11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * linux/fs/nfs/proc.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 1992, 1993, 1994 Rick Sladkey 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * OS-independent nfs remote procedure call functions 71da177e4SLinus Torvalds * 81da177e4SLinus Torvalds * Tuned by Alan Cox <A.Cox@swansea.ac.uk> for >3K buffers 91da177e4SLinus Torvalds * so at last we can have decent(ish) throughput off a 101da177e4SLinus Torvalds * Sun server. 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * Coding optimized and cleaned up by Florian La Roche. 131da177e4SLinus Torvalds * Note: Error returns are optimized for NFS_OK, which isn't translated via 141da177e4SLinus Torvalds * nfs_stat_to_errno(), but happens to be already the right return code. 151da177e4SLinus Torvalds * 161da177e4SLinus Torvalds * Also, the code currently doesn't check the size of the packet, when 171da177e4SLinus Torvalds * it decodes the packet. 181da177e4SLinus Torvalds * 191da177e4SLinus Torvalds * Feel free to fix it and mail me the diffs if it worries you. 201da177e4SLinus Torvalds * 211da177e4SLinus Torvalds * Completely rewritten to support the new RPC call interface; 221da177e4SLinus Torvalds * rewrote and moved the entire XDR stuff to xdr.c 231da177e4SLinus Torvalds * --Olaf Kirch June 1996 241da177e4SLinus Torvalds * 251da177e4SLinus Torvalds * The code below initializes all auto variables explicitly, otherwise 261da177e4SLinus Torvalds * it will fail to work as a module (gcc generates a memset call for an 271da177e4SLinus Torvalds * incomplete struct). 281da177e4SLinus Torvalds */ 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds #include <linux/types.h> 311da177e4SLinus Torvalds #include <linux/param.h> 321da177e4SLinus Torvalds #include <linux/time.h> 331da177e4SLinus Torvalds #include <linux/mm.h> 341da177e4SLinus Torvalds #include <linux/errno.h> 351da177e4SLinus Torvalds #include <linux/string.h> 361da177e4SLinus Torvalds #include <linux/in.h> 371da177e4SLinus Torvalds #include <linux/pagemap.h> 381da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 391da177e4SLinus Torvalds #include <linux/nfs.h> 401da177e4SLinus Torvalds #include <linux/nfs2.h> 411da177e4SLinus Torvalds #include <linux/nfs_fs.h> 421da177e4SLinus Torvalds #include <linux/nfs_page.h> 431da177e4SLinus Torvalds #include <linux/lockd/bind.h> 44d310310cSJeff Layton #include <linux/freezer.h> 45f7b422b1SDavid Howells #include "internal.h" 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds /* 5097cefcc6SJeff Layton * wrapper to handle the -EKEYEXPIRED error message. This should generally 5197cefcc6SJeff Layton * only happen if using krb5 auth and a user's TGT expires. NFSv2 doesn't 5297cefcc6SJeff Layton * support the NFSERR_JUKEBOX error code, but we handle this situation in the 5397cefcc6SJeff Layton * same way that we handle that error with NFSv3. 5497cefcc6SJeff Layton */ 5597cefcc6SJeff Layton static int 5697cefcc6SJeff Layton nfs_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 5797cefcc6SJeff Layton { 5897cefcc6SJeff Layton int res; 5997cefcc6SJeff Layton do { 6097cefcc6SJeff Layton res = rpc_call_sync(clnt, msg, flags); 6197cefcc6SJeff Layton if (res != -EKEYEXPIRED) 6297cefcc6SJeff Layton break; 63d310310cSJeff Layton freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); 6497cefcc6SJeff Layton res = -ERESTARTSYS; 6597cefcc6SJeff Layton } while (!fatal_signal_pending(current)); 6697cefcc6SJeff Layton return res; 6797cefcc6SJeff Layton } 6897cefcc6SJeff Layton 6997cefcc6SJeff Layton #define rpc_call_sync(clnt, msg, flags) nfs_rpc_wrapper(clnt, msg, flags) 7097cefcc6SJeff Layton 7197cefcc6SJeff Layton static int 7297cefcc6SJeff Layton nfs_async_handle_expired_key(struct rpc_task *task) 7397cefcc6SJeff Layton { 7497cefcc6SJeff Layton if (task->tk_status != -EKEYEXPIRED) 7597cefcc6SJeff Layton return 0; 7697cefcc6SJeff Layton task->tk_status = 0; 7797cefcc6SJeff Layton rpc_restart_call(task); 7897cefcc6SJeff Layton rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 7997cefcc6SJeff Layton return 1; 8097cefcc6SJeff Layton } 8197cefcc6SJeff Layton 8297cefcc6SJeff Layton /* 831da177e4SLinus Torvalds * Bare-bones access to getattr: this is for nfs_read_super. 841da177e4SLinus Torvalds */ 851da177e4SLinus Torvalds static int 861da177e4SLinus Torvalds nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 871da177e4SLinus Torvalds struct nfs_fsinfo *info) 881da177e4SLinus Torvalds { 891da177e4SLinus Torvalds struct nfs_fattr *fattr = info->fattr; 901da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 91dead28daSChuck Lever struct rpc_message msg = { 92dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 93dead28daSChuck Lever .rpc_argp = fhandle, 94dead28daSChuck Lever .rpc_resp = fattr, 95dead28daSChuck Lever }; 961da177e4SLinus Torvalds int status; 971da177e4SLinus Torvalds 983110ff80SHarvey Harrison dprintk("%s: call getattr\n", __func__); 990e574af1STrond Myklebust nfs_fattr_init(fattr); 10037ca8f5cSEG Keizer status = rpc_call_sync(server->client, &msg, 0); 10137ca8f5cSEG Keizer /* Retry with default authentication if different */ 10237ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 1035006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 1043110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 1051da177e4SLinus Torvalds if (status) 1061da177e4SLinus Torvalds return status; 1073110ff80SHarvey Harrison dprintk("%s: call statfs\n", __func__); 108dead28daSChuck Lever msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS]; 109dead28daSChuck Lever msg.rpc_resp = &fsinfo; 11037ca8f5cSEG Keizer status = rpc_call_sync(server->client, &msg, 0); 11137ca8f5cSEG Keizer /* Retry with default authentication if different */ 11237ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 1135006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 1143110ff80SHarvey Harrison dprintk("%s: reply statfs: %d\n", __func__, status); 1151da177e4SLinus Torvalds if (status) 1161da177e4SLinus Torvalds return status; 1171da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 1181da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 1191da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 1201da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 1211da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 1221da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 1231da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 1241da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 1251da177e4SLinus Torvalds info->lease_time = 0; 1261da177e4SLinus Torvalds return 0; 1271da177e4SLinus Torvalds } 1281da177e4SLinus Torvalds 1291da177e4SLinus Torvalds /* 1301da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 1311da177e4SLinus Torvalds */ 1321da177e4SLinus Torvalds static int 1331da177e4SLinus Torvalds nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1341da177e4SLinus Torvalds struct nfs_fattr *fattr) 1351da177e4SLinus Torvalds { 136dead28daSChuck Lever struct rpc_message msg = { 137dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 138dead28daSChuck Lever .rpc_argp = fhandle, 139dead28daSChuck Lever .rpc_resp = fattr, 140dead28daSChuck Lever }; 1411da177e4SLinus Torvalds int status; 1421da177e4SLinus Torvalds 1431da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1440e574af1STrond Myklebust nfs_fattr_init(fattr); 145dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1461da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1471da177e4SLinus Torvalds return status; 1481da177e4SLinus Torvalds } 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds static int 1511da177e4SLinus Torvalds nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1521da177e4SLinus Torvalds struct iattr *sattr) 1531da177e4SLinus Torvalds { 1541da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1551da177e4SLinus Torvalds struct nfs_sattrargs arg = { 1561da177e4SLinus Torvalds .fh = NFS_FH(inode), 1571da177e4SLinus Torvalds .sattr = sattr 1581da177e4SLinus Torvalds }; 159dead28daSChuck Lever struct rpc_message msg = { 160dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SETATTR], 161dead28daSChuck Lever .rpc_argp = &arg, 162dead28daSChuck Lever .rpc_resp = fattr, 163dead28daSChuck Lever }; 1641da177e4SLinus Torvalds int status; 1651da177e4SLinus Torvalds 166cf3fff54STrond Myklebust /* Mask out the non-modebit related stuff from attr->ia_mode */ 167cf3fff54STrond Myklebust sattr->ia_mode &= S_IALLUGO; 168cf3fff54STrond Myklebust 1691da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 170659bfcd6STrond Myklebust if (sattr->ia_valid & ATTR_FILE) 171659bfcd6STrond Myklebust msg.rpc_cred = nfs_file_cred(sattr->ia_file); 1720e574af1STrond Myklebust nfs_fattr_init(fattr); 173dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 17465e4308dSTrond Myklebust if (status == 0) 17565e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1761da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1771da177e4SLinus Torvalds return status; 1781da177e4SLinus Torvalds } 1791da177e4SLinus Torvalds 1801da177e4SLinus Torvalds static int 1817c513058SBryan Schumaker nfs_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qstr *name, 1821da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1831da177e4SLinus Torvalds { 1841da177e4SLinus Torvalds struct nfs_diropargs arg = { 1851da177e4SLinus Torvalds .fh = NFS_FH(dir), 1861da177e4SLinus Torvalds .name = name->name, 1871da177e4SLinus Torvalds .len = name->len 1881da177e4SLinus Torvalds }; 1891da177e4SLinus Torvalds struct nfs_diropok res = { 1901da177e4SLinus Torvalds .fh = fhandle, 1911da177e4SLinus Torvalds .fattr = fattr 1921da177e4SLinus Torvalds }; 193dead28daSChuck Lever struct rpc_message msg = { 194dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP], 195dead28daSChuck Lever .rpc_argp = &arg, 196dead28daSChuck Lever .rpc_resp = &res, 197dead28daSChuck Lever }; 1981da177e4SLinus Torvalds int status; 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 2010e574af1STrond Myklebust nfs_fattr_init(fattr); 202dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 2031da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 2041da177e4SLinus Torvalds return status; 2051da177e4SLinus Torvalds } 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvalds static int nfs_proc_readlink(struct inode *inode, struct page *page, 2081da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2091da177e4SLinus Torvalds { 2101da177e4SLinus Torvalds struct nfs_readlinkargs args = { 2111da177e4SLinus Torvalds .fh = NFS_FH(inode), 2121da177e4SLinus Torvalds .pgbase = pgbase, 2131da177e4SLinus Torvalds .pglen = pglen, 2141da177e4SLinus Torvalds .pages = &page 2151da177e4SLinus Torvalds }; 216dead28daSChuck Lever struct rpc_message msg = { 217dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_READLINK], 218dead28daSChuck Lever .rpc_argp = &args, 219dead28daSChuck Lever }; 2201da177e4SLinus Torvalds int status; 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 223dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2241da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2251da177e4SLinus Torvalds return status; 2261da177e4SLinus Torvalds } 2271da177e4SLinus Torvalds 228eb872f0cSTrond Myklebust struct nfs_createdata { 229eb872f0cSTrond Myklebust struct nfs_createargs arg; 230eb872f0cSTrond Myklebust struct nfs_diropok res; 231eb872f0cSTrond Myklebust struct nfs_fh fhandle; 232eb872f0cSTrond Myklebust struct nfs_fattr fattr; 233eb872f0cSTrond Myklebust }; 234eb872f0cSTrond Myklebust 235eb872f0cSTrond Myklebust static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir, 236eb872f0cSTrond Myklebust struct dentry *dentry, struct iattr *sattr) 237eb872f0cSTrond Myklebust { 238eb872f0cSTrond Myklebust struct nfs_createdata *data; 239eb872f0cSTrond Myklebust 240eb872f0cSTrond Myklebust data = kmalloc(sizeof(*data), GFP_KERNEL); 241eb872f0cSTrond Myklebust 242eb872f0cSTrond Myklebust if (data != NULL) { 243eb872f0cSTrond Myklebust data->arg.fh = NFS_FH(dir); 244eb872f0cSTrond Myklebust data->arg.name = dentry->d_name.name; 245eb872f0cSTrond Myklebust data->arg.len = dentry->d_name.len; 246eb872f0cSTrond Myklebust data->arg.sattr = sattr; 247eb872f0cSTrond Myklebust nfs_fattr_init(&data->fattr); 248eb872f0cSTrond Myklebust data->fhandle.size = 0; 249eb872f0cSTrond Myklebust data->res.fh = &data->fhandle; 250eb872f0cSTrond Myklebust data->res.fattr = &data->fattr; 251eb872f0cSTrond Myklebust } 252eb872f0cSTrond Myklebust return data; 253eb872f0cSTrond Myklebust }; 254eb872f0cSTrond Myklebust 255eb872f0cSTrond Myklebust static void nfs_free_createdata(const struct nfs_createdata *data) 256eb872f0cSTrond Myklebust { 257eb872f0cSTrond Myklebust kfree(data); 258eb872f0cSTrond Myklebust } 259eb872f0cSTrond Myklebust 2601da177e4SLinus Torvalds static int 2611da177e4SLinus Torvalds nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 262c0204fd2STrond Myklebust int flags, struct nfs_open_context *ctx) 2631da177e4SLinus Torvalds { 264eb872f0cSTrond Myklebust struct nfs_createdata *data; 265dead28daSChuck Lever struct rpc_message msg = { 266dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 267dead28daSChuck Lever }; 268eb872f0cSTrond Myklebust int status = -ENOMEM; 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 271eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 272eb872f0cSTrond Myklebust if (data == NULL) 273eb872f0cSTrond Myklebust goto out; 274eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 275eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 276dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 277bad2a524STrond Myklebust nfs_mark_for_revalidate(dir); 2781da177e4SLinus Torvalds if (status == 0) 279eb872f0cSTrond Myklebust status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); 280eb872f0cSTrond Myklebust nfs_free_createdata(data); 281eb872f0cSTrond Myklebust out: 2821da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 2831da177e4SLinus Torvalds return status; 2841da177e4SLinus Torvalds } 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds /* 2871da177e4SLinus Torvalds * In NFSv2, mknod is grafted onto the create call. 2881da177e4SLinus Torvalds */ 2891da177e4SLinus Torvalds static int 2901da177e4SLinus Torvalds nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2911da177e4SLinus Torvalds dev_t rdev) 2921da177e4SLinus Torvalds { 293eb872f0cSTrond Myklebust struct nfs_createdata *data; 294dead28daSChuck Lever struct rpc_message msg = { 295dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 296dead28daSChuck Lever }; 297eb872f0cSTrond Myklebust umode_t mode; 298eb872f0cSTrond Myklebust int status = -ENOMEM; 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvalds dprintk("NFS call mknod %s\n", dentry->d_name.name); 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds mode = sattr->ia_mode; 3031da177e4SLinus Torvalds if (S_ISFIFO(mode)) { 3041da177e4SLinus Torvalds sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR; 3051da177e4SLinus Torvalds sattr->ia_valid &= ~ATTR_SIZE; 3061da177e4SLinus Torvalds } else if (S_ISCHR(mode) || S_ISBLK(mode)) { 3071da177e4SLinus Torvalds sattr->ia_valid |= ATTR_SIZE; 3081da177e4SLinus Torvalds sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 3091da177e4SLinus Torvalds } 3101da177e4SLinus Torvalds 311eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 312eb872f0cSTrond Myklebust if (data == NULL) 313eb872f0cSTrond Myklebust goto out; 314eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 315eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 316eb872f0cSTrond Myklebust 317dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 318decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvalds if (status == -EINVAL && S_ISFIFO(mode)) { 3211da177e4SLinus Torvalds sattr->ia_mode = mode; 322eb872f0cSTrond Myklebust nfs_fattr_init(data->res.fattr); 323dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 3241da177e4SLinus Torvalds } 3251da177e4SLinus Torvalds if (status == 0) 326eb872f0cSTrond Myklebust status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); 327eb872f0cSTrond Myklebust nfs_free_createdata(data); 328eb872f0cSTrond Myklebust out: 3291da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 3301da177e4SLinus Torvalds return status; 3311da177e4SLinus Torvalds } 3321da177e4SLinus Torvalds 3331da177e4SLinus Torvalds static int 3341da177e4SLinus Torvalds nfs_proc_remove(struct inode *dir, struct qstr *name) 3351da177e4SLinus Torvalds { 3364fdc17b2STrond Myklebust struct nfs_removeargs arg = { 3371da177e4SLinus Torvalds .fh = NFS_FH(dir), 3384fdc17b2STrond Myklebust .name.len = name->len, 3394fdc17b2STrond Myklebust .name.name = name->name, 3401da177e4SLinus Torvalds }; 3411da177e4SLinus Torvalds struct rpc_message msg = { 3421da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_REMOVE], 3431da177e4SLinus Torvalds .rpc_argp = &arg, 3441da177e4SLinus Torvalds }; 3451da177e4SLinus Torvalds int status; 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 3481da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 349decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 3521da177e4SLinus Torvalds return status; 3531da177e4SLinus Torvalds } 3541da177e4SLinus Torvalds 355e4eff1a6STrond Myklebust static void 356e4eff1a6STrond Myklebust nfs_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 3571da177e4SLinus Torvalds { 3581da177e4SLinus Torvalds msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE]; 3591da177e4SLinus Torvalds } 3601da177e4SLinus Torvalds 36134e137ccSBryan Schumaker static void nfs_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 36234e137ccSBryan Schumaker { 36334e137ccSBryan Schumaker rpc_call_start(task); 36434e137ccSBryan Schumaker } 36534e137ccSBryan Schumaker 366e4eff1a6STrond Myklebust static int nfs_proc_unlink_done(struct rpc_task *task, struct inode *dir) 3671da177e4SLinus Torvalds { 36897cefcc6SJeff Layton if (nfs_async_handle_expired_key(task)) 36997cefcc6SJeff Layton return 0; 370e4eff1a6STrond Myklebust nfs_mark_for_revalidate(dir); 371e4eff1a6STrond Myklebust return 1; 3721da177e4SLinus Torvalds } 3731da177e4SLinus Torvalds 374d3d4152aSJeff Layton static void 375d3d4152aSJeff Layton nfs_proc_rename_setup(struct rpc_message *msg, struct inode *dir) 376d3d4152aSJeff Layton { 377d3d4152aSJeff Layton msg->rpc_proc = &nfs_procedures[NFSPROC_RENAME]; 378d3d4152aSJeff Layton } 379d3d4152aSJeff Layton 380c6bfa1a1SBryan Schumaker static void nfs_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 381c6bfa1a1SBryan Schumaker { 382c6bfa1a1SBryan Schumaker rpc_call_start(task); 383c6bfa1a1SBryan Schumaker } 384c6bfa1a1SBryan Schumaker 385d3d4152aSJeff Layton static int 386d3d4152aSJeff Layton nfs_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 387d3d4152aSJeff Layton struct inode *new_dir) 388d3d4152aSJeff Layton { 389d3d4152aSJeff Layton if (nfs_async_handle_expired_key(task)) 390d3d4152aSJeff Layton return 0; 391d3d4152aSJeff Layton nfs_mark_for_revalidate(old_dir); 392d3d4152aSJeff Layton nfs_mark_for_revalidate(new_dir); 393d3d4152aSJeff Layton return 1; 394d3d4152aSJeff Layton } 395d3d4152aSJeff Layton 3961da177e4SLinus Torvalds static int 3971da177e4SLinus Torvalds nfs_proc_rename(struct inode *old_dir, struct qstr *old_name, 3981da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 3991da177e4SLinus Torvalds { 4001da177e4SLinus Torvalds struct nfs_renameargs arg = { 401920769f0SJeff Layton .old_dir = NFS_FH(old_dir), 402920769f0SJeff Layton .old_name = old_name, 403920769f0SJeff Layton .new_dir = NFS_FH(new_dir), 404920769f0SJeff Layton .new_name = new_name, 4051da177e4SLinus Torvalds }; 406dead28daSChuck Lever struct rpc_message msg = { 407dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_RENAME], 408dead28daSChuck Lever .rpc_argp = &arg, 409dead28daSChuck Lever }; 4101da177e4SLinus Torvalds int status; 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 413dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 414decf491fSTrond Myklebust nfs_mark_for_revalidate(old_dir); 415decf491fSTrond Myklebust nfs_mark_for_revalidate(new_dir); 4161da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 4171da177e4SLinus Torvalds return status; 4181da177e4SLinus Torvalds } 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds static int 4211da177e4SLinus Torvalds nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds struct nfs_linkargs arg = { 4241da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 4251da177e4SLinus Torvalds .tofh = NFS_FH(dir), 4261da177e4SLinus Torvalds .toname = name->name, 4271da177e4SLinus Torvalds .tolen = name->len 4281da177e4SLinus Torvalds }; 429dead28daSChuck Lever struct rpc_message msg = { 430dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LINK], 431dead28daSChuck Lever .rpc_argp = &arg, 432dead28daSChuck Lever }; 4331da177e4SLinus Torvalds int status; 4341da177e4SLinus Torvalds 4351da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 436dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 4375ba7cc48STrond Myklebust nfs_mark_for_revalidate(inode); 438decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4391da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 4401da177e4SLinus Torvalds return status; 4411da177e4SLinus Torvalds } 4421da177e4SLinus Torvalds 4431da177e4SLinus Torvalds static int 44494a6d753SChuck Lever nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 44594a6d753SChuck Lever unsigned int len, struct iattr *sattr) 4461da177e4SLinus Torvalds { 44723a30612STrond Myklebust struct nfs_fh *fh; 44823a30612STrond Myklebust struct nfs_fattr *fattr; 4491da177e4SLinus Torvalds struct nfs_symlinkargs arg = { 4501da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 4514f390c15SChuck Lever .fromname = dentry->d_name.name, 4524f390c15SChuck Lever .fromlen = dentry->d_name.len, 45394a6d753SChuck Lever .pages = &page, 45494a6d753SChuck Lever .pathlen = len, 4551da177e4SLinus Torvalds .sattr = sattr 4561da177e4SLinus Torvalds }; 457dead28daSChuck Lever struct rpc_message msg = { 458dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK], 459dead28daSChuck Lever .rpc_argp = &arg, 460dead28daSChuck Lever }; 46123a30612STrond Myklebust int status = -ENAMETOOLONG; 4624f390c15SChuck Lever 46394a6d753SChuck Lever dprintk("NFS call symlink %s\n", dentry->d_name.name); 46494a6d753SChuck Lever 46523a30612STrond Myklebust if (len > NFS2_MAXPATHLEN) 46623a30612STrond Myklebust goto out; 46723a30612STrond Myklebust 46823a30612STrond Myklebust fh = nfs_alloc_fhandle(); 46923a30612STrond Myklebust fattr = nfs_alloc_fattr(); 47023a30612STrond Myklebust status = -ENOMEM; 47123a30612STrond Myklebust if (fh == NULL || fattr == NULL) 472878215feSJesper Juhl goto out_free; 47323a30612STrond Myklebust 474dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 475decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4764f390c15SChuck Lever 4774f390c15SChuck Lever /* 4784f390c15SChuck Lever * V2 SYMLINK requests don't return any attributes. Setting the 4794f390c15SChuck Lever * filehandle size to zero indicates to nfs_instantiate that it 4804f390c15SChuck Lever * should fill in the data with a LOOKUP call on the wire. 4814f390c15SChuck Lever */ 48223a30612STrond Myklebust if (status == 0) 48323a30612STrond Myklebust status = nfs_instantiate(dentry, fh, fattr); 4844f390c15SChuck Lever 485878215feSJesper Juhl out_free: 48623a30612STrond Myklebust nfs_free_fattr(fattr); 48723a30612STrond Myklebust nfs_free_fhandle(fh); 48823a30612STrond Myklebust out: 4891da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 4901da177e4SLinus Torvalds return status; 4911da177e4SLinus Torvalds } 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvalds static int 4941da177e4SLinus Torvalds nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 4951da177e4SLinus Torvalds { 496eb872f0cSTrond Myklebust struct nfs_createdata *data; 497dead28daSChuck Lever struct rpc_message msg = { 498dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], 499dead28daSChuck Lever }; 500eb872f0cSTrond Myklebust int status = -ENOMEM; 5011da177e4SLinus Torvalds 5021da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 503eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 504eb872f0cSTrond Myklebust if (data == NULL) 505eb872f0cSTrond Myklebust goto out; 506eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 507eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 508eb872f0cSTrond Myklebust 509dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 510decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 5111da177e4SLinus Torvalds if (status == 0) 512eb872f0cSTrond Myklebust status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); 513eb872f0cSTrond Myklebust nfs_free_createdata(data); 514eb872f0cSTrond Myklebust out: 5151da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 5161da177e4SLinus Torvalds return status; 5171da177e4SLinus Torvalds } 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds static int 5201da177e4SLinus Torvalds nfs_proc_rmdir(struct inode *dir, struct qstr *name) 5211da177e4SLinus Torvalds { 5221da177e4SLinus Torvalds struct nfs_diropargs arg = { 5231da177e4SLinus Torvalds .fh = NFS_FH(dir), 5241da177e4SLinus Torvalds .name = name->name, 5251da177e4SLinus Torvalds .len = name->len 5261da177e4SLinus Torvalds }; 527dead28daSChuck Lever struct rpc_message msg = { 528dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_RMDIR], 529dead28daSChuck Lever .rpc_argp = &arg, 530dead28daSChuck Lever }; 5311da177e4SLinus Torvalds int status; 5321da177e4SLinus Torvalds 5331da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 534dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 535decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 5361da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 5371da177e4SLinus Torvalds return status; 5381da177e4SLinus Torvalds } 5391da177e4SLinus Torvalds 5401da177e4SLinus Torvalds /* 5411da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass a temporary 5421da177e4SLinus Torvalds * buffer to the encode function, which installs it in the receive 5431da177e4SLinus Torvalds * the receive iovec. The decode function just parses the reply to make 5441da177e4SLinus Torvalds * sure it is syntactically correct; the entries itself are decoded 5451da177e4SLinus Torvalds * from nfs_readdir by calling the decode_entry function directly. 5461da177e4SLinus Torvalds */ 5471da177e4SLinus Torvalds static int 5481da177e4SLinus Torvalds nfs_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 54956e4ebf8SBryan Schumaker u64 cookie, struct page **pages, unsigned int count, int plus) 5501da177e4SLinus Torvalds { 5511da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 5521da177e4SLinus Torvalds struct nfs_readdirargs arg = { 5531da177e4SLinus Torvalds .fh = NFS_FH(dir), 5541da177e4SLinus Torvalds .cookie = cookie, 5551da177e4SLinus Torvalds .count = count, 55656e4ebf8SBryan Schumaker .pages = pages, 5571da177e4SLinus Torvalds }; 5581da177e4SLinus Torvalds struct rpc_message msg = { 5591da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_READDIR], 5601da177e4SLinus Torvalds .rpc_argp = &arg, 561dead28daSChuck Lever .rpc_cred = cred, 5621da177e4SLinus Torvalds }; 5631da177e4SLinus Torvalds int status; 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds dprintk("NFS call readdir %d\n", (unsigned int)cookie); 5661da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 5671da177e4SLinus Torvalds 568c4812998STrond Myklebust nfs_invalidate_atime(dir); 569c4812998STrond Myklebust 5701da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 5711da177e4SLinus Torvalds return status; 5721da177e4SLinus Torvalds } 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds static int 5751da177e4SLinus Torvalds nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 5761da177e4SLinus Torvalds struct nfs_fsstat *stat) 5771da177e4SLinus Torvalds { 5781da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 579dead28daSChuck Lever struct rpc_message msg = { 580dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 581dead28daSChuck Lever .rpc_argp = fhandle, 582dead28daSChuck Lever .rpc_resp = &fsinfo, 583dead28daSChuck Lever }; 5841da177e4SLinus Torvalds int status; 5851da177e4SLinus Torvalds 5861da177e4SLinus Torvalds dprintk("NFS call statfs\n"); 5870e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 588dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5891da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 5901da177e4SLinus Torvalds if (status) 5911da177e4SLinus Torvalds goto out; 5921da177e4SLinus Torvalds stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize; 5931da177e4SLinus Torvalds stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize; 5941da177e4SLinus Torvalds stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize; 5951da177e4SLinus Torvalds stat->tfiles = 0; 5961da177e4SLinus Torvalds stat->ffiles = 0; 5971da177e4SLinus Torvalds stat->afiles = 0; 5981da177e4SLinus Torvalds out: 5991da177e4SLinus Torvalds return status; 6001da177e4SLinus Torvalds } 6011da177e4SLinus Torvalds 6021da177e4SLinus Torvalds static int 6031da177e4SLinus Torvalds nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 6041da177e4SLinus Torvalds struct nfs_fsinfo *info) 6051da177e4SLinus Torvalds { 6061da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 607dead28daSChuck Lever struct rpc_message msg = { 608dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 609dead28daSChuck Lever .rpc_argp = fhandle, 610dead28daSChuck Lever .rpc_resp = &fsinfo, 611dead28daSChuck Lever }; 6121da177e4SLinus Torvalds int status; 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 6150e574af1STrond Myklebust nfs_fattr_init(info->fattr); 616dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 6171da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 6181da177e4SLinus Torvalds if (status) 6191da177e4SLinus Torvalds goto out; 6201da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 6211da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 6221da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 6231da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 6241da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 6251da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 6261da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 6271da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 6281da177e4SLinus Torvalds info->lease_time = 0; 6291da177e4SLinus Torvalds out: 6301da177e4SLinus Torvalds return status; 6311da177e4SLinus Torvalds } 6321da177e4SLinus Torvalds 6331da177e4SLinus Torvalds static int 6341da177e4SLinus Torvalds nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 6351da177e4SLinus Torvalds struct nfs_pathconf *info) 6361da177e4SLinus Torvalds { 6371da177e4SLinus Torvalds info->max_link = 0; 6381da177e4SLinus Torvalds info->max_namelen = NFS2_MAXNAMLEN; 6391da177e4SLinus Torvalds return 0; 6401da177e4SLinus Torvalds } 6411da177e4SLinus Torvalds 642ec06c096STrond Myklebust static int nfs_read_done(struct rpc_task *task, struct nfs_read_data *data) 6431da177e4SLinus Torvalds { 64497cefcc6SJeff Layton if (nfs_async_handle_expired_key(task)) 64597cefcc6SJeff Layton return -EAGAIN; 64697cefcc6SJeff Layton 6478850df99STrond Myklebust nfs_invalidate_atime(data->inode); 6481da177e4SLinus Torvalds if (task->tk_status >= 0) { 6491da177e4SLinus Torvalds nfs_refresh_inode(data->inode, data->res.fattr); 6501da177e4SLinus Torvalds /* Emulate the eof flag, which isn't normally needed in NFSv2 6511da177e4SLinus Torvalds * as it is guaranteed to always return the file attributes 6521da177e4SLinus Torvalds */ 6531da177e4SLinus Torvalds if (data->args.offset + data->args.count >= data->res.fattr->size) 6541da177e4SLinus Torvalds data->res.eof = 1; 6551da177e4SLinus Torvalds } 656ec06c096STrond Myklebust return 0; 6571da177e4SLinus Torvalds } 6581da177e4SLinus Torvalds 659bdc7f021STrond Myklebust static void nfs_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) 6601da177e4SLinus Torvalds { 661bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_READ]; 6621da177e4SLinus Torvalds } 6631da177e4SLinus Torvalds 664ea7c3303SBryan Schumaker static void nfs_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data) 665ea7c3303SBryan Schumaker { 666ea7c3303SBryan Schumaker rpc_call_start(task); 667ea7c3303SBryan Schumaker } 668ea7c3303SBryan Schumaker 669788e7a89STrond Myklebust static int nfs_write_done(struct rpc_task *task, struct nfs_write_data *data) 6701da177e4SLinus Torvalds { 67197cefcc6SJeff Layton if (nfs_async_handle_expired_key(task)) 67297cefcc6SJeff Layton return -EAGAIN; 67397cefcc6SJeff Layton 6741da177e4SLinus Torvalds if (task->tk_status >= 0) 67570ca8852STrond Myklebust nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr); 676788e7a89STrond Myklebust return 0; 6771da177e4SLinus Torvalds } 6781da177e4SLinus Torvalds 679bdc7f021STrond Myklebust static void nfs_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) 6801da177e4SLinus Torvalds { 6811da177e4SLinus Torvalds /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ 6821da177e4SLinus Torvalds data->args.stable = NFS_FILE_SYNC; 683bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE]; 6841da177e4SLinus Torvalds } 6851da177e4SLinus Torvalds 686c6cb80d0SBryan Schumaker static void nfs_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data) 687c6cb80d0SBryan Schumaker { 688c6cb80d0SBryan Schumaker rpc_call_start(task); 689c6cb80d0SBryan Schumaker } 690c6cb80d0SBryan Schumaker 6910b7c0153SFred Isaman static void nfs_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 6920b7c0153SFred Isaman { 6930b7c0153SFred Isaman BUG(); 6940b7c0153SFred Isaman } 6950b7c0153SFred Isaman 6961da177e4SLinus Torvalds static void 6970b7c0153SFred Isaman nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg) 6981da177e4SLinus Torvalds { 6991da177e4SLinus Torvalds BUG(); 7001da177e4SLinus Torvalds } 7011da177e4SLinus Torvalds 7021da177e4SLinus Torvalds static int 7031da177e4SLinus Torvalds nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 7041da177e4SLinus Torvalds { 7051093a60eSChuck Lever struct inode *inode = filp->f_path.dentry->d_inode; 7061093a60eSChuck Lever 7071093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 7081da177e4SLinus Torvalds } 7091da177e4SLinus Torvalds 7102116271aSTrond Myklebust /* Helper functions for NFS lock bounds checking */ 7112116271aSTrond Myklebust #define NFS_LOCK32_OFFSET_MAX ((__s32)0x7fffffffUL) 7122116271aSTrond Myklebust static int nfs_lock_check_bounds(const struct file_lock *fl) 7132116271aSTrond Myklebust { 7142116271aSTrond Myklebust __s32 start, end; 7152116271aSTrond Myklebust 7162116271aSTrond Myklebust start = (__s32)fl->fl_start; 7172116271aSTrond Myklebust if ((loff_t)start != fl->fl_start) 7182116271aSTrond Myklebust goto out_einval; 7192116271aSTrond Myklebust 7202116271aSTrond Myklebust if (fl->fl_end != OFFSET_MAX) { 7212116271aSTrond Myklebust end = (__s32)fl->fl_end; 7222116271aSTrond Myklebust if ((loff_t)end != fl->fl_end) 7232116271aSTrond Myklebust goto out_einval; 7242116271aSTrond Myklebust } else 7252116271aSTrond Myklebust end = NFS_LOCK32_OFFSET_MAX; 7262116271aSTrond Myklebust 7272116271aSTrond Myklebust if (start < 0 || start > end) 7282116271aSTrond Myklebust goto out_einval; 7292116271aSTrond Myklebust return 0; 7302116271aSTrond Myklebust out_einval: 7312116271aSTrond Myklebust return -EINVAL; 7322116271aSTrond Myklebust } 7331da177e4SLinus Torvalds 734509de811SDavid Howells const struct nfs_rpc_ops nfs_v2_clientops = { 7351da177e4SLinus Torvalds .version = 2, /* protocol version */ 7361da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 7371da177e4SLinus Torvalds .dir_inode_ops = &nfs_dir_inode_operations, 73892cfc62cSJ. Bruce Fields .file_inode_ops = &nfs_file_inode_operations, 7391788ea6eSJeff Layton .file_ops = &nfs_file_operations, 7401da177e4SLinus Torvalds .getroot = nfs_proc_get_root, 7411da177e4SLinus Torvalds .getattr = nfs_proc_getattr, 7421da177e4SLinus Torvalds .setattr = nfs_proc_setattr, 7431da177e4SLinus Torvalds .lookup = nfs_proc_lookup, 7441da177e4SLinus Torvalds .access = NULL, /* access */ 7451da177e4SLinus Torvalds .readlink = nfs_proc_readlink, 7461da177e4SLinus Torvalds .create = nfs_proc_create, 7471da177e4SLinus Torvalds .remove = nfs_proc_remove, 7481da177e4SLinus Torvalds .unlink_setup = nfs_proc_unlink_setup, 74934e137ccSBryan Schumaker .unlink_rpc_prepare = nfs_proc_unlink_rpc_prepare, 7501da177e4SLinus Torvalds .unlink_done = nfs_proc_unlink_done, 7511da177e4SLinus Torvalds .rename = nfs_proc_rename, 752d3d4152aSJeff Layton .rename_setup = nfs_proc_rename_setup, 753c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs_proc_rename_rpc_prepare, 754d3d4152aSJeff Layton .rename_done = nfs_proc_rename_done, 7551da177e4SLinus Torvalds .link = nfs_proc_link, 7561da177e4SLinus Torvalds .symlink = nfs_proc_symlink, 7571da177e4SLinus Torvalds .mkdir = nfs_proc_mkdir, 7581da177e4SLinus Torvalds .rmdir = nfs_proc_rmdir, 7591da177e4SLinus Torvalds .readdir = nfs_proc_readdir, 7601da177e4SLinus Torvalds .mknod = nfs_proc_mknod, 7611da177e4SLinus Torvalds .statfs = nfs_proc_statfs, 7621da177e4SLinus Torvalds .fsinfo = nfs_proc_fsinfo, 7631da177e4SLinus Torvalds .pathconf = nfs_proc_pathconf, 764f796f8b3SChuck Lever .decode_dirent = nfs2_decode_dirent, 7651da177e4SLinus Torvalds .read_setup = nfs_proc_read_setup, 766ea7c3303SBryan Schumaker .read_rpc_prepare = nfs_proc_read_rpc_prepare, 767ec06c096STrond Myklebust .read_done = nfs_read_done, 7681da177e4SLinus Torvalds .write_setup = nfs_proc_write_setup, 769c6cb80d0SBryan Schumaker .write_rpc_prepare = nfs_proc_write_rpc_prepare, 770788e7a89STrond Myklebust .write_done = nfs_write_done, 7711da177e4SLinus Torvalds .commit_setup = nfs_proc_commit_setup, 7720b7c0153SFred Isaman .commit_rpc_prepare = nfs_proc_commit_rpc_prepare, 7731da177e4SLinus Torvalds .lock = nfs_proc_lock, 7742116271aSTrond Myklebust .lock_check_bounds = nfs_lock_check_bounds, 7757fe5c398STrond Myklebust .close_context = nfs_close_context, 77645a52a02SAndy Adamson .init_client = nfs_init_client, 7771da177e4SLinus Torvalds }; 778