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 /* 501da177e4SLinus Torvalds * Bare-bones access to getattr: this is for nfs_read_super. 511da177e4SLinus Torvalds */ 521da177e4SLinus Torvalds static int 531da177e4SLinus Torvalds nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 541da177e4SLinus Torvalds struct nfs_fsinfo *info) 551da177e4SLinus Torvalds { 561da177e4SLinus Torvalds struct nfs_fattr *fattr = info->fattr; 571da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 58dead28daSChuck Lever struct rpc_message msg = { 59dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 60dead28daSChuck Lever .rpc_argp = fhandle, 61dead28daSChuck Lever .rpc_resp = fattr, 62dead28daSChuck Lever }; 631da177e4SLinus Torvalds int status; 641da177e4SLinus Torvalds 653110ff80SHarvey Harrison dprintk("%s: call getattr\n", __func__); 660e574af1STrond Myklebust nfs_fattr_init(fattr); 6737ca8f5cSEG Keizer status = rpc_call_sync(server->client, &msg, 0); 6837ca8f5cSEG Keizer /* Retry with default authentication if different */ 6937ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 705006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 713110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 721da177e4SLinus Torvalds if (status) 731da177e4SLinus Torvalds return status; 743110ff80SHarvey Harrison dprintk("%s: call statfs\n", __func__); 75dead28daSChuck Lever msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS]; 76dead28daSChuck Lever msg.rpc_resp = &fsinfo; 7737ca8f5cSEG Keizer status = rpc_call_sync(server->client, &msg, 0); 7837ca8f5cSEG Keizer /* Retry with default authentication if different */ 7937ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 805006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 813110ff80SHarvey Harrison dprintk("%s: reply statfs: %d\n", __func__, status); 821da177e4SLinus Torvalds if (status) 831da177e4SLinus Torvalds return status; 841da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 851da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 861da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 871da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 881da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 891da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 901da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 911da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 921da177e4SLinus Torvalds info->lease_time = 0; 931da177e4SLinus Torvalds return 0; 941da177e4SLinus Torvalds } 951da177e4SLinus Torvalds 961da177e4SLinus Torvalds /* 971da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 981da177e4SLinus Torvalds */ 991da177e4SLinus Torvalds static int 1001da177e4SLinus Torvalds nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1011775fd3eSDavid Quigley struct nfs_fattr *fattr, struct nfs4_label *label) 1021da177e4SLinus Torvalds { 103dead28daSChuck Lever struct rpc_message msg = { 104dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 105dead28daSChuck Lever .rpc_argp = fhandle, 106dead28daSChuck Lever .rpc_resp = fattr, 107dead28daSChuck Lever }; 1081da177e4SLinus Torvalds int status; 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1110e574af1STrond Myklebust nfs_fattr_init(fattr); 112dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1131da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1141da177e4SLinus Torvalds return status; 1151da177e4SLinus Torvalds } 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvalds static int 1181da177e4SLinus Torvalds nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1191da177e4SLinus Torvalds struct iattr *sattr) 1201da177e4SLinus Torvalds { 1212b0143b5SDavid Howells struct inode *inode = d_inode(dentry); 1221da177e4SLinus Torvalds struct nfs_sattrargs arg = { 1231da177e4SLinus Torvalds .fh = NFS_FH(inode), 1241da177e4SLinus Torvalds .sattr = sattr 1251da177e4SLinus Torvalds }; 126dead28daSChuck Lever struct rpc_message msg = { 127dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SETATTR], 128dead28daSChuck Lever .rpc_argp = &arg, 129dead28daSChuck Lever .rpc_resp = fattr, 130dead28daSChuck Lever }; 1311da177e4SLinus Torvalds int status; 1321da177e4SLinus Torvalds 133cf3fff54STrond Myklebust /* Mask out the non-modebit related stuff from attr->ia_mode */ 134cf3fff54STrond Myklebust sattr->ia_mode &= S_IALLUGO; 135cf3fff54STrond Myklebust 1361da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 137659bfcd6STrond Myklebust if (sattr->ia_valid & ATTR_FILE) 138659bfcd6STrond Myklebust msg.rpc_cred = nfs_file_cred(sattr->ia_file); 1390e574af1STrond Myklebust nfs_fattr_init(fattr); 140dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 14165e4308dSTrond Myklebust if (status == 0) 142f044636dSTrond Myklebust nfs_setattr_update_inode(inode, sattr, fattr); 1431da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1441da177e4SLinus Torvalds return status; 1451da177e4SLinus Torvalds } 1461da177e4SLinus Torvalds 1471da177e4SLinus Torvalds static int 14880a16b21SBryan Schumaker nfs_proc_lookup(struct inode *dir, struct qstr *name, 1491775fd3eSDavid Quigley struct nfs_fh *fhandle, struct nfs_fattr *fattr, 1501775fd3eSDavid Quigley struct nfs4_label *label) 1511da177e4SLinus Torvalds { 1521da177e4SLinus Torvalds struct nfs_diropargs arg = { 1531da177e4SLinus Torvalds .fh = NFS_FH(dir), 1541da177e4SLinus Torvalds .name = name->name, 1551da177e4SLinus Torvalds .len = name->len 1561da177e4SLinus Torvalds }; 1571da177e4SLinus Torvalds struct nfs_diropok res = { 1581da177e4SLinus Torvalds .fh = fhandle, 1591da177e4SLinus Torvalds .fattr = fattr 1601da177e4SLinus Torvalds }; 161dead28daSChuck Lever struct rpc_message msg = { 162dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP], 163dead28daSChuck Lever .rpc_argp = &arg, 164dead28daSChuck Lever .rpc_resp = &res, 165dead28daSChuck Lever }; 1661da177e4SLinus Torvalds int status; 1671da177e4SLinus Torvalds 1681da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 1690e574af1STrond Myklebust nfs_fattr_init(fattr); 170dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1711da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1721da177e4SLinus Torvalds return status; 1731da177e4SLinus Torvalds } 1741da177e4SLinus Torvalds 1751da177e4SLinus Torvalds static int nfs_proc_readlink(struct inode *inode, struct page *page, 1761da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 1771da177e4SLinus Torvalds { 1781da177e4SLinus Torvalds struct nfs_readlinkargs args = { 1791da177e4SLinus Torvalds .fh = NFS_FH(inode), 1801da177e4SLinus Torvalds .pgbase = pgbase, 1811da177e4SLinus Torvalds .pglen = pglen, 1821da177e4SLinus Torvalds .pages = &page 1831da177e4SLinus Torvalds }; 184dead28daSChuck Lever struct rpc_message msg = { 185dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_READLINK], 186dead28daSChuck Lever .rpc_argp = &args, 187dead28daSChuck Lever }; 1881da177e4SLinus Torvalds int status; 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 191dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 1921da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 1931da177e4SLinus Torvalds return status; 1941da177e4SLinus Torvalds } 1951da177e4SLinus Torvalds 196eb872f0cSTrond Myklebust struct nfs_createdata { 197eb872f0cSTrond Myklebust struct nfs_createargs arg; 198eb872f0cSTrond Myklebust struct nfs_diropok res; 199eb872f0cSTrond Myklebust struct nfs_fh fhandle; 200eb872f0cSTrond Myklebust struct nfs_fattr fattr; 201eb872f0cSTrond Myklebust }; 202eb872f0cSTrond Myklebust 203eb872f0cSTrond Myklebust static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir, 204eb872f0cSTrond Myklebust struct dentry *dentry, struct iattr *sattr) 205eb872f0cSTrond Myklebust { 206eb872f0cSTrond Myklebust struct nfs_createdata *data; 207eb872f0cSTrond Myklebust 208eb872f0cSTrond Myklebust data = kmalloc(sizeof(*data), GFP_KERNEL); 209eb872f0cSTrond Myklebust 210eb872f0cSTrond Myklebust if (data != NULL) { 211eb872f0cSTrond Myklebust data->arg.fh = NFS_FH(dir); 212eb872f0cSTrond Myklebust data->arg.name = dentry->d_name.name; 213eb872f0cSTrond Myklebust data->arg.len = dentry->d_name.len; 214eb872f0cSTrond Myklebust data->arg.sattr = sattr; 215eb872f0cSTrond Myklebust nfs_fattr_init(&data->fattr); 216eb872f0cSTrond Myklebust data->fhandle.size = 0; 217eb872f0cSTrond Myklebust data->res.fh = &data->fhandle; 218eb872f0cSTrond Myklebust data->res.fattr = &data->fattr; 219eb872f0cSTrond Myklebust } 220eb872f0cSTrond Myklebust return data; 221eb872f0cSTrond Myklebust }; 222eb872f0cSTrond Myklebust 223eb872f0cSTrond Myklebust static void nfs_free_createdata(const struct nfs_createdata *data) 224eb872f0cSTrond Myklebust { 225eb872f0cSTrond Myklebust kfree(data); 226eb872f0cSTrond Myklebust } 227eb872f0cSTrond Myklebust 2281da177e4SLinus Torvalds static int 2291da177e4SLinus Torvalds nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2308867fe58SMiklos Szeredi int flags) 2311da177e4SLinus Torvalds { 232eb872f0cSTrond Myklebust struct nfs_createdata *data; 233dead28daSChuck Lever struct rpc_message msg = { 234dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 235dead28daSChuck Lever }; 236eb872f0cSTrond Myklebust int status = -ENOMEM; 2371da177e4SLinus Torvalds 2386de1472fSAl Viro dprintk("NFS call create %pd\n", dentry); 239eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 240eb872f0cSTrond Myklebust if (data == NULL) 241eb872f0cSTrond Myklebust goto out; 242eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 243eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 244dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 245bad2a524STrond Myklebust nfs_mark_for_revalidate(dir); 2461da177e4SLinus Torvalds if (status == 0) 2471775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 248eb872f0cSTrond Myklebust nfs_free_createdata(data); 249eb872f0cSTrond Myklebust out: 2501da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 2511da177e4SLinus Torvalds return status; 2521da177e4SLinus Torvalds } 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds /* 2551da177e4SLinus Torvalds * In NFSv2, mknod is grafted onto the create call. 2561da177e4SLinus Torvalds */ 2571da177e4SLinus Torvalds static int 2581da177e4SLinus Torvalds nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2591da177e4SLinus Torvalds dev_t rdev) 2601da177e4SLinus Torvalds { 261eb872f0cSTrond Myklebust struct nfs_createdata *data; 262dead28daSChuck Lever struct rpc_message msg = { 263dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 264dead28daSChuck Lever }; 265eb872f0cSTrond Myklebust umode_t mode; 266eb872f0cSTrond Myklebust int status = -ENOMEM; 2671da177e4SLinus Torvalds 2686de1472fSAl Viro dprintk("NFS call mknod %pd\n", dentry); 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds mode = sattr->ia_mode; 2711da177e4SLinus Torvalds if (S_ISFIFO(mode)) { 2721da177e4SLinus Torvalds sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR; 2731da177e4SLinus Torvalds sattr->ia_valid &= ~ATTR_SIZE; 2741da177e4SLinus Torvalds } else if (S_ISCHR(mode) || S_ISBLK(mode)) { 2751da177e4SLinus Torvalds sattr->ia_valid |= ATTR_SIZE; 2761da177e4SLinus Torvalds sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 2771da177e4SLinus Torvalds } 2781da177e4SLinus Torvalds 279eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 280eb872f0cSTrond Myklebust if (data == NULL) 281eb872f0cSTrond Myklebust goto out; 282eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 283eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 284eb872f0cSTrond Myklebust 285dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 286decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 2871da177e4SLinus Torvalds 2881da177e4SLinus Torvalds if (status == -EINVAL && S_ISFIFO(mode)) { 2891da177e4SLinus Torvalds sattr->ia_mode = mode; 290eb872f0cSTrond Myklebust nfs_fattr_init(data->res.fattr); 291dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 2921da177e4SLinus Torvalds } 2931da177e4SLinus Torvalds if (status == 0) 2941775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 295eb872f0cSTrond Myklebust nfs_free_createdata(data); 296eb872f0cSTrond Myklebust out: 2971da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 2981da177e4SLinus Torvalds return status; 2991da177e4SLinus Torvalds } 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvalds static int 3021da177e4SLinus Torvalds nfs_proc_remove(struct inode *dir, struct qstr *name) 3031da177e4SLinus Torvalds { 3044fdc17b2STrond Myklebust struct nfs_removeargs arg = { 3051da177e4SLinus Torvalds .fh = NFS_FH(dir), 30626fe5750SLinus Torvalds .name = *name, 3071da177e4SLinus Torvalds }; 3081da177e4SLinus Torvalds struct rpc_message msg = { 3091da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_REMOVE], 3101da177e4SLinus Torvalds .rpc_argp = &arg, 3111da177e4SLinus Torvalds }; 3121da177e4SLinus Torvalds int status; 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 3151da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 316decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 3191da177e4SLinus Torvalds return status; 3201da177e4SLinus Torvalds } 3211da177e4SLinus Torvalds 322e4eff1a6STrond Myklebust static void 323e4eff1a6STrond Myklebust nfs_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 3241da177e4SLinus Torvalds { 3251da177e4SLinus Torvalds msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE]; 3261da177e4SLinus Torvalds } 3271da177e4SLinus Torvalds 32834e137ccSBryan Schumaker static void nfs_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 32934e137ccSBryan Schumaker { 33034e137ccSBryan Schumaker rpc_call_start(task); 33134e137ccSBryan Schumaker } 33234e137ccSBryan Schumaker 333e4eff1a6STrond Myklebust static int nfs_proc_unlink_done(struct rpc_task *task, struct inode *dir) 3341da177e4SLinus Torvalds { 335e4eff1a6STrond Myklebust nfs_mark_for_revalidate(dir); 336e4eff1a6STrond Myklebust return 1; 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds 339d3d4152aSJeff Layton static void 340d3d4152aSJeff Layton nfs_proc_rename_setup(struct rpc_message *msg, struct inode *dir) 341d3d4152aSJeff Layton { 342d3d4152aSJeff Layton msg->rpc_proc = &nfs_procedures[NFSPROC_RENAME]; 343d3d4152aSJeff Layton } 344d3d4152aSJeff Layton 345c6bfa1a1SBryan Schumaker static void nfs_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 346c6bfa1a1SBryan Schumaker { 347c6bfa1a1SBryan Schumaker rpc_call_start(task); 348c6bfa1a1SBryan Schumaker } 349c6bfa1a1SBryan Schumaker 350d3d4152aSJeff Layton static int 351d3d4152aSJeff Layton nfs_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 352d3d4152aSJeff Layton struct inode *new_dir) 353d3d4152aSJeff Layton { 354d3d4152aSJeff Layton nfs_mark_for_revalidate(old_dir); 355d3d4152aSJeff Layton nfs_mark_for_revalidate(new_dir); 356d3d4152aSJeff Layton return 1; 357d3d4152aSJeff Layton } 358d3d4152aSJeff Layton 3591da177e4SLinus Torvalds static int 3601da177e4SLinus Torvalds nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 3611da177e4SLinus Torvalds { 3621da177e4SLinus Torvalds struct nfs_linkargs arg = { 3631da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 3641da177e4SLinus Torvalds .tofh = NFS_FH(dir), 3651da177e4SLinus Torvalds .toname = name->name, 3661da177e4SLinus Torvalds .tolen = name->len 3671da177e4SLinus Torvalds }; 368dead28daSChuck Lever struct rpc_message msg = { 369dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LINK], 370dead28daSChuck Lever .rpc_argp = &arg, 371dead28daSChuck Lever }; 3721da177e4SLinus Torvalds int status; 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 375dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 3765ba7cc48STrond Myklebust nfs_mark_for_revalidate(inode); 377decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3781da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 3791da177e4SLinus Torvalds return status; 3801da177e4SLinus Torvalds } 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds static int 38394a6d753SChuck Lever nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 38494a6d753SChuck Lever unsigned int len, struct iattr *sattr) 3851da177e4SLinus Torvalds { 38623a30612STrond Myklebust struct nfs_fh *fh; 38723a30612STrond Myklebust struct nfs_fattr *fattr; 3881da177e4SLinus Torvalds struct nfs_symlinkargs arg = { 3891da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 3904f390c15SChuck Lever .fromname = dentry->d_name.name, 3914f390c15SChuck Lever .fromlen = dentry->d_name.len, 39294a6d753SChuck Lever .pages = &page, 39394a6d753SChuck Lever .pathlen = len, 3941da177e4SLinus Torvalds .sattr = sattr 3951da177e4SLinus Torvalds }; 396dead28daSChuck Lever struct rpc_message msg = { 397dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK], 398dead28daSChuck Lever .rpc_argp = &arg, 399dead28daSChuck Lever }; 40023a30612STrond Myklebust int status = -ENAMETOOLONG; 4014f390c15SChuck Lever 4026de1472fSAl Viro dprintk("NFS call symlink %pd\n", dentry); 40394a6d753SChuck Lever 40423a30612STrond Myklebust if (len > NFS2_MAXPATHLEN) 40523a30612STrond Myklebust goto out; 40623a30612STrond Myklebust 40723a30612STrond Myklebust fh = nfs_alloc_fhandle(); 40823a30612STrond Myklebust fattr = nfs_alloc_fattr(); 40923a30612STrond Myklebust status = -ENOMEM; 41023a30612STrond Myklebust if (fh == NULL || fattr == NULL) 411878215feSJesper Juhl goto out_free; 41223a30612STrond Myklebust 413dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 414decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4154f390c15SChuck Lever 4164f390c15SChuck Lever /* 4174f390c15SChuck Lever * V2 SYMLINK requests don't return any attributes. Setting the 4184f390c15SChuck Lever * filehandle size to zero indicates to nfs_instantiate that it 4194f390c15SChuck Lever * should fill in the data with a LOOKUP call on the wire. 4204f390c15SChuck Lever */ 42123a30612STrond Myklebust if (status == 0) 4221775fd3eSDavid Quigley status = nfs_instantiate(dentry, fh, fattr, NULL); 4234f390c15SChuck Lever 424878215feSJesper Juhl out_free: 42523a30612STrond Myklebust nfs_free_fattr(fattr); 42623a30612STrond Myklebust nfs_free_fhandle(fh); 42723a30612STrond Myklebust out: 4281da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 4291da177e4SLinus Torvalds return status; 4301da177e4SLinus Torvalds } 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds static int 4331da177e4SLinus Torvalds nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 4341da177e4SLinus Torvalds { 435eb872f0cSTrond Myklebust struct nfs_createdata *data; 436dead28daSChuck Lever struct rpc_message msg = { 437dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], 438dead28daSChuck Lever }; 439eb872f0cSTrond Myklebust int status = -ENOMEM; 4401da177e4SLinus Torvalds 4416de1472fSAl Viro dprintk("NFS call mkdir %pd\n", dentry); 442eb872f0cSTrond Myklebust data = nfs_alloc_createdata(dir, dentry, sattr); 443eb872f0cSTrond Myklebust if (data == NULL) 444eb872f0cSTrond Myklebust goto out; 445eb872f0cSTrond Myklebust msg.rpc_argp = &data->arg; 446eb872f0cSTrond Myklebust msg.rpc_resp = &data->res; 447eb872f0cSTrond Myklebust 448dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 449decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4501da177e4SLinus Torvalds if (status == 0) 4511775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 452eb872f0cSTrond Myklebust nfs_free_createdata(data); 453eb872f0cSTrond Myklebust out: 4541da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 4551da177e4SLinus Torvalds return status; 4561da177e4SLinus Torvalds } 4571da177e4SLinus Torvalds 4581da177e4SLinus Torvalds static int 4591da177e4SLinus Torvalds nfs_proc_rmdir(struct inode *dir, struct qstr *name) 4601da177e4SLinus Torvalds { 4611da177e4SLinus Torvalds struct nfs_diropargs arg = { 4621da177e4SLinus Torvalds .fh = NFS_FH(dir), 4631da177e4SLinus Torvalds .name = name->name, 4641da177e4SLinus Torvalds .len = name->len 4651da177e4SLinus Torvalds }; 466dead28daSChuck Lever struct rpc_message msg = { 467dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_RMDIR], 468dead28daSChuck Lever .rpc_argp = &arg, 469dead28daSChuck Lever }; 4701da177e4SLinus Torvalds int status; 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 473dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 474decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4751da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 4761da177e4SLinus Torvalds return status; 4771da177e4SLinus Torvalds } 4781da177e4SLinus Torvalds 4791da177e4SLinus Torvalds /* 4801da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass a temporary 4811da177e4SLinus Torvalds * buffer to the encode function, which installs it in the receive 4821da177e4SLinus Torvalds * the receive iovec. The decode function just parses the reply to make 4831da177e4SLinus Torvalds * sure it is syntactically correct; the entries itself are decoded 4841da177e4SLinus Torvalds * from nfs_readdir by calling the decode_entry function directly. 4851da177e4SLinus Torvalds */ 4861da177e4SLinus Torvalds static int 4871da177e4SLinus Torvalds nfs_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 48856e4ebf8SBryan Schumaker u64 cookie, struct page **pages, unsigned int count, int plus) 4891da177e4SLinus Torvalds { 4902b0143b5SDavid Howells struct inode *dir = d_inode(dentry); 4911da177e4SLinus Torvalds struct nfs_readdirargs arg = { 4921da177e4SLinus Torvalds .fh = NFS_FH(dir), 4931da177e4SLinus Torvalds .cookie = cookie, 4941da177e4SLinus Torvalds .count = count, 49556e4ebf8SBryan Schumaker .pages = pages, 4961da177e4SLinus Torvalds }; 4971da177e4SLinus Torvalds struct rpc_message msg = { 4981da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_READDIR], 4991da177e4SLinus Torvalds .rpc_argp = &arg, 500dead28daSChuck Lever .rpc_cred = cred, 5011da177e4SLinus Torvalds }; 5021da177e4SLinus Torvalds int status; 5031da177e4SLinus Torvalds 5041da177e4SLinus Torvalds dprintk("NFS call readdir %d\n", (unsigned int)cookie); 5051da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 5061da177e4SLinus Torvalds 507c4812998STrond Myklebust nfs_invalidate_atime(dir); 508c4812998STrond Myklebust 5091da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 5101da177e4SLinus Torvalds return status; 5111da177e4SLinus Torvalds } 5121da177e4SLinus Torvalds 5131da177e4SLinus Torvalds static int 5141da177e4SLinus Torvalds nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 5151da177e4SLinus Torvalds struct nfs_fsstat *stat) 5161da177e4SLinus Torvalds { 5171da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 518dead28daSChuck Lever struct rpc_message msg = { 519dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 520dead28daSChuck Lever .rpc_argp = fhandle, 521dead28daSChuck Lever .rpc_resp = &fsinfo, 522dead28daSChuck Lever }; 5231da177e4SLinus Torvalds int status; 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds dprintk("NFS call statfs\n"); 5260e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 527dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5281da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 5291da177e4SLinus Torvalds if (status) 5301da177e4SLinus Torvalds goto out; 5311da177e4SLinus Torvalds stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize; 5321da177e4SLinus Torvalds stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize; 5331da177e4SLinus Torvalds stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize; 5341da177e4SLinus Torvalds stat->tfiles = 0; 5351da177e4SLinus Torvalds stat->ffiles = 0; 5361da177e4SLinus Torvalds stat->afiles = 0; 5371da177e4SLinus Torvalds out: 5381da177e4SLinus Torvalds return status; 5391da177e4SLinus Torvalds } 5401da177e4SLinus Torvalds 5411da177e4SLinus Torvalds static int 5421da177e4SLinus Torvalds nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 5431da177e4SLinus Torvalds struct nfs_fsinfo *info) 5441da177e4SLinus Torvalds { 5451da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 546dead28daSChuck Lever struct rpc_message msg = { 547dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 548dead28daSChuck Lever .rpc_argp = fhandle, 549dead28daSChuck Lever .rpc_resp = &fsinfo, 550dead28daSChuck Lever }; 5511da177e4SLinus Torvalds int status; 5521da177e4SLinus Torvalds 5531da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 5540e574af1STrond Myklebust nfs_fattr_init(info->fattr); 555dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5561da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 5571da177e4SLinus Torvalds if (status) 5581da177e4SLinus Torvalds goto out; 5591da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 5601da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 5611da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 5621da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 5631da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 5641da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 5651da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 5661da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 5671da177e4SLinus Torvalds info->lease_time = 0; 5681da177e4SLinus Torvalds out: 5691da177e4SLinus Torvalds return status; 5701da177e4SLinus Torvalds } 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds static int 5731da177e4SLinus Torvalds nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 5741da177e4SLinus Torvalds struct nfs_pathconf *info) 5751da177e4SLinus Torvalds { 5761da177e4SLinus Torvalds info->max_link = 0; 5771da177e4SLinus Torvalds info->max_namelen = NFS2_MAXNAMLEN; 5781da177e4SLinus Torvalds return 0; 5791da177e4SLinus Torvalds } 5801da177e4SLinus Torvalds 581d45f60c6SWeston Andros Adamson static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 5821da177e4SLinus Torvalds { 583d45f60c6SWeston Andros Adamson struct inode *inode = hdr->inode; 584cd841605SFred Isaman 585cd841605SFred Isaman nfs_invalidate_atime(inode); 5861da177e4SLinus Torvalds if (task->tk_status >= 0) { 587d45f60c6SWeston Andros Adamson nfs_refresh_inode(inode, hdr->res.fattr); 5881da177e4SLinus Torvalds /* Emulate the eof flag, which isn't normally needed in NFSv2 5891da177e4SLinus Torvalds * as it is guaranteed to always return the file attributes 5901da177e4SLinus Torvalds */ 591d45f60c6SWeston Andros Adamson if (hdr->args.offset + hdr->res.count >= hdr->res.fattr->size) 592d45f60c6SWeston Andros Adamson hdr->res.eof = 1; 5931da177e4SLinus Torvalds } 594ec06c096STrond Myklebust return 0; 5951da177e4SLinus Torvalds } 5961da177e4SLinus Torvalds 597d45f60c6SWeston Andros Adamson static void nfs_proc_read_setup(struct nfs_pgio_header *hdr, 598d45f60c6SWeston Andros Adamson struct rpc_message *msg) 5991da177e4SLinus Torvalds { 600bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_READ]; 6011da177e4SLinus Torvalds } 6021da177e4SLinus Torvalds 603d45f60c6SWeston Andros Adamson static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task, 604d45f60c6SWeston Andros Adamson struct nfs_pgio_header *hdr) 605ea7c3303SBryan Schumaker { 606ea7c3303SBryan Schumaker rpc_call_start(task); 607ef1820f9SNeilBrown return 0; 608ea7c3303SBryan Schumaker } 609ea7c3303SBryan Schumaker 610d45f60c6SWeston Andros Adamson static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 6111da177e4SLinus Torvalds { 6121da177e4SLinus Torvalds if (task->tk_status >= 0) 613a08a8cd3STrond Myklebust nfs_writeback_update_inode(hdr); 614788e7a89STrond Myklebust return 0; 6151da177e4SLinus Torvalds } 6161da177e4SLinus Torvalds 617d45f60c6SWeston Andros Adamson static void nfs_proc_write_setup(struct nfs_pgio_header *hdr, 618d45f60c6SWeston Andros Adamson struct rpc_message *msg) 6191da177e4SLinus Torvalds { 6201da177e4SLinus Torvalds /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ 621d45f60c6SWeston Andros Adamson hdr->args.stable = NFS_FILE_SYNC; 622bdc7f021STrond Myklebust msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE]; 6231da177e4SLinus Torvalds } 6241da177e4SLinus Torvalds 6250b7c0153SFred Isaman static void nfs_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 6260b7c0153SFred Isaman { 6270b7c0153SFred Isaman BUG(); 6280b7c0153SFred Isaman } 6290b7c0153SFred Isaman 6301da177e4SLinus Torvalds static void 6310b7c0153SFred Isaman nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg) 6321da177e4SLinus Torvalds { 6331da177e4SLinus Torvalds BUG(); 6341da177e4SLinus Torvalds } 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds static int 6371da177e4SLinus Torvalds nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 6381da177e4SLinus Torvalds { 639496ad9aaSAl Viro struct inode *inode = file_inode(filp); 6401093a60eSChuck Lever 6411093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 6421da177e4SLinus Torvalds } 6431da177e4SLinus Torvalds 6442116271aSTrond Myklebust /* Helper functions for NFS lock bounds checking */ 6452116271aSTrond Myklebust #define NFS_LOCK32_OFFSET_MAX ((__s32)0x7fffffffUL) 6462116271aSTrond Myklebust static int nfs_lock_check_bounds(const struct file_lock *fl) 6472116271aSTrond Myklebust { 6482116271aSTrond Myklebust __s32 start, end; 6492116271aSTrond Myklebust 6502116271aSTrond Myklebust start = (__s32)fl->fl_start; 6512116271aSTrond Myklebust if ((loff_t)start != fl->fl_start) 6522116271aSTrond Myklebust goto out_einval; 6532116271aSTrond Myklebust 6542116271aSTrond Myklebust if (fl->fl_end != OFFSET_MAX) { 6552116271aSTrond Myklebust end = (__s32)fl->fl_end; 6562116271aSTrond Myklebust if ((loff_t)end != fl->fl_end) 6572116271aSTrond Myklebust goto out_einval; 6582116271aSTrond Myklebust } else 6592116271aSTrond Myklebust end = NFS_LOCK32_OFFSET_MAX; 6602116271aSTrond Myklebust 6612116271aSTrond Myklebust if (start < 0 || start > end) 6622116271aSTrond Myklebust goto out_einval; 6632116271aSTrond Myklebust return 0; 6642116271aSTrond Myklebust out_einval: 6652116271aSTrond Myklebust return -EINVAL; 6662116271aSTrond Myklebust } 6671da177e4SLinus Torvalds 668011e2a7fSBryan Schumaker static int nfs_have_delegation(struct inode *inode, fmode_t flags) 669011e2a7fSBryan Schumaker { 670011e2a7fSBryan Schumaker return 0; 671011e2a7fSBryan Schumaker } 672011e2a7fSBryan Schumaker 67357ec14c5SBryan Schumaker static int nfs_return_delegation(struct inode *inode) 67457ec14c5SBryan Schumaker { 67557ec14c5SBryan Schumaker nfs_wb_all(inode); 67657ec14c5SBryan Schumaker return 0; 67757ec14c5SBryan Schumaker } 67857ec14c5SBryan Schumaker 679597d9289SBryan Schumaker static const struct inode_operations nfs_dir_inode_operations = { 680597d9289SBryan Schumaker .create = nfs_create, 681597d9289SBryan Schumaker .lookup = nfs_lookup, 682597d9289SBryan Schumaker .link = nfs_link, 683597d9289SBryan Schumaker .unlink = nfs_unlink, 684597d9289SBryan Schumaker .symlink = nfs_symlink, 685597d9289SBryan Schumaker .mkdir = nfs_mkdir, 686597d9289SBryan Schumaker .rmdir = nfs_rmdir, 687597d9289SBryan Schumaker .mknod = nfs_mknod, 688597d9289SBryan Schumaker .rename = nfs_rename, 689597d9289SBryan Schumaker .permission = nfs_permission, 690597d9289SBryan Schumaker .getattr = nfs_getattr, 691597d9289SBryan Schumaker .setattr = nfs_setattr, 692597d9289SBryan Schumaker }; 693597d9289SBryan Schumaker 694597d9289SBryan Schumaker static const struct inode_operations nfs_file_inode_operations = { 695597d9289SBryan Schumaker .permission = nfs_permission, 696597d9289SBryan Schumaker .getattr = nfs_getattr, 697597d9289SBryan Schumaker .setattr = nfs_setattr, 698597d9289SBryan Schumaker }; 699597d9289SBryan Schumaker 700509de811SDavid Howells const struct nfs_rpc_ops nfs_v2_clientops = { 7011da177e4SLinus Torvalds .version = 2, /* protocol version */ 7021da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 7031da177e4SLinus Torvalds .dir_inode_ops = &nfs_dir_inode_operations, 70492cfc62cSJ. Bruce Fields .file_inode_ops = &nfs_file_inode_operations, 7051788ea6eSJeff Layton .file_ops = &nfs_file_operations, 7061da177e4SLinus Torvalds .getroot = nfs_proc_get_root, 707281cad46SBryan Schumaker .submount = nfs_submount, 708ff9099f2SBryan Schumaker .try_mount = nfs_try_mount, 7091da177e4SLinus Torvalds .getattr = nfs_proc_getattr, 7101da177e4SLinus Torvalds .setattr = nfs_proc_setattr, 7111da177e4SLinus Torvalds .lookup = nfs_proc_lookup, 7121da177e4SLinus Torvalds .access = NULL, /* access */ 7131da177e4SLinus Torvalds .readlink = nfs_proc_readlink, 7141da177e4SLinus Torvalds .create = nfs_proc_create, 7151da177e4SLinus Torvalds .remove = nfs_proc_remove, 7161da177e4SLinus Torvalds .unlink_setup = nfs_proc_unlink_setup, 71734e137ccSBryan Schumaker .unlink_rpc_prepare = nfs_proc_unlink_rpc_prepare, 7181da177e4SLinus Torvalds .unlink_done = nfs_proc_unlink_done, 719d3d4152aSJeff Layton .rename_setup = nfs_proc_rename_setup, 720c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs_proc_rename_rpc_prepare, 721d3d4152aSJeff Layton .rename_done = nfs_proc_rename_done, 7221da177e4SLinus Torvalds .link = nfs_proc_link, 7231da177e4SLinus Torvalds .symlink = nfs_proc_symlink, 7241da177e4SLinus Torvalds .mkdir = nfs_proc_mkdir, 7251da177e4SLinus Torvalds .rmdir = nfs_proc_rmdir, 7261da177e4SLinus Torvalds .readdir = nfs_proc_readdir, 7271da177e4SLinus Torvalds .mknod = nfs_proc_mknod, 7281da177e4SLinus Torvalds .statfs = nfs_proc_statfs, 7291da177e4SLinus Torvalds .fsinfo = nfs_proc_fsinfo, 7301da177e4SLinus Torvalds .pathconf = nfs_proc_pathconf, 731f796f8b3SChuck Lever .decode_dirent = nfs2_decode_dirent, 732a4cdda59SAnna Schumaker .pgio_rpc_prepare = nfs_proc_pgio_rpc_prepare, 7331da177e4SLinus Torvalds .read_setup = nfs_proc_read_setup, 734ec06c096STrond Myklebust .read_done = nfs_read_done, 7351da177e4SLinus Torvalds .write_setup = nfs_proc_write_setup, 736788e7a89STrond Myklebust .write_done = nfs_write_done, 7371da177e4SLinus Torvalds .commit_setup = nfs_proc_commit_setup, 7380b7c0153SFred Isaman .commit_rpc_prepare = nfs_proc_commit_rpc_prepare, 7391da177e4SLinus Torvalds .lock = nfs_proc_lock, 7402116271aSTrond Myklebust .lock_check_bounds = nfs_lock_check_bounds, 7417fe5c398STrond Myklebust .close_context = nfs_close_context, 742011e2a7fSBryan Schumaker .have_delegation = nfs_have_delegation, 74357ec14c5SBryan Schumaker .return_delegation = nfs_return_delegation, 7446663ee7fSBryan Schumaker .alloc_client = nfs_alloc_client, 74545a52a02SAndy Adamson .init_client = nfs_init_client, 746cdb7ecedSBryan Schumaker .free_client = nfs_free_client, 7471179acc6SBryan Schumaker .create_server = nfs_create_server, 7481179acc6SBryan Schumaker .clone_server = nfs_clone_server, 7491da177e4SLinus Torvalds }; 750