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 sigset_t oldset; 311da177e4SLinus Torvalds int res; 321da177e4SLinus Torvalds rpc_clnt_sigmask(clnt, &oldset); 331da177e4SLinus Torvalds do { 341da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 351da177e4SLinus Torvalds if (res != -EJUKEBOX) 361da177e4SLinus Torvalds break; 37041e0e3bSNishanth Aravamudan schedule_timeout_interruptible(NFS_JUKEBOX_RETRY_TIME); 381da177e4SLinus Torvalds res = -ERESTARTSYS; 391da177e4SLinus Torvalds } while (!signalled()); 401da177e4SLinus Torvalds rpc_clnt_sigunmask(clnt, &oldset); 411da177e4SLinus Torvalds return res; 421da177e4SLinus Torvalds } 431da177e4SLinus Torvalds 44dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds static int 47006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 481da177e4SLinus Torvalds { 491da177e4SLinus Torvalds if (task->tk_status != -EJUKEBOX) 501da177e4SLinus Torvalds return 0; 51006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 521da177e4SLinus Torvalds task->tk_status = 0; 531da177e4SLinus Torvalds rpc_restart_call(task); 541da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 551da177e4SLinus Torvalds return 1; 561da177e4SLinus Torvalds } 571da177e4SLinus Torvalds 5803c21733SJ. Bruce Fields static int 5903c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 6003c21733SJ. Bruce Fields struct nfs_fsinfo *info) 6103c21733SJ. Bruce Fields { 62dead28daSChuck Lever struct rpc_message msg = { 63dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 64dead28daSChuck Lever .rpc_argp = fhandle, 65dead28daSChuck Lever .rpc_resp = info, 66dead28daSChuck Lever }; 6703c21733SJ. Bruce Fields int status; 6803c21733SJ. Bruce Fields 6903c21733SJ. Bruce Fields dprintk("%s: call fsinfo\n", __FUNCTION__); 7003c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 71dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 7203c21733SJ. Bruce Fields dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status); 7303c21733SJ. Bruce Fields if (!(info->fattr->valid & NFS_ATTR_FATTR)) { 74dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 75dead28daSChuck Lever msg.rpc_resp = info->fattr; 76dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 7703c21733SJ. Bruce Fields dprintk("%s: reply getattr: %d\n", __FUNCTION__, status); 7803c21733SJ. Bruce Fields } 7903c21733SJ. Bruce Fields return status; 8003c21733SJ. Bruce Fields } 8103c21733SJ. Bruce Fields 821da177e4SLinus Torvalds /* 8354ceac45SDavid Howells * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb 841da177e4SLinus Torvalds */ 851da177e4SLinus Torvalds static int 861da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 871da177e4SLinus Torvalds struct nfs_fsinfo *info) 881da177e4SLinus Torvalds { 891da177e4SLinus Torvalds int status; 901da177e4SLinus Torvalds 9103c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 925006a76cSDavid Howells if (status && server->nfs_client->cl_rpcclient != server->client) 935006a76cSDavid Howells status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); 941da177e4SLinus Torvalds return status; 951da177e4SLinus Torvalds } 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds /* 981da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 991da177e4SLinus Torvalds */ 1001da177e4SLinus Torvalds static int 1011da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1021da177e4SLinus Torvalds struct nfs_fattr *fattr) 1031da177e4SLinus Torvalds { 104dead28daSChuck Lever struct rpc_message msg = { 105dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], 106dead28daSChuck Lever .rpc_argp = fhandle, 107dead28daSChuck Lever .rpc_resp = fattr, 108dead28daSChuck Lever }; 1091da177e4SLinus Torvalds int status; 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1120e574af1STrond Myklebust nfs_fattr_init(fattr); 113dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1141da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1151da177e4SLinus Torvalds return status; 1161da177e4SLinus Torvalds } 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds static int 1191da177e4SLinus Torvalds nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1201da177e4SLinus Torvalds struct iattr *sattr) 1211da177e4SLinus Torvalds { 1221da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1231da177e4SLinus Torvalds struct nfs3_sattrargs arg = { 1241da177e4SLinus Torvalds .fh = NFS_FH(inode), 1251da177e4SLinus Torvalds .sattr = sattr, 1261da177e4SLinus Torvalds }; 127dead28daSChuck Lever struct rpc_message msg = { 128dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], 129dead28daSChuck Lever .rpc_argp = &arg, 130dead28daSChuck Lever .rpc_resp = fattr, 131dead28daSChuck Lever }; 1321da177e4SLinus Torvalds int status; 1331da177e4SLinus Torvalds 1341da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 1350e574af1STrond Myklebust nfs_fattr_init(fattr); 136dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 13765e4308dSTrond Myklebust if (status == 0) 13865e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1391da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1401da177e4SLinus Torvalds return status; 1411da177e4SLinus Torvalds } 1421da177e4SLinus Torvalds 1431da177e4SLinus Torvalds static int 1441da177e4SLinus Torvalds nfs3_proc_lookup(struct inode *dir, struct qstr *name, 1451da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1461da177e4SLinus Torvalds { 1471da177e4SLinus Torvalds struct nfs_fattr dir_attr; 1481da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1491da177e4SLinus Torvalds .fh = NFS_FH(dir), 1501da177e4SLinus Torvalds .name = name->name, 1511da177e4SLinus Torvalds .len = name->len 1521da177e4SLinus Torvalds }; 1531da177e4SLinus Torvalds struct nfs3_diropres res = { 1541da177e4SLinus Torvalds .dir_attr = &dir_attr, 1551da177e4SLinus Torvalds .fh = fhandle, 1561da177e4SLinus Torvalds .fattr = fattr 1571da177e4SLinus Torvalds }; 158dead28daSChuck Lever struct rpc_message msg = { 159dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], 160dead28daSChuck Lever .rpc_argp = &arg, 161dead28daSChuck Lever .rpc_resp = &res, 162dead28daSChuck Lever }; 1631da177e4SLinus Torvalds int status; 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 1660e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 1670e574af1STrond Myklebust nfs_fattr_init(fattr); 168dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 169dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 170dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 171dead28daSChuck Lever msg.rpc_argp = fhandle; 172dead28daSChuck Lever msg.rpc_resp = fattr; 173dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 174dead28daSChuck Lever } 1751da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1761da177e4SLinus Torvalds if (status >= 0) 1771da177e4SLinus Torvalds status = nfs_refresh_inode(dir, &dir_attr); 1781da177e4SLinus Torvalds return status; 1791da177e4SLinus Torvalds } 1801da177e4SLinus Torvalds 1811da177e4SLinus Torvalds static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 1821da177e4SLinus Torvalds { 1831da177e4SLinus Torvalds struct nfs_fattr fattr; 1841da177e4SLinus Torvalds struct nfs3_accessargs arg = { 1851da177e4SLinus Torvalds .fh = NFS_FH(inode), 1861da177e4SLinus Torvalds }; 1871da177e4SLinus Torvalds struct nfs3_accessres res = { 1881da177e4SLinus Torvalds .fattr = &fattr, 1891da177e4SLinus Torvalds }; 1901da177e4SLinus Torvalds struct rpc_message msg = { 1911da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], 1921da177e4SLinus Torvalds .rpc_argp = &arg, 1931da177e4SLinus Torvalds .rpc_resp = &res, 194dead28daSChuck Lever .rpc_cred = entry->cred, 1951da177e4SLinus Torvalds }; 1961da177e4SLinus Torvalds int mode = entry->mask; 1971da177e4SLinus Torvalds int status; 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds dprintk("NFS call access\n"); 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvalds if (mode & MAY_READ) 2021da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_READ; 2031da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 2041da177e4SLinus Torvalds if (mode & MAY_WRITE) 2051da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; 2061da177e4SLinus Torvalds if (mode & MAY_EXEC) 2071da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_LOOKUP; 2081da177e4SLinus Torvalds } else { 2091da177e4SLinus Torvalds if (mode & MAY_WRITE) 2101da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; 2111da177e4SLinus Torvalds if (mode & MAY_EXEC) 2121da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_EXECUTE; 2131da177e4SLinus Torvalds } 2140e574af1STrond Myklebust nfs_fattr_init(&fattr); 2151da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2161da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2171da177e4SLinus Torvalds if (status == 0) { 2181da177e4SLinus Torvalds entry->mask = 0; 2191da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2201da177e4SLinus Torvalds entry->mask |= MAY_READ; 2211da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2221da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2231da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2241da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2251da177e4SLinus Torvalds } 2261da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2271da177e4SLinus Torvalds return status; 2281da177e4SLinus Torvalds } 2291da177e4SLinus Torvalds 2301da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2311da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2321da177e4SLinus Torvalds { 2331da177e4SLinus Torvalds struct nfs_fattr fattr; 2341da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2351da177e4SLinus Torvalds .fh = NFS_FH(inode), 2361da177e4SLinus Torvalds .pgbase = pgbase, 2371da177e4SLinus Torvalds .pglen = pglen, 2381da177e4SLinus Torvalds .pages = &page 2391da177e4SLinus Torvalds }; 240dead28daSChuck Lever struct rpc_message msg = { 241dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 242dead28daSChuck Lever .rpc_argp = &args, 243dead28daSChuck Lever .rpc_resp = &fattr, 244dead28daSChuck Lever }; 2451da177e4SLinus Torvalds int status; 2461da177e4SLinus Torvalds 2471da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2480e574af1STrond Myklebust nfs_fattr_init(&fattr); 249dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2501da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2511da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2521da177e4SLinus Torvalds return status; 2531da177e4SLinus Torvalds } 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds /* 2561da177e4SLinus Torvalds * Create a regular file. 2571da177e4SLinus Torvalds * For now, we don't implement O_EXCL. 2581da177e4SLinus Torvalds */ 2591da177e4SLinus Torvalds static int 2601da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 26102a913a7STrond Myklebust int flags, struct nameidata *nd) 2621da177e4SLinus Torvalds { 2631da177e4SLinus Torvalds struct nfs_fh fhandle; 2641da177e4SLinus Torvalds struct nfs_fattr fattr; 2651da177e4SLinus Torvalds struct nfs_fattr dir_attr; 2661da177e4SLinus Torvalds struct nfs3_createargs arg = { 2671da177e4SLinus Torvalds .fh = NFS_FH(dir), 2681da177e4SLinus Torvalds .name = dentry->d_name.name, 2691da177e4SLinus Torvalds .len = dentry->d_name.len, 2701da177e4SLinus Torvalds .sattr = sattr, 2711da177e4SLinus Torvalds }; 2721da177e4SLinus Torvalds struct nfs3_diropres res = { 2731da177e4SLinus Torvalds .dir_attr = &dir_attr, 2741da177e4SLinus Torvalds .fh = &fhandle, 2751da177e4SLinus Torvalds .fattr = &fattr 2761da177e4SLinus Torvalds }; 277dead28daSChuck Lever struct rpc_message msg = { 278dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_CREATE], 279dead28daSChuck Lever .rpc_argp = &arg, 280dead28daSChuck Lever .rpc_resp = &res, 281dead28daSChuck Lever }; 282055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 2831da177e4SLinus Torvalds int status; 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 2861da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 2871da177e4SLinus Torvalds if (flags & O_EXCL) { 2881da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_EXCLUSIVE; 2891da177e4SLinus Torvalds arg.verifier[0] = jiffies; 2901da177e4SLinus Torvalds arg.verifier[1] = current->pid; 2911da177e4SLinus Torvalds } 2921da177e4SLinus Torvalds 293055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 294055ffbeaSAndreas Gruenbacher 2951da177e4SLinus Torvalds again: 2960e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 2970e574af1STrond Myklebust nfs_fattr_init(&fattr); 298dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 299dead28daSChuck Lever nfs_refresh_inode(dir, &dir_attr); 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvalds /* If the server doesn't support the exclusive creation semantics, 3021da177e4SLinus Torvalds * try again with simple 'guarded' mode. */ 30346b9f8e1SAndy Ryan if (status == -ENOTSUPP) { 3041da177e4SLinus Torvalds switch (arg.createmode) { 3051da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3061da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_GUARDED; 3071da177e4SLinus Torvalds break; 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3101da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 3111da177e4SLinus Torvalds break; 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3141da177e4SLinus Torvalds goto out; 3151da177e4SLinus Torvalds } 3161da177e4SLinus Torvalds goto again; 3171da177e4SLinus Torvalds } 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvalds if (status == 0) 3201da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 3211da177e4SLinus Torvalds if (status != 0) 3221da177e4SLinus Torvalds goto out; 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3251da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3261da177e4SLinus Torvalds if (arg.createmode == NFS3_CREATE_EXCLUSIVE) { 3271da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3281da177e4SLinus Torvalds 3291da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3301da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 3311da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 3321da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 3351da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 3361da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 3371da177e4SLinus Torvalds status = nfs3_proc_setattr(dentry, &fattr, sattr); 338e2f032e9STrond Myklebust nfs_post_op_update_inode(dentry->d_inode, &fattr); 3391da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 3401da177e4SLinus Torvalds } 341055ffbeaSAndreas Gruenbacher if (status != 0) 342055ffbeaSAndreas Gruenbacher goto out; 343055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 3441da177e4SLinus Torvalds out: 3451da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 3461da177e4SLinus Torvalds return status; 3471da177e4SLinus Torvalds } 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds static int 3501da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 3511da177e4SLinus Torvalds { 3521da177e4SLinus Torvalds struct nfs_fattr dir_attr; 3531da177e4SLinus Torvalds struct nfs3_diropargs arg = { 3541da177e4SLinus Torvalds .fh = NFS_FH(dir), 3551da177e4SLinus Torvalds .name = name->name, 3561da177e4SLinus Torvalds .len = name->len 3571da177e4SLinus Torvalds }; 3581da177e4SLinus Torvalds struct rpc_message msg = { 3591da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 3601da177e4SLinus Torvalds .rpc_argp = &arg, 3611da177e4SLinus Torvalds .rpc_resp = &dir_attr, 3621da177e4SLinus Torvalds }; 3631da177e4SLinus Torvalds int status; 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 3660e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 3671da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 368decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 3691da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 3701da177e4SLinus Torvalds return status; 3711da177e4SLinus Torvalds } 3721da177e4SLinus Torvalds 3731da177e4SLinus Torvalds static int 3741da177e4SLinus Torvalds nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name) 3751da177e4SLinus Torvalds { 3761da177e4SLinus Torvalds struct unlinkxdr { 3771da177e4SLinus Torvalds struct nfs3_diropargs arg; 3781da177e4SLinus Torvalds struct nfs_fattr res; 3791da177e4SLinus Torvalds } *ptr; 3801da177e4SLinus Torvalds 381f52720caSPanagiotis Issaris ptr = kmalloc(sizeof(*ptr), GFP_KERNEL); 3821da177e4SLinus Torvalds if (!ptr) 3831da177e4SLinus Torvalds return -ENOMEM; 3841da177e4SLinus Torvalds ptr->arg.fh = NFS_FH(dir->d_inode); 3851da177e4SLinus Torvalds ptr->arg.name = name->name; 3861da177e4SLinus Torvalds ptr->arg.len = name->len; 3870e574af1STrond Myklebust nfs_fattr_init(&ptr->res); 3881da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 3891da177e4SLinus Torvalds msg->rpc_argp = &ptr->arg; 3901da177e4SLinus Torvalds msg->rpc_resp = &ptr->res; 3911da177e4SLinus Torvalds return 0; 3921da177e4SLinus Torvalds } 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds static int 3951da177e4SLinus Torvalds nfs3_proc_unlink_done(struct dentry *dir, struct rpc_task *task) 3961da177e4SLinus Torvalds { 3971da177e4SLinus Torvalds struct rpc_message *msg = &task->tk_msg; 3981da177e4SLinus Torvalds struct nfs_fattr *dir_attr; 3991da177e4SLinus Torvalds 400006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, dir->d_inode)) 4011da177e4SLinus Torvalds return 1; 4021da177e4SLinus Torvalds if (msg->rpc_argp) { 4031da177e4SLinus Torvalds dir_attr = (struct nfs_fattr*)msg->rpc_resp; 404decf491fSTrond Myklebust nfs_post_op_update_inode(dir->d_inode, dir_attr); 4051da177e4SLinus Torvalds kfree(msg->rpc_argp); 4061da177e4SLinus Torvalds } 4071da177e4SLinus Torvalds return 0; 4081da177e4SLinus Torvalds } 4091da177e4SLinus Torvalds 4101da177e4SLinus Torvalds static int 4111da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 4121da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 4131da177e4SLinus Torvalds { 4141da177e4SLinus Torvalds struct nfs_fattr old_dir_attr, new_dir_attr; 4151da177e4SLinus Torvalds struct nfs3_renameargs arg = { 4161da177e4SLinus Torvalds .fromfh = NFS_FH(old_dir), 4171da177e4SLinus Torvalds .fromname = old_name->name, 4181da177e4SLinus Torvalds .fromlen = old_name->len, 4191da177e4SLinus Torvalds .tofh = NFS_FH(new_dir), 4201da177e4SLinus Torvalds .toname = new_name->name, 4211da177e4SLinus Torvalds .tolen = new_name->len 4221da177e4SLinus Torvalds }; 4231da177e4SLinus Torvalds struct nfs3_renameres res = { 4241da177e4SLinus Torvalds .fromattr = &old_dir_attr, 4251da177e4SLinus Torvalds .toattr = &new_dir_attr 4261da177e4SLinus Torvalds }; 427dead28daSChuck Lever struct rpc_message msg = { 428dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 429dead28daSChuck Lever .rpc_argp = &arg, 430dead28daSChuck Lever .rpc_resp = &res, 431dead28daSChuck Lever }; 4321da177e4SLinus Torvalds int status; 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 4350e574af1STrond Myklebust nfs_fattr_init(&old_dir_attr); 4360e574af1STrond Myklebust nfs_fattr_init(&new_dir_attr); 437dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 438decf491fSTrond Myklebust nfs_post_op_update_inode(old_dir, &old_dir_attr); 439decf491fSTrond Myklebust nfs_post_op_update_inode(new_dir, &new_dir_attr); 4401da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 4411da177e4SLinus Torvalds return status; 4421da177e4SLinus Torvalds } 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds static int 4451da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 4461da177e4SLinus Torvalds { 4471da177e4SLinus Torvalds struct nfs_fattr dir_attr, fattr; 4481da177e4SLinus Torvalds struct nfs3_linkargs arg = { 4491da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 4501da177e4SLinus Torvalds .tofh = NFS_FH(dir), 4511da177e4SLinus Torvalds .toname = name->name, 4521da177e4SLinus Torvalds .tolen = name->len 4531da177e4SLinus Torvalds }; 4541da177e4SLinus Torvalds struct nfs3_linkres res = { 4551da177e4SLinus Torvalds .dir_attr = &dir_attr, 4561da177e4SLinus Torvalds .fattr = &fattr 4571da177e4SLinus Torvalds }; 458dead28daSChuck Lever struct rpc_message msg = { 459dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 460dead28daSChuck Lever .rpc_argp = &arg, 461dead28daSChuck Lever .rpc_resp = &res, 462dead28daSChuck Lever }; 4631da177e4SLinus Torvalds int status; 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 4660e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 4670e574af1STrond Myklebust nfs_fattr_init(&fattr); 468dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 469decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 470decf491fSTrond Myklebust nfs_post_op_update_inode(inode, &fattr); 4711da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 4721da177e4SLinus Torvalds return status; 4731da177e4SLinus Torvalds } 4741da177e4SLinus Torvalds 4751da177e4SLinus Torvalds static int 47694a6d753SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 47794a6d753SChuck Lever unsigned int len, struct iattr *sattr) 4781da177e4SLinus Torvalds { 4794f390c15SChuck Lever struct nfs_fh fhandle; 4804f390c15SChuck Lever struct nfs_fattr fattr, dir_attr; 4811da177e4SLinus Torvalds struct nfs3_symlinkargs arg = { 4821da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 4834f390c15SChuck Lever .fromname = dentry->d_name.name, 4844f390c15SChuck Lever .fromlen = dentry->d_name.len, 48594a6d753SChuck Lever .pages = &page, 48694a6d753SChuck Lever .pathlen = len, 4871da177e4SLinus Torvalds .sattr = sattr 4881da177e4SLinus Torvalds }; 4891da177e4SLinus Torvalds struct nfs3_diropres res = { 4901da177e4SLinus Torvalds .dir_attr = &dir_attr, 4914f390c15SChuck Lever .fh = &fhandle, 4924f390c15SChuck Lever .fattr = &fattr 4931da177e4SLinus Torvalds }; 494dead28daSChuck Lever struct rpc_message msg = { 495dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK], 496dead28daSChuck Lever .rpc_argp = &arg, 497dead28daSChuck Lever .rpc_resp = &res, 498dead28daSChuck Lever }; 4991da177e4SLinus Torvalds int status; 5001da177e4SLinus Torvalds 50194a6d753SChuck Lever if (len > NFS3_MAXPATHLEN) 5021da177e4SLinus Torvalds return -ENAMETOOLONG; 5034f390c15SChuck Lever 50494a6d753SChuck Lever dprintk("NFS call symlink %s\n", dentry->d_name.name); 50594a6d753SChuck Lever 5060e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 5074f390c15SChuck Lever nfs_fattr_init(&fattr); 508dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 509decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 5104f390c15SChuck Lever if (status != 0) 5114f390c15SChuck Lever goto out; 5124f390c15SChuck Lever status = nfs_instantiate(dentry, &fhandle, &fattr); 5134f390c15SChuck Lever out: 5141da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5151da177e4SLinus Torvalds return status; 5161da177e4SLinus Torvalds } 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds static int 5191da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5201da177e4SLinus Torvalds { 5211da177e4SLinus Torvalds struct nfs_fh fhandle; 5221da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 5231da177e4SLinus Torvalds struct nfs3_mkdirargs arg = { 5241da177e4SLinus Torvalds .fh = NFS_FH(dir), 5251da177e4SLinus Torvalds .name = dentry->d_name.name, 5261da177e4SLinus Torvalds .len = dentry->d_name.len, 5271da177e4SLinus Torvalds .sattr = sattr 5281da177e4SLinus Torvalds }; 5291da177e4SLinus Torvalds struct nfs3_diropres res = { 5301da177e4SLinus Torvalds .dir_attr = &dir_attr, 5311da177e4SLinus Torvalds .fh = &fhandle, 5321da177e4SLinus Torvalds .fattr = &fattr 5331da177e4SLinus Torvalds }; 534dead28daSChuck Lever struct rpc_message msg = { 535dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR], 536dead28daSChuck Lever .rpc_argp = &arg, 537dead28daSChuck Lever .rpc_resp = &res, 538dead28daSChuck Lever }; 539055ffbeaSAndreas Gruenbacher int mode = sattr->ia_mode; 5401da177e4SLinus Torvalds int status; 5411da177e4SLinus Torvalds 5421da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 543055ffbeaSAndreas Gruenbacher 544055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 545055ffbeaSAndreas Gruenbacher 5460e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 5470e574af1STrond Myklebust nfs_fattr_init(&fattr); 548dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 549decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 550055ffbeaSAndreas Gruenbacher if (status != 0) 551055ffbeaSAndreas Gruenbacher goto out; 5521da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 553055ffbeaSAndreas Gruenbacher if (status != 0) 554055ffbeaSAndreas Gruenbacher goto out; 555055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 556055ffbeaSAndreas Gruenbacher out: 5571da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 5581da177e4SLinus Torvalds return status; 5591da177e4SLinus Torvalds } 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds static int 5621da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 5631da177e4SLinus Torvalds { 5641da177e4SLinus Torvalds struct nfs_fattr dir_attr; 5651da177e4SLinus Torvalds struct nfs3_diropargs arg = { 5661da177e4SLinus Torvalds .fh = NFS_FH(dir), 5671da177e4SLinus Torvalds .name = name->name, 5681da177e4SLinus Torvalds .len = name->len 5691da177e4SLinus Torvalds }; 570dead28daSChuck Lever struct rpc_message msg = { 571dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 572dead28daSChuck Lever .rpc_argp = &arg, 573dead28daSChuck Lever .rpc_resp = &dir_attr, 574dead28daSChuck Lever }; 5751da177e4SLinus Torvalds int status; 5761da177e4SLinus Torvalds 5771da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 5780e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 579dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 580decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 5811da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 5821da177e4SLinus Torvalds return status; 5831da177e4SLinus Torvalds } 5841da177e4SLinus Torvalds 5851da177e4SLinus Torvalds /* 5861da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 5871da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 5881da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 5891da177e4SLinus Torvalds * sure the reply is syntactically correct. 5901da177e4SLinus Torvalds * 5911da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 5921da177e4SLinus Torvalds * readdirplus. 5931da177e4SLinus Torvalds */ 5941da177e4SLinus Torvalds static int 5951da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 5961da177e4SLinus Torvalds u64 cookie, struct page *page, unsigned int count, int plus) 5971da177e4SLinus Torvalds { 5981da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 5991da177e4SLinus Torvalds struct nfs_fattr dir_attr; 600bc4785cdSAl Viro __be32 *verf = NFS_COOKIEVERF(dir); 6011da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6021da177e4SLinus Torvalds .fh = NFS_FH(dir), 6031da177e4SLinus Torvalds .cookie = cookie, 6041da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6051da177e4SLinus Torvalds .plus = plus, 6061da177e4SLinus Torvalds .count = count, 6071da177e4SLinus Torvalds .pages = &page 6081da177e4SLinus Torvalds }; 6091da177e4SLinus Torvalds struct nfs3_readdirres res = { 6101da177e4SLinus Torvalds .dir_attr = &dir_attr, 6111da177e4SLinus Torvalds .verf = verf, 6121da177e4SLinus Torvalds .plus = plus 6131da177e4SLinus Torvalds }; 6141da177e4SLinus Torvalds struct rpc_message msg = { 6151da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6161da177e4SLinus Torvalds .rpc_argp = &arg, 6171da177e4SLinus Torvalds .rpc_resp = &res, 6181da177e4SLinus Torvalds .rpc_cred = cred 6191da177e4SLinus Torvalds }; 6201da177e4SLinus Torvalds int status; 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds if (plus) 6231da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6241da177e4SLinus Torvalds 6251da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6261da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6271da177e4SLinus Torvalds 6280e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 6291da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 6301da177e4SLinus Torvalds nfs_refresh_inode(dir, &dir_attr); 6311da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 6321da177e4SLinus Torvalds return status; 6331da177e4SLinus Torvalds } 6341da177e4SLinus Torvalds 6351da177e4SLinus Torvalds static int 6361da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 6371da177e4SLinus Torvalds dev_t rdev) 6381da177e4SLinus Torvalds { 6391da177e4SLinus Torvalds struct nfs_fh fh; 6401da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 6411da177e4SLinus Torvalds struct nfs3_mknodargs arg = { 6421da177e4SLinus Torvalds .fh = NFS_FH(dir), 6431da177e4SLinus Torvalds .name = dentry->d_name.name, 6441da177e4SLinus Torvalds .len = dentry->d_name.len, 6451da177e4SLinus Torvalds .sattr = sattr, 6461da177e4SLinus Torvalds .rdev = rdev 6471da177e4SLinus Torvalds }; 6481da177e4SLinus Torvalds struct nfs3_diropres res = { 6491da177e4SLinus Torvalds .dir_attr = &dir_attr, 6501da177e4SLinus Torvalds .fh = &fh, 6511da177e4SLinus Torvalds .fattr = &fattr 6521da177e4SLinus Torvalds }; 653dead28daSChuck Lever struct rpc_message msg = { 654dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD], 655dead28daSChuck Lever .rpc_argp = &arg, 656dead28daSChuck Lever .rpc_resp = &res, 657dead28daSChuck Lever }; 658055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 6591da177e4SLinus Torvalds int status; 6601da177e4SLinus Torvalds 6611da177e4SLinus Torvalds switch (sattr->ia_mode & S_IFMT) { 6621da177e4SLinus Torvalds case S_IFBLK: arg.type = NF3BLK; break; 6631da177e4SLinus Torvalds case S_IFCHR: arg.type = NF3CHR; break; 6641da177e4SLinus Torvalds case S_IFIFO: arg.type = NF3FIFO; break; 6651da177e4SLinus Torvalds case S_IFSOCK: arg.type = NF3SOCK; break; 6661da177e4SLinus Torvalds default: return -EINVAL; 6671da177e4SLinus Torvalds } 6681da177e4SLinus Torvalds 6691da177e4SLinus Torvalds dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, 6701da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 671055ffbeaSAndreas Gruenbacher 672055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 673055ffbeaSAndreas Gruenbacher 6740e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 6750e574af1STrond Myklebust nfs_fattr_init(&fattr); 676dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 677decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 678055ffbeaSAndreas Gruenbacher if (status != 0) 679055ffbeaSAndreas Gruenbacher goto out; 6801da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fh, &fattr); 681055ffbeaSAndreas Gruenbacher if (status != 0) 682055ffbeaSAndreas Gruenbacher goto out; 683055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 684055ffbeaSAndreas Gruenbacher out: 6851da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 6861da177e4SLinus Torvalds return status; 6871da177e4SLinus Torvalds } 6881da177e4SLinus Torvalds 6891da177e4SLinus Torvalds static int 6901da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 6911da177e4SLinus Torvalds struct nfs_fsstat *stat) 6921da177e4SLinus Torvalds { 693dead28daSChuck Lever struct rpc_message msg = { 694dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 695dead28daSChuck Lever .rpc_argp = fhandle, 696dead28daSChuck Lever .rpc_resp = stat, 697dead28daSChuck Lever }; 6981da177e4SLinus Torvalds int status; 6991da177e4SLinus Torvalds 7001da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7010e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 702dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7031da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 7041da177e4SLinus Torvalds return status; 7051da177e4SLinus Torvalds } 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds static int 7081da177e4SLinus Torvalds nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 7091da177e4SLinus Torvalds struct nfs_fsinfo *info) 7101da177e4SLinus Torvalds { 711dead28daSChuck Lever struct rpc_message msg = { 712dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 713dead28daSChuck Lever .rpc_argp = fhandle, 714dead28daSChuck Lever .rpc_resp = info, 715dead28daSChuck Lever }; 7161da177e4SLinus Torvalds int status; 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7190e574af1STrond Myklebust nfs_fattr_init(info->fattr); 7205006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 7211da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7221da177e4SLinus Torvalds return status; 7231da177e4SLinus Torvalds } 7241da177e4SLinus Torvalds 7251da177e4SLinus Torvalds static int 7261da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 7271da177e4SLinus Torvalds struct nfs_pathconf *info) 7281da177e4SLinus Torvalds { 729dead28daSChuck Lever struct rpc_message msg = { 730dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 731dead28daSChuck Lever .rpc_argp = fhandle, 732dead28daSChuck Lever .rpc_resp = info, 733dead28daSChuck Lever }; 7341da177e4SLinus Torvalds int status; 7351da177e4SLinus Torvalds 7361da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 7370e574af1STrond Myklebust nfs_fattr_init(info->fattr); 738dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7391da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 7401da177e4SLinus Torvalds return status; 7411da177e4SLinus Torvalds } 7421da177e4SLinus Torvalds 743ec06c096STrond Myklebust static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) 7441da177e4SLinus Torvalds { 745006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 746ec06c096STrond Myklebust return -EAGAIN; 7471da177e4SLinus Torvalds /* Call back common NFS readpage processing */ 7481da177e4SLinus Torvalds if (task->tk_status >= 0) 7491da177e4SLinus Torvalds nfs_refresh_inode(data->inode, &data->fattr); 750ec06c096STrond Myklebust return 0; 7511da177e4SLinus Torvalds } 7521da177e4SLinus Torvalds 753ec06c096STrond Myklebust static void nfs3_proc_read_setup(struct nfs_read_data *data) 7541da177e4SLinus Torvalds { 7551da177e4SLinus Torvalds struct rpc_message msg = { 7561da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READ], 7571da177e4SLinus Torvalds .rpc_argp = &data->args, 7581da177e4SLinus Torvalds .rpc_resp = &data->res, 7591da177e4SLinus Torvalds .rpc_cred = data->cred, 7601da177e4SLinus Torvalds }; 7611da177e4SLinus Torvalds 762ec06c096STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 7631da177e4SLinus Torvalds } 7641da177e4SLinus Torvalds 765788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 7661da177e4SLinus Torvalds { 767006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 768788e7a89STrond Myklebust return -EAGAIN; 7691da177e4SLinus Torvalds if (task->tk_status >= 0) 770decf491fSTrond Myklebust nfs_post_op_update_inode(data->inode, data->res.fattr); 771788e7a89STrond Myklebust return 0; 7721da177e4SLinus Torvalds } 7731da177e4SLinus Torvalds 774788e7a89STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, int how) 7751da177e4SLinus Torvalds { 7761da177e4SLinus Torvalds struct rpc_message msg = { 7771da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE], 7781da177e4SLinus Torvalds .rpc_argp = &data->args, 7791da177e4SLinus Torvalds .rpc_resp = &data->res, 7801da177e4SLinus Torvalds .rpc_cred = data->cred, 7811da177e4SLinus Torvalds }; 7821da177e4SLinus Torvalds 783788e7a89STrond Myklebust data->args.stable = NFS_UNSTABLE; 7841da177e4SLinus Torvalds if (how & FLUSH_STABLE) { 785788e7a89STrond Myklebust data->args.stable = NFS_FILE_SYNC; 786788e7a89STrond Myklebust if (NFS_I(data->inode)->ncommit) 787788e7a89STrond Myklebust data->args.stable = NFS_DATA_SYNC; 788788e7a89STrond Myklebust } 7891da177e4SLinus Torvalds 7901da177e4SLinus Torvalds /* Finalize the task. */ 791788e7a89STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 7921da177e4SLinus Torvalds } 7931da177e4SLinus Torvalds 794788e7a89STrond Myklebust static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data) 7951da177e4SLinus Torvalds { 796006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 797788e7a89STrond Myklebust return -EAGAIN; 7981da177e4SLinus Torvalds if (task->tk_status >= 0) 799decf491fSTrond Myklebust nfs_post_op_update_inode(data->inode, data->res.fattr); 800788e7a89STrond Myklebust return 0; 8011da177e4SLinus Torvalds } 8021da177e4SLinus Torvalds 803788e7a89STrond Myklebust static void nfs3_proc_commit_setup(struct nfs_write_data *data, int how) 8041da177e4SLinus Torvalds { 8051da177e4SLinus Torvalds struct rpc_message msg = { 8061da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT], 8071da177e4SLinus Torvalds .rpc_argp = &data->args, 8081da177e4SLinus Torvalds .rpc_resp = &data->res, 8091da177e4SLinus Torvalds .rpc_cred = data->cred, 8101da177e4SLinus Torvalds }; 8111da177e4SLinus Torvalds 812788e7a89STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 8131da177e4SLinus Torvalds } 8141da177e4SLinus Torvalds 8151da177e4SLinus Torvalds static int 8161da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 8171da177e4SLinus Torvalds { 81801cce933SJosef "Jeff" Sipek return nlmclnt_proc(filp->f_path.dentry->d_inode, cmd, fl); 8191da177e4SLinus Torvalds } 8201da177e4SLinus Torvalds 821509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 8221da177e4SLinus Torvalds .version = 3, /* protocol version */ 8231da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 824b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 825b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 8261da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 8271da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 8281da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 8291da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 8301da177e4SLinus Torvalds .access = nfs3_proc_access, 8311da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 8321da177e4SLinus Torvalds .create = nfs3_proc_create, 8331da177e4SLinus Torvalds .remove = nfs3_proc_remove, 8341da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 8351da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 8361da177e4SLinus Torvalds .rename = nfs3_proc_rename, 8371da177e4SLinus Torvalds .link = nfs3_proc_link, 8381da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 8391da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 8401da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 8411da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 8421da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 8431da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 8441da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 8451da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 8461da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 8471da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 848ec06c096STrond Myklebust .read_done = nfs3_read_done, 8491da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 850788e7a89STrond Myklebust .write_done = nfs3_write_done, 8511da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 852788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 8531da177e4SLinus Torvalds .file_open = nfs_open, 8541da177e4SLinus Torvalds .file_release = nfs_release, 8551da177e4SLinus Torvalds .lock = nfs3_proc_lock, 8565c6a9f7dSAndreas Gruenbacher .clear_acl_cache = nfs3_forget_cached_acls, 8571da177e4SLinus Torvalds }; 858