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/slab.h> 331da177e4SLinus Torvalds #include <linux/time.h> 341da177e4SLinus Torvalds #include <linux/mm.h> 351da177e4SLinus Torvalds #include <linux/utsname.h> 361da177e4SLinus Torvalds #include <linux/errno.h> 371da177e4SLinus Torvalds #include <linux/string.h> 381da177e4SLinus Torvalds #include <linux/in.h> 391da177e4SLinus Torvalds #include <linux/pagemap.h> 401da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 411da177e4SLinus Torvalds #include <linux/nfs.h> 421da177e4SLinus Torvalds #include <linux/nfs2.h> 431da177e4SLinus Torvalds #include <linux/nfs_fs.h> 441da177e4SLinus Torvalds #include <linux/nfs_page.h> 451da177e4SLinus Torvalds #include <linux/lockd/bind.h> 461da177e4SLinus Torvalds #include <linux/smp_lock.h> 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds extern struct rpc_procinfo nfs_procedures[]; 511da177e4SLinus Torvalds 521da177e4SLinus Torvalds /* 531da177e4SLinus Torvalds * Bare-bones access to getattr: this is for nfs_read_super. 541da177e4SLinus Torvalds */ 551da177e4SLinus Torvalds static int 561da177e4SLinus Torvalds nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 571da177e4SLinus Torvalds struct nfs_fsinfo *info) 581da177e4SLinus Torvalds { 591da177e4SLinus Torvalds struct nfs_fattr *fattr = info->fattr; 601da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 61dead28daSChuck Lever struct rpc_message msg = { 62dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 63dead28daSChuck Lever .rpc_argp = fhandle, 64dead28daSChuck Lever .rpc_resp = fattr, 65dead28daSChuck Lever }; 661da177e4SLinus Torvalds int status; 671da177e4SLinus Torvalds 681da177e4SLinus Torvalds dprintk("%s: call getattr\n", __FUNCTION__); 690e574af1STrond Myklebust nfs_fattr_init(fattr); 70dead28daSChuck Lever status = rpc_call_sync(server->client_sys, &msg, 0); 711da177e4SLinus Torvalds dprintk("%s: reply getattr: %d\n", __FUNCTION__, status); 721da177e4SLinus Torvalds if (status) 731da177e4SLinus Torvalds return status; 741da177e4SLinus Torvalds dprintk("%s: call statfs\n", __FUNCTION__); 75dead28daSChuck Lever msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS]; 76dead28daSChuck Lever msg.rpc_resp = &fsinfo; 77dead28daSChuck Lever status = rpc_call_sync(server->client_sys, &msg, 0); 781da177e4SLinus Torvalds dprintk("%s: reply statfs: %d\n", __FUNCTION__, status); 791da177e4SLinus Torvalds if (status) 801da177e4SLinus Torvalds return status; 811da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 821da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 831da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 841da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 851da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 861da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 871da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 881da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 891da177e4SLinus Torvalds info->lease_time = 0; 901da177e4SLinus Torvalds return 0; 911da177e4SLinus Torvalds } 921da177e4SLinus Torvalds 931da177e4SLinus Torvalds /* 941da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 951da177e4SLinus Torvalds */ 961da177e4SLinus Torvalds static int 971da177e4SLinus Torvalds nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 981da177e4SLinus Torvalds struct nfs_fattr *fattr) 991da177e4SLinus Torvalds { 100dead28daSChuck Lever struct rpc_message msg = { 101dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_GETATTR], 102dead28daSChuck Lever .rpc_argp = fhandle, 103dead28daSChuck Lever .rpc_resp = fattr, 104dead28daSChuck Lever }; 1051da177e4SLinus Torvalds int status; 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1080e574af1STrond Myklebust nfs_fattr_init(fattr); 109dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1101da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1111da177e4SLinus Torvalds return status; 1121da177e4SLinus Torvalds } 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds static int 1151da177e4SLinus Torvalds nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1161da177e4SLinus Torvalds struct iattr *sattr) 1171da177e4SLinus Torvalds { 1181da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1191da177e4SLinus Torvalds struct nfs_sattrargs arg = { 1201da177e4SLinus Torvalds .fh = NFS_FH(inode), 1211da177e4SLinus Torvalds .sattr = sattr 1221da177e4SLinus Torvalds }; 123dead28daSChuck Lever struct rpc_message msg = { 124dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SETATTR], 125dead28daSChuck Lever .rpc_argp = &arg, 126dead28daSChuck Lever .rpc_resp = fattr, 127dead28daSChuck Lever }; 1281da177e4SLinus Torvalds int status; 1291da177e4SLinus Torvalds 130cf3fff54STrond Myklebust /* Mask out the non-modebit related stuff from attr->ia_mode */ 131cf3fff54STrond Myklebust sattr->ia_mode &= S_IALLUGO; 132cf3fff54STrond Myklebust 1331da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 1340e574af1STrond Myklebust nfs_fattr_init(fattr); 135dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 13665e4308dSTrond Myklebust if (status == 0) 13765e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1381da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1391da177e4SLinus Torvalds return status; 1401da177e4SLinus Torvalds } 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvalds static int 1431da177e4SLinus Torvalds nfs_proc_lookup(struct inode *dir, struct qstr *name, 1441da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1451da177e4SLinus Torvalds { 1461da177e4SLinus Torvalds struct nfs_diropargs arg = { 1471da177e4SLinus Torvalds .fh = NFS_FH(dir), 1481da177e4SLinus Torvalds .name = name->name, 1491da177e4SLinus Torvalds .len = name->len 1501da177e4SLinus Torvalds }; 1511da177e4SLinus Torvalds struct nfs_diropok res = { 1521da177e4SLinus Torvalds .fh = fhandle, 1531da177e4SLinus Torvalds .fattr = fattr 1541da177e4SLinus Torvalds }; 155dead28daSChuck Lever struct rpc_message msg = { 156dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP], 157dead28daSChuck Lever .rpc_argp = &arg, 158dead28daSChuck Lever .rpc_resp = &res, 159dead28daSChuck Lever }; 1601da177e4SLinus Torvalds int status; 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 1630e574af1STrond Myklebust nfs_fattr_init(fattr); 164dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 1651da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1661da177e4SLinus Torvalds return status; 1671da177e4SLinus Torvalds } 1681da177e4SLinus Torvalds 1691da177e4SLinus Torvalds static int nfs_proc_readlink(struct inode *inode, struct page *page, 1701da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 1711da177e4SLinus Torvalds { 1721da177e4SLinus Torvalds struct nfs_readlinkargs args = { 1731da177e4SLinus Torvalds .fh = NFS_FH(inode), 1741da177e4SLinus Torvalds .pgbase = pgbase, 1751da177e4SLinus Torvalds .pglen = pglen, 1761da177e4SLinus Torvalds .pages = &page 1771da177e4SLinus Torvalds }; 178dead28daSChuck Lever struct rpc_message msg = { 179dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_READLINK], 180dead28daSChuck Lever .rpc_argp = &args, 181dead28daSChuck Lever }; 1821da177e4SLinus Torvalds int status; 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 185dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 1861da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 1871da177e4SLinus Torvalds return status; 1881da177e4SLinus Torvalds } 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds static int nfs_proc_read(struct nfs_read_data *rdata) 1911da177e4SLinus Torvalds { 1921da177e4SLinus Torvalds int flags = rdata->flags; 1931da177e4SLinus Torvalds struct inode * inode = rdata->inode; 1941da177e4SLinus Torvalds struct nfs_fattr * fattr = rdata->res.fattr; 1951da177e4SLinus Torvalds struct rpc_message msg = { 1961da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_READ], 1971da177e4SLinus Torvalds .rpc_argp = &rdata->args, 1981da177e4SLinus Torvalds .rpc_resp = &rdata->res, 1991da177e4SLinus Torvalds .rpc_cred = rdata->cred, 2001da177e4SLinus Torvalds }; 2011da177e4SLinus Torvalds int status; 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds dprintk("NFS call read %d @ %Ld\n", rdata->args.count, 2041da177e4SLinus Torvalds (long long) rdata->args.offset); 2050e574af1STrond Myklebust nfs_fattr_init(fattr); 2061da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 2071da177e4SLinus Torvalds if (status >= 0) { 2081da177e4SLinus Torvalds nfs_refresh_inode(inode, fattr); 2091da177e4SLinus Torvalds /* Emulate the eof flag, which isn't normally needed in NFSv2 2101da177e4SLinus Torvalds * as it is guaranteed to always return the file attributes 2111da177e4SLinus Torvalds */ 2121da177e4SLinus Torvalds if (rdata->args.offset + rdata->args.count >= fattr->size) 2131da177e4SLinus Torvalds rdata->res.eof = 1; 2141da177e4SLinus Torvalds } 2151da177e4SLinus Torvalds dprintk("NFS reply read: %d\n", status); 2161da177e4SLinus Torvalds return status; 2171da177e4SLinus Torvalds } 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvalds static int nfs_proc_write(struct nfs_write_data *wdata) 2201da177e4SLinus Torvalds { 2211da177e4SLinus Torvalds int flags = wdata->flags; 2221da177e4SLinus Torvalds struct inode * inode = wdata->inode; 2231da177e4SLinus Torvalds struct nfs_fattr * fattr = wdata->res.fattr; 2241da177e4SLinus Torvalds struct rpc_message msg = { 2251da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_WRITE], 2261da177e4SLinus Torvalds .rpc_argp = &wdata->args, 2271da177e4SLinus Torvalds .rpc_resp = &wdata->res, 2281da177e4SLinus Torvalds .rpc_cred = wdata->cred, 2291da177e4SLinus Torvalds }; 2301da177e4SLinus Torvalds int status; 2311da177e4SLinus Torvalds 2321da177e4SLinus Torvalds dprintk("NFS call write %d @ %Ld\n", wdata->args.count, 2331da177e4SLinus Torvalds (long long) wdata->args.offset); 2340e574af1STrond Myklebust nfs_fattr_init(fattr); 2351da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 2361da177e4SLinus Torvalds if (status >= 0) { 237decf491fSTrond Myklebust nfs_post_op_update_inode(inode, fattr); 2381da177e4SLinus Torvalds wdata->res.count = wdata->args.count; 2391da177e4SLinus Torvalds wdata->verf.committed = NFS_FILE_SYNC; 2401da177e4SLinus Torvalds } 2411da177e4SLinus Torvalds dprintk("NFS reply write: %d\n", status); 2421da177e4SLinus Torvalds return status < 0? status : wdata->res.count; 2431da177e4SLinus Torvalds } 2441da177e4SLinus Torvalds 2451da177e4SLinus Torvalds static int 2461da177e4SLinus Torvalds nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 24702a913a7STrond Myklebust int flags, struct nameidata *nd) 2481da177e4SLinus Torvalds { 2491da177e4SLinus Torvalds struct nfs_fh fhandle; 2501da177e4SLinus Torvalds struct nfs_fattr fattr; 2511da177e4SLinus Torvalds struct nfs_createargs arg = { 2521da177e4SLinus Torvalds .fh = NFS_FH(dir), 2531da177e4SLinus Torvalds .name = dentry->d_name.name, 2541da177e4SLinus Torvalds .len = dentry->d_name.len, 2551da177e4SLinus Torvalds .sattr = sattr 2561da177e4SLinus Torvalds }; 2571da177e4SLinus Torvalds struct nfs_diropok res = { 2581da177e4SLinus Torvalds .fh = &fhandle, 2591da177e4SLinus Torvalds .fattr = &fattr 2601da177e4SLinus Torvalds }; 261dead28daSChuck Lever struct rpc_message msg = { 262dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 263dead28daSChuck Lever .rpc_argp = &arg, 264dead28daSChuck Lever .rpc_resp = &res, 265dead28daSChuck Lever }; 2661da177e4SLinus Torvalds int status; 2671da177e4SLinus Torvalds 2680e574af1STrond Myklebust nfs_fattr_init(&fattr); 2691da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 270dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 2711da177e4SLinus Torvalds if (status == 0) 2721da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 2731da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 2741da177e4SLinus Torvalds return status; 2751da177e4SLinus Torvalds } 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds /* 2781da177e4SLinus Torvalds * In NFSv2, mknod is grafted onto the create call. 2791da177e4SLinus Torvalds */ 2801da177e4SLinus Torvalds static int 2811da177e4SLinus Torvalds nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 2821da177e4SLinus Torvalds dev_t rdev) 2831da177e4SLinus Torvalds { 2841da177e4SLinus Torvalds struct nfs_fh fhandle; 2851da177e4SLinus Torvalds struct nfs_fattr fattr; 2861da177e4SLinus Torvalds struct nfs_createargs arg = { 2871da177e4SLinus Torvalds .fh = NFS_FH(dir), 2881da177e4SLinus Torvalds .name = dentry->d_name.name, 2891da177e4SLinus Torvalds .len = dentry->d_name.len, 2901da177e4SLinus Torvalds .sattr = sattr 2911da177e4SLinus Torvalds }; 2921da177e4SLinus Torvalds struct nfs_diropok res = { 2931da177e4SLinus Torvalds .fh = &fhandle, 2941da177e4SLinus Torvalds .fattr = &fattr 2951da177e4SLinus Torvalds }; 296dead28daSChuck Lever struct rpc_message msg = { 297dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 298dead28daSChuck Lever .rpc_argp = &arg, 299dead28daSChuck Lever .rpc_resp = &res, 300dead28daSChuck Lever }; 3011da177e4SLinus Torvalds int status, mode; 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvalds dprintk("NFS call mknod %s\n", dentry->d_name.name); 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds mode = sattr->ia_mode; 3061da177e4SLinus Torvalds if (S_ISFIFO(mode)) { 3071da177e4SLinus Torvalds sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR; 3081da177e4SLinus Torvalds sattr->ia_valid &= ~ATTR_SIZE; 3091da177e4SLinus Torvalds } else if (S_ISCHR(mode) || S_ISBLK(mode)) { 3101da177e4SLinus Torvalds sattr->ia_valid |= ATTR_SIZE; 3111da177e4SLinus Torvalds sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 3121da177e4SLinus Torvalds } 3131da177e4SLinus Torvalds 3140e574af1STrond Myklebust nfs_fattr_init(&fattr); 315dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 316decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvalds if (status == -EINVAL && S_ISFIFO(mode)) { 3191da177e4SLinus Torvalds sattr->ia_mode = mode; 3200e574af1STrond Myklebust nfs_fattr_init(&fattr); 321dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 3221da177e4SLinus Torvalds } 3231da177e4SLinus Torvalds if (status == 0) 3241da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 3251da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 3261da177e4SLinus Torvalds return status; 3271da177e4SLinus Torvalds } 3281da177e4SLinus Torvalds 3291da177e4SLinus Torvalds static int 3301da177e4SLinus Torvalds nfs_proc_remove(struct inode *dir, struct qstr *name) 3311da177e4SLinus Torvalds { 3321da177e4SLinus Torvalds struct nfs_diropargs arg = { 3331da177e4SLinus Torvalds .fh = NFS_FH(dir), 3341da177e4SLinus Torvalds .name = name->name, 3351da177e4SLinus Torvalds .len = name->len 3361da177e4SLinus Torvalds }; 3371da177e4SLinus Torvalds struct rpc_message msg = { 3381da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_REMOVE], 3391da177e4SLinus Torvalds .rpc_argp = &arg, 3401da177e4SLinus Torvalds }; 3411da177e4SLinus Torvalds int status; 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 3441da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 345decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 3481da177e4SLinus Torvalds return status; 3491da177e4SLinus Torvalds } 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds static int 3521da177e4SLinus Torvalds nfs_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name) 3531da177e4SLinus Torvalds { 3541da177e4SLinus Torvalds struct nfs_diropargs *arg; 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds arg = (struct nfs_diropargs *)kmalloc(sizeof(*arg), GFP_KERNEL); 3571da177e4SLinus Torvalds if (!arg) 3581da177e4SLinus Torvalds return -ENOMEM; 3591da177e4SLinus Torvalds arg->fh = NFS_FH(dir->d_inode); 3601da177e4SLinus Torvalds arg->name = name->name; 3611da177e4SLinus Torvalds arg->len = name->len; 3621da177e4SLinus Torvalds msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE]; 3631da177e4SLinus Torvalds msg->rpc_argp = arg; 3641da177e4SLinus Torvalds return 0; 3651da177e4SLinus Torvalds } 3661da177e4SLinus Torvalds 3671da177e4SLinus Torvalds static int 3681da177e4SLinus Torvalds nfs_proc_unlink_done(struct dentry *dir, struct rpc_task *task) 3691da177e4SLinus Torvalds { 3701da177e4SLinus Torvalds struct rpc_message *msg = &task->tk_msg; 3711da177e4SLinus Torvalds 372decf491fSTrond Myklebust if (msg->rpc_argp) { 373decf491fSTrond Myklebust nfs_mark_for_revalidate(dir->d_inode); 3741da177e4SLinus Torvalds kfree(msg->rpc_argp); 375decf491fSTrond Myklebust } 3761da177e4SLinus Torvalds return 0; 3771da177e4SLinus Torvalds } 3781da177e4SLinus Torvalds 3791da177e4SLinus Torvalds static int 3801da177e4SLinus Torvalds nfs_proc_rename(struct inode *old_dir, struct qstr *old_name, 3811da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 3821da177e4SLinus Torvalds { 3831da177e4SLinus Torvalds struct nfs_renameargs arg = { 3841da177e4SLinus Torvalds .fromfh = NFS_FH(old_dir), 3851da177e4SLinus Torvalds .fromname = old_name->name, 3861da177e4SLinus Torvalds .fromlen = old_name->len, 3871da177e4SLinus Torvalds .tofh = NFS_FH(new_dir), 3881da177e4SLinus Torvalds .toname = new_name->name, 3891da177e4SLinus Torvalds .tolen = new_name->len 3901da177e4SLinus Torvalds }; 391dead28daSChuck Lever struct rpc_message msg = { 392dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_RENAME], 393dead28daSChuck Lever .rpc_argp = &arg, 394dead28daSChuck Lever }; 3951da177e4SLinus Torvalds int status; 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 398dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 399decf491fSTrond Myklebust nfs_mark_for_revalidate(old_dir); 400decf491fSTrond Myklebust nfs_mark_for_revalidate(new_dir); 4011da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 4021da177e4SLinus Torvalds return status; 4031da177e4SLinus Torvalds } 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds static int 4061da177e4SLinus Torvalds nfs_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 4071da177e4SLinus Torvalds { 4081da177e4SLinus Torvalds struct nfs_linkargs arg = { 4091da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 4101da177e4SLinus Torvalds .tofh = NFS_FH(dir), 4111da177e4SLinus Torvalds .toname = name->name, 4121da177e4SLinus Torvalds .tolen = name->len 4131da177e4SLinus Torvalds }; 414dead28daSChuck Lever struct rpc_message msg = { 415dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_LINK], 416dead28daSChuck Lever .rpc_argp = &arg, 417dead28daSChuck Lever }; 4181da177e4SLinus Torvalds int status; 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 421dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 4225ba7cc48STrond Myklebust nfs_mark_for_revalidate(inode); 423decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4241da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 4251da177e4SLinus Torvalds return status; 4261da177e4SLinus Torvalds } 4271da177e4SLinus Torvalds 4281da177e4SLinus Torvalds static int 4291da177e4SLinus Torvalds nfs_proc_symlink(struct inode *dir, struct qstr *name, struct qstr *path, 4301da177e4SLinus Torvalds struct iattr *sattr, struct nfs_fh *fhandle, 4311da177e4SLinus Torvalds struct nfs_fattr *fattr) 4321da177e4SLinus Torvalds { 4331da177e4SLinus Torvalds struct nfs_symlinkargs arg = { 4341da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 4351da177e4SLinus Torvalds .fromname = name->name, 4361da177e4SLinus Torvalds .fromlen = name->len, 4371da177e4SLinus Torvalds .topath = path->name, 4381da177e4SLinus Torvalds .tolen = path->len, 4391da177e4SLinus Torvalds .sattr = sattr 4401da177e4SLinus Torvalds }; 441dead28daSChuck Lever struct rpc_message msg = { 442dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK], 443dead28daSChuck Lever .rpc_argp = &arg, 444dead28daSChuck Lever }; 4451da177e4SLinus Torvalds int status; 4461da177e4SLinus Torvalds 4471da177e4SLinus Torvalds if (path->len > NFS2_MAXPATHLEN) 4481da177e4SLinus Torvalds return -ENAMETOOLONG; 4491da177e4SLinus Torvalds dprintk("NFS call symlink %s -> %s\n", name->name, path->name); 4500e574af1STrond Myklebust nfs_fattr_init(fattr); 4511da177e4SLinus Torvalds fhandle->size = 0; 452dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 453decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4541da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 4551da177e4SLinus Torvalds return status; 4561da177e4SLinus Torvalds } 4571da177e4SLinus Torvalds 4581da177e4SLinus Torvalds static int 4591da177e4SLinus Torvalds nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 4601da177e4SLinus Torvalds { 4611da177e4SLinus Torvalds struct nfs_fh fhandle; 4621da177e4SLinus Torvalds struct nfs_fattr fattr; 4631da177e4SLinus Torvalds struct nfs_createargs arg = { 4641da177e4SLinus Torvalds .fh = NFS_FH(dir), 4651da177e4SLinus Torvalds .name = dentry->d_name.name, 4661da177e4SLinus Torvalds .len = dentry->d_name.len, 4671da177e4SLinus Torvalds .sattr = sattr 4681da177e4SLinus Torvalds }; 4691da177e4SLinus Torvalds struct nfs_diropok res = { 4701da177e4SLinus Torvalds .fh = &fhandle, 4711da177e4SLinus Torvalds .fattr = &fattr 4721da177e4SLinus Torvalds }; 473dead28daSChuck Lever struct rpc_message msg = { 474dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], 475dead28daSChuck Lever .rpc_argp = &arg, 476dead28daSChuck Lever .rpc_resp = &res, 477dead28daSChuck Lever }; 4781da177e4SLinus Torvalds int status; 4791da177e4SLinus Torvalds 4801da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 4810e574af1STrond Myklebust nfs_fattr_init(&fattr); 482dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 483decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 4841da177e4SLinus Torvalds if (status == 0) 4851da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 4861da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 4871da177e4SLinus Torvalds return status; 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds static int 4911da177e4SLinus Torvalds nfs_proc_rmdir(struct inode *dir, struct qstr *name) 4921da177e4SLinus Torvalds { 4931da177e4SLinus Torvalds struct nfs_diropargs arg = { 4941da177e4SLinus Torvalds .fh = NFS_FH(dir), 4951da177e4SLinus Torvalds .name = name->name, 4961da177e4SLinus Torvalds .len = name->len 4971da177e4SLinus Torvalds }; 498dead28daSChuck Lever struct rpc_message msg = { 499dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_RMDIR], 500dead28daSChuck Lever .rpc_argp = &arg, 501dead28daSChuck Lever }; 5021da177e4SLinus Torvalds int status; 5031da177e4SLinus Torvalds 5041da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 505dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 506decf491fSTrond Myklebust nfs_mark_for_revalidate(dir); 5071da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 5081da177e4SLinus Torvalds return status; 5091da177e4SLinus Torvalds } 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds /* 5121da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass a temporary 5131da177e4SLinus Torvalds * buffer to the encode function, which installs it in the receive 5141da177e4SLinus Torvalds * the receive iovec. The decode function just parses the reply to make 5151da177e4SLinus Torvalds * sure it is syntactically correct; the entries itself are decoded 5161da177e4SLinus Torvalds * from nfs_readdir by calling the decode_entry function directly. 5171da177e4SLinus Torvalds */ 5181da177e4SLinus Torvalds static int 5191da177e4SLinus Torvalds nfs_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 5201da177e4SLinus Torvalds u64 cookie, struct page *page, unsigned int count, int plus) 5211da177e4SLinus Torvalds { 5221da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 5231da177e4SLinus Torvalds struct nfs_readdirargs arg = { 5241da177e4SLinus Torvalds .fh = NFS_FH(dir), 5251da177e4SLinus Torvalds .cookie = cookie, 5261da177e4SLinus Torvalds .count = count, 527dead28daSChuck Lever .pages = &page, 5281da177e4SLinus Torvalds }; 5291da177e4SLinus Torvalds struct rpc_message msg = { 5301da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_READDIR], 5311da177e4SLinus Torvalds .rpc_argp = &arg, 532dead28daSChuck Lever .rpc_cred = cred, 5331da177e4SLinus Torvalds }; 5341da177e4SLinus Torvalds int status; 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds lock_kernel(); 5371da177e4SLinus Torvalds 5381da177e4SLinus Torvalds dprintk("NFS call readdir %d\n", (unsigned int)cookie); 5391da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 5401da177e4SLinus Torvalds 5411da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 5421da177e4SLinus Torvalds unlock_kernel(); 5431da177e4SLinus Torvalds return status; 5441da177e4SLinus Torvalds } 5451da177e4SLinus Torvalds 5461da177e4SLinus Torvalds static int 5471da177e4SLinus Torvalds nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 5481da177e4SLinus Torvalds struct nfs_fsstat *stat) 5491da177e4SLinus Torvalds { 5501da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 551dead28daSChuck Lever struct rpc_message msg = { 552dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 553dead28daSChuck Lever .rpc_argp = fhandle, 554dead28daSChuck Lever .rpc_resp = &fsinfo, 555dead28daSChuck Lever }; 5561da177e4SLinus Torvalds int status; 5571da177e4SLinus Torvalds 5581da177e4SLinus Torvalds dprintk("NFS call statfs\n"); 5590e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 560dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5611da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 5621da177e4SLinus Torvalds if (status) 5631da177e4SLinus Torvalds goto out; 5641da177e4SLinus Torvalds stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize; 5651da177e4SLinus Torvalds stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize; 5661da177e4SLinus Torvalds stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize; 5671da177e4SLinus Torvalds stat->tfiles = 0; 5681da177e4SLinus Torvalds stat->ffiles = 0; 5691da177e4SLinus Torvalds stat->afiles = 0; 5701da177e4SLinus Torvalds out: 5711da177e4SLinus Torvalds return status; 5721da177e4SLinus Torvalds } 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds static int 5751da177e4SLinus Torvalds nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 5761da177e4SLinus Torvalds struct nfs_fsinfo *info) 5771da177e4SLinus Torvalds { 5781da177e4SLinus Torvalds struct nfs2_fsstat fsinfo; 579dead28daSChuck Lever struct rpc_message msg = { 580dead28daSChuck Lever .rpc_proc = &nfs_procedures[NFSPROC_STATFS], 581dead28daSChuck Lever .rpc_argp = fhandle, 582dead28daSChuck Lever .rpc_resp = &fsinfo, 583dead28daSChuck Lever }; 5841da177e4SLinus Torvalds int status; 5851da177e4SLinus Torvalds 5861da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 5870e574af1STrond Myklebust nfs_fattr_init(info->fattr); 588dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 5891da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 5901da177e4SLinus Torvalds if (status) 5911da177e4SLinus Torvalds goto out; 5921da177e4SLinus Torvalds info->rtmax = NFS_MAXDATA; 5931da177e4SLinus Torvalds info->rtpref = fsinfo.tsize; 5941da177e4SLinus Torvalds info->rtmult = fsinfo.bsize; 5951da177e4SLinus Torvalds info->wtmax = NFS_MAXDATA; 5961da177e4SLinus Torvalds info->wtpref = fsinfo.tsize; 5971da177e4SLinus Torvalds info->wtmult = fsinfo.bsize; 5981da177e4SLinus Torvalds info->dtpref = fsinfo.tsize; 5991da177e4SLinus Torvalds info->maxfilesize = 0x7FFFFFFF; 6001da177e4SLinus Torvalds info->lease_time = 0; 6011da177e4SLinus Torvalds out: 6021da177e4SLinus Torvalds return status; 6031da177e4SLinus Torvalds } 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvalds static int 6061da177e4SLinus Torvalds nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 6071da177e4SLinus Torvalds struct nfs_pathconf *info) 6081da177e4SLinus Torvalds { 6091da177e4SLinus Torvalds info->max_link = 0; 6101da177e4SLinus Torvalds info->max_namelen = NFS2_MAXNAMLEN; 6111da177e4SLinus Torvalds return 0; 6121da177e4SLinus Torvalds } 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds extern u32 * nfs_decode_dirent(u32 *, struct nfs_entry *, int); 6151da177e4SLinus Torvalds 616963d8fe5STrond Myklebust static void nfs_read_done(struct rpc_task *task, void *calldata) 6171da177e4SLinus Torvalds { 618963d8fe5STrond Myklebust struct nfs_read_data *data = calldata; 6191da177e4SLinus Torvalds 6201da177e4SLinus Torvalds if (task->tk_status >= 0) { 6211da177e4SLinus Torvalds nfs_refresh_inode(data->inode, data->res.fattr); 6221da177e4SLinus Torvalds /* Emulate the eof flag, which isn't normally needed in NFSv2 6231da177e4SLinus Torvalds * as it is guaranteed to always return the file attributes 6241da177e4SLinus Torvalds */ 6251da177e4SLinus Torvalds if (data->args.offset + data->args.count >= data->res.fattr->size) 6261da177e4SLinus Torvalds data->res.eof = 1; 6271da177e4SLinus Torvalds } 628963d8fe5STrond Myklebust nfs_readpage_result(task, calldata); 6291da177e4SLinus Torvalds } 6301da177e4SLinus Torvalds 631963d8fe5STrond Myklebust static const struct rpc_call_ops nfs_read_ops = { 632963d8fe5STrond Myklebust .rpc_call_done = nfs_read_done, 633963d8fe5STrond Myklebust .rpc_release = nfs_readdata_release, 634963d8fe5STrond Myklebust }; 635963d8fe5STrond Myklebust 6361da177e4SLinus Torvalds static void 6371da177e4SLinus Torvalds nfs_proc_read_setup(struct nfs_read_data *data) 6381da177e4SLinus Torvalds { 6391da177e4SLinus Torvalds struct rpc_task *task = &data->task; 6401da177e4SLinus Torvalds struct inode *inode = data->inode; 6411da177e4SLinus Torvalds int flags; 6421da177e4SLinus Torvalds struct rpc_message msg = { 6431da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_READ], 6441da177e4SLinus Torvalds .rpc_argp = &data->args, 6451da177e4SLinus Torvalds .rpc_resp = &data->res, 6461da177e4SLinus Torvalds .rpc_cred = data->cred, 6471da177e4SLinus Torvalds }; 6481da177e4SLinus Torvalds 6491da177e4SLinus Torvalds /* N.B. Do we need to test? Never called for swapfile inode */ 6501da177e4SLinus Torvalds flags = RPC_TASK_ASYNC | (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0); 6511da177e4SLinus Torvalds 6521da177e4SLinus Torvalds /* Finalize the task. */ 653963d8fe5STrond Myklebust rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs_read_ops, data); 6541da177e4SLinus Torvalds rpc_call_setup(task, &msg, 0); 6551da177e4SLinus Torvalds } 6561da177e4SLinus Torvalds 657963d8fe5STrond Myklebust static void nfs_write_done(struct rpc_task *task, void *calldata) 6581da177e4SLinus Torvalds { 659963d8fe5STrond Myklebust struct nfs_write_data *data = calldata; 6601da177e4SLinus Torvalds 6611da177e4SLinus Torvalds if (task->tk_status >= 0) 662decf491fSTrond Myklebust nfs_post_op_update_inode(data->inode, data->res.fattr); 663963d8fe5STrond Myklebust nfs_writeback_done(task, calldata); 6641da177e4SLinus Torvalds } 6651da177e4SLinus Torvalds 666963d8fe5STrond Myklebust static const struct rpc_call_ops nfs_write_ops = { 667963d8fe5STrond Myklebust .rpc_call_done = nfs_write_done, 668963d8fe5STrond Myklebust .rpc_release = nfs_writedata_release, 669963d8fe5STrond Myklebust }; 670963d8fe5STrond Myklebust 6711da177e4SLinus Torvalds static void 6721da177e4SLinus Torvalds nfs_proc_write_setup(struct nfs_write_data *data, int how) 6731da177e4SLinus Torvalds { 6741da177e4SLinus Torvalds struct rpc_task *task = &data->task; 6751da177e4SLinus Torvalds struct inode *inode = data->inode; 6761da177e4SLinus Torvalds int flags; 6771da177e4SLinus Torvalds struct rpc_message msg = { 6781da177e4SLinus Torvalds .rpc_proc = &nfs_procedures[NFSPROC_WRITE], 6791da177e4SLinus Torvalds .rpc_argp = &data->args, 6801da177e4SLinus Torvalds .rpc_resp = &data->res, 6811da177e4SLinus Torvalds .rpc_cred = data->cred, 6821da177e4SLinus Torvalds }; 6831da177e4SLinus Torvalds 6841da177e4SLinus Torvalds /* Note: NFSv2 ignores @stable and always uses NFS_FILE_SYNC */ 6851da177e4SLinus Torvalds data->args.stable = NFS_FILE_SYNC; 6861da177e4SLinus Torvalds 6871da177e4SLinus Torvalds /* Set the initial flags for the task. */ 6881da177e4SLinus Torvalds flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC; 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds /* Finalize the task. */ 691963d8fe5STrond Myklebust rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs_write_ops, data); 6921da177e4SLinus Torvalds rpc_call_setup(task, &msg, 0); 6931da177e4SLinus Torvalds } 6941da177e4SLinus Torvalds 6951da177e4SLinus Torvalds static void 6961da177e4SLinus Torvalds nfs_proc_commit_setup(struct nfs_write_data *data, int how) 6971da177e4SLinus Torvalds { 6981da177e4SLinus Torvalds BUG(); 6991da177e4SLinus Torvalds } 7001da177e4SLinus Torvalds 7011da177e4SLinus Torvalds static int 7021da177e4SLinus Torvalds nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 7031da177e4SLinus Torvalds { 7041da177e4SLinus Torvalds return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl); 7051da177e4SLinus Torvalds } 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds 7081da177e4SLinus Torvalds struct nfs_rpc_ops nfs_v2_clientops = { 7091da177e4SLinus Torvalds .version = 2, /* protocol version */ 7101da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 7111da177e4SLinus Torvalds .dir_inode_ops = &nfs_dir_inode_operations, 71292cfc62cSJ. Bruce Fields .file_inode_ops = &nfs_file_inode_operations, 7131da177e4SLinus Torvalds .getroot = nfs_proc_get_root, 7141da177e4SLinus Torvalds .getattr = nfs_proc_getattr, 7151da177e4SLinus Torvalds .setattr = nfs_proc_setattr, 7161da177e4SLinus Torvalds .lookup = nfs_proc_lookup, 7171da177e4SLinus Torvalds .access = NULL, /* access */ 7181da177e4SLinus Torvalds .readlink = nfs_proc_readlink, 7191da177e4SLinus Torvalds .read = nfs_proc_read, 7201da177e4SLinus Torvalds .write = nfs_proc_write, 7211da177e4SLinus Torvalds .commit = NULL, /* commit */ 7221da177e4SLinus Torvalds .create = nfs_proc_create, 7231da177e4SLinus Torvalds .remove = nfs_proc_remove, 7241da177e4SLinus Torvalds .unlink_setup = nfs_proc_unlink_setup, 7251da177e4SLinus Torvalds .unlink_done = nfs_proc_unlink_done, 7261da177e4SLinus Torvalds .rename = nfs_proc_rename, 7271da177e4SLinus Torvalds .link = nfs_proc_link, 7281da177e4SLinus Torvalds .symlink = nfs_proc_symlink, 7291da177e4SLinus Torvalds .mkdir = nfs_proc_mkdir, 7301da177e4SLinus Torvalds .rmdir = nfs_proc_rmdir, 7311da177e4SLinus Torvalds .readdir = nfs_proc_readdir, 7321da177e4SLinus Torvalds .mknod = nfs_proc_mknod, 7331da177e4SLinus Torvalds .statfs = nfs_proc_statfs, 7341da177e4SLinus Torvalds .fsinfo = nfs_proc_fsinfo, 7351da177e4SLinus Torvalds .pathconf = nfs_proc_pathconf, 7361da177e4SLinus Torvalds .decode_dirent = nfs_decode_dirent, 7371da177e4SLinus Torvalds .read_setup = nfs_proc_read_setup, 7381da177e4SLinus Torvalds .write_setup = nfs_proc_write_setup, 7391da177e4SLinus Torvalds .commit_setup = nfs_proc_commit_setup, 7401da177e4SLinus Torvalds .file_open = nfs_open, 7411da177e4SLinus Torvalds .file_release = nfs_release, 7421da177e4SLinus Torvalds .lock = nfs_proc_lock, 7431da177e4SLinus Torvalds }; 744