11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * linux/fs/nfs/nfs3proc.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Client-side NFSv3 procedures stubs. 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * Copyright (C) 1997, Olaf Kirch 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #include <linux/mm.h> 101da177e4SLinus Torvalds #include <linux/utsname.h> 111da177e4SLinus Torvalds #include <linux/errno.h> 121da177e4SLinus Torvalds #include <linux/string.h> 131da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 141da177e4SLinus Torvalds #include <linux/nfs.h> 151da177e4SLinus Torvalds #include <linux/nfs3.h> 161da177e4SLinus Torvalds #include <linux/nfs_fs.h> 171da177e4SLinus Torvalds #include <linux/nfs_page.h> 181da177e4SLinus Torvalds #include <linux/lockd/bind.h> 19b7fa0554SAndreas Gruenbacher #include <linux/nfs_mount.h> 201da177e4SLinus Torvalds 21006ea73eSChuck Lever #include "iostat.h" 22f7b422b1SDavid Howells #include "internal.h" 23006ea73eSChuck Lever 241da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds /* A wrapper to handle the EJUKEBOX error message */ 271da177e4SLinus Torvalds static int 281da177e4SLinus Torvalds nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 291da177e4SLinus Torvalds { 301da177e4SLinus Torvalds int res; 311da177e4SLinus Torvalds do { 321da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 331da177e4SLinus Torvalds if (res != -EJUKEBOX) 341da177e4SLinus Torvalds break; 35150030b7SMatthew Wilcox schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); 361da177e4SLinus Torvalds res = -ERESTARTSYS; 37150030b7SMatthew Wilcox } while (!fatal_signal_pending(current)); 381da177e4SLinus Torvalds return res; 391da177e4SLinus Torvalds } 401da177e4SLinus Torvalds 41dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 421da177e4SLinus Torvalds 431da177e4SLinus Torvalds static int 44006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 451da177e4SLinus Torvalds { 461da177e4SLinus Torvalds if (task->tk_status != -EJUKEBOX) 471da177e4SLinus Torvalds return 0; 48006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 491da177e4SLinus Torvalds task->tk_status = 0; 501da177e4SLinus Torvalds rpc_restart_call(task); 511da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 521da177e4SLinus Torvalds return 1; 531da177e4SLinus Torvalds } 541da177e4SLinus Torvalds 5503c21733SJ. Bruce Fields static int 5603c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 5703c21733SJ. Bruce Fields struct nfs_fsinfo *info) 5803c21733SJ. Bruce Fields { 59dead28daSChuck Lever struct rpc_message msg = { 60dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 61dead28daSChuck Lever .rpc_argp = fhandle, 62dead28daSChuck Lever .rpc_resp = info, 63dead28daSChuck Lever }; 6403c21733SJ. Bruce Fields int status; 6503c21733SJ. Bruce Fields 663110ff80SHarvey Harrison dprintk("%s: call fsinfo\n", __func__); 6703c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 68dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 693110ff80SHarvey Harrison dprintk("%s: reply fsinfo: %d\n", __func__, status); 7003c21733SJ. Bruce Fields if (!(info->fattr->valid & NFS_ATTR_FATTR)) { 71dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 72dead28daSChuck Lever msg.rpc_resp = info->fattr; 73dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 743110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 7503c21733SJ. Bruce Fields } 7603c21733SJ. Bruce Fields return status; 7703c21733SJ. Bruce Fields } 7803c21733SJ. Bruce Fields 791da177e4SLinus Torvalds /* 8054ceac45SDavid Howells * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb 811da177e4SLinus Torvalds */ 821da177e4SLinus Torvalds static int 831da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 841da177e4SLinus Torvalds struct nfs_fsinfo *info) 851da177e4SLinus Torvalds { 861da177e4SLinus Torvalds int status; 871da177e4SLinus Torvalds 8803c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 895006a76cSDavid Howells if (status && server->nfs_client->cl_rpcclient != server->client) 905006a76cSDavid Howells status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); 911da177e4SLinus Torvalds return status; 921da177e4SLinus Torvalds } 931da177e4SLinus Torvalds 941da177e4SLinus Torvalds /* 951da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 961da177e4SLinus Torvalds */ 971da177e4SLinus Torvalds static int 981da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 991da177e4SLinus Torvalds struct nfs_fattr *fattr) 1001da177e4SLinus Torvalds { 101dead28daSChuck Lever struct rpc_message msg = { 102dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], 103dead28daSChuck Lever .rpc_argp = fhandle, 104dead28daSChuck Lever .rpc_resp = fattr, 105dead28daSChuck Lever }; 1061da177e4SLinus Torvalds int status; 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1090e574af1STrond Myklebust nfs_fattr_init(fattr); 110dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1111da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1121da177e4SLinus Torvalds return status; 1131da177e4SLinus Torvalds } 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvalds static int 1161da177e4SLinus Torvalds nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1171da177e4SLinus Torvalds struct iattr *sattr) 1181da177e4SLinus Torvalds { 1191da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1201da177e4SLinus Torvalds struct nfs3_sattrargs arg = { 1211da177e4SLinus Torvalds .fh = NFS_FH(inode), 1221da177e4SLinus Torvalds .sattr = sattr, 1231da177e4SLinus Torvalds }; 124dead28daSChuck Lever struct rpc_message msg = { 125dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], 126dead28daSChuck Lever .rpc_argp = &arg, 127dead28daSChuck Lever .rpc_resp = fattr, 128dead28daSChuck Lever }; 1291da177e4SLinus Torvalds int status; 1301da177e4SLinus Torvalds 1311da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 1320e574af1STrond Myklebust nfs_fattr_init(fattr); 133dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 13465e4308dSTrond Myklebust if (status == 0) 13565e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1361da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1371da177e4SLinus Torvalds return status; 1381da177e4SLinus Torvalds } 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvalds static int 1411da177e4SLinus Torvalds nfs3_proc_lookup(struct inode *dir, struct qstr *name, 1421da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1431da177e4SLinus Torvalds { 1441da177e4SLinus Torvalds struct nfs_fattr dir_attr; 1451da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1461da177e4SLinus Torvalds .fh = NFS_FH(dir), 1471da177e4SLinus Torvalds .name = name->name, 1481da177e4SLinus Torvalds .len = name->len 1491da177e4SLinus Torvalds }; 1501da177e4SLinus Torvalds struct nfs3_diropres res = { 1511da177e4SLinus Torvalds .dir_attr = &dir_attr, 1521da177e4SLinus Torvalds .fh = fhandle, 1531da177e4SLinus Torvalds .fattr = fattr 1541da177e4SLinus Torvalds }; 155dead28daSChuck Lever struct rpc_message msg = { 156dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_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(&dir_attr); 1640e574af1STrond Myklebust nfs_fattr_init(fattr); 165dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 16681c76880STrond Myklebust nfs_refresh_inode(dir, &dir_attr); 167dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 168dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 169dead28daSChuck Lever msg.rpc_argp = fhandle; 170dead28daSChuck Lever msg.rpc_resp = fattr; 171dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 172dead28daSChuck Lever } 1731da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1741da177e4SLinus Torvalds return status; 1751da177e4SLinus Torvalds } 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvalds static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 1781da177e4SLinus Torvalds { 1791da177e4SLinus Torvalds struct nfs_fattr fattr; 1801da177e4SLinus Torvalds struct nfs3_accessargs arg = { 1811da177e4SLinus Torvalds .fh = NFS_FH(inode), 1821da177e4SLinus Torvalds }; 1831da177e4SLinus Torvalds struct nfs3_accessres res = { 1841da177e4SLinus Torvalds .fattr = &fattr, 1851da177e4SLinus Torvalds }; 1861da177e4SLinus Torvalds struct rpc_message msg = { 1871da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], 1881da177e4SLinus Torvalds .rpc_argp = &arg, 1891da177e4SLinus Torvalds .rpc_resp = &res, 190dead28daSChuck Lever .rpc_cred = entry->cred, 1911da177e4SLinus Torvalds }; 1921da177e4SLinus Torvalds int mode = entry->mask; 1931da177e4SLinus Torvalds int status; 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds dprintk("NFS call access\n"); 1961da177e4SLinus Torvalds 1971da177e4SLinus Torvalds if (mode & MAY_READ) 1981da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_READ; 1991da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 2001da177e4SLinus Torvalds if (mode & MAY_WRITE) 2011da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; 2021da177e4SLinus Torvalds if (mode & MAY_EXEC) 2031da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_LOOKUP; 2041da177e4SLinus Torvalds } else { 2051da177e4SLinus Torvalds if (mode & MAY_WRITE) 2061da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; 2071da177e4SLinus Torvalds if (mode & MAY_EXEC) 2081da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_EXECUTE; 2091da177e4SLinus Torvalds } 2100e574af1STrond Myklebust nfs_fattr_init(&fattr); 2111da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2121da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2131da177e4SLinus Torvalds if (status == 0) { 2141da177e4SLinus Torvalds entry->mask = 0; 2151da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2161da177e4SLinus Torvalds entry->mask |= MAY_READ; 2171da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2181da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2191da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2201da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2211da177e4SLinus Torvalds } 2221da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2231da177e4SLinus Torvalds return status; 2241da177e4SLinus Torvalds } 2251da177e4SLinus Torvalds 2261da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2271da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2281da177e4SLinus Torvalds { 2291da177e4SLinus Torvalds struct nfs_fattr fattr; 2301da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2311da177e4SLinus Torvalds .fh = NFS_FH(inode), 2321da177e4SLinus Torvalds .pgbase = pgbase, 2331da177e4SLinus Torvalds .pglen = pglen, 2341da177e4SLinus Torvalds .pages = &page 2351da177e4SLinus Torvalds }; 236dead28daSChuck Lever struct rpc_message msg = { 237dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 238dead28daSChuck Lever .rpc_argp = &args, 239dead28daSChuck Lever .rpc_resp = &fattr, 240dead28daSChuck Lever }; 2411da177e4SLinus Torvalds int status; 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2440e574af1STrond Myklebust nfs_fattr_init(&fattr); 245dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2461da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2471da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2481da177e4SLinus Torvalds return status; 2491da177e4SLinus Torvalds } 2501da177e4SLinus Torvalds 2511da177e4SLinus Torvalds /* 2521da177e4SLinus Torvalds * Create a regular file. 2531da177e4SLinus Torvalds * For now, we don't implement O_EXCL. 2541da177e4SLinus Torvalds */ 2551da177e4SLinus Torvalds static int 2561da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 25702a913a7STrond Myklebust int flags, struct nameidata *nd) 2581da177e4SLinus Torvalds { 2591da177e4SLinus Torvalds struct nfs_fh fhandle; 2601da177e4SLinus Torvalds struct nfs_fattr fattr; 2611da177e4SLinus Torvalds struct nfs_fattr dir_attr; 2621da177e4SLinus Torvalds struct nfs3_createargs arg = { 2631da177e4SLinus Torvalds .fh = NFS_FH(dir), 2641da177e4SLinus Torvalds .name = dentry->d_name.name, 2651da177e4SLinus Torvalds .len = dentry->d_name.len, 2661da177e4SLinus Torvalds .sattr = sattr, 2671da177e4SLinus Torvalds }; 2681da177e4SLinus Torvalds struct nfs3_diropres res = { 2691da177e4SLinus Torvalds .dir_attr = &dir_attr, 2701da177e4SLinus Torvalds .fh = &fhandle, 2711da177e4SLinus Torvalds .fattr = &fattr 2721da177e4SLinus Torvalds }; 273dead28daSChuck Lever struct rpc_message msg = { 274dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_CREATE], 275dead28daSChuck Lever .rpc_argp = &arg, 276dead28daSChuck Lever .rpc_resp = &res, 277dead28daSChuck Lever }; 278055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 2791da177e4SLinus Torvalds int status; 2801da177e4SLinus Torvalds 2811da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 2821da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 2831da177e4SLinus Torvalds if (flags & O_EXCL) { 2841da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_EXCLUSIVE; 2851da177e4SLinus Torvalds arg.verifier[0] = jiffies; 2861da177e4SLinus Torvalds arg.verifier[1] = current->pid; 2871da177e4SLinus Torvalds } 2881da177e4SLinus Torvalds 289055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 290055ffbeaSAndreas Gruenbacher 2911da177e4SLinus Torvalds again: 2920e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 2930e574af1STrond Myklebust nfs_fattr_init(&fattr); 294dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 295dead28daSChuck Lever nfs_refresh_inode(dir, &dir_attr); 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds /* If the server doesn't support the exclusive creation semantics, 2981da177e4SLinus Torvalds * try again with simple 'guarded' mode. */ 29946b9f8e1SAndy Ryan if (status == -ENOTSUPP) { 3001da177e4SLinus Torvalds switch (arg.createmode) { 3011da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3021da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_GUARDED; 3031da177e4SLinus Torvalds break; 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3061da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 3071da177e4SLinus Torvalds break; 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3101da177e4SLinus Torvalds goto out; 3111da177e4SLinus Torvalds } 3121da177e4SLinus Torvalds goto again; 3131da177e4SLinus Torvalds } 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds if (status == 0) 3161da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 3171da177e4SLinus Torvalds if (status != 0) 3181da177e4SLinus Torvalds goto out; 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3211da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3221da177e4SLinus Torvalds if (arg.createmode == NFS3_CREATE_EXCLUSIVE) { 3231da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3241da177e4SLinus Torvalds 3251da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3261da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 3271da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 3281da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 3291da177e4SLinus Torvalds 3301da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 3311da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 3321da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 3331da177e4SLinus Torvalds status = nfs3_proc_setattr(dentry, &fattr, sattr); 334e2f032e9STrond Myklebust nfs_post_op_update_inode(dentry->d_inode, &fattr); 3351da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 3361da177e4SLinus Torvalds } 337055ffbeaSAndreas Gruenbacher if (status != 0) 338055ffbeaSAndreas Gruenbacher goto out; 339055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 3401da177e4SLinus Torvalds out: 3411da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 3421da177e4SLinus Torvalds return status; 3431da177e4SLinus Torvalds } 3441da177e4SLinus Torvalds 3451da177e4SLinus Torvalds static int 3461da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 3471da177e4SLinus Torvalds { 3484fdc17b2STrond Myklebust struct nfs_removeargs arg = { 3491da177e4SLinus Torvalds .fh = NFS_FH(dir), 3504fdc17b2STrond Myklebust .name.len = name->len, 3514fdc17b2STrond Myklebust .name.name = name->name, 3521da177e4SLinus Torvalds }; 3534fdc17b2STrond Myklebust struct nfs_removeres res; 3541da177e4SLinus Torvalds struct rpc_message msg = { 3551da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 3561da177e4SLinus Torvalds .rpc_argp = &arg, 3574fdc17b2STrond Myklebust .rpc_resp = &res, 3581da177e4SLinus Torvalds }; 3591da177e4SLinus Torvalds int status; 3601da177e4SLinus Torvalds 3611da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 3624fdc17b2STrond Myklebust nfs_fattr_init(&res.dir_attr); 3631da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 3644fdc17b2STrond Myklebust nfs_post_op_update_inode(dir, &res.dir_attr); 3651da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 3661da177e4SLinus Torvalds return status; 3671da177e4SLinus Torvalds } 3681da177e4SLinus Torvalds 369e4eff1a6STrond Myklebust static void 370e4eff1a6STrond Myklebust nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 3711da177e4SLinus Torvalds { 3721da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 3731da177e4SLinus Torvalds } 3741da177e4SLinus Torvalds 3751da177e4SLinus Torvalds static int 376e4eff1a6STrond Myklebust nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) 3771da177e4SLinus Torvalds { 378e4eff1a6STrond Myklebust struct nfs_removeres *res; 379e4eff1a6STrond Myklebust if (nfs3_async_handle_jukebox(task, dir)) 3801da177e4SLinus Torvalds return 0; 381e4eff1a6STrond Myklebust res = task->tk_msg.rpc_resp; 382e4eff1a6STrond Myklebust nfs_post_op_update_inode(dir, &res->dir_attr); 383e4eff1a6STrond Myklebust return 1; 3841da177e4SLinus Torvalds } 3851da177e4SLinus Torvalds 3861da177e4SLinus Torvalds static int 3871da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 3881da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 3891da177e4SLinus Torvalds { 3901da177e4SLinus Torvalds struct nfs_fattr old_dir_attr, new_dir_attr; 3911da177e4SLinus Torvalds struct nfs3_renameargs arg = { 3921da177e4SLinus Torvalds .fromfh = NFS_FH(old_dir), 3931da177e4SLinus Torvalds .fromname = old_name->name, 3941da177e4SLinus Torvalds .fromlen = old_name->len, 3951da177e4SLinus Torvalds .tofh = NFS_FH(new_dir), 3961da177e4SLinus Torvalds .toname = new_name->name, 3971da177e4SLinus Torvalds .tolen = new_name->len 3981da177e4SLinus Torvalds }; 3991da177e4SLinus Torvalds struct nfs3_renameres res = { 4001da177e4SLinus Torvalds .fromattr = &old_dir_attr, 4011da177e4SLinus Torvalds .toattr = &new_dir_attr 4021da177e4SLinus Torvalds }; 403dead28daSChuck Lever struct rpc_message msg = { 404dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 405dead28daSChuck Lever .rpc_argp = &arg, 406dead28daSChuck Lever .rpc_resp = &res, 407dead28daSChuck Lever }; 4081da177e4SLinus Torvalds int status; 4091da177e4SLinus Torvalds 4101da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 4110e574af1STrond Myklebust nfs_fattr_init(&old_dir_attr); 4120e574af1STrond Myklebust nfs_fattr_init(&new_dir_attr); 413dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 414decf491fSTrond Myklebust nfs_post_op_update_inode(old_dir, &old_dir_attr); 415decf491fSTrond Myklebust nfs_post_op_update_inode(new_dir, &new_dir_attr); 4161da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 4171da177e4SLinus Torvalds return status; 4181da177e4SLinus Torvalds } 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds static int 4211da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds struct nfs_fattr dir_attr, fattr; 4241da177e4SLinus Torvalds struct nfs3_linkargs arg = { 4251da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 4261da177e4SLinus Torvalds .tofh = NFS_FH(dir), 4271da177e4SLinus Torvalds .toname = name->name, 4281da177e4SLinus Torvalds .tolen = name->len 4291da177e4SLinus Torvalds }; 4301da177e4SLinus Torvalds struct nfs3_linkres res = { 4311da177e4SLinus Torvalds .dir_attr = &dir_attr, 4321da177e4SLinus Torvalds .fattr = &fattr 4331da177e4SLinus Torvalds }; 434dead28daSChuck Lever struct rpc_message msg = { 435dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 436dead28daSChuck Lever .rpc_argp = &arg, 437dead28daSChuck Lever .rpc_resp = &res, 438dead28daSChuck Lever }; 4391da177e4SLinus Torvalds int status; 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 4420e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 4430e574af1STrond Myklebust nfs_fattr_init(&fattr); 444dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 445decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 446decf491fSTrond Myklebust nfs_post_op_update_inode(inode, &fattr); 4471da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 4481da177e4SLinus Torvalds return status; 4491da177e4SLinus Torvalds } 4501da177e4SLinus Torvalds 4511da177e4SLinus Torvalds static int 45294a6d753SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 45394a6d753SChuck Lever unsigned int len, struct iattr *sattr) 4541da177e4SLinus Torvalds { 4554f390c15SChuck Lever struct nfs_fh fhandle; 4564f390c15SChuck Lever struct nfs_fattr fattr, dir_attr; 4571da177e4SLinus Torvalds struct nfs3_symlinkargs arg = { 4581da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 4594f390c15SChuck Lever .fromname = dentry->d_name.name, 4604f390c15SChuck Lever .fromlen = dentry->d_name.len, 46194a6d753SChuck Lever .pages = &page, 46294a6d753SChuck Lever .pathlen = len, 4631da177e4SLinus Torvalds .sattr = sattr 4641da177e4SLinus Torvalds }; 4651da177e4SLinus Torvalds struct nfs3_diropres res = { 4661da177e4SLinus Torvalds .dir_attr = &dir_attr, 4674f390c15SChuck Lever .fh = &fhandle, 4684f390c15SChuck Lever .fattr = &fattr 4691da177e4SLinus Torvalds }; 470dead28daSChuck Lever struct rpc_message msg = { 471dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK], 472dead28daSChuck Lever .rpc_argp = &arg, 473dead28daSChuck Lever .rpc_resp = &res, 474dead28daSChuck Lever }; 4751da177e4SLinus Torvalds int status; 4761da177e4SLinus Torvalds 47794a6d753SChuck Lever if (len > NFS3_MAXPATHLEN) 4781da177e4SLinus Torvalds return -ENAMETOOLONG; 4794f390c15SChuck Lever 48094a6d753SChuck Lever dprintk("NFS call symlink %s\n", dentry->d_name.name); 48194a6d753SChuck Lever 4820e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 4834f390c15SChuck Lever nfs_fattr_init(&fattr); 484dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 485decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 4864f390c15SChuck Lever if (status != 0) 4874f390c15SChuck Lever goto out; 4884f390c15SChuck Lever status = nfs_instantiate(dentry, &fhandle, &fattr); 4894f390c15SChuck Lever out: 4901da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 4911da177e4SLinus Torvalds return status; 4921da177e4SLinus Torvalds } 4931da177e4SLinus Torvalds 4941da177e4SLinus Torvalds static int 4951da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 4961da177e4SLinus Torvalds { 4971da177e4SLinus Torvalds struct nfs_fh fhandle; 4981da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 4991da177e4SLinus Torvalds struct nfs3_mkdirargs arg = { 5001da177e4SLinus Torvalds .fh = NFS_FH(dir), 5011da177e4SLinus Torvalds .name = dentry->d_name.name, 5021da177e4SLinus Torvalds .len = dentry->d_name.len, 5031da177e4SLinus Torvalds .sattr = sattr 5041da177e4SLinus Torvalds }; 5051da177e4SLinus Torvalds struct nfs3_diropres res = { 5061da177e4SLinus Torvalds .dir_attr = &dir_attr, 5071da177e4SLinus Torvalds .fh = &fhandle, 5081da177e4SLinus Torvalds .fattr = &fattr 5091da177e4SLinus Torvalds }; 510dead28daSChuck Lever struct rpc_message msg = { 511dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR], 512dead28daSChuck Lever .rpc_argp = &arg, 513dead28daSChuck Lever .rpc_resp = &res, 514dead28daSChuck Lever }; 515055ffbeaSAndreas Gruenbacher int mode = sattr->ia_mode; 5161da177e4SLinus Torvalds int status; 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 519055ffbeaSAndreas Gruenbacher 520055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 521055ffbeaSAndreas Gruenbacher 5220e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 5230e574af1STrond Myklebust nfs_fattr_init(&fattr); 524dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 525decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 526055ffbeaSAndreas Gruenbacher if (status != 0) 527055ffbeaSAndreas Gruenbacher goto out; 5281da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 529055ffbeaSAndreas Gruenbacher if (status != 0) 530055ffbeaSAndreas Gruenbacher goto out; 531055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 532055ffbeaSAndreas Gruenbacher out: 5331da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 5341da177e4SLinus Torvalds return status; 5351da177e4SLinus Torvalds } 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvalds static int 5381da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 5391da177e4SLinus Torvalds { 5401da177e4SLinus Torvalds struct nfs_fattr dir_attr; 5411da177e4SLinus Torvalds struct nfs3_diropargs arg = { 5421da177e4SLinus Torvalds .fh = NFS_FH(dir), 5431da177e4SLinus Torvalds .name = name->name, 5441da177e4SLinus Torvalds .len = name->len 5451da177e4SLinus Torvalds }; 546dead28daSChuck Lever struct rpc_message msg = { 547dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 548dead28daSChuck Lever .rpc_argp = &arg, 549dead28daSChuck Lever .rpc_resp = &dir_attr, 550dead28daSChuck Lever }; 5511da177e4SLinus Torvalds int status; 5521da177e4SLinus Torvalds 5531da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 5540e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 555dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 556decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 5571da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 5581da177e4SLinus Torvalds return status; 5591da177e4SLinus Torvalds } 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds /* 5621da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 5631da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 5641da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 5651da177e4SLinus Torvalds * sure the reply is syntactically correct. 5661da177e4SLinus Torvalds * 5671da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 5681da177e4SLinus Torvalds * readdirplus. 5691da177e4SLinus Torvalds */ 5701da177e4SLinus Torvalds static int 5711da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 5721da177e4SLinus Torvalds u64 cookie, struct page *page, unsigned int count, int plus) 5731da177e4SLinus Torvalds { 5741da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 5751da177e4SLinus Torvalds struct nfs_fattr dir_attr; 576bc4785cdSAl Viro __be32 *verf = NFS_COOKIEVERF(dir); 5771da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 5781da177e4SLinus Torvalds .fh = NFS_FH(dir), 5791da177e4SLinus Torvalds .cookie = cookie, 5801da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 5811da177e4SLinus Torvalds .plus = plus, 5821da177e4SLinus Torvalds .count = count, 5831da177e4SLinus Torvalds .pages = &page 5841da177e4SLinus Torvalds }; 5851da177e4SLinus Torvalds struct nfs3_readdirres res = { 5861da177e4SLinus Torvalds .dir_attr = &dir_attr, 5871da177e4SLinus Torvalds .verf = verf, 5881da177e4SLinus Torvalds .plus = plus 5891da177e4SLinus Torvalds }; 5901da177e4SLinus Torvalds struct rpc_message msg = { 5911da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 5921da177e4SLinus Torvalds .rpc_argp = &arg, 5931da177e4SLinus Torvalds .rpc_resp = &res, 5941da177e4SLinus Torvalds .rpc_cred = cred 5951da177e4SLinus Torvalds }; 5961da177e4SLinus Torvalds int status; 5971da177e4SLinus Torvalds 5981da177e4SLinus Torvalds if (plus) 5991da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6001da177e4SLinus Torvalds 6011da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6021da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6031da177e4SLinus Torvalds 6040e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 6051da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 606c4812998STrond Myklebust 607c4812998STrond Myklebust nfs_invalidate_atime(dir); 608c4812998STrond Myklebust 6091da177e4SLinus Torvalds nfs_refresh_inode(dir, &dir_attr); 6101da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 6111da177e4SLinus Torvalds return status; 6121da177e4SLinus Torvalds } 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds static int 6151da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 6161da177e4SLinus Torvalds dev_t rdev) 6171da177e4SLinus Torvalds { 6181da177e4SLinus Torvalds struct nfs_fh fh; 6191da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 6201da177e4SLinus Torvalds struct nfs3_mknodargs arg = { 6211da177e4SLinus Torvalds .fh = NFS_FH(dir), 6221da177e4SLinus Torvalds .name = dentry->d_name.name, 6231da177e4SLinus Torvalds .len = dentry->d_name.len, 6241da177e4SLinus Torvalds .sattr = sattr, 6251da177e4SLinus Torvalds .rdev = rdev 6261da177e4SLinus Torvalds }; 6271da177e4SLinus Torvalds struct nfs3_diropres res = { 6281da177e4SLinus Torvalds .dir_attr = &dir_attr, 6291da177e4SLinus Torvalds .fh = &fh, 6301da177e4SLinus Torvalds .fattr = &fattr 6311da177e4SLinus Torvalds }; 632dead28daSChuck Lever struct rpc_message msg = { 633dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD], 634dead28daSChuck Lever .rpc_argp = &arg, 635dead28daSChuck Lever .rpc_resp = &res, 636dead28daSChuck Lever }; 637055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 6381da177e4SLinus Torvalds int status; 6391da177e4SLinus Torvalds 6401da177e4SLinus Torvalds switch (sattr->ia_mode & S_IFMT) { 6411da177e4SLinus Torvalds case S_IFBLK: arg.type = NF3BLK; break; 6421da177e4SLinus Torvalds case S_IFCHR: arg.type = NF3CHR; break; 6431da177e4SLinus Torvalds case S_IFIFO: arg.type = NF3FIFO; break; 6441da177e4SLinus Torvalds case S_IFSOCK: arg.type = NF3SOCK; break; 6451da177e4SLinus Torvalds default: return -EINVAL; 6461da177e4SLinus Torvalds } 6471da177e4SLinus Torvalds 6481da177e4SLinus Torvalds dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, 6491da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 650055ffbeaSAndreas Gruenbacher 651055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 652055ffbeaSAndreas Gruenbacher 6530e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 6540e574af1STrond Myklebust nfs_fattr_init(&fattr); 655dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 656decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 657055ffbeaSAndreas Gruenbacher if (status != 0) 658055ffbeaSAndreas Gruenbacher goto out; 6591da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fh, &fattr); 660055ffbeaSAndreas Gruenbacher if (status != 0) 661055ffbeaSAndreas Gruenbacher goto out; 662055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 663055ffbeaSAndreas Gruenbacher out: 6641da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 6651da177e4SLinus Torvalds return status; 6661da177e4SLinus Torvalds } 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds static int 6691da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 6701da177e4SLinus Torvalds struct nfs_fsstat *stat) 6711da177e4SLinus Torvalds { 672dead28daSChuck Lever struct rpc_message msg = { 673dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 674dead28daSChuck Lever .rpc_argp = fhandle, 675dead28daSChuck Lever .rpc_resp = stat, 676dead28daSChuck Lever }; 6771da177e4SLinus Torvalds int status; 6781da177e4SLinus Torvalds 6791da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 6800e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 681dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 6821da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 6831da177e4SLinus Torvalds return status; 6841da177e4SLinus Torvalds } 6851da177e4SLinus Torvalds 6861da177e4SLinus Torvalds static int 6871da177e4SLinus Torvalds nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 6881da177e4SLinus Torvalds struct nfs_fsinfo *info) 6891da177e4SLinus Torvalds { 690dead28daSChuck Lever struct rpc_message msg = { 691dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 692dead28daSChuck Lever .rpc_argp = fhandle, 693dead28daSChuck Lever .rpc_resp = info, 694dead28daSChuck Lever }; 6951da177e4SLinus Torvalds int status; 6961da177e4SLinus Torvalds 6971da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 6980e574af1STrond Myklebust nfs_fattr_init(info->fattr); 6995006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 7001da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7011da177e4SLinus Torvalds return status; 7021da177e4SLinus Torvalds } 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvalds static int 7051da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 7061da177e4SLinus Torvalds struct nfs_pathconf *info) 7071da177e4SLinus Torvalds { 708dead28daSChuck Lever struct rpc_message msg = { 709dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 710dead28daSChuck Lever .rpc_argp = fhandle, 711dead28daSChuck Lever .rpc_resp = info, 712dead28daSChuck Lever }; 7131da177e4SLinus Torvalds int status; 7141da177e4SLinus Torvalds 7151da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 7160e574af1STrond Myklebust nfs_fattr_init(info->fattr); 717dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7181da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 7191da177e4SLinus Torvalds return status; 7201da177e4SLinus Torvalds } 7211da177e4SLinus Torvalds 722ec06c096STrond Myklebust static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) 7231da177e4SLinus Torvalds { 724006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 725ec06c096STrond Myklebust return -EAGAIN; 7268850df99STrond Myklebust 7278850df99STrond Myklebust nfs_invalidate_atime(data->inode); 7281da177e4SLinus Torvalds nfs_refresh_inode(data->inode, &data->fattr); 729ec06c096STrond Myklebust return 0; 7301da177e4SLinus Torvalds } 7311da177e4SLinus Torvalds 732bdc7f021STrond Myklebust static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) 7331da177e4SLinus Torvalds { 734bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; 7351da177e4SLinus Torvalds } 7361da177e4SLinus Torvalds 737788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 7381da177e4SLinus Torvalds { 739006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 740788e7a89STrond Myklebust return -EAGAIN; 7411da177e4SLinus Torvalds if (task->tk_status >= 0) 74270ca8852STrond Myklebust nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr); 743788e7a89STrond Myklebust return 0; 7441da177e4SLinus Torvalds } 7451da177e4SLinus Torvalds 746bdc7f021STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) 7471da177e4SLinus Torvalds { 748bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; 7491da177e4SLinus Torvalds } 7501da177e4SLinus Torvalds 751788e7a89STrond Myklebust static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data) 7521da177e4SLinus Torvalds { 753006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 754788e7a89STrond Myklebust return -EAGAIN; 7559e08a3c5STrond Myklebust nfs_refresh_inode(data->inode, data->res.fattr); 756788e7a89STrond Myklebust return 0; 7571da177e4SLinus Torvalds } 7581da177e4SLinus Torvalds 759bdc7f021STrond Myklebust static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg) 7601da177e4SLinus Torvalds { 761bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; 7621da177e4SLinus Torvalds } 7631da177e4SLinus Torvalds 7641da177e4SLinus Torvalds static int 7651da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 7661da177e4SLinus Torvalds { 7671093a60eSChuck Lever struct inode *inode = filp->f_path.dentry->d_inode; 7681093a60eSChuck Lever 7691093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 7701da177e4SLinus Torvalds } 7711da177e4SLinus Torvalds 772509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 7731da177e4SLinus Torvalds .version = 3, /* protocol version */ 7741da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 775b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 776b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 7771da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 7781da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 7791da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 7801da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 7811da177e4SLinus Torvalds .access = nfs3_proc_access, 7821da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 7831da177e4SLinus Torvalds .create = nfs3_proc_create, 7841da177e4SLinus Torvalds .remove = nfs3_proc_remove, 7851da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 7861da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 7871da177e4SLinus Torvalds .rename = nfs3_proc_rename, 7881da177e4SLinus Torvalds .link = nfs3_proc_link, 7891da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 7901da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 7911da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 7921da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 7931da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 7941da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 7951da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 7961da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 7971da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 7981da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 799ec06c096STrond Myklebust .read_done = nfs3_read_done, 8001da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 801788e7a89STrond Myklebust .write_done = nfs3_write_done, 8021da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 803788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 8041da177e4SLinus Torvalds .file_open = nfs_open, 8051da177e4SLinus Torvalds .file_release = nfs_release, 8061da177e4SLinus Torvalds .lock = nfs3_proc_lock, 8075c6a9f7dSAndreas Gruenbacher .clear_acl_cache = nfs3_forget_cached_acls, 8081da177e4SLinus Torvalds }; 809