .symlink = nfs_symlink,
925 .rename = nfs_rename,
926 .permission = nfs_permission,
927 .getattr = nfs_getattr,
928 .setattr = nfs_setattr,
929 #ifdef CONFIG_NFS_V3_ACL
930 .listxattr = nfs3_listxattr,
931 .get_acl = nfs3_get_acl,
932 .set_acl = nfs3_set_acl,
936 static const struct inode_operations nfs3_file_inode_operations = {
937 .permission = nfs_permission,
938 .getattr = nfs_getattr,
939 .setattr = nfs_setattr,
940 #ifdef CONFIG_NFS_V3_ACL
941 .listxattr = nfs3_listxattr,
942 .get_acl = nfs3_get_acl,
943 .set_acl = nfs3_set_acl,
947 const struct nfs_rpc_ops nfs_v3_clientops = {
948 .version = 3, /* protocol version */
949 .dentry_ops = &nfs_dentry_operations,
950 .dir_inode_ops = &nfs3_dir_inode_operations,
951 .file_inode_ops = &nfs3_file_inode_operations,
952 .file_ops = &nfs_file_operations,
953 .nlmclnt_ops = &nlmclnt_fl_close_lock_ops,
954 .getroot = nfs3_proc_get_root,
955 .submount = nfs_submount,
956 .try_mount = nfs_try_mount,
957 .getattr = nfs3_proc_getattr,
958 .setattr = nfs3_proc_setattr,
959 .lookup = nfs3_proc_lookup,
960 .access = nfs3_proc_access,
961 .readlink = nfs3_proc_readlink,
962 .create = nfs3_proc_create,
963 .remove = nfs3_proc_remove,
964 .unlink_setup = nfs3_proc_unlink_setup,
965 .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare,
966 .unlink_done = nfs3_proc_unlink_done,
967 .rename_setup = nfs3_proc_rename_setup,
968 .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare,
969 .rename_done = nfs3_proc_rename_done,
970 .link = nfs3_proc_link,
971 .symlink = nfs3_proc_symlink,
972 .mkdir = nfs3_proc_mkdir,
973 .rmdir = nfs3_proc_rmdir,
974 .readdir = nfs3_proc_readdir,
975 .mknod = nfs3_proc_mknod,
976 .statfs = nfs3_proc_statfs,
977 .fsinfo = nfs3_proc_fsinfo,
978 .pathconf = nfs3_proc_pathconf,
979 .decode_dirent = nfs3_decode_dirent,
980 .pgio_rpc_prepare = nfs3_proc_pgio_rpc_prepare,
981 .read_setup = nfs3_proc_read_setup,
982 .read_done = nfs3_read_done,
983 .write_setup = nfs3_proc_write_setup,
984 .write_done = nfs3_write_done,
985 .commit_setup = nfs3_proc_commit_setup,
986 .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare,
987 .commit_done = nfs3_commit_done,
988 .lock = nfs3_proc_lock,
989 .clear_acl_cache = forget_all_cached_acls,
990 .close_context = nfs_close_context,
991 .have_delegation = nfs3_have_delegation,
992 .alloc_client = nfs_alloc_client,
993 .init_client = nfs_init_client,
994 .free_client = nfs_free_client,
995 .create_server = nfs3_create_server,
996 .clone_server = nfs3_clone_server,