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" 23f7b422b1SDavid Howells #include "internal.h" 24006ea73eSChuck Lever 251da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds /* A wrapper to handle the EJUKEBOX error message */ 281da177e4SLinus Torvalds static int 291da177e4SLinus Torvalds nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 301da177e4SLinus Torvalds { 311da177e4SLinus Torvalds sigset_t oldset; 321da177e4SLinus Torvalds int res; 331da177e4SLinus Torvalds rpc_clnt_sigmask(clnt, &oldset); 341da177e4SLinus Torvalds do { 351da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 361da177e4SLinus Torvalds if (res != -EJUKEBOX) 371da177e4SLinus Torvalds break; 38041e0e3bSNishanth Aravamudan schedule_timeout_interruptible(NFS_JUKEBOX_RETRY_TIME); 391da177e4SLinus Torvalds res = -ERESTARTSYS; 401da177e4SLinus Torvalds } while (!signalled()); 411da177e4SLinus Torvalds rpc_clnt_sigunmask(clnt, &oldset); 421da177e4SLinus Torvalds return res; 431da177e4SLinus Torvalds } 441da177e4SLinus Torvalds 45dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds static int 48006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 491da177e4SLinus Torvalds { 501da177e4SLinus Torvalds if (task->tk_status != -EJUKEBOX) 511da177e4SLinus Torvalds return 0; 52006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 531da177e4SLinus Torvalds task->tk_status = 0; 541da177e4SLinus Torvalds rpc_restart_call(task); 551da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 561da177e4SLinus Torvalds return 1; 571da177e4SLinus Torvalds } 581da177e4SLinus Torvalds 5903c21733SJ. Bruce Fields static int 6003c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 6103c21733SJ. Bruce Fields struct nfs_fsinfo *info) 6203c21733SJ. Bruce Fields { 63dead28daSChuck Lever struct rpc_message msg = { 64dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 65dead28daSChuck Lever .rpc_argp = fhandle, 66dead28daSChuck Lever .rpc_resp = info, 67dead28daSChuck Lever }; 6803c21733SJ. Bruce Fields int status; 6903c21733SJ. Bruce Fields 7003c21733SJ. Bruce Fields dprintk("%s: call fsinfo\n", __FUNCTION__); 7103c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 72dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 7303c21733SJ. Bruce Fields dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status); 7403c21733SJ. Bruce Fields if (!(info->fattr->valid & NFS_ATTR_FATTR)) { 75dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 76dead28daSChuck Lever msg.rpc_resp = info->fattr; 77dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 7803c21733SJ. Bruce Fields dprintk("%s: reply getattr: %d\n", __FUNCTION__, status); 7903c21733SJ. Bruce Fields } 8003c21733SJ. Bruce Fields return status; 8103c21733SJ. Bruce Fields } 8203c21733SJ. Bruce Fields 831da177e4SLinus Torvalds /* 8454ceac45SDavid Howells * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb 851da177e4SLinus Torvalds */ 861da177e4SLinus Torvalds static int 871da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 881da177e4SLinus Torvalds struct nfs_fsinfo *info) 891da177e4SLinus Torvalds { 901da177e4SLinus Torvalds int status; 911da177e4SLinus Torvalds 9203c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 935006a76cSDavid Howells if (status && server->nfs_client->cl_rpcclient != server->client) 945006a76cSDavid Howells status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); 951da177e4SLinus Torvalds return status; 961da177e4SLinus Torvalds } 971da177e4SLinus Torvalds 981da177e4SLinus Torvalds /* 991da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 1001da177e4SLinus Torvalds */ 1011da177e4SLinus Torvalds static int 1021da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1031da177e4SLinus Torvalds struct nfs_fattr *fattr) 1041da177e4SLinus Torvalds { 105dead28daSChuck Lever struct rpc_message msg = { 106dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], 107dead28daSChuck Lever .rpc_argp = fhandle, 108dead28daSChuck Lever .rpc_resp = fattr, 109dead28daSChuck Lever }; 1101da177e4SLinus Torvalds int status; 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1130e574af1STrond Myklebust nfs_fattr_init(fattr); 114dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1151da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1161da177e4SLinus Torvalds return status; 1171da177e4SLinus Torvalds } 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds static int 1201da177e4SLinus Torvalds nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1211da177e4SLinus Torvalds struct iattr *sattr) 1221da177e4SLinus Torvalds { 1231da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1241da177e4SLinus Torvalds struct nfs3_sattrargs arg = { 1251da177e4SLinus Torvalds .fh = NFS_FH(inode), 1261da177e4SLinus Torvalds .sattr = sattr, 1271da177e4SLinus Torvalds }; 128dead28daSChuck Lever struct rpc_message msg = { 129dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], 130dead28daSChuck Lever .rpc_argp = &arg, 131dead28daSChuck Lever .rpc_resp = fattr, 132dead28daSChuck Lever }; 1331da177e4SLinus Torvalds int status; 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 1360e574af1STrond Myklebust nfs_fattr_init(fattr); 137dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 13865e4308dSTrond Myklebust if (status == 0) 13965e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1401da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1411da177e4SLinus Torvalds return status; 1421da177e4SLinus Torvalds } 1431da177e4SLinus Torvalds 1441da177e4SLinus Torvalds static int 1451da177e4SLinus Torvalds nfs3_proc_lookup(struct inode *dir, struct qstr *name, 1461da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1471da177e4SLinus Torvalds { 1481da177e4SLinus Torvalds struct nfs_fattr dir_attr; 1491da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1501da177e4SLinus Torvalds .fh = NFS_FH(dir), 1511da177e4SLinus Torvalds .name = name->name, 1521da177e4SLinus Torvalds .len = name->len 1531da177e4SLinus Torvalds }; 1541da177e4SLinus Torvalds struct nfs3_diropres res = { 1551da177e4SLinus Torvalds .dir_attr = &dir_attr, 1561da177e4SLinus Torvalds .fh = fhandle, 1571da177e4SLinus Torvalds .fattr = fattr 1581da177e4SLinus Torvalds }; 159dead28daSChuck Lever struct rpc_message msg = { 160dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], 161dead28daSChuck Lever .rpc_argp = &arg, 162dead28daSChuck Lever .rpc_resp = &res, 163dead28daSChuck Lever }; 1641da177e4SLinus Torvalds int status; 1651da177e4SLinus Torvalds 1661da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 1670e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 1680e574af1STrond Myklebust nfs_fattr_init(fattr); 169dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 170dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 171dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 172dead28daSChuck Lever msg.rpc_argp = fhandle; 173dead28daSChuck Lever msg.rpc_resp = fattr; 174dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 175dead28daSChuck Lever } 1761da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1771da177e4SLinus Torvalds if (status >= 0) 1781da177e4SLinus Torvalds status = nfs_refresh_inode(dir, &dir_attr); 1791da177e4SLinus Torvalds return status; 1801da177e4SLinus Torvalds } 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 1831da177e4SLinus Torvalds { 1841da177e4SLinus Torvalds struct nfs_fattr fattr; 1851da177e4SLinus Torvalds struct nfs3_accessargs arg = { 1861da177e4SLinus Torvalds .fh = NFS_FH(inode), 1871da177e4SLinus Torvalds }; 1881da177e4SLinus Torvalds struct nfs3_accessres res = { 1891da177e4SLinus Torvalds .fattr = &fattr, 1901da177e4SLinus Torvalds }; 1911da177e4SLinus Torvalds struct rpc_message msg = { 1921da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], 1931da177e4SLinus Torvalds .rpc_argp = &arg, 1941da177e4SLinus Torvalds .rpc_resp = &res, 195dead28daSChuck Lever .rpc_cred = entry->cred, 1961da177e4SLinus Torvalds }; 1971da177e4SLinus Torvalds int mode = entry->mask; 1981da177e4SLinus Torvalds int status; 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds dprintk("NFS call access\n"); 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds if (mode & MAY_READ) 2031da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_READ; 2041da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 2051da177e4SLinus Torvalds if (mode & MAY_WRITE) 2061da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; 2071da177e4SLinus Torvalds if (mode & MAY_EXEC) 2081da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_LOOKUP; 2091da177e4SLinus Torvalds } else { 2101da177e4SLinus Torvalds if (mode & MAY_WRITE) 2111da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; 2121da177e4SLinus Torvalds if (mode & MAY_EXEC) 2131da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_EXECUTE; 2141da177e4SLinus Torvalds } 2150e574af1STrond Myklebust nfs_fattr_init(&fattr); 2161da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2171da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2181da177e4SLinus Torvalds if (status == 0) { 2191da177e4SLinus Torvalds entry->mask = 0; 2201da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2211da177e4SLinus Torvalds entry->mask |= MAY_READ; 2221da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2231da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2241da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2251da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2261da177e4SLinus Torvalds } 2271da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2281da177e4SLinus Torvalds return status; 2291da177e4SLinus Torvalds } 2301da177e4SLinus Torvalds 2311da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2321da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2331da177e4SLinus Torvalds { 2341da177e4SLinus Torvalds struct nfs_fattr fattr; 2351da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2361da177e4SLinus Torvalds .fh = NFS_FH(inode), 2371da177e4SLinus Torvalds .pgbase = pgbase, 2381da177e4SLinus Torvalds .pglen = pglen, 2391da177e4SLinus Torvalds .pages = &page 2401da177e4SLinus Torvalds }; 241dead28daSChuck Lever struct rpc_message msg = { 242dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 243dead28daSChuck Lever .rpc_argp = &args, 244dead28daSChuck Lever .rpc_resp = &fattr, 245dead28daSChuck Lever }; 2461da177e4SLinus Torvalds int status; 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2490e574af1STrond Myklebust nfs_fattr_init(&fattr); 250dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2511da177e4SLinus Torvalds nfs_refresh_inode(inode, &fattr); 2521da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2531da177e4SLinus Torvalds return status; 2541da177e4SLinus Torvalds } 2551da177e4SLinus Torvalds 2561da177e4SLinus Torvalds static int nfs3_proc_read(struct nfs_read_data *rdata) 2571da177e4SLinus Torvalds { 2581da177e4SLinus Torvalds int flags = rdata->flags; 2591da177e4SLinus Torvalds struct inode * inode = rdata->inode; 2601da177e4SLinus Torvalds struct nfs_fattr * fattr = rdata->res.fattr; 2611da177e4SLinus Torvalds struct rpc_message msg = { 2621da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READ], 2631da177e4SLinus Torvalds .rpc_argp = &rdata->args, 2641da177e4SLinus Torvalds .rpc_resp = &rdata->res, 2651da177e4SLinus Torvalds .rpc_cred = rdata->cred, 2661da177e4SLinus Torvalds }; 2671da177e4SLinus Torvalds int status; 2681da177e4SLinus Torvalds 2691da177e4SLinus Torvalds dprintk("NFS call read %d @ %Ld\n", rdata->args.count, 2701da177e4SLinus Torvalds (long long) rdata->args.offset); 2710e574af1STrond Myklebust nfs_fattr_init(fattr); 2721da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); 2731da177e4SLinus Torvalds if (status >= 0) 2741da177e4SLinus Torvalds nfs_refresh_inode(inode, fattr); 2751da177e4SLinus Torvalds dprintk("NFS reply read: %d\n", status); 2761da177e4SLinus Torvalds return status; 2771da177e4SLinus Torvalds } 2781da177e4SLinus Torvalds 2791da177e4SLinus Torvalds static int nfs3_proc_write(struct nfs_write_data *wdata) 2801da177e4SLinus Torvalds { 2811da177e4SLinus Torvalds int rpcflags = wdata->flags; 2821da177e4SLinus Torvalds struct inode * inode = wdata->inode; 2831da177e4SLinus Torvalds struct nfs_fattr * fattr = wdata->res.fattr; 2841da177e4SLinus Torvalds struct rpc_message msg = { 2851da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE], 2861da177e4SLinus Torvalds .rpc_argp = &wdata->args, 2871da177e4SLinus Torvalds .rpc_resp = &wdata->res, 2881da177e4SLinus Torvalds .rpc_cred = wdata->cred, 2891da177e4SLinus Torvalds }; 2901da177e4SLinus Torvalds int status; 2911da177e4SLinus Torvalds 2921da177e4SLinus Torvalds dprintk("NFS call write %d @ %Ld\n", wdata->args.count, 2931da177e4SLinus Torvalds (long long) wdata->args.offset); 2940e574af1STrond Myklebust nfs_fattr_init(fattr); 2951da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, rpcflags); 2961da177e4SLinus Torvalds if (status >= 0) 297decf491fSTrond Myklebust nfs_post_op_update_inode(inode, fattr); 2981da177e4SLinus Torvalds dprintk("NFS reply write: %d\n", status); 2991da177e4SLinus Torvalds return status < 0? status : wdata->res.count; 3001da177e4SLinus Torvalds } 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds static int nfs3_proc_commit(struct nfs_write_data *cdata) 3031da177e4SLinus Torvalds { 3041da177e4SLinus Torvalds struct inode * inode = cdata->inode; 3051da177e4SLinus Torvalds struct nfs_fattr * fattr = cdata->res.fattr; 3061da177e4SLinus Torvalds struct rpc_message msg = { 3071da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT], 3081da177e4SLinus Torvalds .rpc_argp = &cdata->args, 3091da177e4SLinus Torvalds .rpc_resp = &cdata->res, 3101da177e4SLinus Torvalds .rpc_cred = cdata->cred, 3111da177e4SLinus Torvalds }; 3121da177e4SLinus Torvalds int status; 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds dprintk("NFS call commit %d @ %Ld\n", cdata->args.count, 3151da177e4SLinus Torvalds (long long) cdata->args.offset); 3160e574af1STrond Myklebust nfs_fattr_init(fattr); 3171da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 3181da177e4SLinus Torvalds if (status >= 0) 319decf491fSTrond Myklebust nfs_post_op_update_inode(inode, fattr); 3201da177e4SLinus Torvalds dprintk("NFS reply commit: %d\n", status); 3211da177e4SLinus Torvalds return status; 3221da177e4SLinus Torvalds } 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds /* 3251da177e4SLinus Torvalds * Create a regular file. 3261da177e4SLinus Torvalds * For now, we don't implement O_EXCL. 3271da177e4SLinus Torvalds */ 3281da177e4SLinus Torvalds static int 3291da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 33002a913a7STrond Myklebust int flags, struct nameidata *nd) 3311da177e4SLinus Torvalds { 3321da177e4SLinus Torvalds struct nfs_fh fhandle; 3331da177e4SLinus Torvalds struct nfs_fattr fattr; 3341da177e4SLinus Torvalds struct nfs_fattr dir_attr; 3351da177e4SLinus Torvalds struct nfs3_createargs arg = { 3361da177e4SLinus Torvalds .fh = NFS_FH(dir), 3371da177e4SLinus Torvalds .name = dentry->d_name.name, 3381da177e4SLinus Torvalds .len = dentry->d_name.len, 3391da177e4SLinus Torvalds .sattr = sattr, 3401da177e4SLinus Torvalds }; 3411da177e4SLinus Torvalds struct nfs3_diropres res = { 3421da177e4SLinus Torvalds .dir_attr = &dir_attr, 3431da177e4SLinus Torvalds .fh = &fhandle, 3441da177e4SLinus Torvalds .fattr = &fattr 3451da177e4SLinus Torvalds }; 346dead28daSChuck Lever struct rpc_message msg = { 347dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_CREATE], 348dead28daSChuck Lever .rpc_argp = &arg, 349dead28daSChuck Lever .rpc_resp = &res, 350dead28daSChuck Lever }; 351055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 3521da177e4SLinus Torvalds int status; 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 3551da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 3561da177e4SLinus Torvalds if (flags & O_EXCL) { 3571da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_EXCLUSIVE; 3581da177e4SLinus Torvalds arg.verifier[0] = jiffies; 3591da177e4SLinus Torvalds arg.verifier[1] = current->pid; 3601da177e4SLinus Torvalds } 3611da177e4SLinus Torvalds 362055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 363055ffbeaSAndreas Gruenbacher 3641da177e4SLinus Torvalds again: 3650e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 3660e574af1STrond Myklebust nfs_fattr_init(&fattr); 367dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 368dead28daSChuck Lever nfs_refresh_inode(dir, &dir_attr); 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds /* If the server doesn't support the exclusive creation semantics, 3711da177e4SLinus Torvalds * try again with simple 'guarded' mode. */ 3721da177e4SLinus Torvalds if (status == NFSERR_NOTSUPP) { 3731da177e4SLinus Torvalds switch (arg.createmode) { 3741da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3751da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_GUARDED; 3761da177e4SLinus Torvalds break; 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3791da177e4SLinus Torvalds arg.createmode = NFS3_CREATE_UNCHECKED; 3801da177e4SLinus Torvalds break; 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3831da177e4SLinus Torvalds goto out; 3841da177e4SLinus Torvalds } 3851da177e4SLinus Torvalds goto again; 3861da177e4SLinus Torvalds } 3871da177e4SLinus Torvalds 3881da177e4SLinus Torvalds if (status == 0) 3891da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 3901da177e4SLinus Torvalds if (status != 0) 3911da177e4SLinus Torvalds goto out; 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3941da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3951da177e4SLinus Torvalds if (arg.createmode == NFS3_CREATE_EXCLUSIVE) { 3961da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3991da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 4001da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 4011da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 4021da177e4SLinus Torvalds 4031da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 4041da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 4051da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 4061da177e4SLinus Torvalds status = nfs3_proc_setattr(dentry, &fattr, sattr); 40765e4308dSTrond Myklebust if (status == 0) 40865e4308dSTrond Myklebust nfs_setattr_update_inode(dentry->d_inode, sattr); 4091da177e4SLinus Torvalds nfs_refresh_inode(dentry->d_inode, &fattr); 4101da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 4111da177e4SLinus Torvalds } 412055ffbeaSAndreas Gruenbacher if (status != 0) 413055ffbeaSAndreas Gruenbacher goto out; 414055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 4151da177e4SLinus Torvalds out: 4161da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 4171da177e4SLinus Torvalds return status; 4181da177e4SLinus Torvalds } 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds static int 4211da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds struct nfs_fattr dir_attr; 4241da177e4SLinus Torvalds struct nfs3_diropargs arg = { 4251da177e4SLinus Torvalds .fh = NFS_FH(dir), 4261da177e4SLinus Torvalds .name = name->name, 4271da177e4SLinus Torvalds .len = name->len 4281da177e4SLinus Torvalds }; 4291da177e4SLinus Torvalds struct rpc_message msg = { 4301da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 4311da177e4SLinus Torvalds .rpc_argp = &arg, 4321da177e4SLinus Torvalds .rpc_resp = &dir_attr, 4331da177e4SLinus Torvalds }; 4341da177e4SLinus Torvalds int status; 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 4370e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 4381da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 439decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 4401da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 4411da177e4SLinus Torvalds return status; 4421da177e4SLinus Torvalds } 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds static int 4451da177e4SLinus Torvalds nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name) 4461da177e4SLinus Torvalds { 4471da177e4SLinus Torvalds struct unlinkxdr { 4481da177e4SLinus Torvalds struct nfs3_diropargs arg; 4491da177e4SLinus Torvalds struct nfs_fattr res; 4501da177e4SLinus Torvalds } *ptr; 4511da177e4SLinus Torvalds 4521da177e4SLinus Torvalds ptr = (struct unlinkxdr *)kmalloc(sizeof(*ptr), GFP_KERNEL); 4531da177e4SLinus Torvalds if (!ptr) 4541da177e4SLinus Torvalds return -ENOMEM; 4551da177e4SLinus Torvalds ptr->arg.fh = NFS_FH(dir->d_inode); 4561da177e4SLinus Torvalds ptr->arg.name = name->name; 4571da177e4SLinus Torvalds ptr->arg.len = name->len; 4580e574af1STrond Myklebust nfs_fattr_init(&ptr->res); 4591da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 4601da177e4SLinus Torvalds msg->rpc_argp = &ptr->arg; 4611da177e4SLinus Torvalds msg->rpc_resp = &ptr->res; 4621da177e4SLinus Torvalds return 0; 4631da177e4SLinus Torvalds } 4641da177e4SLinus Torvalds 4651da177e4SLinus Torvalds static int 4661da177e4SLinus Torvalds nfs3_proc_unlink_done(struct dentry *dir, struct rpc_task *task) 4671da177e4SLinus Torvalds { 4681da177e4SLinus Torvalds struct rpc_message *msg = &task->tk_msg; 4691da177e4SLinus Torvalds struct nfs_fattr *dir_attr; 4701da177e4SLinus Torvalds 471006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, dir->d_inode)) 4721da177e4SLinus Torvalds return 1; 4731da177e4SLinus Torvalds if (msg->rpc_argp) { 4741da177e4SLinus Torvalds dir_attr = (struct nfs_fattr*)msg->rpc_resp; 475decf491fSTrond Myklebust nfs_post_op_update_inode(dir->d_inode, dir_attr); 4761da177e4SLinus Torvalds kfree(msg->rpc_argp); 4771da177e4SLinus Torvalds } 4781da177e4SLinus Torvalds return 0; 4791da177e4SLinus Torvalds } 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds static int 4821da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 4831da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 4841da177e4SLinus Torvalds { 4851da177e4SLinus Torvalds struct nfs_fattr old_dir_attr, new_dir_attr; 4861da177e4SLinus Torvalds struct nfs3_renameargs arg = { 4871da177e4SLinus Torvalds .fromfh = NFS_FH(old_dir), 4881da177e4SLinus Torvalds .fromname = old_name->name, 4891da177e4SLinus Torvalds .fromlen = old_name->len, 4901da177e4SLinus Torvalds .tofh = NFS_FH(new_dir), 4911da177e4SLinus Torvalds .toname = new_name->name, 4921da177e4SLinus Torvalds .tolen = new_name->len 4931da177e4SLinus Torvalds }; 4941da177e4SLinus Torvalds struct nfs3_renameres res = { 4951da177e4SLinus Torvalds .fromattr = &old_dir_attr, 4961da177e4SLinus Torvalds .toattr = &new_dir_attr 4971da177e4SLinus Torvalds }; 498dead28daSChuck Lever struct rpc_message msg = { 499dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 500dead28daSChuck Lever .rpc_argp = &arg, 501dead28daSChuck Lever .rpc_resp = &res, 502dead28daSChuck Lever }; 5031da177e4SLinus Torvalds int status; 5041da177e4SLinus Torvalds 5051da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 5060e574af1STrond Myklebust nfs_fattr_init(&old_dir_attr); 5070e574af1STrond Myklebust nfs_fattr_init(&new_dir_attr); 508dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 509decf491fSTrond Myklebust nfs_post_op_update_inode(old_dir, &old_dir_attr); 510decf491fSTrond Myklebust nfs_post_op_update_inode(new_dir, &new_dir_attr); 5111da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 5121da177e4SLinus Torvalds return status; 5131da177e4SLinus Torvalds } 5141da177e4SLinus Torvalds 5151da177e4SLinus Torvalds static int 5161da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 5171da177e4SLinus Torvalds { 5181da177e4SLinus Torvalds struct nfs_fattr dir_attr, fattr; 5191da177e4SLinus Torvalds struct nfs3_linkargs arg = { 5201da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 5211da177e4SLinus Torvalds .tofh = NFS_FH(dir), 5221da177e4SLinus Torvalds .toname = name->name, 5231da177e4SLinus Torvalds .tolen = name->len 5241da177e4SLinus Torvalds }; 5251da177e4SLinus Torvalds struct nfs3_linkres res = { 5261da177e4SLinus Torvalds .dir_attr = &dir_attr, 5271da177e4SLinus Torvalds .fattr = &fattr 5281da177e4SLinus Torvalds }; 529dead28daSChuck Lever struct rpc_message msg = { 530dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 531dead28daSChuck Lever .rpc_argp = &arg, 532dead28daSChuck Lever .rpc_resp = &res, 533dead28daSChuck Lever }; 5341da177e4SLinus Torvalds int status; 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 5370e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 5380e574af1STrond Myklebust nfs_fattr_init(&fattr); 539dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 540decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 541decf491fSTrond Myklebust nfs_post_op_update_inode(inode, &fattr); 5421da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 5431da177e4SLinus Torvalds return status; 5441da177e4SLinus Torvalds } 5451da177e4SLinus Torvalds 5461da177e4SLinus Torvalds static int 5474f390c15SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct qstr *path, 5484f390c15SChuck Lever struct iattr *sattr) 5491da177e4SLinus Torvalds { 5504f390c15SChuck Lever struct nfs_fh fhandle; 5514f390c15SChuck Lever struct nfs_fattr fattr, dir_attr; 5521da177e4SLinus Torvalds struct nfs3_symlinkargs arg = { 5531da177e4SLinus Torvalds .fromfh = NFS_FH(dir), 5544f390c15SChuck Lever .fromname = dentry->d_name.name, 5554f390c15SChuck Lever .fromlen = dentry->d_name.len, 5561da177e4SLinus Torvalds .topath = path->name, 5571da177e4SLinus Torvalds .tolen = path->len, 5581da177e4SLinus Torvalds .sattr = sattr 5591da177e4SLinus Torvalds }; 5601da177e4SLinus Torvalds struct nfs3_diropres res = { 5611da177e4SLinus Torvalds .dir_attr = &dir_attr, 5624f390c15SChuck Lever .fh = &fhandle, 5634f390c15SChuck Lever .fattr = &fattr 5641da177e4SLinus Torvalds }; 565dead28daSChuck Lever struct rpc_message msg = { 566dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK], 567dead28daSChuck Lever .rpc_argp = &arg, 568dead28daSChuck Lever .rpc_resp = &res, 569dead28daSChuck Lever }; 5701da177e4SLinus Torvalds int status; 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds if (path->len > NFS3_MAXPATHLEN) 5731da177e4SLinus Torvalds return -ENAMETOOLONG; 5744f390c15SChuck Lever 5754f390c15SChuck Lever dprintk("NFS call symlink %s -> %s\n", dentry->d_name.name, 5764f390c15SChuck Lever path->name); 5770e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 5784f390c15SChuck Lever nfs_fattr_init(&fattr); 579dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 580decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 5814f390c15SChuck Lever if (status != 0) 5824f390c15SChuck Lever goto out; 5834f390c15SChuck Lever status = nfs_instantiate(dentry, &fhandle, &fattr); 5844f390c15SChuck Lever out: 5851da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5861da177e4SLinus Torvalds return status; 5871da177e4SLinus Torvalds } 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds static int 5901da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5911da177e4SLinus Torvalds { 5921da177e4SLinus Torvalds struct nfs_fh fhandle; 5931da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 5941da177e4SLinus Torvalds struct nfs3_mkdirargs arg = { 5951da177e4SLinus Torvalds .fh = NFS_FH(dir), 5961da177e4SLinus Torvalds .name = dentry->d_name.name, 5971da177e4SLinus Torvalds .len = dentry->d_name.len, 5981da177e4SLinus Torvalds .sattr = sattr 5991da177e4SLinus Torvalds }; 6001da177e4SLinus Torvalds struct nfs3_diropres res = { 6011da177e4SLinus Torvalds .dir_attr = &dir_attr, 6021da177e4SLinus Torvalds .fh = &fhandle, 6031da177e4SLinus Torvalds .fattr = &fattr 6041da177e4SLinus Torvalds }; 605dead28daSChuck Lever struct rpc_message msg = { 606dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR], 607dead28daSChuck Lever .rpc_argp = &arg, 608dead28daSChuck Lever .rpc_resp = &res, 609dead28daSChuck Lever }; 610055ffbeaSAndreas Gruenbacher int mode = sattr->ia_mode; 6111da177e4SLinus Torvalds int status; 6121da177e4SLinus Torvalds 6131da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 614055ffbeaSAndreas Gruenbacher 615055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 616055ffbeaSAndreas Gruenbacher 6170e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 6180e574af1STrond Myklebust nfs_fattr_init(&fattr); 619dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 620decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 621055ffbeaSAndreas Gruenbacher if (status != 0) 622055ffbeaSAndreas Gruenbacher goto out; 6231da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fhandle, &fattr); 624055ffbeaSAndreas Gruenbacher if (status != 0) 625055ffbeaSAndreas Gruenbacher goto out; 626055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 627055ffbeaSAndreas Gruenbacher out: 6281da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 6291da177e4SLinus Torvalds return status; 6301da177e4SLinus Torvalds } 6311da177e4SLinus Torvalds 6321da177e4SLinus Torvalds static int 6331da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 6341da177e4SLinus Torvalds { 6351da177e4SLinus Torvalds struct nfs_fattr dir_attr; 6361da177e4SLinus Torvalds struct nfs3_diropargs arg = { 6371da177e4SLinus Torvalds .fh = NFS_FH(dir), 6381da177e4SLinus Torvalds .name = name->name, 6391da177e4SLinus Torvalds .len = name->len 6401da177e4SLinus Torvalds }; 641dead28daSChuck Lever struct rpc_message msg = { 642dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 643dead28daSChuck Lever .rpc_argp = &arg, 644dead28daSChuck Lever .rpc_resp = &dir_attr, 645dead28daSChuck Lever }; 6461da177e4SLinus Torvalds int status; 6471da177e4SLinus Torvalds 6481da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 6490e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 650dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 651decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 6521da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 6531da177e4SLinus Torvalds return status; 6541da177e4SLinus Torvalds } 6551da177e4SLinus Torvalds 6561da177e4SLinus Torvalds /* 6571da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 6581da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 6591da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 6601da177e4SLinus Torvalds * sure the reply is syntactically correct. 6611da177e4SLinus Torvalds * 6621da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 6631da177e4SLinus Torvalds * readdirplus. 6641da177e4SLinus Torvalds */ 6651da177e4SLinus Torvalds static int 6661da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 6671da177e4SLinus Torvalds u64 cookie, struct page *page, unsigned int count, int plus) 6681da177e4SLinus Torvalds { 6691da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 6701da177e4SLinus Torvalds struct nfs_fattr dir_attr; 6711da177e4SLinus Torvalds u32 *verf = NFS_COOKIEVERF(dir); 6721da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6731da177e4SLinus Torvalds .fh = NFS_FH(dir), 6741da177e4SLinus Torvalds .cookie = cookie, 6751da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6761da177e4SLinus Torvalds .plus = plus, 6771da177e4SLinus Torvalds .count = count, 6781da177e4SLinus Torvalds .pages = &page 6791da177e4SLinus Torvalds }; 6801da177e4SLinus Torvalds struct nfs3_readdirres res = { 6811da177e4SLinus Torvalds .dir_attr = &dir_attr, 6821da177e4SLinus Torvalds .verf = verf, 6831da177e4SLinus Torvalds .plus = plus 6841da177e4SLinus Torvalds }; 6851da177e4SLinus Torvalds struct rpc_message msg = { 6861da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6871da177e4SLinus Torvalds .rpc_argp = &arg, 6881da177e4SLinus Torvalds .rpc_resp = &res, 6891da177e4SLinus Torvalds .rpc_cred = cred 6901da177e4SLinus Torvalds }; 6911da177e4SLinus Torvalds int status; 6921da177e4SLinus Torvalds 6931da177e4SLinus Torvalds lock_kernel(); 6941da177e4SLinus Torvalds 6951da177e4SLinus Torvalds if (plus) 6961da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6971da177e4SLinus Torvalds 6981da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6991da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 7001da177e4SLinus Torvalds 7010e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 7021da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 7031da177e4SLinus Torvalds nfs_refresh_inode(dir, &dir_attr); 7041da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 7051da177e4SLinus Torvalds unlock_kernel(); 7061da177e4SLinus Torvalds return status; 7071da177e4SLinus Torvalds } 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvalds static int 7101da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 7111da177e4SLinus Torvalds dev_t rdev) 7121da177e4SLinus Torvalds { 7131da177e4SLinus Torvalds struct nfs_fh fh; 7141da177e4SLinus Torvalds struct nfs_fattr fattr, dir_attr; 7151da177e4SLinus Torvalds struct nfs3_mknodargs arg = { 7161da177e4SLinus Torvalds .fh = NFS_FH(dir), 7171da177e4SLinus Torvalds .name = dentry->d_name.name, 7181da177e4SLinus Torvalds .len = dentry->d_name.len, 7191da177e4SLinus Torvalds .sattr = sattr, 7201da177e4SLinus Torvalds .rdev = rdev 7211da177e4SLinus Torvalds }; 7221da177e4SLinus Torvalds struct nfs3_diropres res = { 7231da177e4SLinus Torvalds .dir_attr = &dir_attr, 7241da177e4SLinus Torvalds .fh = &fh, 7251da177e4SLinus Torvalds .fattr = &fattr 7261da177e4SLinus Torvalds }; 727dead28daSChuck Lever struct rpc_message msg = { 728dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD], 729dead28daSChuck Lever .rpc_argp = &arg, 730dead28daSChuck Lever .rpc_resp = &res, 731dead28daSChuck Lever }; 732055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 7331da177e4SLinus Torvalds int status; 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds switch (sattr->ia_mode & S_IFMT) { 7361da177e4SLinus Torvalds case S_IFBLK: arg.type = NF3BLK; break; 7371da177e4SLinus Torvalds case S_IFCHR: arg.type = NF3CHR; break; 7381da177e4SLinus Torvalds case S_IFIFO: arg.type = NF3FIFO; break; 7391da177e4SLinus Torvalds case S_IFSOCK: arg.type = NF3SOCK; break; 7401da177e4SLinus Torvalds default: return -EINVAL; 7411da177e4SLinus Torvalds } 7421da177e4SLinus Torvalds 7431da177e4SLinus Torvalds dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, 7441da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 745055ffbeaSAndreas Gruenbacher 746055ffbeaSAndreas Gruenbacher sattr->ia_mode &= ~current->fs->umask; 747055ffbeaSAndreas Gruenbacher 7480e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 7490e574af1STrond Myklebust nfs_fattr_init(&fattr); 750dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 751decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 752055ffbeaSAndreas Gruenbacher if (status != 0) 753055ffbeaSAndreas Gruenbacher goto out; 7541da177e4SLinus Torvalds status = nfs_instantiate(dentry, &fh, &fattr); 755055ffbeaSAndreas Gruenbacher if (status != 0) 756055ffbeaSAndreas Gruenbacher goto out; 757055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 758055ffbeaSAndreas Gruenbacher out: 7591da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 7601da177e4SLinus Torvalds return status; 7611da177e4SLinus Torvalds } 7621da177e4SLinus Torvalds 7631da177e4SLinus Torvalds static int 7641da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 7651da177e4SLinus Torvalds struct nfs_fsstat *stat) 7661da177e4SLinus Torvalds { 767dead28daSChuck Lever struct rpc_message msg = { 768dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 769dead28daSChuck Lever .rpc_argp = fhandle, 770dead28daSChuck Lever .rpc_resp = stat, 771dead28daSChuck Lever }; 7721da177e4SLinus Torvalds int status; 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7750e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 776dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7771da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 7781da177e4SLinus Torvalds return status; 7791da177e4SLinus Torvalds } 7801da177e4SLinus Torvalds 7811da177e4SLinus Torvalds static int 7821da177e4SLinus Torvalds nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 7831da177e4SLinus Torvalds struct nfs_fsinfo *info) 7841da177e4SLinus Torvalds { 785dead28daSChuck Lever struct rpc_message msg = { 786dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 787dead28daSChuck Lever .rpc_argp = fhandle, 788dead28daSChuck Lever .rpc_resp = info, 789dead28daSChuck Lever }; 7901da177e4SLinus Torvalds int status; 7911da177e4SLinus Torvalds 7921da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7930e574af1STrond Myklebust nfs_fattr_init(info->fattr); 7945006a76cSDavid Howells status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0); 7951da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7961da177e4SLinus Torvalds return status; 7971da177e4SLinus Torvalds } 7981da177e4SLinus Torvalds 7991da177e4SLinus Torvalds static int 8001da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 8011da177e4SLinus Torvalds struct nfs_pathconf *info) 8021da177e4SLinus Torvalds { 803dead28daSChuck Lever struct rpc_message msg = { 804dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 805dead28daSChuck Lever .rpc_argp = fhandle, 806dead28daSChuck Lever .rpc_resp = info, 807dead28daSChuck Lever }; 8081da177e4SLinus Torvalds int status; 8091da177e4SLinus Torvalds 8101da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 8110e574af1STrond Myklebust nfs_fattr_init(info->fattr); 812dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 8131da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 8141da177e4SLinus Torvalds return status; 8151da177e4SLinus Torvalds } 8161da177e4SLinus Torvalds 817ec06c096STrond Myklebust static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) 8181da177e4SLinus Torvalds { 819006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 820ec06c096STrond Myklebust return -EAGAIN; 8211da177e4SLinus Torvalds /* Call back common NFS readpage processing */ 8221da177e4SLinus Torvalds if (task->tk_status >= 0) 8231da177e4SLinus Torvalds nfs_refresh_inode(data->inode, &data->fattr); 824ec06c096STrond Myklebust return 0; 8251da177e4SLinus Torvalds } 8261da177e4SLinus Torvalds 827ec06c096STrond Myklebust static void nfs3_proc_read_setup(struct nfs_read_data *data) 8281da177e4SLinus Torvalds { 8291da177e4SLinus Torvalds struct rpc_message msg = { 8301da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READ], 8311da177e4SLinus Torvalds .rpc_argp = &data->args, 8321da177e4SLinus Torvalds .rpc_resp = &data->res, 8331da177e4SLinus Torvalds .rpc_cred = data->cred, 8341da177e4SLinus Torvalds }; 8351da177e4SLinus Torvalds 836ec06c096STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 8371da177e4SLinus Torvalds } 8381da177e4SLinus Torvalds 839788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 8401da177e4SLinus Torvalds { 841006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 842788e7a89STrond Myklebust return -EAGAIN; 8431da177e4SLinus Torvalds if (task->tk_status >= 0) 844decf491fSTrond Myklebust nfs_post_op_update_inode(data->inode, data->res.fattr); 845788e7a89STrond Myklebust return 0; 8461da177e4SLinus Torvalds } 8471da177e4SLinus Torvalds 848788e7a89STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, int how) 8491da177e4SLinus Torvalds { 8501da177e4SLinus Torvalds struct rpc_message msg = { 8511da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE], 8521da177e4SLinus Torvalds .rpc_argp = &data->args, 8531da177e4SLinus Torvalds .rpc_resp = &data->res, 8541da177e4SLinus Torvalds .rpc_cred = data->cred, 8551da177e4SLinus Torvalds }; 8561da177e4SLinus Torvalds 857788e7a89STrond Myklebust data->args.stable = NFS_UNSTABLE; 8581da177e4SLinus Torvalds if (how & FLUSH_STABLE) { 859788e7a89STrond Myklebust data->args.stable = NFS_FILE_SYNC; 860788e7a89STrond Myklebust if (NFS_I(data->inode)->ncommit) 861788e7a89STrond Myklebust data->args.stable = NFS_DATA_SYNC; 862788e7a89STrond Myklebust } 8631da177e4SLinus Torvalds 8641da177e4SLinus Torvalds /* Finalize the task. */ 865788e7a89STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 8661da177e4SLinus Torvalds } 8671da177e4SLinus Torvalds 868788e7a89STrond Myklebust static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data) 8691da177e4SLinus Torvalds { 870006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 871788e7a89STrond Myklebust return -EAGAIN; 8721da177e4SLinus Torvalds if (task->tk_status >= 0) 873decf491fSTrond Myklebust nfs_post_op_update_inode(data->inode, data->res.fattr); 874788e7a89STrond Myklebust return 0; 8751da177e4SLinus Torvalds } 8761da177e4SLinus Torvalds 877788e7a89STrond Myklebust static void nfs3_proc_commit_setup(struct nfs_write_data *data, int how) 8781da177e4SLinus Torvalds { 8791da177e4SLinus Torvalds struct rpc_message msg = { 8801da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT], 8811da177e4SLinus Torvalds .rpc_argp = &data->args, 8821da177e4SLinus Torvalds .rpc_resp = &data->res, 8831da177e4SLinus Torvalds .rpc_cred = data->cred, 8841da177e4SLinus Torvalds }; 8851da177e4SLinus Torvalds 886788e7a89STrond Myklebust rpc_call_setup(&data->task, &msg, 0); 8871da177e4SLinus Torvalds } 8881da177e4SLinus Torvalds 8891da177e4SLinus Torvalds static int 8901da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 8911da177e4SLinus Torvalds { 8921da177e4SLinus Torvalds return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl); 8931da177e4SLinus Torvalds } 8941da177e4SLinus Torvalds 895509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 8961da177e4SLinus Torvalds .version = 3, /* protocol version */ 8971da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 898b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 899b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 9001da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 9011da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 9021da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 9031da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 9041da177e4SLinus Torvalds .access = nfs3_proc_access, 9051da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 9061da177e4SLinus Torvalds .read = nfs3_proc_read, 9071da177e4SLinus Torvalds .write = nfs3_proc_write, 9081da177e4SLinus Torvalds .commit = nfs3_proc_commit, 9091da177e4SLinus Torvalds .create = nfs3_proc_create, 9101da177e4SLinus Torvalds .remove = nfs3_proc_remove, 9111da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 9121da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 9131da177e4SLinus Torvalds .rename = nfs3_proc_rename, 9141da177e4SLinus Torvalds .link = nfs3_proc_link, 9151da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 9161da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 9171da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 9181da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 9191da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 9201da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 9211da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 9221da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 9231da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 9241da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 925ec06c096STrond Myklebust .read_done = nfs3_read_done, 9261da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 927788e7a89STrond Myklebust .write_done = nfs3_write_done, 9281da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 929788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 9301da177e4SLinus Torvalds .file_open = nfs_open, 9311da177e4SLinus Torvalds .file_release = nfs_release, 9321da177e4SLinus Torvalds .lock = nfs3_proc_lock, 9335c6a9f7dSAndreas Gruenbacher .clear_acl_cache = nfs3_forget_cached_acls, 9341da177e4SLinus Torvalds }; 935