Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/fs/nfs/nfs3proc.c |
| 3 | * |
| 4 | * Client-side NFSv3 procedures stubs. |
| 5 | * |
| 6 | * Copyright (C) 1997, Olaf Kirch |
| 7 | */ |
| 8 | |
| 9 | #include <linux/mm.h> |
| 10 | #include <linux/utsname.h> |
| 11 | #include <linux/errno.h> |
| 12 | #include <linux/string.h> |
| 13 | #include <linux/sunrpc/clnt.h> |
| 14 | #include <linux/nfs.h> |
| 15 | #include <linux/nfs3.h> |
| 16 | #include <linux/nfs_fs.h> |
| 17 | #include <linux/nfs_page.h> |
| 18 | #include <linux/lockd/bind.h> |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 19 | #include <linux/nfs_mount.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 21 | #include "iostat.h" |
David Howells | f7b422b | 2006-06-09 09:34:33 -0400 | [diff] [blame] | 22 | #include "internal.h" |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #define NFSDBG_FACILITY NFSDBG_PROC |
| 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | /* A wrapper to handle the EJUKEBOX error message */ |
| 27 | static int |
| 28 | nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) |
| 29 | { |
| 30 | sigset_t oldset; |
| 31 | int res; |
| 32 | rpc_clnt_sigmask(clnt, &oldset); |
| 33 | do { |
| 34 | res = rpc_call_sync(clnt, msg, flags); |
| 35 | if (res != -EJUKEBOX) |
| 36 | break; |
Nishanth Aravamudan | 041e0e3 | 2005-09-10 00:27:23 -0700 | [diff] [blame] | 37 | schedule_timeout_interruptible(NFS_JUKEBOX_RETRY_TIME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | res = -ERESTARTSYS; |
| 39 | } while (!signalled()); |
| 40 | rpc_clnt_sigunmask(clnt, &oldset); |
| 41 | return res; |
| 42 | } |
| 43 | |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 44 | #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | |
| 46 | static int |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 47 | nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | { |
| 49 | if (task->tk_status != -EJUKEBOX) |
| 50 | return 0; |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 51 | nfs_inc_stats(inode, NFSIOS_DELAY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | task->tk_status = 0; |
| 53 | rpc_restart_call(task); |
| 54 | rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); |
| 55 | return 1; |
| 56 | } |
| 57 | |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 58 | static int |
| 59 | do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, |
| 60 | struct nfs_fsinfo *info) |
| 61 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 62 | struct rpc_message msg = { |
| 63 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], |
| 64 | .rpc_argp = fhandle, |
| 65 | .rpc_resp = info, |
| 66 | }; |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 67 | int status; |
| 68 | |
| 69 | dprintk("%s: call fsinfo\n", __FUNCTION__); |
| 70 | nfs_fattr_init(info->fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 71 | status = rpc_call_sync(client, &msg, 0); |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 72 | dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status); |
| 73 | if (!(info->fattr->valid & NFS_ATTR_FATTR)) { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 74 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; |
| 75 | msg.rpc_resp = info->fattr; |
| 76 | status = rpc_call_sync(client, &msg, 0); |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 77 | dprintk("%s: reply getattr: %d\n", __FUNCTION__, status); |
| 78 | } |
| 79 | return status; |
| 80 | } |
| 81 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | /* |
David Howells | 54ceac4 | 2006-08-22 20:06:13 -0400 | [diff] [blame] | 83 | * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | */ |
| 85 | static int |
| 86 | nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, |
| 87 | struct nfs_fsinfo *info) |
| 88 | { |
| 89 | int status; |
| 90 | |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 91 | status = do_proc_get_root(server->client, fhandle, info); |
David Howells | 5006a76 | 2006-08-22 20:06:12 -0400 | [diff] [blame] | 92 | if (status && server->nfs_client->cl_rpcclient != server->client) |
| 93 | status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | return status; |
| 95 | } |
| 96 | |
| 97 | /* |
| 98 | * One function for each procedure in the NFS protocol. |
| 99 | */ |
| 100 | static int |
| 101 | nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, |
| 102 | struct nfs_fattr *fattr) |
| 103 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 104 | struct rpc_message msg = { |
| 105 | .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], |
| 106 | .rpc_argp = fhandle, |
| 107 | .rpc_resp = fattr, |
| 108 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | int status; |
| 110 | |
| 111 | dprintk("NFS call getattr\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 112 | nfs_fattr_init(fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 113 | status = rpc_call_sync(server->client, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | dprintk("NFS reply getattr: %d\n", status); |
| 115 | return status; |
| 116 | } |
| 117 | |
| 118 | static int |
| 119 | nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, |
| 120 | struct iattr *sattr) |
| 121 | { |
| 122 | struct inode *inode = dentry->d_inode; |
| 123 | struct nfs3_sattrargs arg = { |
| 124 | .fh = NFS_FH(inode), |
| 125 | .sattr = sattr, |
| 126 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 127 | struct rpc_message msg = { |
| 128 | .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], |
| 129 | .rpc_argp = &arg, |
| 130 | .rpc_resp = fattr, |
| 131 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | int status; |
| 133 | |
| 134 | dprintk("NFS call setattr\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 135 | nfs_fattr_init(fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 136 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
Trond Myklebust | 65e4308 | 2005-08-16 11:49:44 -0400 | [diff] [blame] | 137 | if (status == 0) |
| 138 | nfs_setattr_update_inode(inode, sattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | dprintk("NFS reply setattr: %d\n", status); |
| 140 | return status; |
| 141 | } |
| 142 | |
| 143 | static int |
| 144 | nfs3_proc_lookup(struct inode *dir, struct qstr *name, |
| 145 | struct nfs_fh *fhandle, struct nfs_fattr *fattr) |
| 146 | { |
| 147 | struct nfs_fattr dir_attr; |
| 148 | struct nfs3_diropargs arg = { |
| 149 | .fh = NFS_FH(dir), |
| 150 | .name = name->name, |
| 151 | .len = name->len |
| 152 | }; |
| 153 | struct nfs3_diropres res = { |
| 154 | .dir_attr = &dir_attr, |
| 155 | .fh = fhandle, |
| 156 | .fattr = fattr |
| 157 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 158 | struct rpc_message msg = { |
| 159 | .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], |
| 160 | .rpc_argp = &arg, |
| 161 | .rpc_resp = &res, |
| 162 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | int status; |
| 164 | |
| 165 | dprintk("NFS call lookup %s\n", name->name); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 166 | nfs_fattr_init(&dir_attr); |
| 167 | nfs_fattr_init(fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 168 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | 81c7688 | 2007-10-02 10:30:00 -0400 | [diff] [blame] | 169 | nfs_refresh_inode(dir, &dir_attr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 170 | if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { |
| 171 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; |
| 172 | msg.rpc_argp = fhandle; |
| 173 | msg.rpc_resp = fattr; |
| 174 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
| 175 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | dprintk("NFS reply lookup: %d\n", status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | return status; |
| 178 | } |
| 179 | |
| 180 | static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) |
| 181 | { |
| 182 | struct nfs_fattr fattr; |
| 183 | struct nfs3_accessargs arg = { |
| 184 | .fh = NFS_FH(inode), |
| 185 | }; |
| 186 | struct nfs3_accessres res = { |
| 187 | .fattr = &fattr, |
| 188 | }; |
| 189 | struct rpc_message msg = { |
| 190 | .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], |
| 191 | .rpc_argp = &arg, |
| 192 | .rpc_resp = &res, |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 193 | .rpc_cred = entry->cred, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | }; |
| 195 | int mode = entry->mask; |
| 196 | int status; |
| 197 | |
| 198 | dprintk("NFS call access\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
| 200 | if (mode & MAY_READ) |
| 201 | arg.access |= NFS3_ACCESS_READ; |
| 202 | if (S_ISDIR(inode->i_mode)) { |
| 203 | if (mode & MAY_WRITE) |
| 204 | arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; |
| 205 | if (mode & MAY_EXEC) |
| 206 | arg.access |= NFS3_ACCESS_LOOKUP; |
| 207 | } else { |
| 208 | if (mode & MAY_WRITE) |
| 209 | arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; |
| 210 | if (mode & MAY_EXEC) |
| 211 | arg.access |= NFS3_ACCESS_EXECUTE; |
| 212 | } |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 213 | nfs_fattr_init(&fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
| 215 | nfs_refresh_inode(inode, &fattr); |
| 216 | if (status == 0) { |
| 217 | entry->mask = 0; |
| 218 | if (res.access & NFS3_ACCESS_READ) |
| 219 | entry->mask |= MAY_READ; |
| 220 | if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) |
| 221 | entry->mask |= MAY_WRITE; |
| 222 | if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) |
| 223 | entry->mask |= MAY_EXEC; |
| 224 | } |
| 225 | dprintk("NFS reply access: %d\n", status); |
| 226 | return status; |
| 227 | } |
| 228 | |
| 229 | static int nfs3_proc_readlink(struct inode *inode, struct page *page, |
| 230 | unsigned int pgbase, unsigned int pglen) |
| 231 | { |
| 232 | struct nfs_fattr fattr; |
| 233 | struct nfs3_readlinkargs args = { |
| 234 | .fh = NFS_FH(inode), |
| 235 | .pgbase = pgbase, |
| 236 | .pglen = pglen, |
| 237 | .pages = &page |
| 238 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 239 | struct rpc_message msg = { |
| 240 | .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], |
| 241 | .rpc_argp = &args, |
| 242 | .rpc_resp = &fattr, |
| 243 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | int status; |
| 245 | |
| 246 | dprintk("NFS call readlink\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 247 | nfs_fattr_init(&fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 248 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | nfs_refresh_inode(inode, &fattr); |
| 250 | dprintk("NFS reply readlink: %d\n", status); |
| 251 | return status; |
| 252 | } |
| 253 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | /* |
| 255 | * Create a regular file. |
| 256 | * For now, we don't implement O_EXCL. |
| 257 | */ |
| 258 | static int |
| 259 | nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, |
Trond Myklebust | 02a913a | 2005-10-18 14:20:17 -0700 | [diff] [blame] | 260 | int flags, struct nameidata *nd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | { |
| 262 | struct nfs_fh fhandle; |
| 263 | struct nfs_fattr fattr; |
| 264 | struct nfs_fattr dir_attr; |
| 265 | struct nfs3_createargs arg = { |
| 266 | .fh = NFS_FH(dir), |
| 267 | .name = dentry->d_name.name, |
| 268 | .len = dentry->d_name.len, |
| 269 | .sattr = sattr, |
| 270 | }; |
| 271 | struct nfs3_diropres res = { |
| 272 | .dir_attr = &dir_attr, |
| 273 | .fh = &fhandle, |
| 274 | .fattr = &fattr |
| 275 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 276 | struct rpc_message msg = { |
| 277 | .rpc_proc = &nfs3_procedures[NFS3PROC_CREATE], |
| 278 | .rpc_argp = &arg, |
| 279 | .rpc_resp = &res, |
| 280 | }; |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 281 | mode_t mode = sattr->ia_mode; |
| 282 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | |
| 284 | dprintk("NFS call create %s\n", dentry->d_name.name); |
| 285 | arg.createmode = NFS3_CREATE_UNCHECKED; |
| 286 | if (flags & O_EXCL) { |
| 287 | arg.createmode = NFS3_CREATE_EXCLUSIVE; |
| 288 | arg.verifier[0] = jiffies; |
| 289 | arg.verifier[1] = current->pid; |
| 290 | } |
| 291 | |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 292 | sattr->ia_mode &= ~current->fs->umask; |
| 293 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | again: |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 295 | nfs_fattr_init(&dir_attr); |
| 296 | nfs_fattr_init(&fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 297 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
| 298 | nfs_refresh_inode(dir, &dir_attr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | |
| 300 | /* If the server doesn't support the exclusive creation semantics, |
| 301 | * try again with simple 'guarded' mode. */ |
Andy Ryan | 46b9f8e | 2006-11-07 14:36:26 -0600 | [diff] [blame] | 302 | if (status == -ENOTSUPP) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | switch (arg.createmode) { |
| 304 | case NFS3_CREATE_EXCLUSIVE: |
| 305 | arg.createmode = NFS3_CREATE_GUARDED; |
| 306 | break; |
| 307 | |
| 308 | case NFS3_CREATE_GUARDED: |
| 309 | arg.createmode = NFS3_CREATE_UNCHECKED; |
| 310 | break; |
| 311 | |
| 312 | case NFS3_CREATE_UNCHECKED: |
| 313 | goto out; |
| 314 | } |
| 315 | goto again; |
| 316 | } |
| 317 | |
| 318 | if (status == 0) |
| 319 | status = nfs_instantiate(dentry, &fhandle, &fattr); |
| 320 | if (status != 0) |
| 321 | goto out; |
| 322 | |
| 323 | /* When we created the file with exclusive semantics, make |
| 324 | * sure we set the attributes afterwards. */ |
| 325 | if (arg.createmode == NFS3_CREATE_EXCLUSIVE) { |
| 326 | dprintk("NFS call setattr (post-create)\n"); |
| 327 | |
| 328 | if (!(sattr->ia_valid & ATTR_ATIME_SET)) |
| 329 | sattr->ia_valid |= ATTR_ATIME; |
| 330 | if (!(sattr->ia_valid & ATTR_MTIME_SET)) |
| 331 | sattr->ia_valid |= ATTR_MTIME; |
| 332 | |
| 333 | /* Note: we could use a guarded setattr here, but I'm |
| 334 | * not sure this buys us anything (and I'd have |
| 335 | * to revamp the NFSv3 XDR code) */ |
| 336 | status = nfs3_proc_setattr(dentry, &fattr, sattr); |
Trond Myklebust | e2f032e | 2007-06-05 19:27:00 -0400 | [diff] [blame] | 337 | nfs_post_op_update_inode(dentry->d_inode, &fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | dprintk("NFS reply setattr (post-create): %d\n", status); |
| 339 | } |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 340 | if (status != 0) |
| 341 | goto out; |
| 342 | status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | out: |
| 344 | dprintk("NFS reply create: %d\n", status); |
| 345 | return status; |
| 346 | } |
| 347 | |
| 348 | static int |
| 349 | nfs3_proc_remove(struct inode *dir, struct qstr *name) |
| 350 | { |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 351 | struct nfs_removeargs arg = { |
| 352 | .fh = NFS_FH(dir), |
| 353 | .name.len = name->len, |
| 354 | .name.name = name->name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | }; |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 356 | struct nfs_removeres res; |
| 357 | struct rpc_message msg = { |
| 358 | .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], |
| 359 | .rpc_argp = &arg, |
| 360 | .rpc_resp = &res, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | }; |
| 362 | int status; |
| 363 | |
| 364 | dprintk("NFS call remove %s\n", name->name); |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 365 | nfs_fattr_init(&res.dir_attr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 367 | nfs_post_op_update_inode(dir, &res.dir_attr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | dprintk("NFS reply remove: %d\n", status); |
| 369 | return status; |
| 370 | } |
| 371 | |
Trond Myklebust | e4eff1a | 2007-07-14 15:39:58 -0400 | [diff] [blame] | 372 | static void |
| 373 | nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | static int |
Trond Myklebust | e4eff1a | 2007-07-14 15:39:58 -0400 | [diff] [blame] | 379 | nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | { |
Trond Myklebust | e4eff1a | 2007-07-14 15:39:58 -0400 | [diff] [blame] | 381 | struct nfs_removeres *res; |
| 382 | if (nfs3_async_handle_jukebox(task, dir)) |
| 383 | return 0; |
| 384 | res = task->tk_msg.rpc_resp; |
| 385 | nfs_post_op_update_inode(dir, &res->dir_attr); |
| 386 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | static int |
| 390 | nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, |
| 391 | struct inode *new_dir, struct qstr *new_name) |
| 392 | { |
| 393 | struct nfs_fattr old_dir_attr, new_dir_attr; |
| 394 | struct nfs3_renameargs arg = { |
| 395 | .fromfh = NFS_FH(old_dir), |
| 396 | .fromname = old_name->name, |
| 397 | .fromlen = old_name->len, |
| 398 | .tofh = NFS_FH(new_dir), |
| 399 | .toname = new_name->name, |
| 400 | .tolen = new_name->len |
| 401 | }; |
| 402 | struct nfs3_renameres res = { |
| 403 | .fromattr = &old_dir_attr, |
| 404 | .toattr = &new_dir_attr |
| 405 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 406 | struct rpc_message msg = { |
| 407 | .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], |
| 408 | .rpc_argp = &arg, |
| 409 | .rpc_resp = &res, |
| 410 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | int status; |
| 412 | |
| 413 | dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 414 | nfs_fattr_init(&old_dir_attr); |
| 415 | nfs_fattr_init(&new_dir_attr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 416 | status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); |
Trond Myklebust | decf491 | 2005-10-27 22:12:39 -0400 | [diff] [blame] | 417 | nfs_post_op_update_inode(old_dir, &old_dir_attr); |
| 418 | nfs_post_op_update_inode(new_dir, &new_dir_attr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | dprintk("NFS reply rename: %d\n", status); |
| 420 | return status; |
| 421 | } |
| 422 | |
| 423 | static int |
| 424 | nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) |
| 425 | { |
| 426 | struct nfs_fattr dir_attr, fattr; |
| 427 | struct nfs3_linkargs arg = { |
| 428 | .fromfh = NFS_FH(inode), |
| 429 | .tofh = NFS_FH(dir), |
| 430 | .toname = name->name, |
| 431 | .tolen = name->len |
| 432 | }; |
| 433 | struct nfs3_linkres res = { |
| 434 | .dir_attr = &dir_attr, |
| 435 | .fattr = &fattr |
| 436 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 437 | struct rpc_message msg = { |
| 438 | .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], |
| 439 | .rpc_argp = &arg, |
| 440 | .rpc_resp = &res, |
| 441 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | int status; |
| 443 | |
| 444 | dprintk("NFS call link %s\n", name->name); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 445 | nfs_fattr_init(&dir_attr); |
| 446 | nfs_fattr_init(&fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 447 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
Trond Myklebust | decf491 | 2005-10-27 22:12:39 -0400 | [diff] [blame] | 448 | nfs_post_op_update_inode(dir, &dir_attr); |
| 449 | nfs_post_op_update_inode(inode, &fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | dprintk("NFS reply link: %d\n", status); |
| 451 | return status; |
| 452 | } |
| 453 | |
| 454 | static int |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 455 | nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, |
| 456 | unsigned int len, struct iattr *sattr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | { |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 458 | struct nfs_fh fhandle; |
| 459 | struct nfs_fattr fattr, dir_attr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | struct nfs3_symlinkargs arg = { |
| 461 | .fromfh = NFS_FH(dir), |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 462 | .fromname = dentry->d_name.name, |
| 463 | .fromlen = dentry->d_name.len, |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 464 | .pages = &page, |
| 465 | .pathlen = len, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | .sattr = sattr |
| 467 | }; |
| 468 | struct nfs3_diropres res = { |
| 469 | .dir_attr = &dir_attr, |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 470 | .fh = &fhandle, |
| 471 | .fattr = &fattr |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 473 | struct rpc_message msg = { |
| 474 | .rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK], |
| 475 | .rpc_argp = &arg, |
| 476 | .rpc_resp = &res, |
| 477 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | int status; |
| 479 | |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 480 | if (len > NFS3_MAXPATHLEN) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | return -ENAMETOOLONG; |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 482 | |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 483 | dprintk("NFS call symlink %s\n", dentry->d_name.name); |
| 484 | |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 485 | nfs_fattr_init(&dir_attr); |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 486 | nfs_fattr_init(&fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 487 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | decf491 | 2005-10-27 22:12:39 -0400 | [diff] [blame] | 488 | nfs_post_op_update_inode(dir, &dir_attr); |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 489 | if (status != 0) |
| 490 | goto out; |
| 491 | status = nfs_instantiate(dentry, &fhandle, &fattr); |
| 492 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | dprintk("NFS reply symlink: %d\n", status); |
| 494 | return status; |
| 495 | } |
| 496 | |
| 497 | static int |
| 498 | nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) |
| 499 | { |
| 500 | struct nfs_fh fhandle; |
| 501 | struct nfs_fattr fattr, dir_attr; |
| 502 | struct nfs3_mkdirargs arg = { |
| 503 | .fh = NFS_FH(dir), |
| 504 | .name = dentry->d_name.name, |
| 505 | .len = dentry->d_name.len, |
| 506 | .sattr = sattr |
| 507 | }; |
| 508 | struct nfs3_diropres res = { |
| 509 | .dir_attr = &dir_attr, |
| 510 | .fh = &fhandle, |
| 511 | .fattr = &fattr |
| 512 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 513 | struct rpc_message msg = { |
| 514 | .rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR], |
| 515 | .rpc_argp = &arg, |
| 516 | .rpc_resp = &res, |
| 517 | }; |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 518 | int mode = sattr->ia_mode; |
| 519 | int status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
| 521 | dprintk("NFS call mkdir %s\n", dentry->d_name.name); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 522 | |
| 523 | sattr->ia_mode &= ~current->fs->umask; |
| 524 | |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 525 | nfs_fattr_init(&dir_attr); |
| 526 | nfs_fattr_init(&fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 527 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | decf491 | 2005-10-27 22:12:39 -0400 | [diff] [blame] | 528 | nfs_post_op_update_inode(dir, &dir_attr); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 529 | if (status != 0) |
| 530 | goto out; |
| 531 | status = nfs_instantiate(dentry, &fhandle, &fattr); |
| 532 | if (status != 0) |
| 533 | goto out; |
| 534 | status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); |
| 535 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | dprintk("NFS reply mkdir: %d\n", status); |
| 537 | return status; |
| 538 | } |
| 539 | |
| 540 | static int |
| 541 | nfs3_proc_rmdir(struct inode *dir, struct qstr *name) |
| 542 | { |
| 543 | struct nfs_fattr dir_attr; |
| 544 | struct nfs3_diropargs arg = { |
| 545 | .fh = NFS_FH(dir), |
| 546 | .name = name->name, |
| 547 | .len = name->len |
| 548 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 549 | struct rpc_message msg = { |
| 550 | .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], |
| 551 | .rpc_argp = &arg, |
| 552 | .rpc_resp = &dir_attr, |
| 553 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | int status; |
| 555 | |
| 556 | dprintk("NFS call rmdir %s\n", name->name); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 557 | nfs_fattr_init(&dir_attr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 558 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | decf491 | 2005-10-27 22:12:39 -0400 | [diff] [blame] | 559 | nfs_post_op_update_inode(dir, &dir_attr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | dprintk("NFS reply rmdir: %d\n", status); |
| 561 | return status; |
| 562 | } |
| 563 | |
| 564 | /* |
| 565 | * The READDIR implementation is somewhat hackish - we pass the user buffer |
| 566 | * to the encode function, which installs it in the receive iovec. |
| 567 | * The decode function itself doesn't perform any decoding, it just makes |
| 568 | * sure the reply is syntactically correct. |
| 569 | * |
| 570 | * Also note that this implementation handles both plain readdir and |
| 571 | * readdirplus. |
| 572 | */ |
| 573 | static int |
| 574 | nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, |
| 575 | u64 cookie, struct page *page, unsigned int count, int plus) |
| 576 | { |
| 577 | struct inode *dir = dentry->d_inode; |
| 578 | struct nfs_fattr dir_attr; |
Al Viro | bc4785c | 2006-10-19 23:28:51 -0700 | [diff] [blame] | 579 | __be32 *verf = NFS_COOKIEVERF(dir); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | struct nfs3_readdirargs arg = { |
| 581 | .fh = NFS_FH(dir), |
| 582 | .cookie = cookie, |
| 583 | .verf = {verf[0], verf[1]}, |
| 584 | .plus = plus, |
| 585 | .count = count, |
| 586 | .pages = &page |
| 587 | }; |
| 588 | struct nfs3_readdirres res = { |
| 589 | .dir_attr = &dir_attr, |
| 590 | .verf = verf, |
| 591 | .plus = plus |
| 592 | }; |
| 593 | struct rpc_message msg = { |
| 594 | .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], |
| 595 | .rpc_argp = &arg, |
| 596 | .rpc_resp = &res, |
| 597 | .rpc_cred = cred |
| 598 | }; |
| 599 | int status; |
| 600 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | if (plus) |
| 602 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; |
| 603 | |
| 604 | dprintk("NFS call readdir%s %d\n", |
| 605 | plus? "plus" : "", (unsigned int) cookie); |
| 606 | |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 607 | nfs_fattr_init(&dir_attr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | c481299 | 2007-09-28 17:11:45 -0400 | [diff] [blame] | 609 | |
| 610 | nfs_invalidate_atime(dir); |
| 611 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | nfs_refresh_inode(dir, &dir_attr); |
| 613 | dprintk("NFS reply readdir: %d\n", status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | return status; |
| 615 | } |
| 616 | |
| 617 | static int |
| 618 | nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, |
| 619 | dev_t rdev) |
| 620 | { |
| 621 | struct nfs_fh fh; |
| 622 | struct nfs_fattr fattr, dir_attr; |
| 623 | struct nfs3_mknodargs arg = { |
| 624 | .fh = NFS_FH(dir), |
| 625 | .name = dentry->d_name.name, |
| 626 | .len = dentry->d_name.len, |
| 627 | .sattr = sattr, |
| 628 | .rdev = rdev |
| 629 | }; |
| 630 | struct nfs3_diropres res = { |
| 631 | .dir_attr = &dir_attr, |
| 632 | .fh = &fh, |
| 633 | .fattr = &fattr |
| 634 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 635 | struct rpc_message msg = { |
| 636 | .rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD], |
| 637 | .rpc_argp = &arg, |
| 638 | .rpc_resp = &res, |
| 639 | }; |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 640 | mode_t mode = sattr->ia_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | int status; |
| 642 | |
| 643 | switch (sattr->ia_mode & S_IFMT) { |
| 644 | case S_IFBLK: arg.type = NF3BLK; break; |
| 645 | case S_IFCHR: arg.type = NF3CHR; break; |
| 646 | case S_IFIFO: arg.type = NF3FIFO; break; |
| 647 | case S_IFSOCK: arg.type = NF3SOCK; break; |
| 648 | default: return -EINVAL; |
| 649 | } |
| 650 | |
| 651 | dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, |
| 652 | MAJOR(rdev), MINOR(rdev)); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 653 | |
| 654 | sattr->ia_mode &= ~current->fs->umask; |
| 655 | |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 656 | nfs_fattr_init(&dir_attr); |
| 657 | nfs_fattr_init(&fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 658 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | decf491 | 2005-10-27 22:12:39 -0400 | [diff] [blame] | 659 | nfs_post_op_update_inode(dir, &dir_attr); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 660 | if (status != 0) |
| 661 | goto out; |
| 662 | status = nfs_instantiate(dentry, &fh, &fattr); |
| 663 | if (status != 0) |
| 664 | goto out; |
| 665 | status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); |
| 666 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | dprintk("NFS reply mknod: %d\n", status); |
| 668 | return status; |
| 669 | } |
| 670 | |
| 671 | static int |
| 672 | nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, |
| 673 | struct nfs_fsstat *stat) |
| 674 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 675 | struct rpc_message msg = { |
| 676 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], |
| 677 | .rpc_argp = fhandle, |
| 678 | .rpc_resp = stat, |
| 679 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | int status; |
| 681 | |
| 682 | dprintk("NFS call fsstat\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 683 | nfs_fattr_init(stat->fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 684 | status = rpc_call_sync(server->client, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | dprintk("NFS reply statfs: %d\n", status); |
| 686 | return status; |
| 687 | } |
| 688 | |
| 689 | static int |
| 690 | nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, |
| 691 | struct nfs_fsinfo *info) |
| 692 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 693 | struct rpc_message msg = { |
| 694 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], |
| 695 | .rpc_argp = fhandle, |
| 696 | .rpc_resp = info, |
| 697 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 698 | int status; |
| 699 | |
| 700 | dprintk("NFS call fsinfo\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 701 | nfs_fattr_init(info->fattr); |
David Howells | 5006a76 | 2006-08-22 20:06:12 -0400 | [diff] [blame] | 702 | status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 703 | dprintk("NFS reply fsinfo: %d\n", status); |
| 704 | return status; |
| 705 | } |
| 706 | |
| 707 | static int |
| 708 | nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, |
| 709 | struct nfs_pathconf *info) |
| 710 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 711 | struct rpc_message msg = { |
| 712 | .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], |
| 713 | .rpc_argp = fhandle, |
| 714 | .rpc_resp = info, |
| 715 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | int status; |
| 717 | |
| 718 | dprintk("NFS call pathconf\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 719 | nfs_fattr_init(info->fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 720 | status = rpc_call_sync(server->client, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | dprintk("NFS reply pathconf: %d\n", status); |
| 722 | return status; |
| 723 | } |
| 724 | |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 725 | static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | { |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 727 | if (nfs3_async_handle_jukebox(task, data->inode)) |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 728 | return -EAGAIN; |
Trond Myklebust | 8850df9 | 2007-09-28 17:20:07 -0400 | [diff] [blame] | 729 | |
| 730 | nfs_invalidate_atime(data->inode); |
| 731 | nfs_refresh_inode(data->inode, &data->fattr); |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 732 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | } |
| 734 | |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 735 | static void nfs3_proc_read_setup(struct nfs_read_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 737 | struct rpc_message msg = { |
| 738 | .rpc_proc = &nfs3_procedures[NFS3PROC_READ], |
| 739 | .rpc_argp = &data->args, |
| 740 | .rpc_resp = &data->res, |
| 741 | .rpc_cred = data->cred, |
| 742 | }; |
| 743 | |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 744 | rpc_call_setup(&data->task, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | } |
| 746 | |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 747 | static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | { |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 749 | if (nfs3_async_handle_jukebox(task, data->inode)) |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 750 | return -EAGAIN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | if (task->tk_status >= 0) |
Trond Myklebust | 70ca885 | 2007-09-30 15:21:24 -0400 | [diff] [blame] | 752 | nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr); |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 753 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | } |
| 755 | |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 756 | static void nfs3_proc_write_setup(struct nfs_write_data *data, int how) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 757 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 758 | struct rpc_message msg = { |
| 759 | .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE], |
| 760 | .rpc_argp = &data->args, |
| 761 | .rpc_resp = &data->res, |
| 762 | .rpc_cred = data->cred, |
| 763 | }; |
| 764 | |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 765 | data->args.stable = NFS_UNSTABLE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | if (how & FLUSH_STABLE) { |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 767 | data->args.stable = NFS_FILE_SYNC; |
| 768 | if (NFS_I(data->inode)->ncommit) |
| 769 | data->args.stable = NFS_DATA_SYNC; |
| 770 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 771 | |
| 772 | /* Finalize the task. */ |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 773 | rpc_call_setup(&data->task, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 774 | } |
| 775 | |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 776 | static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 777 | { |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 778 | if (nfs3_async_handle_jukebox(task, data->inode)) |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 779 | return -EAGAIN; |
Trond Myklebust | 9e08a3c | 2007-10-08 14:10:31 -0400 | [diff] [blame] | 780 | nfs_refresh_inode(data->inode, data->res.fattr); |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 781 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | } |
| 783 | |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 784 | static void nfs3_proc_commit_setup(struct nfs_write_data *data, int how) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | struct rpc_message msg = { |
| 787 | .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT], |
| 788 | .rpc_argp = &data->args, |
| 789 | .rpc_resp = &data->res, |
| 790 | .rpc_cred = data->cred, |
| 791 | }; |
| 792 | |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 793 | rpc_call_setup(&data->task, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 794 | } |
| 795 | |
| 796 | static int |
| 797 | nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) |
| 798 | { |
Josef "Jeff" Sipek | 01cce93 | 2006-12-08 02:36:40 -0800 | [diff] [blame] | 799 | return nlmclnt_proc(filp->f_path.dentry->d_inode, cmd, fl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | } |
| 801 | |
David Howells | 509de81 | 2006-08-22 20:06:11 -0400 | [diff] [blame] | 802 | const struct nfs_rpc_ops nfs_v3_clientops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | .version = 3, /* protocol version */ |
| 804 | .dentry_ops = &nfs_dentry_operations, |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 805 | .dir_inode_ops = &nfs3_dir_inode_operations, |
| 806 | .file_inode_ops = &nfs3_file_inode_operations, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | .getroot = nfs3_proc_get_root, |
| 808 | .getattr = nfs3_proc_getattr, |
| 809 | .setattr = nfs3_proc_setattr, |
| 810 | .lookup = nfs3_proc_lookup, |
| 811 | .access = nfs3_proc_access, |
| 812 | .readlink = nfs3_proc_readlink, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | .create = nfs3_proc_create, |
| 814 | .remove = nfs3_proc_remove, |
| 815 | .unlink_setup = nfs3_proc_unlink_setup, |
| 816 | .unlink_done = nfs3_proc_unlink_done, |
| 817 | .rename = nfs3_proc_rename, |
| 818 | .link = nfs3_proc_link, |
| 819 | .symlink = nfs3_proc_symlink, |
| 820 | .mkdir = nfs3_proc_mkdir, |
| 821 | .rmdir = nfs3_proc_rmdir, |
| 822 | .readdir = nfs3_proc_readdir, |
| 823 | .mknod = nfs3_proc_mknod, |
| 824 | .statfs = nfs3_proc_statfs, |
| 825 | .fsinfo = nfs3_proc_fsinfo, |
| 826 | .pathconf = nfs3_proc_pathconf, |
| 827 | .decode_dirent = nfs3_decode_dirent, |
| 828 | .read_setup = nfs3_proc_read_setup, |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 829 | .read_done = nfs3_read_done, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | .write_setup = nfs3_proc_write_setup, |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 831 | .write_done = nfs3_write_done, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 832 | .commit_setup = nfs3_proc_commit_setup, |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 833 | .commit_done = nfs3_commit_done, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | .file_open = nfs_open, |
| 835 | .file_release = nfs_release, |
| 836 | .lock = nfs3_proc_lock, |
Andreas Gruenbacher | 5c6a9f7 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 837 | .clear_acl_cache = nfs3_forget_cached_acls, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | }; |