1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * linux/fs/nfs/proc.c 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Copyright (C) 1992, 1993, 1994 Rick Sladkey 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * OS-independent nfs remote procedure call functions 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * Tuned by Alan Cox <A.Cox@swansea.ac.uk> for >3K buffers 101da177e4SLinus Torvalds * so at last we can have decent(ish) throughput off a 111da177e4SLinus Torvalds * Sun server. 121da177e4SLinus Torvalds * 131da177e4SLinus Torvalds * Coding optimized and cleaned up by Florian La Roche. 141da177e4SLinus Torvalds * Note: Error returns are optimized for NFS_OK, which isn't translated via 151da177e4SLinus Torvalds * nfs_stat_to_errno(), but happens to be already the right return code. 161da177e4SLinus Torvalds * 171da177e4SLinus Torvalds * Also, the code currently doesn't check the size of the packet, when 181da177e4SLinus Torvalds * it decodes the packet. 191da177e4SLinus Torvalds * 201da177e4SLinus Torvalds * Feel free to fix it and mail me the diffs if it worries you. 211da177e4SLinus Torvalds * 221da177e4SLinus Torvalds * Completely rewritten to support the new RPC call interface; 231da177e4SLinus Torvalds * rewrote and moved the entire XDR stuff to xdr.c 241da177e4SLinus Torvalds * --Olaf Kirch June 1996 251da177e4SLinus Torvalds * 261da177e4SLinus Torvalds * The code below initializes all auto variables explicitly, otherwise 271da177e4SLinus Torvalds * it will fail to work as a module (gcc generates a memset call for an 281da177e4SLinus Torvalds * incomplete struct). 291da177e4SLinus Torvalds */ 301da177e4SLinus Torvalds 311da177e4SLinus Torvalds #include <linux/types.h> 321da177e4SLinus Torvalds #include <linux/param.h> 331da177e4SLinus Torvalds #include <linux/time.h> 341da177e4SLinus Torvalds #include <linux/mm.h> 351da177e4SLinus Torvalds #include <linux/errno.h> 361da177e4SLinus Torvalds #include <linux/string.h> 371da177e4SLinus Torvalds #include <linux/in.h> 381da177e4SLinus Torvalds #include <linux/pagemap.h> 391da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 401da177e4SLinus Torvalds #include <linux/nfs.h> 411da177e4SLinus Torvalds #include <linux/nfs2.h> 421da177e4SLinus Torvalds #include <linux/nfs_fs.h> 431da177e4SLinus Torvalds #include <linux/nfs_page.h> 441da177e4SLinus Torvalds #include <linux/lockd/bind.h> 45d310310cSJeff Layton #include <linux/freezer.h> 46f7b422b1SDavid Howells #include "internal.h" 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds /* 511da177e4SLinus Torvalds * Bare-bones access to getattr: this is for nfs_read_super. 521da177e4SLinus Torvalds */ 531da177e4SLinus Torvalds static int 541da177e4SLinus Torvalds nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 551da177e4SLinus Torvalds struct nfs_fsinfo *info) 561da177e4SLinus Torvalds { 571da177e4SLinus Torvalds struct nfs_fattr *fattr = info->fattr; 581da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 59dead28daSChuck Lever struct rpc_message msg = { 60dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 61dead28daSChuck Lever .rpc_argp = fhandle, 62dead28daSChuck Lever .rpc_resp = fattr, 63dead28daSChuck Lever }; 641da177e4SLinus Torvalds int status; 651da177e4SLinus Torvalds 663110ff80SHarvey Harrison dprintk("%s: call getattr\n", __func__); 670e574af1STrond Myklebust nfs_fattr_init(fattr); 6837ca8f5cSEG Keizer status = rpc_call_sync(server->client, &msg, 0); 6937ca8f5cSEG Keizer /* Retry with default authentication if different */ 7037ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 715006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 723110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 731da177e4SLinus Torvalds if (status) 741da177e4SLinus Torvalds return status; 753110ff80SHarvey Harrison dprintk("%s: call statfs\n", __func__); 76dead28daSChuck Lever msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS]; 77dead28daSChuck Lever msg.rpc_resp = &fsinfo; 7837ca8f5cSEG Keizer status = rpc_call_sync(server->client, &msg, 0); 7937ca8f5cSEG Keizer /* Retry with default authentication if different */ 8037ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 815006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 823110ff80SHarvey Harrison dprintk("%s: reply statfs: %d\n", __func__, status); 831da177e4SLinus Torvalds if (status) 841da177e4SLinus Torvalds return status; 851da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 861da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 871da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 881da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 891da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 901da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 911da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 921da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 931da177e4SLinus Torvalds info->lease_time = 0; 941da177e4SLinus Torvalds return 0; 951da177e4SLinus Torvalds } 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds /* 981da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 991da177e4SLinus Torvalds */ 1001da177e4SLinus Torvalds static int 1011da177e4SLinus Torvalds nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 102a841b54dSTrond Myklebust struct nfs_fattr *fattr, struct nfs4_label *label, 103a841b54dSTrond Myklebust struct inode *inode) 1041da177e4SLinus Torvalds { 105dead28daSChuck Lever struct rpc_message msg = { 106dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 107dead28daSChuck Lever .rpc_argp = fhandle, 108dead28daSChuck Lever .rpc_resp = fattr, 109dead28daSChuck Lever }; 1101da177e4SLinus Torvalds int status; 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1130e574af1STrond Myklebust nfs_fattr_init(fattr); 114dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1151da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1161da177e4SLinus Torvalds return status; 1171da177e4SLinus Torvalds } 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds static int 1201da177e4SLinus Torvalds nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1211da177e4SLinus Torvalds struct iattr *sattr) 1221da177e4SLinus Torvalds { 1232b0143b5SDavid Howells struct inode *inode = d_inode(dentry); 1241da177e4SLinus Torvalds struct nfs_sattrargs arg = { 1251da177e4SLinus Torvalds .fh = NFS_FH(inode), 1261da177e4SLinus Torvalds .sattr = sattr 1271da177e4SLinus Torvalds }; 128dead28daSChuck Lever struct rpc_message msg = { 129dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SETATTR], 130dead28daSChuck Lever .rpc_argp = &arg, 131dead28daSChuck Lever .rpc_resp = fattr, 132dead28daSChuck Lever }; 1331da177e4SLinus Torvalds int status; 1341da177e4SLinus Torvalds 135cf3fff54STrond Myklebust /* Mask out the non-modebit related stuff from attr->ia_mode */ 136cf3fff54STrond Myklebust sattr->ia_mode &= S_IALLUGO; 137cf3fff54STrond Myklebust 1381da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 139659bfcd6STrond Myklebust if (sattr->ia_valid & ATTR_FILE) 140659bfcd6STrond Myklebust msg.rpc_cred = nfs_file_cred(sattr->ia_file); 1410e574af1STrond Myklebust nfs_fattr_init(fattr); 142dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 14365e4308dSTrond Myklebust if (status == 0) 144f044636dSTrond Myklebust nfs_setattr_update_inode(inode, sattr, fattr); 1451da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1461da177e4SLinus Torvalds return status; 1471da177e4SLinus Torvalds } 1481da177e4SLinus Torvalds 1491da177e4SLinus Torvalds static int 150beffb8feSAl Viro nfs_proc_lookup(struct inode *dir, const struct qstr *name, 1511775fd3eSDavid Quigley struct nfs_fh *fhandle, struct nfs_fattr *fattr, 1521775fd3eSDavid Quigley struct nfs4_label *label) 1531da177e4SLinus Torvalds { 1541da177e4SLinus Torvalds struct nfs_diropargs arg = { 1551da177e4SLinus Torvalds .fh = NFS_FH(dir), 1561da177e4SLinus Torvalds .name = name->name, 1571da177e4SLinus Torvalds .len = name->len 1581da177e4SLinus Torvalds }; 1591da177e4SLinus Torvalds struct nfs_diropok res = { 1601da177e4SLinus Torvalds .fh = fhandle, 1611da177e4SLinus Torvalds .fattr = fattr 1621da177e4SLinus Torvalds }; 163dead28daSChuck Lever struct rpc_message msg = { 164dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP], 165dead28daSChuck Lever .rpc_argp = &arg, 166dead28daSChuck Lever .rpc_resp = &res, 167dead28daSChuck Lever }; 1681da177e4SLinus Torvalds int status; 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 1710e574af1STrond Myklebust nfs_fattr_init(fattr); 172dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1731da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1741da177e4SLinus Torvalds return status; 1751da177e4SLinus Torvalds } 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvalds static int nfs_proc_readlink(struct inode *inode, struct page *page, 1781da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 1791da177e4SLinus Torvalds { 1801da177e4SLinus Torvalds struct nfs_readlinkargs args = { 1811da177e4SLinus Torvalds .fh = NFS_FH(inode), 1821da177e4SLinus Torvalds .pgbase = pgbase, 1831da177e4SLinus Torvalds .pglen = pglen, 1841da177e4SLinus Torvalds .pages = &page 1851da177e4SLinus Torvalds }; 186dead28daSChuck Lever struct rpc_message msg = { 187dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_READLINK], 188dead28daSChuck Lever .rpc_argp = &args, 189dead28daSChuck Lever }; 1901da177e4SLinus Torvalds int status; 1911da177e4SLinus Torvalds 1921da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 193dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 1941da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 1951da177e4SLinus Torvalds return status; 1961da177e4SLinus Torvalds } 1971da177e4SLinus Torvalds 198eb872f0cSTrond Myklebust struct nfs_createdata { 199eb872f0cSTrond Myklebust struct nfs_createargs arg; 200eb872f0cSTrond Myklebust struct nfs_diropok res; 201eb872f0cSTrond Myklebust struct nfs_fh fhandle; 202eb872f0cSTrond Myklebust struct nfs_fattr fattr; 203eb872f0cSTrond Myklebust }; 204eb872f0cSTrond Myklebust 205eb872f0cSTrond Myklebust static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir, 206eb872f0cSTrond Myklebust struct dentry *dentry, struct iattr *sattr) 207eb872f0cSTrond Myklebust { 208eb872f0cSTrond Myklebust struct nfs_createdata *data; 209eb872f0cSTrond Myklebust 210eb872f0cSTrond Myklebust data = kmalloc(sizeof(*data), GFP_KERNEL); 211eb872f0cSTrond Myklebust 212eb872f0cSTrond Myklebust if (data != NULL) { 213eb872f0cSTrond Myklebust data->arg.fh = NFS_FH(dir); 214eb872f0cSTrond Myklebust data->arg.name = dentry->d_name.name; 215eb872f0cSTrond Myklebust data->arg.len = dentry->d_name.len; 216eb872f0cSTrond Myklebust data->arg.sattr = sattr; 217eb872f0cSTrond Myklebust nfs_fattr_init(&data->fattr); 218eb872f0cSTrond Myklebust data->fhandle.size = 0; 219eb872f0cSTrond Myklebust data->res.fh = &data->fhandle; 220eb872f0cSTrond Myklebust data->res.fattr = &data->fattr; 221eb872f0cSTrond Myklebust } 222eb872f0cSTrond Myklebust return data; 223eb872f0cSTrond Myklebust }; 224eb872f0cSTrond Myklebust 225eb872f0cSTrond Myklebust static void nfs_free_createdata(const struct nfs_createdata *data) 226eb872f0cSTrond Myklebust { 227eb872f0cSTrond Myklebust kfree(data); 228eb872f0cSTrond Myklebust } 229eb872f0cSTrond Myklebust 2301da177e4SLinus Torvalds static int 2311da177e4SLinus Torvalds nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2328867fe58SMiklos Szeredi int flags) 2331da177e4SLinus Torvalds { 234eb872f0cSTrond Myklebust struct nfs_createdata *data; 235dead28daSChuck Lever struct rpc_message msg = { 236dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 237dead28daSChuck Lever }; 238eb872f0cSTrond Myklebust int status = -ENOMEM; 2391da177e4SLinus Torvalds 2406de1472fSAl Viro dprintk("NFS call create %pd\n", dentry); 241eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 242eb872f0cSTrond Myklebust if (data == NULL) 243eb872f0cSTrond Myklebust goto out; 244eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 245eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 246dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 247bad2a524STrond Myklebust nfs_mark_for_revalidate(dir); 2481da177e4SLinus Torvalds if (status == 0) 2491775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 250eb872f0cSTrond Myklebust nfs_free_createdata(data); 251eb872f0cSTrond Myklebust out: 2521da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 2531da177e4SLinus Torvalds return status; 2541da177e4SLinus Torvalds } 2551da177e4SLinus Torvalds 2561da177e4SLinus Torvalds /* 2571da177e4SLinus Torvalds * In NFSv2, mknod is grafted onto the create call. 2581da177e4SLinus Torvalds */ 2591da177e4SLinus Torvalds static int 2601da177e4SLinus Torvalds nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2611da177e4SLinus Torvalds dev_t rdev) 2621da177e4SLinus Torvalds { 263eb872f0cSTrond Myklebust struct nfs_createdata *data; 264dead28daSChuck Lever struct rpc_message msg = { 265dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 266dead28daSChuck Lever }; 267eb872f0cSTrond Myklebust umode_t mode; 268eb872f0cSTrond Myklebust int status = -ENOMEM; 2691da177e4SLinus Torvalds 2706de1472fSAl Viro dprintk("NFS call mknod %pd\n", dentry); 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvalds mode = sattr->ia_mode; 2731da177e4SLinus Torvalds if (S_ISFIFO(mode)) { 2741da177e4SLinus Torvalds sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR; 2751da177e4SLinus Torvalds sattr->ia_valid &= ~ATTR_SIZE; 2761da177e4SLinus Torvalds } else if (S_ISCHR(mode) || S_ISBLK(mode)) { 2771da177e4SLinus Torvalds sattr->ia_valid |= ATTR_SIZE; 2781da177e4SLinus Torvalds sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 2791da177e4SLinus Torvalds } 2801da177e4SLinus Torvalds 281eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 282eb872f0cSTrond Myklebust if (data == NULL) 283eb872f0cSTrond Myklebust goto out; 284eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 285eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 286eb872f0cSTrond Myklebust 287dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 288decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds if (status == -EINVAL && S_ISFIFO(mode)) { 2911da177e4SLinus Torvalds sattr->ia_mode = mode; 292eb872f0cSTrond Myklebust nfs_fattr_init(data->res.fattr); 293dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 2941da177e4SLinus Torvalds } 2951da177e4SLinus Torvalds if (status == 0) 2961775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 297eb872f0cSTrond Myklebust nfs_free_createdata(data); 298eb872f0cSTrond Myklebust out: 2991da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 3001da177e4SLinus Torvalds return status; 3011da177e4SLinus Torvalds } 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvalds static int 304912678dbSTrond Myklebust nfs_proc_remove(struct inode *dir, struct dentry *dentry) 3051da177e4SLinus Torvalds { 3064fdc17b2STrond Myklebust struct nfs_removeargs arg = { 3071da177e4SLinus Torvalds .fh = NFS_FH(dir), 308912678dbSTrond Myklebust .name = dentry->d_name, 3091da177e4SLinus Torvalds }; 3101da177e4SLinus Torvalds struct rpc_message msg = { 3111da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_REMOVE], 3121da177e4SLinus Torvalds .rpc_argp = &arg, 3131da177e4SLinus Torvalds }; 3141da177e4SLinus Torvalds int status; 3151da177e4SLinus Torvalds 316912678dbSTrond Myklebust dprintk("NFS call remove %pd2\n",dentry); 3171da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 318decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 3211da177e4SLinus Torvalds return status; 3221da177e4SLinus Torvalds } 3231da177e4SLinus Torvalds 324e4eff1a6STrond Myklebust static void 325ed7e9ad0STrond Myklebust nfs_proc_unlink_setup(struct rpc_message *msg, 326ed7e9ad0STrond Myklebust struct dentry *dentry, 327ed7e9ad0STrond Myklebust struct inode *inode) 3281da177e4SLinus Torvalds { 3291da177e4SLinus Torvalds msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE]; 3301da177e4SLinus Torvalds } 3311da177e4SLinus Torvalds 33234e137ccSBryan Schumaker static void nfs_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 33334e137ccSBryan Schumaker { 33434e137ccSBryan Schumaker rpc_call_start(task); 33534e137ccSBryan Schumaker } 33634e137ccSBryan Schumaker 337e4eff1a6STrond Myklebust static int nfs_proc_unlink_done(struct rpc_task *task, struct inode *dir) 3381da177e4SLinus Torvalds { 339e4eff1a6STrond Myklebust nfs_mark_for_revalidate(dir); 340e4eff1a6STrond Myklebust return 1; 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds 343d3d4152aSJeff Layton static void 344f2c2c552STrond Myklebust nfs_proc_rename_setup(struct rpc_message *msg, 345f2c2c552STrond Myklebust struct dentry *old_dentry, 346f2c2c552STrond Myklebust struct dentry *new_dentry) 347d3d4152aSJeff Layton { 348d3d4152aSJeff Layton msg->rpc_proc = &nfs_procedures[NFSPROC_RENAME]; 349d3d4152aSJeff Layton } 350d3d4152aSJeff Layton 351c6bfa1a1SBryan Schumaker static void nfs_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 352c6bfa1a1SBryan Schumaker { 353c6bfa1a1SBryan Schumaker rpc_call_start(task); 354c6bfa1a1SBryan Schumaker } 355c6bfa1a1SBryan Schumaker 356d3d4152aSJeff Layton static int 357d3d4152aSJeff Layton nfs_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 358d3d4152aSJeff Layton struct inode *new_dir) 359d3d4152aSJeff Layton { 360d3d4152aSJeff Layton nfs_mark_for_revalidate(old_dir); 361d3d4152aSJeff Layton nfs_mark_for_revalidate(new_dir); 362d3d4152aSJeff Layton return 1; 363d3d4152aSJeff Layton } 364d3d4152aSJeff Layton 3651da177e4SLinus Torvalds static int 366beffb8feSAl Viro nfs_proc_link(struct inode *inode, struct inode *dir, const struct qstr *name) 3671da177e4SLinus Torvalds { 3681da177e4SLinus Torvalds struct nfs_linkargs arg = { 3691da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 3701da177e4SLinus Torvalds .tofh = NFS_FH(dir), 3711da177e4SLinus Torvalds .toname = name->name, 3721da177e4SLinus Torvalds .tolen = name->len 3731da177e4SLinus Torvalds }; 374dead28daSChuck Lever struct rpc_message msg = { 375dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LINK], 376dead28daSChuck Lever .rpc_argp = &arg, 377dead28daSChuck Lever }; 3781da177e4SLinus Torvalds int status; 3791da177e4SLinus Torvalds 3801da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 381dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 3825ba7cc48STrond Myklebust nfs_mark_for_revalidate(inode); 383decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3841da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 3851da177e4SLinus Torvalds return status; 3861da177e4SLinus Torvalds } 3871da177e4SLinus Torvalds 3881da177e4SLinus Torvalds static int 38994a6d753SChuck Lever nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 39094a6d753SChuck Lever unsigned int len, struct iattr *sattr) 3911da177e4SLinus Torvalds { 39223a30612STrond Myklebust struct nfs_fh *fh; 39323a30612STrond Myklebust struct nfs_fattr *fattr; 3941da177e4SLinus Torvalds struct nfs_symlinkargs arg = { 3951da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 3964f390c15SChuck Lever .fromname = dentry->d_name.name, 3974f390c15SChuck Lever .fromlen = dentry->d_name.len, 39894a6d753SChuck Lever .pages = &page, 39994a6d753SChuck Lever .pathlen = len, 4001da177e4SLinus Torvalds .sattr = sattr 4011da177e4SLinus Torvalds }; 402dead28daSChuck Lever struct rpc_message msg = { 403dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK], 404dead28daSChuck Lever .rpc_argp = &arg, 405dead28daSChuck Lever }; 40623a30612STrond Myklebust int status = -ENAMETOOLONG; 4074f390c15SChuck Lever 4086de1472fSAl Viro dprintk("NFS call symlink %pd\n", dentry); 40994a6d753SChuck Lever 41023a30612STrond Myklebust if (len > NFS2_MAXPATHLEN) 41123a30612STrond Myklebust goto out; 41223a30612STrond Myklebust 41323a30612STrond Myklebust fh = nfs_alloc_fhandle(); 41423a30612STrond Myklebust fattr = nfs_alloc_fattr(); 41523a30612STrond Myklebust status = -ENOMEM; 41623a30612STrond Myklebust if (fh == NULL || fattr == NULL) 417878215feSJesper Juhl goto out_free; 41823a30612STrond Myklebust 419dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 420decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4214f390c15SChuck Lever 4224f390c15SChuck Lever /* 4234f390c15SChuck Lever * V2 SYMLINK requests don't return any attributes. Setting the 4244f390c15SChuck Lever * filehandle size to zero indicates to nfs_instantiate that it 4254f390c15SChuck Lever * should fill in the data with a LOOKUP call on the wire. 4264f390c15SChuck Lever */ 42723a30612STrond Myklebust if (status == 0) 4281775fd3eSDavid Quigley status = nfs_instantiate(dentry, fh, fattr, NULL); 4294f390c15SChuck Lever 430878215feSJesper Juhl out_free: 43123a30612STrond Myklebust nfs_free_fattr(fattr); 43223a30612STrond Myklebust nfs_free_fhandle(fh); 43323a30612STrond Myklebust out: 4341da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 4351da177e4SLinus Torvalds return status; 4361da177e4SLinus Torvalds } 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds static int 4391da177e4SLinus Torvalds nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 4401da177e4SLinus Torvalds { 441eb872f0cSTrond Myklebust struct nfs_createdata *data; 442dead28daSChuck Lever struct rpc_message msg = { 443dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], 444dead28daSChuck Lever }; 445eb872f0cSTrond Myklebust int status = -ENOMEM; 4461da177e4SLinus Torvalds 4476de1472fSAl Viro dprintk("NFS call mkdir %pd\n", dentry); 448eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 449eb872f0cSTrond Myklebust if (data == NULL) 450eb872f0cSTrond Myklebust goto out; 451eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 452eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 453eb872f0cSTrond Myklebust 454dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 455decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4561da177e4SLinus Torvalds if (status == 0) 4571775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 458eb872f0cSTrond Myklebust nfs_free_createdata(data); 459eb872f0cSTrond Myklebust out: 4601da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 4611da177e4SLinus Torvalds return status; 4621da177e4SLinus Torvalds } 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds static int 465beffb8feSAl Viro nfs_proc_rmdir(struct inode *dir, const struct qstr *name) 4661da177e4SLinus Torvalds { 4671da177e4SLinus Torvalds struct nfs_diropargs arg = { 4681da177e4SLinus Torvalds .fh = NFS_FH(dir), 4691da177e4SLinus Torvalds .name = name->name, 4701da177e4SLinus Torvalds .len = name->len 4711da177e4SLinus Torvalds }; 472dead28daSChuck Lever struct rpc_message msg = { 473dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_RMDIR], 474dead28daSChuck Lever .rpc_argp = &arg, 475dead28daSChuck Lever }; 4761da177e4SLinus Torvalds int status; 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 479dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 480decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4811da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 4821da177e4SLinus Torvalds return status; 4831da177e4SLinus Torvalds } 4841da177e4SLinus Torvalds 4851da177e4SLinus Torvalds /* 4861da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass a temporary 4871da177e4SLinus Torvalds * buffer to the encode function, which installs it in the receive 4881da177e4SLinus Torvalds * the receive iovec. The decode function just parses the reply to make 4891da177e4SLinus Torvalds * sure it is syntactically correct; the entries itself are decoded 4901da177e4SLinus Torvalds * from nfs_readdir by calling the decode_entry function directly. 4911da177e4SLinus Torvalds */ 4921da177e4SLinus Torvalds static int 493684f39b4SNeilBrown nfs_proc_readdir(struct dentry *dentry, const struct cred *cred, 494a7a3b1e9SBenjamin Coddington u64 cookie, struct page **pages, unsigned int count, bool plus) 4951da177e4SLinus Torvalds { 4962b0143b5SDavid Howells struct inode *dir = d_inode(dentry); 4971da177e4SLinus Torvalds struct nfs_readdirargs arg = { 4981da177e4SLinus Torvalds .fh = NFS_FH(dir), 4991da177e4SLinus Torvalds .cookie = cookie, 5001da177e4SLinus Torvalds .count = count, 50156e4ebf8SBryan Schumaker .pages = pages, 5021da177e4SLinus Torvalds }; 5031da177e4SLinus Torvalds struct rpc_message msg = { 5041da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_READDIR], 5051da177e4SLinus Torvalds .rpc_argp = &arg, 506a52458b4SNeilBrown .rpc_cred = cred, 5071da177e4SLinus Torvalds }; 5081da177e4SLinus Torvalds int status; 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds dprintk("NFS call readdir %d\n", (unsigned int)cookie); 5111da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 5121da177e4SLinus Torvalds 513c4812998STrond Myklebust nfs_invalidate_atime(dir); 514c4812998STrond Myklebust 5151da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 5161da177e4SLinus Torvalds return status; 5171da177e4SLinus Torvalds } 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds static int 5201da177e4SLinus Torvalds nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 5211da177e4SLinus Torvalds struct nfs_fsstat *stat) 5221da177e4SLinus Torvalds { 5231da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 524dead28daSChuck Lever struct rpc_message msg = { 525dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 526dead28daSChuck Lever .rpc_argp = fhandle, 527dead28daSChuck Lever .rpc_resp = &fsinfo, 528dead28daSChuck Lever }; 5291da177e4SLinus Torvalds int status; 5301da177e4SLinus Torvalds 5311da177e4SLinus Torvalds dprintk("NFS call statfs\n"); 5320e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 533dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5341da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 5351da177e4SLinus Torvalds if (status) 5361da177e4SLinus Torvalds goto out; 5371da177e4SLinus Torvalds stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize; 5381da177e4SLinus Torvalds stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize; 5391da177e4SLinus Torvalds stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize; 5401da177e4SLinus Torvalds stat->tfiles = 0; 5411da177e4SLinus Torvalds stat->ffiles = 0; 5421da177e4SLinus Torvalds stat->afiles = 0; 5431da177e4SLinus Torvalds out: 5441da177e4SLinus Torvalds return status; 5451da177e4SLinus Torvalds } 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds static int 5481da177e4SLinus Torvalds nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 5491da177e4SLinus Torvalds struct nfs_fsinfo *info) 5501da177e4SLinus Torvalds { 5511da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 552dead28daSChuck Lever struct rpc_message msg = { 553dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 554dead28daSChuck Lever .rpc_argp = fhandle, 555dead28daSChuck Lever .rpc_resp = &fsinfo, 556dead28daSChuck Lever }; 5571da177e4SLinus Torvalds int status; 5581da177e4SLinus Torvalds 5591da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 5600e574af1STrond Myklebust nfs_fattr_init(info->fattr); 561dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5621da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 5631da177e4SLinus Torvalds if (status) 5641da177e4SLinus Torvalds goto out; 5651da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 5661da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 5671da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 5681da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 5691da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 5701da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 5711da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 5721da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 5731da177e4SLinus Torvalds info->lease_time = 0; 5741da177e4SLinus Torvalds out: 5751da177e4SLinus Torvalds return status; 5761da177e4SLinus Torvalds } 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds static int 5791da177e4SLinus Torvalds nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 5801da177e4SLinus Torvalds struct nfs_pathconf *info) 5811da177e4SLinus Torvalds { 5821da177e4SLinus Torvalds info->max_link = 0; 5831da177e4SLinus Torvalds info->max_namelen = NFS2_MAXNAMLEN; 5841da177e4SLinus Torvalds return 0; 5851da177e4SLinus Torvalds } 5861da177e4SLinus Torvalds 587d45f60c6SWeston Andros Adamson static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 5881da177e4SLinus Torvalds { 589d45f60c6SWeston Andros Adamson struct inode *inode = hdr->inode; 590cd841605SFred Isaman 591cd841605SFred Isaman nfs_invalidate_atime(inode); 5921da177e4SLinus Torvalds if (task->tk_status >= 0) { 593d45f60c6SWeston Andros Adamson nfs_refresh_inode(inode, hdr->res.fattr); 5941da177e4SLinus Torvalds /* Emulate the eof flag, which isn't normally needed in NFSv2 5951da177e4SLinus Torvalds * as it is guaranteed to always return the file attributes 5961da177e4SLinus Torvalds */ 597d45f60c6SWeston Andros Adamson if (hdr->args.offset + hdr->res.count >= hdr->res.fattr->size) 598d45f60c6SWeston Andros Adamson hdr->res.eof = 1; 5991da177e4SLinus Torvalds } 600ec06c096STrond Myklebust return 0; 6011da177e4SLinus Torvalds } 6021da177e4SLinus Torvalds 603d45f60c6SWeston Andros Adamson static void nfs_proc_read_setup(struct nfs_pgio_header *hdr, 604d45f60c6SWeston Andros Adamson struct rpc_message *msg) 6051da177e4SLinus Torvalds { 606bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_READ]; 6071da177e4SLinus Torvalds } 6081da177e4SLinus Torvalds 609d45f60c6SWeston Andros Adamson static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task, 610d45f60c6SWeston Andros Adamson struct nfs_pgio_header *hdr) 611ea7c3303SBryan Schumaker { 612ea7c3303SBryan Schumaker rpc_call_start(task); 613ef1820f9SNeilBrown return 0; 614ea7c3303SBryan Schumaker } 615ea7c3303SBryan Schumaker 616d45f60c6SWeston Andros Adamson static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 6171da177e4SLinus Torvalds { 6181da177e4SLinus Torvalds if (task->tk_status >= 0) 619a08a8cd3STrond Myklebust nfs_writeback_update_inode(hdr); 620788e7a89STrond Myklebust return 0; 6211da177e4SLinus Torvalds } 6221da177e4SLinus Torvalds 623d45f60c6SWeston Andros Adamson static void nfs_proc_write_setup(struct nfs_pgio_header *hdr, 624fb91fb0eSAnna Schumaker struct rpc_message *msg, 625fb91fb0eSAnna Schumaker struct rpc_clnt **clnt) 6261da177e4SLinus Torvalds { 6271da177e4SLinus Torvalds /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ 628d45f60c6SWeston Andros Adamson hdr->args.stable = NFS_FILE_SYNC; 629bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE]; 6301da177e4SLinus Torvalds } 6311da177e4SLinus Torvalds 6320b7c0153SFred Isaman static void nfs_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 6330b7c0153SFred Isaman { 6340b7c0153SFred Isaman BUG(); 6350b7c0153SFred Isaman } 6360b7c0153SFred Isaman 6371da177e4SLinus Torvalds static void 638e9ae1ee2SAnna Schumaker nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg, 639e9ae1ee2SAnna Schumaker struct rpc_clnt **clnt) 6401da177e4SLinus Torvalds { 6411da177e4SLinus Torvalds BUG(); 6421da177e4SLinus Torvalds } 6431da177e4SLinus Torvalds 6441da177e4SLinus Torvalds static int 6451da177e4SLinus Torvalds nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 6461da177e4SLinus Torvalds { 647496ad9aaSAl Viro struct inode *inode = file_inode(filp); 6481093a60eSChuck Lever 649b1ece737SBenjamin Coddington return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl, NULL); 6501da177e4SLinus Torvalds } 6511da177e4SLinus Torvalds 6522116271aSTrond Myklebust /* Helper functions for NFS lock bounds checking */ 6532116271aSTrond Myklebust #define NFS_LOCK32_OFFSET_MAX ((__s32)0x7fffffffUL) 6542116271aSTrond Myklebust static int nfs_lock_check_bounds(const struct file_lock *fl) 6552116271aSTrond Myklebust { 6562116271aSTrond Myklebust __s32 start, end; 6572116271aSTrond Myklebust 6582116271aSTrond Myklebust start = (__s32)fl->fl_start; 6592116271aSTrond Myklebust if ((loff_t)start != fl->fl_start) 6602116271aSTrond Myklebust goto out_einval; 6612116271aSTrond Myklebust 6622116271aSTrond Myklebust if (fl->fl_end != OFFSET_MAX) { 6632116271aSTrond Myklebust end = (__s32)fl->fl_end; 6642116271aSTrond Myklebust if ((loff_t)end != fl->fl_end) 6652116271aSTrond Myklebust goto out_einval; 6662116271aSTrond Myklebust } else 6672116271aSTrond Myklebust end = NFS_LOCK32_OFFSET_MAX; 6682116271aSTrond Myklebust 6692116271aSTrond Myklebust if (start < 0 || start > end) 6702116271aSTrond Myklebust goto out_einval; 6712116271aSTrond Myklebust return 0; 6722116271aSTrond Myklebust out_einval: 6732116271aSTrond Myklebust return -EINVAL; 6742116271aSTrond Myklebust } 6751da177e4SLinus Torvalds 676011e2a7fSBryan Schumaker static int nfs_have_delegation(struct inode *inode, fmode_t flags) 677011e2a7fSBryan Schumaker { 678011e2a7fSBryan Schumaker return 0; 679011e2a7fSBryan Schumaker } 680011e2a7fSBryan Schumaker 681597d9289SBryan Schumaker static const struct inode_operations nfs_dir_inode_operations = { 682597d9289SBryan Schumaker .create = nfs_create, 683597d9289SBryan Schumaker .lookup = nfs_lookup, 684597d9289SBryan Schumaker .link = nfs_link, 685597d9289SBryan Schumaker .unlink = nfs_unlink, 686597d9289SBryan Schumaker .symlink = nfs_symlink, 687597d9289SBryan Schumaker .mkdir = nfs_mkdir, 688597d9289SBryan Schumaker .rmdir = nfs_rmdir, 689597d9289SBryan Schumaker .mknod = nfs_mknod, 690597d9289SBryan Schumaker .rename = nfs_rename, 691597d9289SBryan Schumaker .permission = nfs_permission, 692597d9289SBryan Schumaker .getattr = nfs_getattr, 693597d9289SBryan Schumaker .setattr = nfs_setattr, 694597d9289SBryan Schumaker }; 695597d9289SBryan Schumaker 696597d9289SBryan Schumaker static const struct inode_operations nfs_file_inode_operations = { 697597d9289SBryan Schumaker .permission = nfs_permission, 698597d9289SBryan Schumaker .getattr = nfs_getattr, 699597d9289SBryan Schumaker .setattr = nfs_setattr, 700597d9289SBryan Schumaker }; 701597d9289SBryan Schumaker 702509de811SDavid Howells const struct nfs_rpc_ops nfs_v2_clientops = { 7031da177e4SLinus Torvalds .version = 2, /* protocol version */ 7041da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 7051da177e4SLinus Torvalds .dir_inode_ops = &nfs_dir_inode_operations, 70692cfc62cSJ. Bruce Fields .file_inode_ops = &nfs_file_inode_operations, 7071788ea6eSJeff Layton .file_ops = &nfs_file_operations, 7081da177e4SLinus Torvalds .getroot = nfs_proc_get_root, 709281cad46SBryan Schumaker .submount = nfs_submount, 710ff9099f2SBryan Schumaker .try_mount = nfs_try_mount, 7111da177e4SLinus Torvalds .getattr = nfs_proc_getattr, 7121da177e4SLinus Torvalds .setattr = nfs_proc_setattr, 7131da177e4SLinus Torvalds .lookup = nfs_proc_lookup, 7141da177e4SLinus Torvalds .access = NULL, /* access */ 7151da177e4SLinus Torvalds .readlink = nfs_proc_readlink, 7161da177e4SLinus Torvalds .create = nfs_proc_create, 7171da177e4SLinus Torvalds .remove = nfs_proc_remove, 7181da177e4SLinus Torvalds .unlink_setup = nfs_proc_unlink_setup, 71934e137ccSBryan Schumaker .unlink_rpc_prepare = nfs_proc_unlink_rpc_prepare, 7201da177e4SLinus Torvalds .unlink_done = nfs_proc_unlink_done, 721d3d4152aSJeff Layton .rename_setup = nfs_proc_rename_setup, 722c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs_proc_rename_rpc_prepare, 723d3d4152aSJeff Layton .rename_done = nfs_proc_rename_done, 7241da177e4SLinus Torvalds .link = nfs_proc_link, 7251da177e4SLinus Torvalds .symlink = nfs_proc_symlink, 7261da177e4SLinus Torvalds .mkdir = nfs_proc_mkdir, 7271da177e4SLinus Torvalds .rmdir = nfs_proc_rmdir, 7281da177e4SLinus Torvalds .readdir = nfs_proc_readdir, 7291da177e4SLinus Torvalds .mknod = nfs_proc_mknod, 7301da177e4SLinus Torvalds .statfs = nfs_proc_statfs, 7311da177e4SLinus Torvalds .fsinfo = nfs_proc_fsinfo, 7321da177e4SLinus Torvalds .pathconf = nfs_proc_pathconf, 733f796f8b3SChuck Lever .decode_dirent = nfs2_decode_dirent, 734a4cdda59SAnna Schumaker .pgio_rpc_prepare = nfs_proc_pgio_rpc_prepare, 7351da177e4SLinus Torvalds .read_setup = nfs_proc_read_setup, 736ec06c096STrond Myklebust .read_done = nfs_read_done, 7371da177e4SLinus Torvalds .write_setup = nfs_proc_write_setup, 738788e7a89STrond Myklebust .write_done = nfs_write_done, 7391da177e4SLinus Torvalds .commit_setup = nfs_proc_commit_setup, 7400b7c0153SFred Isaman .commit_rpc_prepare = nfs_proc_commit_rpc_prepare, 7411da177e4SLinus Torvalds .lock = nfs_proc_lock, 7422116271aSTrond Myklebust .lock_check_bounds = nfs_lock_check_bounds, 7437fe5c398STrond Myklebust .close_context = nfs_close_context, 744011e2a7fSBryan Schumaker .have_delegation = nfs_have_delegation, 7456663ee7fSBryan Schumaker .alloc_client = nfs_alloc_client, 74645a52a02SAndy Adamson .init_client = nfs_init_client, 747cdb7ecedSBryan Schumaker .free_client = nfs_free_client, 7481179acc6SBryan Schumaker .create_server = nfs_create_server, 7491179acc6SBryan Schumaker .clone_server = nfs_clone_server, 7501da177e4SLinus Torvalds }; 751