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; 111c74dfe97STrond Myklebust unsigned short task_flags = 0; 112c74dfe97STrond Myklebust 113c74dfe97STrond Myklebust /* Is this is an attribute revalidation, subject to softreval? */ 114c74dfe97STrond Myklebust if (inode && (server->flags & NFS_MOUNT_SOFTREVAL)) 115c74dfe97STrond Myklebust task_flags |= RPC_TASK_TIMEOUT; 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1180e574af1STrond Myklebust nfs_fattr_init(fattr); 119c74dfe97STrond Myklebust status = rpc_call_sync(server->client, &msg, task_flags); 1201da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1211da177e4SLinus Torvalds return status; 1221da177e4SLinus Torvalds } 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvalds static int 1251da177e4SLinus Torvalds nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1261da177e4SLinus Torvalds struct iattr *sattr) 1271da177e4SLinus Torvalds { 1282b0143b5SDavid Howells struct inode *inode = d_inode(dentry); 1291da177e4SLinus Torvalds struct nfs_sattrargs arg = { 1301da177e4SLinus Torvalds .fh = NFS_FH(inode), 1311da177e4SLinus Torvalds .sattr = sattr 1321da177e4SLinus Torvalds }; 133dead28daSChuck Lever struct rpc_message msg = { 134dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SETATTR], 135dead28daSChuck Lever .rpc_argp = &arg, 136dead28daSChuck Lever .rpc_resp = fattr, 137dead28daSChuck Lever }; 1381da177e4SLinus Torvalds int status; 1391da177e4SLinus Torvalds 140cf3fff54STrond Myklebust /* Mask out the non-modebit related stuff from attr->ia_mode */ 141cf3fff54STrond Myklebust sattr->ia_mode &= S_IALLUGO; 142cf3fff54STrond Myklebust 1431da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 144659bfcd6STrond Myklebust if (sattr->ia_valid & ATTR_FILE) 145659bfcd6STrond Myklebust msg.rpc_cred = nfs_file_cred(sattr->ia_file); 1460e574af1STrond Myklebust nfs_fattr_init(fattr); 147dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 14865e4308dSTrond Myklebust if (status == 0) 149f044636dSTrond Myklebust nfs_setattr_update_inode(inode, sattr, fattr); 1501da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1511da177e4SLinus Torvalds return status; 1521da177e4SLinus Torvalds } 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvalds static int 155beffb8feSAl Viro nfs_proc_lookup(struct inode *dir, const struct qstr *name, 1561775fd3eSDavid Quigley struct nfs_fh *fhandle, struct nfs_fattr *fattr, 1571775fd3eSDavid Quigley struct nfs4_label *label) 1581da177e4SLinus Torvalds { 1591da177e4SLinus Torvalds struct nfs_diropargs arg = { 1601da177e4SLinus Torvalds .fh = NFS_FH(dir), 1611da177e4SLinus Torvalds .name = name->name, 1621da177e4SLinus Torvalds .len = name->len 1631da177e4SLinus Torvalds }; 1641da177e4SLinus Torvalds struct nfs_diropok res = { 1651da177e4SLinus Torvalds .fh = fhandle, 1661da177e4SLinus Torvalds .fattr = fattr 1671da177e4SLinus Torvalds }; 168dead28daSChuck Lever struct rpc_message msg = { 169dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP], 170dead28daSChuck Lever .rpc_argp = &arg, 171dead28daSChuck Lever .rpc_resp = &res, 172dead28daSChuck Lever }; 1731da177e4SLinus Torvalds int status; 1741da177e4SLinus Torvalds 1751da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 1760e574af1STrond Myklebust nfs_fattr_init(fattr); 177dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1781da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1791da177e4SLinus Torvalds return status; 1801da177e4SLinus Torvalds } 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds static int nfs_proc_readlink(struct inode *inode, struct page *page, 1831da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 1841da177e4SLinus Torvalds { 1851da177e4SLinus Torvalds struct nfs_readlinkargs args = { 1861da177e4SLinus Torvalds .fh = NFS_FH(inode), 1871da177e4SLinus Torvalds .pgbase = pgbase, 1881da177e4SLinus Torvalds .pglen = pglen, 1891da177e4SLinus Torvalds .pages = &page 1901da177e4SLinus Torvalds }; 191dead28daSChuck Lever struct rpc_message msg = { 192dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_READLINK], 193dead28daSChuck Lever .rpc_argp = &args, 194dead28daSChuck Lever }; 1951da177e4SLinus Torvalds int status; 1961da177e4SLinus Torvalds 1971da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 198dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 1991da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2001da177e4SLinus Torvalds return status; 2011da177e4SLinus Torvalds } 2021da177e4SLinus Torvalds 203eb872f0cSTrond Myklebust struct nfs_createdata { 204eb872f0cSTrond Myklebust struct nfs_createargs arg; 205eb872f0cSTrond Myklebust struct nfs_diropok res; 206eb872f0cSTrond Myklebust struct nfs_fh fhandle; 207eb872f0cSTrond Myklebust struct nfs_fattr fattr; 208eb872f0cSTrond Myklebust }; 209eb872f0cSTrond Myklebust 210eb872f0cSTrond Myklebust static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir, 211eb872f0cSTrond Myklebust struct dentry *dentry, struct iattr *sattr) 212eb872f0cSTrond Myklebust { 213eb872f0cSTrond Myklebust struct nfs_createdata *data; 214eb872f0cSTrond Myklebust 215eb872f0cSTrond Myklebust data = kmalloc(sizeof(*data), GFP_KERNEL); 216eb872f0cSTrond Myklebust 217eb872f0cSTrond Myklebust if (data != NULL) { 218eb872f0cSTrond Myklebust data->arg.fh = NFS_FH(dir); 219eb872f0cSTrond Myklebust data->arg.name = dentry->d_name.name; 220eb872f0cSTrond Myklebust data->arg.len = dentry->d_name.len; 221eb872f0cSTrond Myklebust data->arg.sattr = sattr; 222eb872f0cSTrond Myklebust nfs_fattr_init(&data->fattr); 223eb872f0cSTrond Myklebust data->fhandle.size = 0; 224eb872f0cSTrond Myklebust data->res.fh = &data->fhandle; 225eb872f0cSTrond Myklebust data->res.fattr = &data->fattr; 226eb872f0cSTrond Myklebust } 227eb872f0cSTrond Myklebust return data; 228eb872f0cSTrond Myklebust }; 229eb872f0cSTrond Myklebust 230eb872f0cSTrond Myklebust static void nfs_free_createdata(const struct nfs_createdata *data) 231eb872f0cSTrond Myklebust { 232eb872f0cSTrond Myklebust kfree(data); 233eb872f0cSTrond Myklebust } 234eb872f0cSTrond Myklebust 2351da177e4SLinus Torvalds static int 2361da177e4SLinus Torvalds nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2378867fe58SMiklos Szeredi int flags) 2381da177e4SLinus Torvalds { 239eb872f0cSTrond Myklebust struct nfs_createdata *data; 240dead28daSChuck Lever struct rpc_message msg = { 241dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 242dead28daSChuck Lever }; 243eb872f0cSTrond Myklebust int status = -ENOMEM; 2441da177e4SLinus Torvalds 2456de1472fSAl Viro dprintk("NFS call create %pd\n", dentry); 246eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 247eb872f0cSTrond Myklebust if (data == NULL) 248eb872f0cSTrond Myklebust goto out; 249eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 250eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 251dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 252bad2a524STrond Myklebust nfs_mark_for_revalidate(dir); 2531da177e4SLinus Torvalds if (status == 0) 2541775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 255eb872f0cSTrond Myklebust nfs_free_createdata(data); 256eb872f0cSTrond Myklebust out: 2571da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 2581da177e4SLinus Torvalds return status; 2591da177e4SLinus Torvalds } 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds /* 2621da177e4SLinus Torvalds * In NFSv2, mknod is grafted onto the create call. 2631da177e4SLinus Torvalds */ 2641da177e4SLinus Torvalds static int 2651da177e4SLinus Torvalds nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2661da177e4SLinus Torvalds dev_t rdev) 2671da177e4SLinus Torvalds { 268eb872f0cSTrond Myklebust struct nfs_createdata *data; 269dead28daSChuck Lever struct rpc_message msg = { 270dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 271dead28daSChuck Lever }; 272eb872f0cSTrond Myklebust umode_t mode; 273eb872f0cSTrond Myklebust int status = -ENOMEM; 2741da177e4SLinus Torvalds 2756de1472fSAl Viro dprintk("NFS call mknod %pd\n", dentry); 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds mode = sattr->ia_mode; 2781da177e4SLinus Torvalds if (S_ISFIFO(mode)) { 2791da177e4SLinus Torvalds sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR; 2801da177e4SLinus Torvalds sattr->ia_valid &= ~ATTR_SIZE; 2811da177e4SLinus Torvalds } else if (S_ISCHR(mode) || S_ISBLK(mode)) { 2821da177e4SLinus Torvalds sattr->ia_valid |= ATTR_SIZE; 2831da177e4SLinus Torvalds sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 2841da177e4SLinus Torvalds } 2851da177e4SLinus Torvalds 286eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 287eb872f0cSTrond Myklebust if (data == NULL) 288eb872f0cSTrond Myklebust goto out; 289eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 290eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 291eb872f0cSTrond Myklebust 292dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 293decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 2941da177e4SLinus Torvalds 2951da177e4SLinus Torvalds if (status == -EINVAL && S_ISFIFO(mode)) { 2961da177e4SLinus Torvalds sattr->ia_mode = mode; 297eb872f0cSTrond Myklebust nfs_fattr_init(data->res.fattr); 298dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 2991da177e4SLinus Torvalds } 3001da177e4SLinus Torvalds if (status == 0) 3011775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 302eb872f0cSTrond Myklebust nfs_free_createdata(data); 303eb872f0cSTrond Myklebust out: 3041da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 3051da177e4SLinus Torvalds return status; 3061da177e4SLinus Torvalds } 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds static int 309912678dbSTrond Myklebust nfs_proc_remove(struct inode *dir, struct dentry *dentry) 3101da177e4SLinus Torvalds { 3114fdc17b2STrond Myklebust struct nfs_removeargs arg = { 3121da177e4SLinus Torvalds .fh = NFS_FH(dir), 313912678dbSTrond Myklebust .name = dentry->d_name, 3141da177e4SLinus Torvalds }; 3151da177e4SLinus Torvalds struct rpc_message msg = { 3161da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_REMOVE], 3171da177e4SLinus Torvalds .rpc_argp = &arg, 3181da177e4SLinus Torvalds }; 3191da177e4SLinus Torvalds int status; 3201da177e4SLinus Torvalds 321912678dbSTrond Myklebust dprintk("NFS call remove %pd2\n",dentry); 3221da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 323decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3241da177e4SLinus Torvalds 3251da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 3261da177e4SLinus Torvalds return status; 3271da177e4SLinus Torvalds } 3281da177e4SLinus Torvalds 329e4eff1a6STrond Myklebust static void 330ed7e9ad0STrond Myklebust nfs_proc_unlink_setup(struct rpc_message *msg, 331ed7e9ad0STrond Myklebust struct dentry *dentry, 332ed7e9ad0STrond Myklebust struct inode *inode) 3331da177e4SLinus Torvalds { 3341da177e4SLinus Torvalds msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE]; 3351da177e4SLinus Torvalds } 3361da177e4SLinus Torvalds 33734e137ccSBryan Schumaker static void nfs_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 33834e137ccSBryan Schumaker { 33934e137ccSBryan Schumaker rpc_call_start(task); 34034e137ccSBryan Schumaker } 34134e137ccSBryan Schumaker 342e4eff1a6STrond Myklebust static int nfs_proc_unlink_done(struct rpc_task *task, struct inode *dir) 3431da177e4SLinus Torvalds { 344e4eff1a6STrond Myklebust nfs_mark_for_revalidate(dir); 345e4eff1a6STrond Myklebust return 1; 3461da177e4SLinus Torvalds } 3471da177e4SLinus Torvalds 348d3d4152aSJeff Layton static void 349f2c2c552STrond Myklebust nfs_proc_rename_setup(struct rpc_message *msg, 350f2c2c552STrond Myklebust struct dentry *old_dentry, 351f2c2c552STrond Myklebust struct dentry *new_dentry) 352d3d4152aSJeff Layton { 353d3d4152aSJeff Layton msg->rpc_proc = &nfs_procedures[NFSPROC_RENAME]; 354d3d4152aSJeff Layton } 355d3d4152aSJeff Layton 356c6bfa1a1SBryan Schumaker static void nfs_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 357c6bfa1a1SBryan Schumaker { 358c6bfa1a1SBryan Schumaker rpc_call_start(task); 359c6bfa1a1SBryan Schumaker } 360c6bfa1a1SBryan Schumaker 361d3d4152aSJeff Layton static int 362d3d4152aSJeff Layton nfs_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 363d3d4152aSJeff Layton struct inode *new_dir) 364d3d4152aSJeff Layton { 365d3d4152aSJeff Layton nfs_mark_for_revalidate(old_dir); 366d3d4152aSJeff Layton nfs_mark_for_revalidate(new_dir); 367d3d4152aSJeff Layton return 1; 368d3d4152aSJeff Layton } 369d3d4152aSJeff Layton 3701da177e4SLinus Torvalds static int 371beffb8feSAl Viro nfs_proc_link(struct inode *inode, struct inode *dir, const struct qstr *name) 3721da177e4SLinus Torvalds { 3731da177e4SLinus Torvalds struct nfs_linkargs arg = { 3741da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 3751da177e4SLinus Torvalds .tofh = NFS_FH(dir), 3761da177e4SLinus Torvalds .toname = name->name, 3771da177e4SLinus Torvalds .tolen = name->len 3781da177e4SLinus Torvalds }; 379dead28daSChuck Lever struct rpc_message msg = { 380dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LINK], 381dead28daSChuck Lever .rpc_argp = &arg, 382dead28daSChuck Lever }; 3831da177e4SLinus Torvalds int status; 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 386dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 3875ba7cc48STrond Myklebust nfs_mark_for_revalidate(inode); 388decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3891da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 3901da177e4SLinus Torvalds return status; 3911da177e4SLinus Torvalds } 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds static int 39494a6d753SChuck Lever nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 39594a6d753SChuck Lever unsigned int len, struct iattr *sattr) 3961da177e4SLinus Torvalds { 39723a30612STrond Myklebust struct nfs_fh *fh; 39823a30612STrond Myklebust struct nfs_fattr *fattr; 3991da177e4SLinus Torvalds struct nfs_symlinkargs arg = { 4001da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 4014f390c15SChuck Lever .fromname = dentry->d_name.name, 4024f390c15SChuck Lever .fromlen = dentry->d_name.len, 40394a6d753SChuck Lever .pages = &page, 40494a6d753SChuck Lever .pathlen = len, 4051da177e4SLinus Torvalds .sattr = sattr 4061da177e4SLinus Torvalds }; 407dead28daSChuck Lever struct rpc_message msg = { 408dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK], 409dead28daSChuck Lever .rpc_argp = &arg, 410dead28daSChuck Lever }; 41123a30612STrond Myklebust int status = -ENAMETOOLONG; 4124f390c15SChuck Lever 4136de1472fSAl Viro dprintk("NFS call symlink %pd\n", dentry); 41494a6d753SChuck Lever 41523a30612STrond Myklebust if (len > NFS2_MAXPATHLEN) 41623a30612STrond Myklebust goto out; 41723a30612STrond Myklebust 41823a30612STrond Myklebust fh = nfs_alloc_fhandle(); 41923a30612STrond Myklebust fattr = nfs_alloc_fattr(); 42023a30612STrond Myklebust status = -ENOMEM; 42123a30612STrond Myklebust if (fh == NULL || fattr == NULL) 422878215feSJesper Juhl goto out_free; 42323a30612STrond Myklebust 424dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 425decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4264f390c15SChuck Lever 4274f390c15SChuck Lever /* 4284f390c15SChuck Lever * V2 SYMLINK requests don't return any attributes. Setting the 4294f390c15SChuck Lever * filehandle size to zero indicates to nfs_instantiate that it 4304f390c15SChuck Lever * should fill in the data with a LOOKUP call on the wire. 4314f390c15SChuck Lever */ 43223a30612STrond Myklebust if (status == 0) 4331775fd3eSDavid Quigley status = nfs_instantiate(dentry, fh, fattr, NULL); 4344f390c15SChuck Lever 435878215feSJesper Juhl out_free: 43623a30612STrond Myklebust nfs_free_fattr(fattr); 43723a30612STrond Myklebust nfs_free_fhandle(fh); 43823a30612STrond Myklebust out: 4391da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 4401da177e4SLinus Torvalds return status; 4411da177e4SLinus Torvalds } 4421da177e4SLinus Torvalds 4431da177e4SLinus Torvalds static int 4441da177e4SLinus Torvalds nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 4451da177e4SLinus Torvalds { 446eb872f0cSTrond Myklebust struct nfs_createdata *data; 447dead28daSChuck Lever struct rpc_message msg = { 448dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], 449dead28daSChuck Lever }; 450eb872f0cSTrond Myklebust int status = -ENOMEM; 4511da177e4SLinus Torvalds 4526de1472fSAl Viro dprintk("NFS call mkdir %pd\n", dentry); 453eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 454eb872f0cSTrond Myklebust if (data == NULL) 455eb872f0cSTrond Myklebust goto out; 456eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 457eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 458eb872f0cSTrond Myklebust 459dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 460decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4611da177e4SLinus Torvalds if (status == 0) 4621775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 463eb872f0cSTrond Myklebust nfs_free_createdata(data); 464eb872f0cSTrond Myklebust out: 4651da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 4661da177e4SLinus Torvalds return status; 4671da177e4SLinus Torvalds } 4681da177e4SLinus Torvalds 4691da177e4SLinus Torvalds static int 470beffb8feSAl Viro nfs_proc_rmdir(struct inode *dir, const struct qstr *name) 4711da177e4SLinus Torvalds { 4721da177e4SLinus Torvalds struct nfs_diropargs arg = { 4731da177e4SLinus Torvalds .fh = NFS_FH(dir), 4741da177e4SLinus Torvalds .name = name->name, 4751da177e4SLinus Torvalds .len = name->len 4761da177e4SLinus Torvalds }; 477dead28daSChuck Lever struct rpc_message msg = { 478dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_RMDIR], 479dead28daSChuck Lever .rpc_argp = &arg, 480dead28daSChuck Lever }; 4811da177e4SLinus Torvalds int status; 4821da177e4SLinus Torvalds 4831da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 484dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 485decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4861da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 4871da177e4SLinus Torvalds return status; 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds /* 4911da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass a temporary 4921da177e4SLinus Torvalds * buffer to the encode function, which installs it in the receive 4931da177e4SLinus Torvalds * the receive iovec. The decode function just parses the reply to make 4941da177e4SLinus Torvalds * sure it is syntactically correct; the entries itself are decoded 4951da177e4SLinus Torvalds * from nfs_readdir by calling the decode_entry function directly. 4961da177e4SLinus Torvalds */ 4971da177e4SLinus Torvalds static int 498684f39b4SNeilBrown nfs_proc_readdir(struct dentry *dentry, const struct cred *cred, 499a7a3b1e9SBenjamin Coddington u64 cookie, struct page **pages, unsigned int count, bool plus) 5001da177e4SLinus Torvalds { 5012b0143b5SDavid Howells struct inode *dir = d_inode(dentry); 5021da177e4SLinus Torvalds struct nfs_readdirargs arg = { 5031da177e4SLinus Torvalds .fh = NFS_FH(dir), 5041da177e4SLinus Torvalds .cookie = cookie, 5051da177e4SLinus Torvalds .count = count, 50656e4ebf8SBryan Schumaker .pages = pages, 5071da177e4SLinus Torvalds }; 5081da177e4SLinus Torvalds struct rpc_message msg = { 5091da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_READDIR], 5101da177e4SLinus Torvalds .rpc_argp = &arg, 511a52458b4SNeilBrown .rpc_cred = cred, 5121da177e4SLinus Torvalds }; 5131da177e4SLinus Torvalds int status; 5141da177e4SLinus Torvalds 5151da177e4SLinus Torvalds dprintk("NFS call readdir %d\n", (unsigned int)cookie); 5161da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 5171da177e4SLinus Torvalds 518c4812998STrond Myklebust nfs_invalidate_atime(dir); 519c4812998STrond Myklebust 5201da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 5211da177e4SLinus Torvalds return status; 5221da177e4SLinus Torvalds } 5231da177e4SLinus Torvalds 5241da177e4SLinus Torvalds static int 5251da177e4SLinus Torvalds nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 5261da177e4SLinus Torvalds struct nfs_fsstat *stat) 5271da177e4SLinus Torvalds { 5281da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 529dead28daSChuck Lever struct rpc_message msg = { 530dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 531dead28daSChuck Lever .rpc_argp = fhandle, 532dead28daSChuck Lever .rpc_resp = &fsinfo, 533dead28daSChuck Lever }; 5341da177e4SLinus Torvalds int status; 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds dprintk("NFS call statfs\n"); 5370e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 538dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5391da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 5401da177e4SLinus Torvalds if (status) 5411da177e4SLinus Torvalds goto out; 5421da177e4SLinus Torvalds stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize; 5431da177e4SLinus Torvalds stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize; 5441da177e4SLinus Torvalds stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize; 5451da177e4SLinus Torvalds stat->tfiles = 0; 5461da177e4SLinus Torvalds stat->ffiles = 0; 5471da177e4SLinus Torvalds stat->afiles = 0; 5481da177e4SLinus Torvalds out: 5491da177e4SLinus Torvalds return status; 5501da177e4SLinus Torvalds } 5511da177e4SLinus Torvalds 5521da177e4SLinus Torvalds static int 5531da177e4SLinus Torvalds nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 5541da177e4SLinus Torvalds struct nfs_fsinfo *info) 5551da177e4SLinus Torvalds { 5561da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 557dead28daSChuck Lever struct rpc_message msg = { 558dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 559dead28daSChuck Lever .rpc_argp = fhandle, 560dead28daSChuck Lever .rpc_resp = &fsinfo, 561dead28daSChuck Lever }; 5621da177e4SLinus Torvalds int status; 5631da177e4SLinus Torvalds 5641da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 5650e574af1STrond Myklebust nfs_fattr_init(info->fattr); 566dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5671da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 5681da177e4SLinus Torvalds if (status) 5691da177e4SLinus Torvalds goto out; 5701da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 5711da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 5721da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 5731da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 5741da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 5751da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 5761da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 5771da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 5781da177e4SLinus Torvalds info->lease_time = 0; 5791da177e4SLinus Torvalds out: 5801da177e4SLinus Torvalds return status; 5811da177e4SLinus Torvalds } 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds static int 5841da177e4SLinus Torvalds nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 5851da177e4SLinus Torvalds struct nfs_pathconf *info) 5861da177e4SLinus Torvalds { 5871da177e4SLinus Torvalds info->max_link = 0; 5881da177e4SLinus Torvalds info->max_namelen = NFS2_MAXNAMLEN; 5891da177e4SLinus Torvalds return 0; 5901da177e4SLinus Torvalds } 5911da177e4SLinus Torvalds 592d45f60c6SWeston Andros Adamson static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 5931da177e4SLinus Torvalds { 594d45f60c6SWeston Andros Adamson struct inode *inode = hdr->inode; 595cd841605SFred Isaman 596cd841605SFred Isaman nfs_invalidate_atime(inode); 5971da177e4SLinus Torvalds if (task->tk_status >= 0) { 598d45f60c6SWeston Andros Adamson nfs_refresh_inode(inode, hdr->res.fattr); 5991da177e4SLinus Torvalds /* Emulate the eof flag, which isn't normally needed in NFSv2 6001da177e4SLinus Torvalds * as it is guaranteed to always return the file attributes 6011da177e4SLinus Torvalds */ 60271affe9bSTrond Myklebust if ((hdr->res.count == 0 && hdr->args.count > 0) || 60371affe9bSTrond Myklebust hdr->args.offset + hdr->res.count >= hdr->res.fattr->size) 604d45f60c6SWeston Andros Adamson hdr->res.eof = 1; 6051da177e4SLinus Torvalds } 606ec06c096STrond Myklebust return 0; 6071da177e4SLinus Torvalds } 6081da177e4SLinus Torvalds 609d45f60c6SWeston Andros Adamson static void nfs_proc_read_setup(struct nfs_pgio_header *hdr, 610d45f60c6SWeston Andros Adamson struct rpc_message *msg) 6111da177e4SLinus Torvalds { 612bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_READ]; 6131da177e4SLinus Torvalds } 6141da177e4SLinus Torvalds 615d45f60c6SWeston Andros Adamson static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task, 616d45f60c6SWeston Andros Adamson struct nfs_pgio_header *hdr) 617ea7c3303SBryan Schumaker { 618ea7c3303SBryan Schumaker rpc_call_start(task); 619ef1820f9SNeilBrown return 0; 620ea7c3303SBryan Schumaker } 621ea7c3303SBryan Schumaker 622d45f60c6SWeston Andros Adamson static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 6231da177e4SLinus Torvalds { 624d33d4bebSTrond Myklebust if (task->tk_status >= 0) { 625d33d4bebSTrond Myklebust hdr->res.count = hdr->args.count; 626a08a8cd3STrond Myklebust nfs_writeback_update_inode(hdr); 627d33d4bebSTrond Myklebust } 628788e7a89STrond Myklebust return 0; 6291da177e4SLinus Torvalds } 6301da177e4SLinus Torvalds 631d45f60c6SWeston Andros Adamson static void nfs_proc_write_setup(struct nfs_pgio_header *hdr, 632fb91fb0eSAnna Schumaker struct rpc_message *msg, 633fb91fb0eSAnna Schumaker struct rpc_clnt **clnt) 6341da177e4SLinus Torvalds { 6351da177e4SLinus Torvalds /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ 636d45f60c6SWeston Andros Adamson hdr->args.stable = NFS_FILE_SYNC; 637bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE]; 6381da177e4SLinus Torvalds } 6391da177e4SLinus Torvalds 6400b7c0153SFred Isaman static void nfs_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 6410b7c0153SFred Isaman { 6420b7c0153SFred Isaman BUG(); 6430b7c0153SFred Isaman } 6440b7c0153SFred Isaman 6451da177e4SLinus Torvalds static void 646e9ae1ee2SAnna Schumaker nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg, 647e9ae1ee2SAnna Schumaker struct rpc_clnt **clnt) 6481da177e4SLinus Torvalds { 6491da177e4SLinus Torvalds BUG(); 6501da177e4SLinus Torvalds } 6511da177e4SLinus Torvalds 6521da177e4SLinus Torvalds static int 6531da177e4SLinus Torvalds nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 6541da177e4SLinus Torvalds { 655496ad9aaSAl Viro struct inode *inode = file_inode(filp); 6561093a60eSChuck Lever 657b1ece737SBenjamin Coddington return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl, NULL); 6581da177e4SLinus Torvalds } 6591da177e4SLinus Torvalds 6602116271aSTrond Myklebust /* Helper functions for NFS lock bounds checking */ 6612116271aSTrond Myklebust #define NFS_LOCK32_OFFSET_MAX ((__s32)0x7fffffffUL) 6622116271aSTrond Myklebust static int nfs_lock_check_bounds(const struct file_lock *fl) 6632116271aSTrond Myklebust { 6642116271aSTrond Myklebust __s32 start, end; 6652116271aSTrond Myklebust 6662116271aSTrond Myklebust start = (__s32)fl->fl_start; 6672116271aSTrond Myklebust if ((loff_t)start != fl->fl_start) 6682116271aSTrond Myklebust goto out_einval; 6692116271aSTrond Myklebust 6702116271aSTrond Myklebust if (fl->fl_end != OFFSET_MAX) { 6712116271aSTrond Myklebust end = (__s32)fl->fl_end; 6722116271aSTrond Myklebust if ((loff_t)end != fl->fl_end) 6732116271aSTrond Myklebust goto out_einval; 6742116271aSTrond Myklebust } else 6752116271aSTrond Myklebust end = NFS_LOCK32_OFFSET_MAX; 6762116271aSTrond Myklebust 6772116271aSTrond Myklebust if (start < 0 || start > end) 6782116271aSTrond Myklebust goto out_einval; 6792116271aSTrond Myklebust return 0; 6802116271aSTrond Myklebust out_einval: 6812116271aSTrond Myklebust return -EINVAL; 6822116271aSTrond Myklebust } 6831da177e4SLinus Torvalds 684011e2a7fSBryan Schumaker static int nfs_have_delegation(struct inode *inode, fmode_t flags) 685011e2a7fSBryan Schumaker { 686011e2a7fSBryan Schumaker return 0; 687011e2a7fSBryan Schumaker } 688011e2a7fSBryan Schumaker 689597d9289SBryan Schumaker static const struct inode_operations nfs_dir_inode_operations = { 690597d9289SBryan Schumaker .create = nfs_create, 691597d9289SBryan Schumaker .lookup = nfs_lookup, 692597d9289SBryan Schumaker .link = nfs_link, 693597d9289SBryan Schumaker .unlink = nfs_unlink, 694597d9289SBryan Schumaker .symlink = nfs_symlink, 695597d9289SBryan Schumaker .mkdir = nfs_mkdir, 696597d9289SBryan Schumaker .rmdir = nfs_rmdir, 697597d9289SBryan Schumaker .mknod = nfs_mknod, 698597d9289SBryan Schumaker .rename = nfs_rename, 699597d9289SBryan Schumaker .permission = nfs_permission, 700597d9289SBryan Schumaker .getattr = nfs_getattr, 701597d9289SBryan Schumaker .setattr = nfs_setattr, 702597d9289SBryan Schumaker }; 703597d9289SBryan Schumaker 704597d9289SBryan Schumaker static const struct inode_operations nfs_file_inode_operations = { 705597d9289SBryan Schumaker .permission = nfs_permission, 706597d9289SBryan Schumaker .getattr = nfs_getattr, 707597d9289SBryan Schumaker .setattr = nfs_setattr, 708597d9289SBryan Schumaker }; 709597d9289SBryan Schumaker 710509de811SDavid Howells const struct nfs_rpc_ops nfs_v2_clientops = { 7111da177e4SLinus Torvalds .version = 2, /* protocol version */ 7121da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 7131da177e4SLinus Torvalds .dir_inode_ops = &nfs_dir_inode_operations, 71492cfc62cSJ. Bruce Fields .file_inode_ops = &nfs_file_inode_operations, 7151788ea6eSJeff Layton .file_ops = &nfs_file_operations, 7161da177e4SLinus Torvalds .getroot = nfs_proc_get_root, 717281cad46SBryan Schumaker .submount = nfs_submount, 718f2aedb71SDavid Howells .try_get_tree = nfs_try_get_tree, 7191da177e4SLinus Torvalds .getattr = nfs_proc_getattr, 7201da177e4SLinus Torvalds .setattr = nfs_proc_setattr, 7211da177e4SLinus Torvalds .lookup = nfs_proc_lookup, 7221da177e4SLinus Torvalds .access = NULL, /* access */ 7231da177e4SLinus Torvalds .readlink = nfs_proc_readlink, 7241da177e4SLinus Torvalds .create = nfs_proc_create, 7251da177e4SLinus Torvalds .remove = nfs_proc_remove, 7261da177e4SLinus Torvalds .unlink_setup = nfs_proc_unlink_setup, 72734e137ccSBryan Schumaker .unlink_rpc_prepare = nfs_proc_unlink_rpc_prepare, 7281da177e4SLinus Torvalds .unlink_done = nfs_proc_unlink_done, 729d3d4152aSJeff Layton .rename_setup = nfs_proc_rename_setup, 730c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs_proc_rename_rpc_prepare, 731d3d4152aSJeff Layton .rename_done = nfs_proc_rename_done, 7321da177e4SLinus Torvalds .link = nfs_proc_link, 7331da177e4SLinus Torvalds .symlink = nfs_proc_symlink, 7341da177e4SLinus Torvalds .mkdir = nfs_proc_mkdir, 7351da177e4SLinus Torvalds .rmdir = nfs_proc_rmdir, 7361da177e4SLinus Torvalds .readdir = nfs_proc_readdir, 7371da177e4SLinus Torvalds .mknod = nfs_proc_mknod, 7381da177e4SLinus Torvalds .statfs = nfs_proc_statfs, 7391da177e4SLinus Torvalds .fsinfo = nfs_proc_fsinfo, 7401da177e4SLinus Torvalds .pathconf = nfs_proc_pathconf, 741f796f8b3SChuck Lever .decode_dirent = nfs2_decode_dirent, 742a4cdda59SAnna Schumaker .pgio_rpc_prepare = nfs_proc_pgio_rpc_prepare, 7431da177e4SLinus Torvalds .read_setup = nfs_proc_read_setup, 744ec06c096STrond Myklebust .read_done = nfs_read_done, 7451da177e4SLinus Torvalds .write_setup = nfs_proc_write_setup, 746788e7a89STrond Myklebust .write_done = nfs_write_done, 7471da177e4SLinus Torvalds .commit_setup = nfs_proc_commit_setup, 7480b7c0153SFred Isaman .commit_rpc_prepare = nfs_proc_commit_rpc_prepare, 7491da177e4SLinus Torvalds .lock = nfs_proc_lock, 7502116271aSTrond Myklebust .lock_check_bounds = nfs_lock_check_bounds, 7517fe5c398STrond Myklebust .close_context = nfs_close_context, 752011e2a7fSBryan Schumaker .have_delegation = nfs_have_delegation, 7536663ee7fSBryan Schumaker .alloc_client = nfs_alloc_client, 75445a52a02SAndy Adamson .init_client = nfs_init_client, 755cdb7ecedSBryan Schumaker .free_client = nfs_free_client, 7561179acc6SBryan Schumaker .create_server = nfs_create_server, 7571179acc6SBryan Schumaker .clone_server = nfs_clone_server, 7581da177e4SLinus Torvalds }; 759