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> 191da177e4SLinus Torvalds #include <linux/smp_lock.h> 20b7fa0554SAndreas Gruenbacher #include <linux/nfs_mount.h> 211da177e4SLinus Torvalds 22006ea73eSChuck Lever #include "iostat.h" 23006ea73eSChuck Lever 241da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds extern struct rpc_procinfo nfs3_procedures[]; 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds /* A wrapper to handle the EJUKEBOX error message */ 291da177e4SLinus Torvalds static int 301da177e4SLinus Torvalds nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 311da177e4SLinus Torvalds { 321da177e4SLinus Torvalds sigset_t oldset; 331da177e4SLinus Torvalds int res; 341da177e4SLinus Torvalds rpc_clnt_sigmask(clnt, &oldset); 351da177e4SLinus Torvalds do { 361da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 371da177e4SLinus Torvalds if (res != -EJUKEBOX) 381da177e4SLinus Torvalds break; 39041e0e3bSNishanth Aravamudan schedule_timeout_interruptible(NFS_JUKEBOX_RETRY_TIME); 401da177e4SLinus Torvalds res = -ERESTARTSYS; 411da177e4SLinus Torvalds } while (!signalled()); 421da177e4SLinus Torvalds rpc_clnt_sigunmask(clnt, &oldset); 431da177e4SLinus Torvalds return res; 441da177e4SLinus Torvalds } 451da177e4SLinus Torvalds 46dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds static int 49006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 501da177e4SLinus Torvalds { 511da177e4SLinus Torvalds if (task->tk_status != -EJUKEBOX) 521da177e4SLinus Torvalds return 0; 53006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 541da177e4SLinus Torvalds task->tk_status = 0; 551da177e4SLinus Torvalds rpc_restart_call(task); 561da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 571da177e4SLinus Torvalds return 1; 581da177e4SLinus Torvalds } 591da177e4SLinus Torvalds 6003c21733SJ. Bruce Fields static int 6103c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 6203c21733SJ. Bruce Fields struct nfs_fsinfo *info) 6303c21733SJ. Bruce Fields { 64dead28daSChuck Lever struct rpc_message msg = { 65dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 66dead28daSChuck Lever .rpc_argp = fhandle, 67dead28daSChuck Lever .rpc_resp = info, 68dead28daSChuck Lever }; 6903c21733SJ. Bruce Fields int status; 7003c21733SJ. Bruce Fields 7103c21733SJ. Bruce Fields dprintk("%s: call fsinfo\n", __FUNCTION__); 7203c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 73dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 7403c21733SJ. Bruce Fields dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status); 7503c21733SJ. Bruce Fields if (!(info->fattr->valid & NFS_ATTR_FATTR)) { 76dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 77dead28daSChuck Lever msg.rpc_resp = info->fattr; 78dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 7903c21733SJ. Bruce Fields dprintk("%s: reply getattr: %d\n", __FUNCTION__, status); 8003c21733SJ. Bruce Fields } 8103c21733SJ. Bruce Fields return status; 8203c21733SJ. Bruce Fields } 8303c21733SJ. Bruce Fields 841da177e4SLinus Torvalds /* 851da177e4SLinus Torvalds * Bare-bones access to getattr: this is for nfs_read_super. 861da177e4SLinus Torvalds */ 871da177e4SLinus Torvalds static int 881da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 891da177e4SLinus Torvalds struct nfs_fsinfo *info) 901da177e4SLinus Torvalds { 911da177e4SLinus Torvalds int status; 921da177e4SLinus Torvalds 9303c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 9403c21733SJ. Bruce Fields if (status && server->client_sys != server->client) 9503c21733SJ. Bruce Fields status = do_proc_get_root(server->client_sys, fhandle, info); 961da177e4SLinus Torvalds return status; 971da177e4SLinus Torvalds } 981da177e4SLinus Torvalds 991da177e4SLinus Torvalds /* 1001da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 1011da177e4SLinus Torvalds */ 1021da177e4SLinus Torvalds static int 1031da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1041da177e4SLinus Torvalds struct nfs_fattr *fattr) 1051da177e4SLinus Torvalds { 106dead28daSChuck Lever struct rpc_message msg = { 107dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], 108dead28daSChuck Lever .rpc_argp = fhandle, 109dead28daSChuck Lever .rpc_resp = fattr, 110dead28daSChuck Lever }; 1111da177e4SLinus Torvalds int status; 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1140e574af1STrond Myklebust nfs_fattr_init(fattr); 115dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1161da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1171da177e4SLinus Torvalds return status; 1181da177e4SLinus Torvalds } 1191da177e4SLinus Torvalds 1201da177e4SLinus Torvalds static int 1211da177e4SLinus Torvalds nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1221da177e4SLinus Torvalds struct iattr *sattr) 1231da177e4SLinus Torvalds { 1241da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1251da177e4SLinus Torvalds struct nfs3_sattrargs arg = { 1261da177e4SLinus Torvalds .fh = NFS_FH(inode), 1271da177e4SLinus Torvalds .sattr = sattr, 1281da177e4SLinus Torvalds }; 129dead28daSChuck Lever struct rpc_message msg = { 130dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], 131dead28daSChuck Lever .rpc_argp = &arg, 132dead28daSChuck Lever .rpc_resp = fattr, 133dead28daSChuck Lever }; 1341da177e4SLinus Torvalds int status; 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 1370e574af1STrond Myklebust nfs_fattr_init(fattr); 138dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 13965e4308dSTrond Myklebust if (status == 0) 14065e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1411da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1421da177e4SLinus Torvalds return status; 1431da177e4SLinus Torvalds } 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds static int 1461da177e4SLinus Torvalds nfs3_proc_lookup(struct inode *dir, struct qstr *name, 1471da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1481da177e4SLinus Torvalds { 1491da177e4SLinus Torvalds struct nfs_fattr dir_attr; 1501da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1511da177e4SLinus Torvalds .fh = NFS_FH(dir), 1521da177e4SLinus Torvalds .name = name->name, 1531da177e4SLinus Torvalds .len = name->len 1541da177e4SLinus Torvalds }; 1551da177e4SLinus Torvalds struct nfs3_diropres res = { 1561da177e4SLinus Torvalds .dir_attr = &dir_attr, 1571da177e4SLinus Torvalds .fh = fhandle, 1581da177e4SLinus Torvalds .fattr = fattr 1591da177e4SLinus Torvalds }; 160dead28daSChuck Lever struct rpc_message msg = { 161dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], 162dead28daSChuck Lever .rpc_argp = &arg, 163dead28daSChuck Lever .rpc_resp = &res, 164dead28daSChuck Lever }; 1651da177e4SLinus Torvalds int status; 1661da177e4SLinus Torvalds 1671da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 1680e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 1690e574af1STrond Myklebust nfs_fattr_init(fattr); 170dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 171dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 172dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 173dead28daSChuck Lever msg.rpc_argp = fhandle; 174dead28daSChuck Lever msg.rpc_resp = fattr; 175dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 176dead28daSChuck Lever } 1771da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1781da177e4SLinus Torvalds if (status >= 0) 1791da177e4SLinus Torvalds status = nfs_refresh_inode(dir, &dir_attr); 1801da177e4SLinus Torvalds return status; 1811da177e4SLinus Torvalds } 1821da177e4SLinus Torvalds 1831da177e4SLinus Torvalds static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 1841da177e4SLinus Torvalds { 1851da177e4SLinus Torvalds struct nfs_fattr fattr; 1861da177e4SLinus Torvalds struct nfs3_accessargs arg = { 1871da177e4SLinus Torvalds .fh = NFS_FH(inode), 1881da177e4SLinus Torvalds }; 1891da177e4SLinus Torvalds struct nfs3_accessres res = { 1901da177e4SLinus Torvalds .fattr = &fattr, 1911da177e4SLinus Torvalds }; 1921da177e4SLinus Torvalds struct rpc_message msg = { 1931da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], 1941da177e4SLinus Torvalds .rpc_argp = &arg, 1951da177e4SLinus Torvalds .rpc_resp = &res, 196dead28daSChuck Lever .rpc_cred = entry->cred, 1971da177e4SLinus Torvalds }; 1981da177e4SLinus Torvalds int mode = entry->mask; 1991da177e4SLinus Torvalds int status; 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvalds dprintk("NFS call access\n"); 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds if (mode & MAY_READ) 2041da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_READ; 2051da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 2061da177e4SLinus Torvalds if (mode & MAY_WRITE) 2071da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; 2081da177e4SLinus Torvalds if (mode & MAY_EXEC) 2091da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_LOOKUP; 2101da177e4SLinus Torvalds } else { 2111da177e4SLinus Torvalds if (mode & MAY_WRITE) 2121da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; 2131da177e4SLinus Torvalds if (mode & MAY_EXEC) 2141da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_EXECUTE; 2151da177e4SLinus Torvalds } 2160e574af1STrond Myklebust nfs_fattr_init(&fattr); 2171da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2181da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2191da177e4SLinus Torvalds if (status == 0) { 2201da177e4SLinus Torvalds entry->mask = 0; 2211da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2221da177e4SLinus Torvalds entry->mask |= MAY_READ; 2231da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2241da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2251da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2261da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2271da177e4SLinus Torvalds } 2281da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2291da177e4SLinus Torvalds return status; 2301da177e4SLinus Torvalds } 2311da177e4SLinus Torvalds 2321da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2331da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2341da177e4SLinus Torvalds { 2351da177e4SLinus Torvalds struct nfs_fattr fattr; 2361da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2371da177e4SLinus Torvalds .fh = NFS_FH(inode), 2381da177e4SLinus Torvalds .pgbase = pgbase, 2391da177e4SLinus Torvalds .pglen = pglen, 2401da177e4SLinus Torvalds .pages = &page 2411da177e4SLinus Torvalds }; 242dead28daSChuck Lever struct rpc_message msg = { 243dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 244dead28daSChuck Lever .rpc_argp = &args, 245dead28daSChuck Lever .rpc_resp = &fattr, 246dead28daSChuck Lever }; 2471da177e4SLinus Torvalds int status; 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2500e574af1STrond Myklebust nfs_fattr_init(&fattr); 251dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2521da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2531da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2541da177e4SLinus Torvalds return status; 2551da177e4SLinus Torvalds } 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds static int nfs3_proc_read(struct nfs_read_data *rdata) 2581da177e4SLinus Torvalds { 2591da177e4SLinus Torvalds int flags = rdata->flags; 2601da177e4SLinus Torvalds struct inode * inode = rdata->inode; 2611da177e4SLinus Torvalds struct nfs_fattr * fattr = rdata->res.fattr; 2621da177e4SLinus Torvalds struct rpc_message msg = { 2631da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READ], 2641da177e4SLinus Torvalds .rpc_argp = &rdata->args, 2651da177e4SLinus Torvalds .rpc_resp = &rdata->res, 2661da177e4SLinus Torvalds .rpc_cred = rdata->cred, 2671da177e4SLinus Torvalds }; 2681da177e4SLinus Torvalds int status; 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds dprintk("NFS call read %d @ %Ld\n", rdata->args.count, 2711da177e4SLinus Torvalds (long long) rdata->args.offset); 2720e574af1STrond Myklebust nfs_fattr_init(fattr); 2731da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 2741da177e4SLinus Torvalds if (status >= 0) 2751da177e4SLinus Torvalds nfs_refresh_inode(inode, fattr); 2761da177e4SLinus Torvalds dprintk("NFS reply read: %d\n", status); 2771da177e4SLinus Torvalds return status; 2781da177e4SLinus Torvalds } 2791da177e4SLinus Torvalds 2801da177e4SLinus Torvalds static int nfs3_proc_write(struct nfs_write_data *wdata) 2811da177e4SLinus Torvalds { 2821da177e4SLinus Torvalds int rpcflags = wdata->flags; 2831da177e4SLinus Torvalds struct inode * inode = wdata->inode; 2841da177e4SLinus Torvalds struct nfs_fattr * fattr = wdata->res.fattr; 2851da177e4SLinus Torvalds struct rpc_message msg = { 2861da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE], 2871da177e4SLinus Torvalds .rpc_argp = &wdata->args, 2881da177e4SLinus Torvalds .rpc_resp = &wdata->res, 2891da177e4SLinus Torvalds .rpc_cred = wdata->cred, 2901da177e4SLinus Torvalds }; 2911da177e4SLinus Torvalds int status; 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds dprintk("NFS call write %d @ %Ld\n", wdata->args.count, 2941da177e4SLinus Torvalds (long long) wdata->args.offset); 2950e574af1STrond Myklebust nfs_fattr_init(fattr); 2961da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, rpcflags); 2971da177e4SLinus Torvalds if (status >= 0) 298decf491fSTrond Myklebust nfs_post_op_update_inode(inode, fattr); 2991da177e4SLinus Torvalds dprintk("NFS reply write: %d\n", status); 3001da177e4SLinus Torvalds return status < 0? status : wdata->res.count; 3011da177e4SLinus Torvalds } 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvalds static int nfs3_proc_commit(struct nfs_write_data *cdata) 3041da177e4SLinus Torvalds { 3051da177e4SLinus Torvalds struct inode * inode = cdata->inode; 3061da177e4SLinus Torvalds struct nfs_fattr * fattr = cdata->res.fattr; 3071da177e4SLinus Torvalds struct rpc_message msg = { 3081da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT], 3091da177e4SLinus Torvalds .rpc_argp = &cdata->args, 3101da177e4SLinus Torvalds .rpc_resp = &cdata->res, 3111da177e4SLinus Torvalds .rpc_cred = cdata->cred, 3121da177e4SLinus Torvalds }; 3131da177e4SLinus Torvalds int status; 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds dprintk("NFS call commit %d @ %Ld\n", cdata->args.count, 3161da177e4SLinus Torvalds (long long) cdata->args.offset); 3170e574af1STrond Myklebust nfs_fattr_init(fattr); 3181da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 3191da177e4SLinus Torvalds if (status >= 0) 320decf491fSTrond Myklebust nfs_post_op_update_inode(inode, fattr); 3211da177e4SLinus Torvalds dprintk("NFS reply commit: %d\n", status); 3221da177e4SLinus Torvalds return status; 3231da177e4SLinus Torvalds } 3241da177e4SLinus Torvalds 3251da177e4SLinus Torvalds /* 3261da177e4SLinus Torvalds * Create a regular file. 3271da177e4SLinus Torvalds * For now, we don't implement O_EXCL. 3281da177e4SLinus Torvalds */ 3291da177e4SLinus Torvalds static int 3301da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 33102a913a7STrond Myklebust int flags, struct nameidata *nd) 3321da177e4SLinus Torvalds { 3331da177e4SLinus Torvalds struct nfs_fh fhandle; 3341da177e4SLinus Torvalds struct nfs_fattr fattr; 3351da177e4SLinus Torvalds struct nfs_fattr dir_attr; 3361da177e4SLinus Torvalds struct nfs3_createargs arg = { 3371da177e4SLinus Torvalds .fh = NFS_FH(dir), 3381da177e4SLinus Torvalds .name = dentry->d_name.name, 3391da177e4SLinus Torvalds .len = dentry->d_name.len, 3401da177e4SLinus Torvalds .sattr = sattr, 3411da177e4SLinus Torvalds }; 3421da177e4SLinus Torvalds struct nfs3_diropres res = { 3431da177e4SLinus Torvalds .dir_attr = &dir_attr, 3441da177e4SLinus Torvalds .fh = &fhandle, 3451da177e4SLinus Torvalds .fattr = &fattr 3461da177e4SLinus Torvalds }; 347dead28daSChuck Lever struct rpc_message msg = { 348dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_CREATE], 349dead28daSChuck Lever .rpc_argp = &arg, 350dead28daSChuck Lever .rpc_resp = &res, 351dead28daSChuck Lever }; 352055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 3531da177e4SLinus Torvalds int status; 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 3561da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 3571da177e4SLinus Torvalds if (flags & O_EXCL) { 3581da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_EXCLUSIVE; 3591da177e4SLinus Torvalds arg.verifier[0] = jiffies; 3601da177e4SLinus Torvalds arg.verifier[1] = current->pid; 3611da177e4SLinus Torvalds } 3621da177e4SLinus Torvalds 363055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 364055ffbeaSAndreas Gruenbacher 3651da177e4SLinus Torvalds again: 3660e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 3670e574af1STrond Myklebust nfs_fattr_init(&fattr); 368dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 369dead28daSChuck Lever nfs_refresh_inode(dir, &dir_attr); 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds /* If the server doesn't support the exclusive creation semantics, 3721da177e4SLinus Torvalds * try again with simple 'guarded' mode. */ 3731da177e4SLinus Torvalds if (status == NFSERR_NOTSUPP) { 3741da177e4SLinus Torvalds switch (arg.createmode) { 3751da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3761da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_GUARDED; 3771da177e4SLinus Torvalds break; 3781da177e4SLinus Torvalds 3791da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3801da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 3811da177e4SLinus Torvalds break; 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3841da177e4SLinus Torvalds goto out; 3851da177e4SLinus Torvalds } 3861da177e4SLinus Torvalds goto again; 3871da177e4SLinus Torvalds } 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds if (status == 0) 3901da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 3911da177e4SLinus Torvalds if (status != 0) 3921da177e4SLinus Torvalds goto out; 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3951da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3961da177e4SLinus Torvalds if (arg.createmode == NFS3_CREATE_EXCLUSIVE) { 3971da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 4001da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 4011da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 4021da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 4031da177e4SLinus Torvalds 4041da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 4051da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 4061da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 4071da177e4SLinus Torvalds status = nfs3_proc_setattr(dentry, &fattr, sattr); 40865e4308dSTrond Myklebust if (status == 0) 40965e4308dSTrond Myklebust nfs_setattr_update_inode(dentry->d_inode, sattr); 4101da177e4SLinus Torvalds nfs_refresh_inode(dentry->d_inode, &fattr); 4111da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 4121da177e4SLinus Torvalds } 413055ffbeaSAndreas Gruenbacher if (status != 0) 414055ffbeaSAndreas Gruenbacher goto out; 415055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 4161da177e4SLinus Torvalds out: 4171da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 4181da177e4SLinus Torvalds return status; 4191da177e4SLinus Torvalds } 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds static int 4221da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 4231da177e4SLinus Torvalds { 4241da177e4SLinus Torvalds struct nfs_fattr dir_attr; 4251da177e4SLinus Torvalds struct nfs3_diropargs arg = { 4261da177e4SLinus Torvalds .fh = NFS_FH(dir), 4271da177e4SLinus Torvalds .name = name->name, 4281da177e4SLinus Torvalds .len = name->len 4291da177e4SLinus Torvalds }; 4301da177e4SLinus Torvalds struct rpc_message msg = { 4311da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 4321da177e4SLinus Torvalds .rpc_argp = &arg, 4331da177e4SLinus Torvalds .rpc_resp = &dir_attr, 4341da177e4SLinus Torvalds }; 4351da177e4SLinus Torvalds int status; 4361da177e4SLinus Torvalds 4371da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 4380e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 4391da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 440decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 4411da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 4421da177e4SLinus Torvalds return status; 4431da177e4SLinus Torvalds } 4441da177e4SLinus Torvalds 4451da177e4SLinus Torvalds static int 4461da177e4SLinus Torvalds nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name) 4471da177e4SLinus Torvalds { 4481da177e4SLinus Torvalds struct unlinkxdr { 4491da177e4SLinus Torvalds struct nfs3_diropargs arg; 4501da177e4SLinus Torvalds struct nfs_fattr res; 4511da177e4SLinus Torvalds } *ptr; 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds ptr = (struct unlinkxdr *)kmalloc(sizeof(*ptr), GFP_KERNEL); 4541da177e4SLinus Torvalds if (!ptr) 4551da177e4SLinus Torvalds return -ENOMEM; 4561da177e4SLinus Torvalds ptr->arg.fh = NFS_FH(dir->d_inode); 4571da177e4SLinus Torvalds ptr->arg.name = name->name; 4581da177e4SLinus Torvalds ptr->arg.len = name->len; 4590e574af1STrond Myklebust nfs_fattr_init(&ptr->res); 4601da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 4611da177e4SLinus Torvalds msg->rpc_argp = &ptr->arg; 4621da177e4SLinus Torvalds msg->rpc_resp = &ptr->res; 4631da177e4SLinus Torvalds return 0; 4641da177e4SLinus Torvalds } 4651da177e4SLinus Torvalds 4661da177e4SLinus Torvalds static int 4671da177e4SLinus Torvalds nfs3_proc_unlink_done(struct dentry *dir, struct rpc_task *task) 4681da177e4SLinus Torvalds { 4691da177e4SLinus Torvalds struct rpc_message *msg = &task->tk_msg; 4701da177e4SLinus Torvalds struct nfs_fattr *dir_attr; 4711da177e4SLinus Torvalds 472006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, dir->d_inode)) 4731da177e4SLinus Torvalds return 1; 4741da177e4SLinus Torvalds if (msg->rpc_argp) { 4751da177e4SLinus Torvalds dir_attr = (struct nfs_fattr*)msg->rpc_resp; 476decf491fSTrond Myklebust nfs_post_op_update_inode(dir->d_inode, dir_attr); 4771da177e4SLinus Torvalds kfree(msg->rpc_argp); 4781da177e4SLinus Torvalds } 4791da177e4SLinus Torvalds return 0; 4801da177e4SLinus Torvalds } 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvalds static int 4831da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 4841da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 4851da177e4SLinus Torvalds { 4861da177e4SLinus Torvalds struct nfs_fattr old_dir_attr, new_dir_attr; 4871da177e4SLinus Torvalds struct nfs3_renameargs arg = { 4881da177e4SLinus Torvalds .fromfh = NFS_FH(old_dir), 4891da177e4SLinus Torvalds .fromname = old_name->name, 4901da177e4SLinus Torvalds .fromlen = old_name->len, 4911da177e4SLinus Torvalds .tofh = NFS_FH(new_dir), 4921da177e4SLinus Torvalds .toname = new_name->name, 4931da177e4SLinus Torvalds .tolen = new_name->len 4941da177e4SLinus Torvalds }; 4951da177e4SLinus Torvalds struct nfs3_renameres res = { 4961da177e4SLinus Torvalds .fromattr = &old_dir_attr, 4971da177e4SLinus Torvalds .toattr = &new_dir_attr 4981da177e4SLinus Torvalds }; 499dead28daSChuck Lever struct rpc_message msg = { 500dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 501dead28daSChuck Lever .rpc_argp = &arg, 502dead28daSChuck Lever .rpc_resp = &res, 503dead28daSChuck Lever }; 5041da177e4SLinus Torvalds int status; 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 5070e574af1STrond Myklebust nfs_fattr_init(&old_dir_attr); 5080e574af1STrond Myklebust nfs_fattr_init(&new_dir_attr); 509dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 510decf491fSTrond Myklebust nfs_post_op_update_inode(old_dir, &old_dir_attr); 511decf491fSTrond Myklebust nfs_post_op_update_inode(new_dir, &new_dir_attr); 5121da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 5131da177e4SLinus Torvalds return status; 5141da177e4SLinus Torvalds } 5151da177e4SLinus Torvalds 5161da177e4SLinus Torvalds static int 5171da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 5181da177e4SLinus Torvalds { 5191da177e4SLinus Torvalds struct nfs_fattr dir_attr, fattr; 5201da177e4SLinus Torvalds struct nfs3_linkargs arg = { 5211da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 5221da177e4SLinus Torvalds .tofh = NFS_FH(dir), 5231da177e4SLinus Torvalds .toname = name->name, 5241da177e4SLinus Torvalds .tolen = name->len 5251da177e4SLinus Torvalds }; 5261da177e4SLinus Torvalds struct nfs3_linkres res = { 5271da177e4SLinus Torvalds .dir_attr = &dir_attr, 5281da177e4SLinus Torvalds .fattr = &fattr 5291da177e4SLinus Torvalds }; 530dead28daSChuck Lever struct rpc_message msg = { 531dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 532dead28daSChuck Lever .rpc_argp = &arg, 533dead28daSChuck Lever .rpc_resp = &res, 534dead28daSChuck Lever }; 5351da177e4SLinus Torvalds int status; 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 5380e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 5390e574af1STrond Myklebust nfs_fattr_init(&fattr); 540dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 541decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 542decf491fSTrond Myklebust nfs_post_op_update_inode(inode, &fattr); 5431da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 5441da177e4SLinus Torvalds return status; 5451da177e4SLinus Torvalds } 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds static int 5481da177e4SLinus Torvalds nfs3_proc_symlink(struct inode *dir, struct qstr *name, struct qstr *path, 5491da177e4SLinus Torvalds struct iattr *sattr, struct nfs_fh *fhandle, 5501da177e4SLinus Torvalds struct nfs_fattr *fattr) 5511da177e4SLinus Torvalds { 5521da177e4SLinus Torvalds struct nfs_fattr dir_attr; 5531da177e4SLinus Torvalds struct nfs3_symlinkargs arg = { 5541da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 5551da177e4SLinus Torvalds .fromname = name->name, 5561da177e4SLinus Torvalds .fromlen = name->len, 5571da177e4SLinus Torvalds .topath = path->name, 5581da177e4SLinus Torvalds .tolen = path->len, 5591da177e4SLinus Torvalds .sattr = sattr 5601da177e4SLinus Torvalds }; 5611da177e4SLinus Torvalds struct nfs3_diropres res = { 5621da177e4SLinus Torvalds .dir_attr = &dir_attr, 5631da177e4SLinus Torvalds .fh = fhandle, 5641da177e4SLinus Torvalds .fattr = fattr 5651da177e4SLinus Torvalds }; 566dead28daSChuck Lever struct rpc_message msg = { 567dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK], 568dead28daSChuck Lever .rpc_argp = &arg, 569dead28daSChuck Lever .rpc_resp = &res, 570dead28daSChuck Lever }; 5711da177e4SLinus Torvalds int status; 5721da177e4SLinus Torvalds 5731da177e4SLinus Torvalds if (path->len > NFS3_MAXPATHLEN) 5741da177e4SLinus Torvalds return -ENAMETOOLONG; 5751da177e4SLinus Torvalds dprintk("NFS call symlink %s -> %s\n", name->name, path->name); 5760e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 5770e574af1STrond Myklebust nfs_fattr_init(fattr); 578dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 579decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 5801da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5811da177e4SLinus Torvalds return status; 5821da177e4SLinus Torvalds } 5831da177e4SLinus Torvalds 5841da177e4SLinus Torvalds static int 5851da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5861da177e4SLinus Torvalds { 5871da177e4SLinus Torvalds struct nfs_fh fhandle; 5881da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 5891da177e4SLinus Torvalds struct nfs3_mkdirargs arg = { 5901da177e4SLinus Torvalds .fh = NFS_FH(dir), 5911da177e4SLinus Torvalds .name = dentry->d_name.name, 5921da177e4SLinus Torvalds .len = dentry->d_name.len, 5931da177e4SLinus Torvalds .sattr = sattr 5941da177e4SLinus Torvalds }; 5951da177e4SLinus Torvalds struct nfs3_diropres res = { 5961da177e4SLinus Torvalds .dir_attr = &dir_attr, 5971da177e4SLinus Torvalds .fh = &fhandle, 5981da177e4SLinus Torvalds .fattr = &fattr 5991da177e4SLinus Torvalds }; 600dead28daSChuck Lever struct rpc_message msg = { 601dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR], 602dead28daSChuck Lever .rpc_argp = &arg, 603dead28daSChuck Lever .rpc_resp = &res, 604dead28daSChuck Lever }; 605055ffbeaSAndreas Gruenbacher int mode = sattr->ia_mode; 6061da177e4SLinus Torvalds int status; 6071da177e4SLinus Torvalds 6081da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 609055ffbeaSAndreas Gruenbacher 610055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 611055ffbeaSAndreas Gruenbacher 6120e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 6130e574af1STrond Myklebust nfs_fattr_init(&fattr); 614dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 615decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 616055ffbeaSAndreas Gruenbacher if (status != 0) 617055ffbeaSAndreas Gruenbacher goto out; 6181da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 619055ffbeaSAndreas Gruenbacher if (status != 0) 620055ffbeaSAndreas Gruenbacher goto out; 621055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 622055ffbeaSAndreas Gruenbacher out: 6231da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 6241da177e4SLinus Torvalds return status; 6251da177e4SLinus Torvalds } 6261da177e4SLinus Torvalds 6271da177e4SLinus Torvalds static int 6281da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 6291da177e4SLinus Torvalds { 6301da177e4SLinus Torvalds struct nfs_fattr dir_attr; 6311da177e4SLinus Torvalds struct nfs3_diropargs arg = { 6321da177e4SLinus Torvalds .fh = NFS_FH(dir), 6331da177e4SLinus Torvalds .name = name->name, 6341da177e4SLinus Torvalds .len = name->len 6351da177e4SLinus Torvalds }; 636dead28daSChuck Lever struct rpc_message msg = { 637dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 638dead28daSChuck Lever .rpc_argp = &arg, 639dead28daSChuck Lever .rpc_resp = &dir_attr, 640dead28daSChuck Lever }; 6411da177e4SLinus Torvalds int status; 6421da177e4SLinus Torvalds 6431da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 6440e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 645dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 646decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 6471da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 6481da177e4SLinus Torvalds return status; 6491da177e4SLinus Torvalds } 6501da177e4SLinus Torvalds 6511da177e4SLinus Torvalds /* 6521da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 6531da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 6541da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 6551da177e4SLinus Torvalds * sure the reply is syntactically correct. 6561da177e4SLinus Torvalds * 6571da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 6581da177e4SLinus Torvalds * readdirplus. 6591da177e4SLinus Torvalds */ 6601da177e4SLinus Torvalds static int 6611da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 6621da177e4SLinus Torvalds u64 cookie, struct page *page, unsigned int count, int plus) 6631da177e4SLinus Torvalds { 6641da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 6651da177e4SLinus Torvalds struct nfs_fattr dir_attr; 6661da177e4SLinus Torvalds u32 *verf = NFS_COOKIEVERF(dir); 6671da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6681da177e4SLinus Torvalds .fh = NFS_FH(dir), 6691da177e4SLinus Torvalds .cookie = cookie, 6701da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6711da177e4SLinus Torvalds .plus = plus, 6721da177e4SLinus Torvalds .count = count, 6731da177e4SLinus Torvalds .pages = &page 6741da177e4SLinus Torvalds }; 6751da177e4SLinus Torvalds struct nfs3_readdirres res = { 6761da177e4SLinus Torvalds .dir_attr = &dir_attr, 6771da177e4SLinus Torvalds .verf = verf, 6781da177e4SLinus Torvalds .plus = plus 6791da177e4SLinus Torvalds }; 6801da177e4SLinus Torvalds struct rpc_message msg = { 6811da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6821da177e4SLinus Torvalds .rpc_argp = &arg, 6831da177e4SLinus Torvalds .rpc_resp = &res, 6841da177e4SLinus Torvalds .rpc_cred = cred 6851da177e4SLinus Torvalds }; 6861da177e4SLinus Torvalds int status; 6871da177e4SLinus Torvalds 6881da177e4SLinus Torvalds lock_kernel(); 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds if (plus) 6911da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6921da177e4SLinus Torvalds 6931da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6941da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6951da177e4SLinus Torvalds 6960e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 6971da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 6981da177e4SLinus Torvalds nfs_refresh_inode(dir, &dir_attr); 6991da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 7001da177e4SLinus Torvalds unlock_kernel(); 7011da177e4SLinus Torvalds return status; 7021da177e4SLinus Torvalds } 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvalds static int 7051da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 7061da177e4SLinus Torvalds dev_t rdev) 7071da177e4SLinus Torvalds { 7081da177e4SLinus Torvalds struct nfs_fh fh; 7091da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 7101da177e4SLinus Torvalds struct nfs3_mknodargs arg = { 7111da177e4SLinus Torvalds .fh = NFS_FH(dir), 7121da177e4SLinus Torvalds .name = dentry->d_name.name, 7131da177e4SLinus Torvalds .len = dentry->d_name.len, 7141da177e4SLinus Torvalds .sattr = sattr, 7151da177e4SLinus Torvalds .rdev = rdev 7161da177e4SLinus Torvalds }; 7171da177e4SLinus Torvalds struct nfs3_diropres res = { 7181da177e4SLinus Torvalds .dir_attr = &dir_attr, 7191da177e4SLinus Torvalds .fh = &fh, 7201da177e4SLinus Torvalds .fattr = &fattr 7211da177e4SLinus Torvalds }; 722dead28daSChuck Lever struct rpc_message msg = { 723dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD], 724dead28daSChuck Lever .rpc_argp = &arg, 725dead28daSChuck Lever .rpc_resp = &res, 726dead28daSChuck Lever }; 727055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 7281da177e4SLinus Torvalds int status; 7291da177e4SLinus Torvalds 7301da177e4SLinus Torvalds switch (sattr->ia_mode & S_IFMT) { 7311da177e4SLinus Torvalds case S_IFBLK: arg.type = NF3BLK; break; 7321da177e4SLinus Torvalds case S_IFCHR: arg.type = NF3CHR; break; 7331da177e4SLinus Torvalds case S_IFIFO: arg.type = NF3FIFO; break; 7341da177e4SLinus Torvalds case S_IFSOCK: arg.type = NF3SOCK; break; 7351da177e4SLinus Torvalds default: return -EINVAL; 7361da177e4SLinus Torvalds } 7371da177e4SLinus Torvalds 7381da177e4SLinus Torvalds dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, 7391da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 740055ffbeaSAndreas Gruenbacher 741055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 742055ffbeaSAndreas Gruenbacher 7430e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 7440e574af1STrond Myklebust nfs_fattr_init(&fattr); 745dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 746decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 747055ffbeaSAndreas Gruenbacher if (status != 0) 748055ffbeaSAndreas Gruenbacher goto out; 7491da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fh, &fattr); 750055ffbeaSAndreas Gruenbacher if (status != 0) 751055ffbeaSAndreas Gruenbacher goto out; 752055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 753055ffbeaSAndreas Gruenbacher out: 7541da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 7551da177e4SLinus Torvalds return status; 7561da177e4SLinus Torvalds } 7571da177e4SLinus Torvalds 7581da177e4SLinus Torvalds static int 7591da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 7601da177e4SLinus Torvalds struct nfs_fsstat *stat) 7611da177e4SLinus Torvalds { 762dead28daSChuck Lever struct rpc_message msg = { 763dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 764dead28daSChuck Lever .rpc_argp = fhandle, 765dead28daSChuck Lever .rpc_resp = stat, 766dead28daSChuck Lever }; 7671da177e4SLinus Torvalds int status; 7681da177e4SLinus Torvalds 7691da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7700e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 771dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7721da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 7731da177e4SLinus Torvalds return status; 7741da177e4SLinus Torvalds } 7751da177e4SLinus Torvalds 7761da177e4SLinus Torvalds static int 7771da177e4SLinus Torvalds nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 7781da177e4SLinus Torvalds struct nfs_fsinfo *info) 7791da177e4SLinus Torvalds { 780dead28daSChuck Lever struct rpc_message msg = { 781dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 782dead28daSChuck Lever .rpc_argp = fhandle, 783dead28daSChuck Lever .rpc_resp = info, 784dead28daSChuck Lever }; 7851da177e4SLinus Torvalds int status; 7861da177e4SLinus Torvalds 7871da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7880e574af1STrond Myklebust nfs_fattr_init(info->fattr); 789dead28daSChuck Lever status = rpc_call_sync(server->client_sys, &msg, 0); 7901da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7911da177e4SLinus Torvalds return status; 7921da177e4SLinus Torvalds } 7931da177e4SLinus Torvalds 7941da177e4SLinus Torvalds static int 7951da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 7961da177e4SLinus Torvalds struct nfs_pathconf *info) 7971da177e4SLinus Torvalds { 798dead28daSChuck Lever struct rpc_message msg = { 799dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 800dead28daSChuck Lever .rpc_argp = fhandle, 801dead28daSChuck Lever .rpc_resp = info, 802dead28daSChuck Lever }; 8031da177e4SLinus Torvalds int status; 8041da177e4SLinus Torvalds 8051da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 8060e574af1STrond Myklebust nfs_fattr_init(info->fattr); 807dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 8081da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 8091da177e4SLinus Torvalds return status; 8101da177e4SLinus Torvalds } 8111da177e4SLinus Torvalds 8121da177e4SLinus Torvalds extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int); 8131da177e4SLinus Torvalds 814963d8fe5STrond Myklebust static void nfs3_read_done(struct rpc_task *task, void *calldata) 8151da177e4SLinus Torvalds { 816963d8fe5STrond Myklebust struct nfs_read_data *data = calldata; 8171da177e4SLinus Torvalds 818006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 8191da177e4SLinus Torvalds return; 8201da177e4SLinus Torvalds /* Call back common NFS readpage processing */ 8211da177e4SLinus Torvalds if (task->tk_status >= 0) 8221da177e4SLinus Torvalds nfs_refresh_inode(data->inode, &data->fattr); 823963d8fe5STrond Myklebust nfs_readpage_result(task, calldata); 8241da177e4SLinus Torvalds } 8251da177e4SLinus Torvalds 826963d8fe5STrond Myklebust static const struct rpc_call_ops nfs3_read_ops = { 827963d8fe5STrond Myklebust .rpc_call_done = nfs3_read_done, 828963d8fe5STrond Myklebust .rpc_release = nfs_readdata_release, 829963d8fe5STrond Myklebust }; 830963d8fe5STrond Myklebust 8311da177e4SLinus Torvalds static void 8321da177e4SLinus Torvalds nfs3_proc_read_setup(struct nfs_read_data *data) 8331da177e4SLinus Torvalds { 8341da177e4SLinus Torvalds struct rpc_task *task = &data->task; 8351da177e4SLinus Torvalds struct inode *inode = data->inode; 8361da177e4SLinus Torvalds int flags; 8371da177e4SLinus Torvalds struct rpc_message msg = { 8381da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READ], 8391da177e4SLinus Torvalds .rpc_argp = &data->args, 8401da177e4SLinus Torvalds .rpc_resp = &data->res, 8411da177e4SLinus Torvalds .rpc_cred = data->cred, 8421da177e4SLinus Torvalds }; 8431da177e4SLinus Torvalds 8441da177e4SLinus Torvalds /* N.B. Do we need to test? Never called for swapfile inode */ 8451da177e4SLinus Torvalds flags = RPC_TASK_ASYNC | (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0); 8461da177e4SLinus Torvalds 8471da177e4SLinus Torvalds /* Finalize the task. */ 848963d8fe5STrond Myklebust rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_read_ops, data); 8491da177e4SLinus Torvalds rpc_call_setup(task, &msg, 0); 8501da177e4SLinus Torvalds } 8511da177e4SLinus Torvalds 852788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 8531da177e4SLinus Torvalds { 854006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 855788e7a89STrond Myklebust return -EAGAIN; 8561da177e4SLinus Torvalds if (task->tk_status >= 0) 857decf491fSTrond Myklebust nfs_post_op_update_inode(data->inode, data->res.fattr); 858788e7a89STrond Myklebust return 0; 8591da177e4SLinus Torvalds } 8601da177e4SLinus Torvalds 861788e7a89STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, int how) 8621da177e4SLinus Torvalds { 8631da177e4SLinus Torvalds struct rpc_message msg = { 8641da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE], 8651da177e4SLinus Torvalds .rpc_argp = &data->args, 8661da177e4SLinus Torvalds .rpc_resp = &data->res, 8671da177e4SLinus Torvalds .rpc_cred = data->cred, 8681da177e4SLinus Torvalds }; 8691da177e4SLinus Torvalds 870788e7a89STrond Myklebust data->args.stable = NFS_UNSTABLE; 8711da177e4SLinus Torvalds if (how & FLUSH_STABLE) { 872788e7a89STrond Myklebust data->args.stable = NFS_FILE_SYNC; 873788e7a89STrond Myklebust if (NFS_I(data->inode)->ncommit) 874788e7a89STrond Myklebust data->args.stable = NFS_DATA_SYNC; 875788e7a89STrond Myklebust } 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvalds /* Finalize the task. */ 878788e7a89STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 8791da177e4SLinus Torvalds } 8801da177e4SLinus Torvalds 881788e7a89STrond Myklebust static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data) 8821da177e4SLinus Torvalds { 883006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 884788e7a89STrond Myklebust return -EAGAIN; 8851da177e4SLinus Torvalds if (task->tk_status >= 0) 886decf491fSTrond Myklebust nfs_post_op_update_inode(data->inode, data->res.fattr); 887788e7a89STrond Myklebust return 0; 8881da177e4SLinus Torvalds } 8891da177e4SLinus Torvalds 890788e7a89STrond Myklebust static void nfs3_proc_commit_setup(struct nfs_write_data *data, int how) 8911da177e4SLinus Torvalds { 8921da177e4SLinus Torvalds struct rpc_message msg = { 8931da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT], 8941da177e4SLinus Torvalds .rpc_argp = &data->args, 8951da177e4SLinus Torvalds .rpc_resp = &data->res, 8961da177e4SLinus Torvalds .rpc_cred = data->cred, 8971da177e4SLinus Torvalds }; 8981da177e4SLinus Torvalds 899788e7a89STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 9001da177e4SLinus Torvalds } 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds static int 9031da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 9041da177e4SLinus Torvalds { 9051da177e4SLinus Torvalds return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl); 9061da177e4SLinus Torvalds } 9071da177e4SLinus Torvalds 9081da177e4SLinus Torvalds struct nfs_rpc_ops nfs_v3_clientops = { 9091da177e4SLinus Torvalds .version = 3, /* protocol version */ 9101da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 911b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 912b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 9131da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 9141da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 9151da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 9161da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 9171da177e4SLinus Torvalds .access = nfs3_proc_access, 9181da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 9191da177e4SLinus Torvalds .read = nfs3_proc_read, 9201da177e4SLinus Torvalds .write = nfs3_proc_write, 9211da177e4SLinus Torvalds .commit = nfs3_proc_commit, 9221da177e4SLinus Torvalds .create = nfs3_proc_create, 9231da177e4SLinus Torvalds .remove = nfs3_proc_remove, 9241da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 9251da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 9261da177e4SLinus Torvalds .rename = nfs3_proc_rename, 9271da177e4SLinus Torvalds .link = nfs3_proc_link, 9281da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 9291da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 9301da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 9311da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 9321da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 9331da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 9341da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 9351da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 9361da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 9371da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 9381da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 939788e7a89STrond Myklebust .write_done = nfs3_write_done, 9401da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 941788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 9421da177e4SLinus Torvalds .file_open = nfs_open, 9431da177e4SLinus Torvalds .file_release = nfs_release, 9441da177e4SLinus Torvalds .lock = nfs3_proc_lock, 9455c6a9f7dSAndreas Gruenbacher .clear_acl_cache = nfs3_forget_cached_acls, 9461da177e4SLinus Torvalds }; 947