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/errno.h> 111da177e4SLinus Torvalds #include <linux/string.h> 121da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 135a0e3ad6STejun Heo #include <linux/slab.h> 141da177e4SLinus Torvalds #include <linux/nfs.h> 151da177e4SLinus Torvalds #include <linux/nfs3.h> 161da177e4SLinus Torvalds #include <linux/nfs_fs.h> 171da177e4SLinus Torvalds #include <linux/nfs_page.h> 181da177e4SLinus Torvalds #include <linux/lockd/bind.h> 19b7fa0554SAndreas Gruenbacher #include <linux/nfs_mount.h> 20d310310cSJeff Layton #include <linux/freezer.h> 211da177e4SLinus Torvalds 22006ea73eSChuck Lever #include "iostat.h" 23f7b422b1SDavid Howells #include "internal.h" 24006ea73eSChuck Lever 251da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 261da177e4SLinus Torvalds 27eb96d5c9SAndy Adamson /* A wrapper to handle the EJUKEBOX error messages */ 281da177e4SLinus Torvalds static int 291da177e4SLinus Torvalds nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 301da177e4SLinus Torvalds { 311da177e4SLinus Torvalds int res; 321da177e4SLinus Torvalds do { 331da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 34eb96d5c9SAndy Adamson if (res != -EJUKEBOX) 351da177e4SLinus Torvalds break; 36d310310cSJeff Layton freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); 371da177e4SLinus Torvalds res = -ERESTARTSYS; 38150030b7SMatthew Wilcox } while (!fatal_signal_pending(current)); 391da177e4SLinus Torvalds return res; 401da177e4SLinus Torvalds } 411da177e4SLinus Torvalds 42dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 431da177e4SLinus Torvalds 441da177e4SLinus Torvalds static int 45006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 461da177e4SLinus Torvalds { 47eb96d5c9SAndy Adamson if (task->tk_status != -EJUKEBOX) 481da177e4SLinus Torvalds return 0; 49b68d69b8SJeff Layton if (task->tk_status == -EJUKEBOX) 50006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 511da177e4SLinus Torvalds task->tk_status = 0; 521da177e4SLinus Torvalds rpc_restart_call(task); 531da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 541da177e4SLinus Torvalds return 1; 551da177e4SLinus Torvalds } 561da177e4SLinus Torvalds 5703c21733SJ. Bruce Fields static int 5803c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 5903c21733SJ. Bruce Fields struct nfs_fsinfo *info) 6003c21733SJ. Bruce Fields { 61dead28daSChuck Lever struct rpc_message msg = { 62dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 63dead28daSChuck Lever .rpc_argp = fhandle, 64dead28daSChuck Lever .rpc_resp = info, 65dead28daSChuck Lever }; 6603c21733SJ. Bruce Fields int status; 6703c21733SJ. Bruce Fields 683110ff80SHarvey Harrison dprintk("%s: call fsinfo\n", __func__); 6903c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 70dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 713110ff80SHarvey Harrison dprintk("%s: reply fsinfo: %d\n", __func__, status); 7208660043STrond Myklebust if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) { 73dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 74dead28daSChuck Lever msg.rpc_resp = info->fattr; 75dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 763110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 7703c21733SJ. Bruce Fields } 7803c21733SJ. Bruce Fields return status; 7903c21733SJ. Bruce Fields } 8003c21733SJ. Bruce Fields 811da177e4SLinus Torvalds /* 8254ceac45SDavid Howells * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb 831da177e4SLinus Torvalds */ 841da177e4SLinus Torvalds static int 851da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 861da177e4SLinus Torvalds struct nfs_fsinfo *info) 871da177e4SLinus Torvalds { 881da177e4SLinus Torvalds int status; 891da177e4SLinus Torvalds 9003c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 915006a76cSDavid Howells if (status && server->nfs_client->cl_rpcclient != server->client) 925006a76cSDavid Howells status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); 931da177e4SLinus Torvalds return status; 941da177e4SLinus Torvalds } 951da177e4SLinus Torvalds 961da177e4SLinus Torvalds /* 971da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 981da177e4SLinus Torvalds */ 991da177e4SLinus Torvalds static int 1001da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1011da177e4SLinus Torvalds struct nfs_fattr *fattr) 1021da177e4SLinus Torvalds { 103dead28daSChuck Lever struct rpc_message msg = { 104dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], 105dead28daSChuck Lever .rpc_argp = fhandle, 106dead28daSChuck Lever .rpc_resp = fattr, 107dead28daSChuck Lever }; 1081da177e4SLinus Torvalds int status; 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1110e574af1STrond Myklebust nfs_fattr_init(fattr); 112dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1131da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1141da177e4SLinus Torvalds return status; 1151da177e4SLinus Torvalds } 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvalds static int 1181da177e4SLinus Torvalds nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1191da177e4SLinus Torvalds struct iattr *sattr) 1201da177e4SLinus Torvalds { 1211da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1221da177e4SLinus Torvalds struct nfs3_sattrargs arg = { 1231da177e4SLinus Torvalds .fh = NFS_FH(inode), 1241da177e4SLinus Torvalds .sattr = sattr, 1251da177e4SLinus Torvalds }; 126dead28daSChuck Lever struct rpc_message msg = { 127dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], 128dead28daSChuck Lever .rpc_argp = &arg, 129dead28daSChuck Lever .rpc_resp = fattr, 130dead28daSChuck Lever }; 1311da177e4SLinus Torvalds int status; 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 134659bfcd6STrond Myklebust if (sattr->ia_valid & ATTR_FILE) 135659bfcd6STrond Myklebust msg.rpc_cred = nfs_file_cred(sattr->ia_file); 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 14580a16b21SBryan Schumaker nfs3_proc_lookup(struct inode *dir, struct qstr *name, 1461da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1471da177e4SLinus Torvalds { 1481da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1491da177e4SLinus Torvalds .fh = NFS_FH(dir), 1501da177e4SLinus Torvalds .name = name->name, 1511da177e4SLinus Torvalds .len = name->len 1521da177e4SLinus Torvalds }; 1531da177e4SLinus Torvalds struct nfs3_diropres res = { 1541da177e4SLinus Torvalds .fh = fhandle, 1551da177e4SLinus Torvalds .fattr = fattr 1561da177e4SLinus Torvalds }; 157dead28daSChuck Lever struct rpc_message msg = { 158dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], 159dead28daSChuck Lever .rpc_argp = &arg, 160dead28daSChuck Lever .rpc_resp = &res, 161dead28daSChuck Lever }; 1621da177e4SLinus Torvalds int status; 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 165e1fb4d05STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 166e1fb4d05STrond Myklebust if (res.dir_attr == NULL) 167e1fb4d05STrond Myklebust return -ENOMEM; 168e1fb4d05STrond Myklebust 1690e574af1STrond Myklebust nfs_fattr_init(fattr); 170dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 171e1fb4d05STrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 172dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 173dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 174dead28daSChuck Lever msg.rpc_argp = fhandle; 175dead28daSChuck Lever msg.rpc_resp = fattr; 176dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 177dead28daSChuck Lever } 178e1fb4d05STrond Myklebust nfs_free_fattr(res.dir_attr); 1791da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 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 nfs3_accessargs arg = { 1861da177e4SLinus Torvalds .fh = NFS_FH(inode), 1871da177e4SLinus Torvalds }; 188c407d41aSTrond Myklebust struct nfs3_accessres res; 1891da177e4SLinus Torvalds struct rpc_message msg = { 1901da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], 1911da177e4SLinus Torvalds .rpc_argp = &arg, 1921da177e4SLinus Torvalds .rpc_resp = &res, 193dead28daSChuck Lever .rpc_cred = entry->cred, 1941da177e4SLinus Torvalds }; 1951da177e4SLinus Torvalds int mode = entry->mask; 196c407d41aSTrond Myklebust int status = -ENOMEM; 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds dprintk("NFS call access\n"); 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds if (mode & MAY_READ) 2011da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_READ; 2021da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 2031da177e4SLinus Torvalds if (mode & MAY_WRITE) 2041da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; 2051da177e4SLinus Torvalds if (mode & MAY_EXEC) 2061da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_LOOKUP; 2071da177e4SLinus Torvalds } else { 2081da177e4SLinus Torvalds if (mode & MAY_WRITE) 2091da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; 2101da177e4SLinus Torvalds if (mode & MAY_EXEC) 2111da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_EXECUTE; 2121da177e4SLinus Torvalds } 213c407d41aSTrond Myklebust 214c407d41aSTrond Myklebust res.fattr = nfs_alloc_fattr(); 215c407d41aSTrond Myklebust if (res.fattr == NULL) 216c407d41aSTrond Myklebust goto out; 217c407d41aSTrond Myklebust 2181da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 219c407d41aSTrond Myklebust nfs_refresh_inode(inode, res.fattr); 2201da177e4SLinus Torvalds if (status == 0) { 2211da177e4SLinus Torvalds entry->mask = 0; 2221da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2231da177e4SLinus Torvalds entry->mask |= MAY_READ; 2241da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2251da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2261da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2271da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2281da177e4SLinus Torvalds } 229c407d41aSTrond Myklebust nfs_free_fattr(res.fattr); 230c407d41aSTrond Myklebust out: 2311da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2321da177e4SLinus Torvalds return status; 2331da177e4SLinus Torvalds } 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2361da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2371da177e4SLinus Torvalds { 2383b14d654STrond Myklebust struct nfs_fattr *fattr; 2391da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2401da177e4SLinus Torvalds .fh = NFS_FH(inode), 2411da177e4SLinus Torvalds .pgbase = pgbase, 2421da177e4SLinus Torvalds .pglen = pglen, 2431da177e4SLinus Torvalds .pages = &page 2441da177e4SLinus Torvalds }; 245dead28daSChuck Lever struct rpc_message msg = { 246dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 247dead28daSChuck Lever .rpc_argp = &args, 248dead28daSChuck Lever }; 2493b14d654STrond Myklebust int status = -ENOMEM; 2501da177e4SLinus Torvalds 2511da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2523b14d654STrond Myklebust fattr = nfs_alloc_fattr(); 2533b14d654STrond Myklebust if (fattr == NULL) 2543b14d654STrond Myklebust goto out; 2553b14d654STrond Myklebust msg.rpc_resp = fattr; 2563b14d654STrond Myklebust 257dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2583b14d654STrond Myklebust nfs_refresh_inode(inode, fattr); 2593b14d654STrond Myklebust nfs_free_fattr(fattr); 2603b14d654STrond Myklebust out: 2611da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2621da177e4SLinus Torvalds return status; 2631da177e4SLinus Torvalds } 2641da177e4SLinus Torvalds 2650b4aae7aSTrond Myklebust struct nfs3_createdata { 2660b4aae7aSTrond Myklebust struct rpc_message msg; 2670b4aae7aSTrond Myklebust union { 2680b4aae7aSTrond Myklebust struct nfs3_createargs create; 2690b4aae7aSTrond Myklebust struct nfs3_mkdirargs mkdir; 2700b4aae7aSTrond Myklebust struct nfs3_symlinkargs symlink; 2710b4aae7aSTrond Myklebust struct nfs3_mknodargs mknod; 2720b4aae7aSTrond Myklebust } arg; 2730b4aae7aSTrond Myklebust struct nfs3_diropres res; 2740b4aae7aSTrond Myklebust struct nfs_fh fh; 2750b4aae7aSTrond Myklebust struct nfs_fattr fattr; 2760b4aae7aSTrond Myklebust struct nfs_fattr dir_attr; 2770b4aae7aSTrond Myklebust }; 2780b4aae7aSTrond Myklebust 2790b4aae7aSTrond Myklebust static struct nfs3_createdata *nfs3_alloc_createdata(void) 2800b4aae7aSTrond Myklebust { 2810b4aae7aSTrond Myklebust struct nfs3_createdata *data; 2820b4aae7aSTrond Myklebust 2830b4aae7aSTrond Myklebust data = kzalloc(sizeof(*data), GFP_KERNEL); 2840b4aae7aSTrond Myklebust if (data != NULL) { 2850b4aae7aSTrond Myklebust data->msg.rpc_argp = &data->arg; 2860b4aae7aSTrond Myklebust data->msg.rpc_resp = &data->res; 2870b4aae7aSTrond Myklebust data->res.fh = &data->fh; 2880b4aae7aSTrond Myklebust data->res.fattr = &data->fattr; 2890b4aae7aSTrond Myklebust data->res.dir_attr = &data->dir_attr; 2900b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 2910b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 2920b4aae7aSTrond Myklebust } 2930b4aae7aSTrond Myklebust return data; 2940b4aae7aSTrond Myklebust } 2950b4aae7aSTrond Myklebust 2960b4aae7aSTrond Myklebust static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data) 2970b4aae7aSTrond Myklebust { 2980b4aae7aSTrond Myklebust int status; 2990b4aae7aSTrond Myklebust 3000b4aae7aSTrond Myklebust status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0); 3010b4aae7aSTrond Myklebust nfs_post_op_update_inode(dir, data->res.dir_attr); 3020b4aae7aSTrond Myklebust if (status == 0) 3030b4aae7aSTrond Myklebust status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); 3040b4aae7aSTrond Myklebust return status; 3050b4aae7aSTrond Myklebust } 3060b4aae7aSTrond Myklebust 3070b4aae7aSTrond Myklebust static void nfs3_free_createdata(struct nfs3_createdata *data) 3080b4aae7aSTrond Myklebust { 3090b4aae7aSTrond Myklebust kfree(data); 3100b4aae7aSTrond Myklebust } 3110b4aae7aSTrond Myklebust 3121da177e4SLinus Torvalds /* 3131da177e4SLinus Torvalds * Create a regular file. 3141da177e4SLinus Torvalds */ 3151da177e4SLinus Torvalds static int 3161da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 3178867fe58SMiklos Szeredi int flags) 3181da177e4SLinus Torvalds { 3190b4aae7aSTrond Myklebust struct nfs3_createdata *data; 320d3fb6120SAl Viro umode_t mode = sattr->ia_mode; 3210b4aae7aSTrond Myklebust int status = -ENOMEM; 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 3240b4aae7aSTrond Myklebust 3250b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 3260b4aae7aSTrond Myklebust if (data == NULL) 3270b4aae7aSTrond Myklebust goto out; 3280b4aae7aSTrond Myklebust 3290b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE]; 3300b4aae7aSTrond Myklebust data->arg.create.fh = NFS_FH(dir); 3310b4aae7aSTrond Myklebust data->arg.create.name = dentry->d_name.name; 3320b4aae7aSTrond Myklebust data->arg.create.len = dentry->d_name.len; 3330b4aae7aSTrond Myklebust data->arg.create.sattr = sattr; 3340b4aae7aSTrond Myklebust 3350b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3361da177e4SLinus Torvalds if (flags & O_EXCL) { 3370b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE; 3380b4aae7aSTrond Myklebust data->arg.create.verifier[0] = jiffies; 3390b4aae7aSTrond Myklebust data->arg.create.verifier[1] = current->pid; 3401da177e4SLinus Torvalds } 3411da177e4SLinus Torvalds 342ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 343055ffbeaSAndreas Gruenbacher 3440b4aae7aSTrond Myklebust for (;;) { 3450b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 3461da177e4SLinus Torvalds 3470b4aae7aSTrond Myklebust if (status != -ENOTSUPP) 3480b4aae7aSTrond Myklebust break; 3490b4aae7aSTrond Myklebust /* If the server doesn't support the exclusive creation 3500b4aae7aSTrond Myklebust * semantics, try again with simple 'guarded' mode. */ 3510b4aae7aSTrond Myklebust switch (data->arg.create.createmode) { 3521da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3530b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_GUARDED; 3541da177e4SLinus Torvalds break; 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3570b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3581da177e4SLinus Torvalds break; 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3611da177e4SLinus Torvalds goto out; 3621da177e4SLinus Torvalds } 3630b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 3640b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 3651da177e4SLinus Torvalds } 3661da177e4SLinus Torvalds 3671da177e4SLinus Torvalds if (status != 0) 3681da177e4SLinus Torvalds goto out; 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3711da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3720b4aae7aSTrond Myklebust if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) { 3731da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3741da177e4SLinus Torvalds 3751da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3761da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 3771da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 3781da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 3791da177e4SLinus Torvalds 3801da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 3811da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 3821da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 3830b4aae7aSTrond Myklebust status = nfs3_proc_setattr(dentry, data->res.fattr, sattr); 3840b4aae7aSTrond Myklebust nfs_post_op_update_inode(dentry->d_inode, data->res.fattr); 3851da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 386055ffbeaSAndreas Gruenbacher if (status != 0) 387055ffbeaSAndreas Gruenbacher goto out; 3880b4aae7aSTrond Myklebust } 389055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 3901da177e4SLinus Torvalds out: 3910b4aae7aSTrond Myklebust nfs3_free_createdata(data); 3921da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 3931da177e4SLinus Torvalds return status; 3941da177e4SLinus Torvalds } 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds static int 3971da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 3981da177e4SLinus Torvalds { 3994fdc17b2STrond Myklebust struct nfs_removeargs arg = { 4001da177e4SLinus Torvalds .fh = NFS_FH(dir), 40126fe5750SLinus Torvalds .name = *name, 4021da177e4SLinus Torvalds }; 4034fdc17b2STrond Myklebust struct nfs_removeres res; 4041da177e4SLinus Torvalds struct rpc_message msg = { 4051da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 4061da177e4SLinus Torvalds .rpc_argp = &arg, 4074fdc17b2STrond Myklebust .rpc_resp = &res, 4081da177e4SLinus Torvalds }; 409d346890bSTrond Myklebust int status = -ENOMEM; 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 412d346890bSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 413d346890bSTrond Myklebust if (res.dir_attr == NULL) 414d346890bSTrond Myklebust goto out; 415d346890bSTrond Myklebust 4161da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 417d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 418d346890bSTrond Myklebust nfs_free_fattr(res.dir_attr); 419d346890bSTrond Myklebust out: 4201da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 4211da177e4SLinus Torvalds return status; 4221da177e4SLinus Torvalds } 4231da177e4SLinus Torvalds 424e4eff1a6STrond Myklebust static void 425e4eff1a6STrond Myklebust nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 4261da177e4SLinus Torvalds { 4271da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 4281da177e4SLinus Torvalds } 4291da177e4SLinus Torvalds 43034e137ccSBryan Schumaker static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 43134e137ccSBryan Schumaker { 43234e137ccSBryan Schumaker rpc_call_start(task); 43334e137ccSBryan Schumaker } 43434e137ccSBryan Schumaker 4351da177e4SLinus Torvalds static int 436e4eff1a6STrond Myklebust nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) 4371da177e4SLinus Torvalds { 438e4eff1a6STrond Myklebust struct nfs_removeres *res; 439e4eff1a6STrond Myklebust if (nfs3_async_handle_jukebox(task, dir)) 4401da177e4SLinus Torvalds return 0; 441e4eff1a6STrond Myklebust res = task->tk_msg.rpc_resp; 442d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res->dir_attr); 443e4eff1a6STrond Myklebust return 1; 4441da177e4SLinus Torvalds } 4451da177e4SLinus Torvalds 446d3d4152aSJeff Layton static void 447d3d4152aSJeff Layton nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir) 448d3d4152aSJeff Layton { 449d3d4152aSJeff Layton msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME]; 450d3d4152aSJeff Layton } 451d3d4152aSJeff Layton 452c6bfa1a1SBryan Schumaker static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 453c6bfa1a1SBryan Schumaker { 454c6bfa1a1SBryan Schumaker rpc_call_start(task); 455c6bfa1a1SBryan Schumaker } 456c6bfa1a1SBryan Schumaker 457d3d4152aSJeff Layton static int 458d3d4152aSJeff Layton nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 459d3d4152aSJeff Layton struct inode *new_dir) 460d3d4152aSJeff Layton { 461d3d4152aSJeff Layton struct nfs_renameres *res; 462d3d4152aSJeff Layton 463d3d4152aSJeff Layton if (nfs3_async_handle_jukebox(task, old_dir)) 464d3d4152aSJeff Layton return 0; 465d3d4152aSJeff Layton res = task->tk_msg.rpc_resp; 466d3d4152aSJeff Layton 467d3d4152aSJeff Layton nfs_post_op_update_inode(old_dir, res->old_fattr); 468d3d4152aSJeff Layton nfs_post_op_update_inode(new_dir, res->new_fattr); 469d3d4152aSJeff Layton return 1; 470d3d4152aSJeff Layton } 471d3d4152aSJeff Layton 4721da177e4SLinus Torvalds static int 4731da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 4741da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 4751da177e4SLinus Torvalds { 476920769f0SJeff Layton struct nfs_renameargs arg = { 477920769f0SJeff Layton .old_dir = NFS_FH(old_dir), 478920769f0SJeff Layton .old_name = old_name, 479920769f0SJeff Layton .new_dir = NFS_FH(new_dir), 480920769f0SJeff Layton .new_name = new_name, 4811da177e4SLinus Torvalds }; 482e8582a8bSJeff Layton struct nfs_renameres res; 483dead28daSChuck Lever struct rpc_message msg = { 484dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 485dead28daSChuck Lever .rpc_argp = &arg, 486dead28daSChuck Lever .rpc_resp = &res, 487dead28daSChuck Lever }; 488011fff72STrond Myklebust int status = -ENOMEM; 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 491011fff72STrond Myklebust 492e8582a8bSJeff Layton res.old_fattr = nfs_alloc_fattr(); 493e8582a8bSJeff Layton res.new_fattr = nfs_alloc_fattr(); 494e8582a8bSJeff Layton if (res.old_fattr == NULL || res.new_fattr == NULL) 495011fff72STrond Myklebust goto out; 496011fff72STrond Myklebust 497dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 498e8582a8bSJeff Layton nfs_post_op_update_inode(old_dir, res.old_fattr); 499e8582a8bSJeff Layton nfs_post_op_update_inode(new_dir, res.new_fattr); 500011fff72STrond Myklebust out: 501e8582a8bSJeff Layton nfs_free_fattr(res.old_fattr); 502e8582a8bSJeff Layton nfs_free_fattr(res.new_fattr); 5031da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 5041da177e4SLinus Torvalds return status; 5051da177e4SLinus Torvalds } 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds static int 5081da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 5091da177e4SLinus Torvalds { 5101da177e4SLinus Torvalds struct nfs3_linkargs arg = { 5111da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 5121da177e4SLinus Torvalds .tofh = NFS_FH(dir), 5131da177e4SLinus Torvalds .toname = name->name, 5141da177e4SLinus Torvalds .tolen = name->len 5151da177e4SLinus Torvalds }; 516136f2627STrond Myklebust struct nfs3_linkres res; 517dead28daSChuck Lever struct rpc_message msg = { 518dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 519dead28daSChuck Lever .rpc_argp = &arg, 520dead28daSChuck Lever .rpc_resp = &res, 521dead28daSChuck Lever }; 522136f2627STrond Myklebust int status = -ENOMEM; 5231da177e4SLinus Torvalds 5241da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 525136f2627STrond Myklebust res.fattr = nfs_alloc_fattr(); 526136f2627STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 527136f2627STrond Myklebust if (res.fattr == NULL || res.dir_attr == NULL) 528136f2627STrond Myklebust goto out; 529136f2627STrond Myklebust 530dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 531136f2627STrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 532136f2627STrond Myklebust nfs_post_op_update_inode(inode, res.fattr); 533136f2627STrond Myklebust out: 534136f2627STrond Myklebust nfs_free_fattr(res.dir_attr); 535136f2627STrond Myklebust nfs_free_fattr(res.fattr); 5361da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 5371da177e4SLinus Torvalds return status; 5381da177e4SLinus Torvalds } 5391da177e4SLinus Torvalds 5401da177e4SLinus Torvalds static int 54194a6d753SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 54294a6d753SChuck Lever unsigned int len, struct iattr *sattr) 5431da177e4SLinus Torvalds { 5440b4aae7aSTrond Myklebust struct nfs3_createdata *data; 5450b4aae7aSTrond Myklebust int status = -ENOMEM; 5461da177e4SLinus Torvalds 54794a6d753SChuck Lever if (len > NFS3_MAXPATHLEN) 5481da177e4SLinus Torvalds return -ENAMETOOLONG; 5494f390c15SChuck Lever 55094a6d753SChuck Lever dprintk("NFS call symlink %s\n", dentry->d_name.name); 55194a6d753SChuck Lever 5520b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5530b4aae7aSTrond Myklebust if (data == NULL) 5544f390c15SChuck Lever goto out; 5550b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK]; 5560b4aae7aSTrond Myklebust data->arg.symlink.fromfh = NFS_FH(dir); 5570b4aae7aSTrond Myklebust data->arg.symlink.fromname = dentry->d_name.name; 5580b4aae7aSTrond Myklebust data->arg.symlink.fromlen = dentry->d_name.len; 5590b4aae7aSTrond Myklebust data->arg.symlink.pages = &page; 5600b4aae7aSTrond Myklebust data->arg.symlink.pathlen = len; 5610b4aae7aSTrond Myklebust data->arg.symlink.sattr = sattr; 5620b4aae7aSTrond Myklebust 5630b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 5640b4aae7aSTrond Myklebust 5650b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5664f390c15SChuck Lever out: 5671da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5681da177e4SLinus Torvalds return status; 5691da177e4SLinus Torvalds } 5701da177e4SLinus Torvalds 5711da177e4SLinus Torvalds static int 5721da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5731da177e4SLinus Torvalds { 5740b4aae7aSTrond Myklebust struct nfs3_createdata *data; 575d3fb6120SAl Viro umode_t mode = sattr->ia_mode; 5760b4aae7aSTrond Myklebust int status = -ENOMEM; 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 579055ffbeaSAndreas Gruenbacher 580ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 581055ffbeaSAndreas Gruenbacher 5820b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5830b4aae7aSTrond Myklebust if (data == NULL) 5840b4aae7aSTrond Myklebust goto out; 5850b4aae7aSTrond Myklebust 5860b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR]; 5870b4aae7aSTrond Myklebust data->arg.mkdir.fh = NFS_FH(dir); 5880b4aae7aSTrond Myklebust data->arg.mkdir.name = dentry->d_name.name; 5890b4aae7aSTrond Myklebust data->arg.mkdir.len = dentry->d_name.len; 5900b4aae7aSTrond Myklebust data->arg.mkdir.sattr = sattr; 5910b4aae7aSTrond Myklebust 5920b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 593055ffbeaSAndreas Gruenbacher if (status != 0) 594055ffbeaSAndreas Gruenbacher goto out; 5950b4aae7aSTrond Myklebust 596055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 597055ffbeaSAndreas Gruenbacher out: 5980b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5991da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 6001da177e4SLinus Torvalds return status; 6011da177e4SLinus Torvalds } 6021da177e4SLinus Torvalds 6031da177e4SLinus Torvalds static int 6041da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 6051da177e4SLinus Torvalds { 60639967ddfSTrond Myklebust struct nfs_fattr *dir_attr; 6071da177e4SLinus Torvalds struct nfs3_diropargs arg = { 6081da177e4SLinus Torvalds .fh = NFS_FH(dir), 6091da177e4SLinus Torvalds .name = name->name, 6101da177e4SLinus Torvalds .len = name->len 6111da177e4SLinus Torvalds }; 612dead28daSChuck Lever struct rpc_message msg = { 613dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 614dead28daSChuck Lever .rpc_argp = &arg, 615dead28daSChuck Lever }; 61639967ddfSTrond Myklebust int status = -ENOMEM; 6171da177e4SLinus Torvalds 6181da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 61939967ddfSTrond Myklebust dir_attr = nfs_alloc_fattr(); 62039967ddfSTrond Myklebust if (dir_attr == NULL) 62139967ddfSTrond Myklebust goto out; 62239967ddfSTrond Myklebust 62339967ddfSTrond Myklebust msg.rpc_resp = dir_attr; 624dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 62539967ddfSTrond Myklebust nfs_post_op_update_inode(dir, dir_attr); 62639967ddfSTrond Myklebust nfs_free_fattr(dir_attr); 62739967ddfSTrond Myklebust out: 6281da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 6291da177e4SLinus Torvalds return status; 6301da177e4SLinus Torvalds } 6311da177e4SLinus Torvalds 6321da177e4SLinus Torvalds /* 6331da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 6341da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 6351da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 6361da177e4SLinus Torvalds * sure the reply is syntactically correct. 6371da177e4SLinus Torvalds * 6381da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 6391da177e4SLinus Torvalds * readdirplus. 6401da177e4SLinus Torvalds */ 6411da177e4SLinus Torvalds static int 6421da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 64356e4ebf8SBryan Schumaker u64 cookie, struct page **pages, unsigned int count, int plus) 6441da177e4SLinus Torvalds { 6451da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 646c3f52af3STrond Myklebust __be32 *verf = NFS_I(dir)->cookieverf; 6471da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6481da177e4SLinus Torvalds .fh = NFS_FH(dir), 6491da177e4SLinus Torvalds .cookie = cookie, 6501da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6511da177e4SLinus Torvalds .plus = plus, 6521da177e4SLinus Torvalds .count = count, 65356e4ebf8SBryan Schumaker .pages = pages 6541da177e4SLinus Torvalds }; 6551da177e4SLinus Torvalds struct nfs3_readdirres res = { 6561da177e4SLinus Torvalds .verf = verf, 6571da177e4SLinus Torvalds .plus = plus 6581da177e4SLinus Torvalds }; 6591da177e4SLinus Torvalds struct rpc_message msg = { 6601da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6611da177e4SLinus Torvalds .rpc_argp = &arg, 6621da177e4SLinus Torvalds .rpc_resp = &res, 6631da177e4SLinus Torvalds .rpc_cred = cred 6641da177e4SLinus Torvalds }; 665aa49b4cfSTrond Myklebust int status = -ENOMEM; 6661da177e4SLinus Torvalds 6671da177e4SLinus Torvalds if (plus) 6681da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6711da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6721da177e4SLinus Torvalds 673aa49b4cfSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 674aa49b4cfSTrond Myklebust if (res.dir_attr == NULL) 675aa49b4cfSTrond Myklebust goto out; 676aa49b4cfSTrond Myklebust 6771da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 678c4812998STrond Myklebust 679c4812998STrond Myklebust nfs_invalidate_atime(dir); 680aa49b4cfSTrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 681c4812998STrond Myklebust 682aa49b4cfSTrond Myklebust nfs_free_fattr(res.dir_attr); 683aa49b4cfSTrond Myklebust out: 684d141d974SChuck Lever dprintk("NFS reply readdir%s: %d\n", 685d141d974SChuck Lever plus? "plus" : "", status); 6861da177e4SLinus Torvalds return status; 6871da177e4SLinus Torvalds } 6881da177e4SLinus Torvalds 6891da177e4SLinus Torvalds static int 6901da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 6911da177e4SLinus Torvalds dev_t rdev) 6921da177e4SLinus Torvalds { 6930b4aae7aSTrond Myklebust struct nfs3_createdata *data; 694d3fb6120SAl Viro umode_t mode = sattr->ia_mode; 6950b4aae7aSTrond Myklebust int status = -ENOMEM; 6961da177e4SLinus Torvalds 6971da177e4SLinus Torvalds dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, 6981da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 699055ffbeaSAndreas Gruenbacher 700ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 701055ffbeaSAndreas Gruenbacher 7020b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 7030b4aae7aSTrond Myklebust if (data == NULL) 704055ffbeaSAndreas Gruenbacher goto out; 7050b4aae7aSTrond Myklebust 7060b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD]; 7070b4aae7aSTrond Myklebust data->arg.mknod.fh = NFS_FH(dir); 7080b4aae7aSTrond Myklebust data->arg.mknod.name = dentry->d_name.name; 7090b4aae7aSTrond Myklebust data->arg.mknod.len = dentry->d_name.len; 7100b4aae7aSTrond Myklebust data->arg.mknod.sattr = sattr; 7110b4aae7aSTrond Myklebust data->arg.mknod.rdev = rdev; 7120b4aae7aSTrond Myklebust 7130b4aae7aSTrond Myklebust switch (sattr->ia_mode & S_IFMT) { 7140b4aae7aSTrond Myklebust case S_IFBLK: 7150b4aae7aSTrond Myklebust data->arg.mknod.type = NF3BLK; 7160b4aae7aSTrond Myklebust break; 7170b4aae7aSTrond Myklebust case S_IFCHR: 7180b4aae7aSTrond Myklebust data->arg.mknod.type = NF3CHR; 7190b4aae7aSTrond Myklebust break; 7200b4aae7aSTrond Myklebust case S_IFIFO: 7210b4aae7aSTrond Myklebust data->arg.mknod.type = NF3FIFO; 7220b4aae7aSTrond Myklebust break; 7230b4aae7aSTrond Myklebust case S_IFSOCK: 7240b4aae7aSTrond Myklebust data->arg.mknod.type = NF3SOCK; 7250b4aae7aSTrond Myklebust break; 7260b4aae7aSTrond Myklebust default: 7270b4aae7aSTrond Myklebust status = -EINVAL; 7280b4aae7aSTrond Myklebust goto out; 7290b4aae7aSTrond Myklebust } 7300b4aae7aSTrond Myklebust 7310b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 732055ffbeaSAndreas Gruenbacher if (status != 0) 733055ffbeaSAndreas Gruenbacher goto out; 734055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 735055ffbeaSAndreas Gruenbacher out: 7360b4aae7aSTrond Myklebust nfs3_free_createdata(data); 7371da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 7381da177e4SLinus Torvalds return status; 7391da177e4SLinus Torvalds } 7401da177e4SLinus Torvalds 7411da177e4SLinus Torvalds static int 7421da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 7431da177e4SLinus Torvalds struct nfs_fsstat *stat) 7441da177e4SLinus Torvalds { 745dead28daSChuck Lever struct rpc_message msg = { 746dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 747dead28daSChuck Lever .rpc_argp = fhandle, 748dead28daSChuck Lever .rpc_resp = stat, 749dead28daSChuck Lever }; 7501da177e4SLinus Torvalds int status; 7511da177e4SLinus Torvalds 7521da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7530e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 754dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 755d141d974SChuck Lever dprintk("NFS reply fsstat: %d\n", status); 7561da177e4SLinus Torvalds return status; 7571da177e4SLinus Torvalds } 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvalds static int 76037ca8f5cSEG Keizer do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle, 7611da177e4SLinus Torvalds struct nfs_fsinfo *info) 7621da177e4SLinus Torvalds { 763dead28daSChuck Lever struct rpc_message msg = { 764dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 765dead28daSChuck Lever .rpc_argp = fhandle, 766dead28daSChuck Lever .rpc_resp = info, 767dead28daSChuck Lever }; 7681da177e4SLinus Torvalds int status; 7691da177e4SLinus Torvalds 7701da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7710e574af1STrond Myklebust nfs_fattr_init(info->fattr); 77237ca8f5cSEG Keizer status = rpc_call_sync(client, &msg, 0); 7731da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7741da177e4SLinus Torvalds return status; 7751da177e4SLinus Torvalds } 7761da177e4SLinus Torvalds 77737ca8f5cSEG Keizer /* 77837ca8f5cSEG Keizer * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via 77937ca8f5cSEG Keizer * nfs_create_server 78037ca8f5cSEG Keizer */ 78137ca8f5cSEG Keizer static int 78237ca8f5cSEG Keizer nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 78337ca8f5cSEG Keizer struct nfs_fsinfo *info) 78437ca8f5cSEG Keizer { 78537ca8f5cSEG Keizer int status; 78637ca8f5cSEG Keizer 78737ca8f5cSEG Keizer status = do_proc_fsinfo(server->client, fhandle, info); 78837ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 78937ca8f5cSEG Keizer status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info); 79037ca8f5cSEG Keizer return status; 79137ca8f5cSEG Keizer } 79237ca8f5cSEG Keizer 7931da177e4SLinus Torvalds static int 7941da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 7951da177e4SLinus Torvalds struct nfs_pathconf *info) 7961da177e4SLinus Torvalds { 797dead28daSChuck Lever struct rpc_message msg = { 798dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 799dead28daSChuck Lever .rpc_argp = fhandle, 800dead28daSChuck Lever .rpc_resp = info, 801dead28daSChuck Lever }; 8021da177e4SLinus Torvalds int status; 8031da177e4SLinus Torvalds 8041da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 8050e574af1STrond Myklebust nfs_fattr_init(info->fattr); 806dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 8071da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 8081da177e4SLinus Torvalds return status; 8091da177e4SLinus Torvalds } 8101da177e4SLinus Torvalds 811ec06c096STrond Myklebust static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) 8121da177e4SLinus Torvalds { 813cd841605SFred Isaman struct inode *inode = data->header->inode; 814cd841605SFred Isaman 815cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 816ec06c096STrond Myklebust return -EAGAIN; 8178850df99STrond Myklebust 818cd841605SFred Isaman nfs_invalidate_atime(inode); 819cd841605SFred Isaman nfs_refresh_inode(inode, &data->fattr); 820ec06c096STrond Myklebust return 0; 8211da177e4SLinus Torvalds } 8221da177e4SLinus Torvalds 823bdc7f021STrond Myklebust static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) 8241da177e4SLinus Torvalds { 825bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; 8261da177e4SLinus Torvalds } 8271da177e4SLinus Torvalds 828ea7c3303SBryan Schumaker static void nfs3_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data) 829ea7c3303SBryan Schumaker { 830ea7c3303SBryan Schumaker rpc_call_start(task); 831ea7c3303SBryan Schumaker } 832ea7c3303SBryan Schumaker 833788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 8341da177e4SLinus Torvalds { 835cd841605SFred Isaman struct inode *inode = data->header->inode; 836cd841605SFred Isaman 837cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 838788e7a89STrond Myklebust return -EAGAIN; 8391da177e4SLinus Torvalds if (task->tk_status >= 0) 840cd841605SFred Isaman nfs_post_op_update_inode_force_wcc(inode, data->res.fattr); 841788e7a89STrond Myklebust return 0; 8421da177e4SLinus Torvalds } 8431da177e4SLinus Torvalds 844bdc7f021STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) 8451da177e4SLinus Torvalds { 846bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; 8471da177e4SLinus Torvalds } 8481da177e4SLinus Torvalds 849c6cb80d0SBryan Schumaker static void nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data) 850c6cb80d0SBryan Schumaker { 851c6cb80d0SBryan Schumaker rpc_call_start(task); 852c6cb80d0SBryan Schumaker } 853c6cb80d0SBryan Schumaker 8540b7c0153SFred Isaman static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 8550b7c0153SFred Isaman { 8560b7c0153SFred Isaman rpc_call_start(task); 8570b7c0153SFred Isaman } 8580b7c0153SFred Isaman 8590b7c0153SFred Isaman static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data) 8601da177e4SLinus Torvalds { 861006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 862788e7a89STrond Myklebust return -EAGAIN; 8639e08a3c5STrond Myklebust nfs_refresh_inode(data->inode, data->res.fattr); 864788e7a89STrond Myklebust return 0; 8651da177e4SLinus Torvalds } 8661da177e4SLinus Torvalds 8670b7c0153SFred Isaman static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg) 8681da177e4SLinus Torvalds { 869bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; 8701da177e4SLinus Torvalds } 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvalds static int 8731da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 8741da177e4SLinus Torvalds { 8751093a60eSChuck Lever struct inode *inode = filp->f_path.dentry->d_inode; 8761093a60eSChuck Lever 8771093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 8781da177e4SLinus Torvalds } 8791da177e4SLinus Torvalds 880011e2a7fSBryan Schumaker static int nfs3_have_delegation(struct inode *inode, fmode_t flags) 881011e2a7fSBryan Schumaker { 882011e2a7fSBryan Schumaker return 0; 883011e2a7fSBryan Schumaker } 884011e2a7fSBryan Schumaker 88557ec14c5SBryan Schumaker static int nfs3_return_delegation(struct inode *inode) 88657ec14c5SBryan Schumaker { 88757ec14c5SBryan Schumaker nfs_wb_all(inode); 88857ec14c5SBryan Schumaker return 0; 88957ec14c5SBryan Schumaker } 89057ec14c5SBryan Schumaker 891ab96291eSBryan Schumaker static const struct inode_operations nfs3_dir_inode_operations = { 892ab96291eSBryan Schumaker .create = nfs_create, 893ab96291eSBryan Schumaker .lookup = nfs_lookup, 894ab96291eSBryan Schumaker .link = nfs_link, 895ab96291eSBryan Schumaker .unlink = nfs_unlink, 896ab96291eSBryan Schumaker .symlink = nfs_symlink, 897ab96291eSBryan Schumaker .mkdir = nfs_mkdir, 898ab96291eSBryan Schumaker .rmdir = nfs_rmdir, 899ab96291eSBryan Schumaker .mknod = nfs_mknod, 900ab96291eSBryan Schumaker .rename = nfs_rename, 901ab96291eSBryan Schumaker .permission = nfs_permission, 902ab96291eSBryan Schumaker .getattr = nfs_getattr, 903ab96291eSBryan Schumaker .setattr = nfs_setattr, 904ab96291eSBryan Schumaker .listxattr = nfs3_listxattr, 905ab96291eSBryan Schumaker .getxattr = nfs3_getxattr, 906ab96291eSBryan Schumaker .setxattr = nfs3_setxattr, 907ab96291eSBryan Schumaker .removexattr = nfs3_removexattr, 908ab96291eSBryan Schumaker }; 909ab96291eSBryan Schumaker 910ab96291eSBryan Schumaker static const struct inode_operations nfs3_file_inode_operations = { 911ab96291eSBryan Schumaker .permission = nfs_permission, 912ab96291eSBryan Schumaker .getattr = nfs_getattr, 913ab96291eSBryan Schumaker .setattr = nfs_setattr, 914ab96291eSBryan Schumaker .listxattr = nfs3_listxattr, 915ab96291eSBryan Schumaker .getxattr = nfs3_getxattr, 916ab96291eSBryan Schumaker .setxattr = nfs3_setxattr, 917ab96291eSBryan Schumaker .removexattr = nfs3_removexattr, 918ab96291eSBryan Schumaker }; 919ab96291eSBryan Schumaker 920509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 9211da177e4SLinus Torvalds .version = 3, /* protocol version */ 9221da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 923b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 924b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 9251788ea6eSJeff Layton .file_ops = &nfs_file_operations, 9261da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 927281cad46SBryan Schumaker .submount = nfs_submount, 928ff9099f2SBryan Schumaker .try_mount = nfs_try_mount, 9291da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 9301da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 9311da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 9321da177e4SLinus Torvalds .access = nfs3_proc_access, 9331da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 9341da177e4SLinus Torvalds .create = nfs3_proc_create, 9351da177e4SLinus Torvalds .remove = nfs3_proc_remove, 9361da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 93734e137ccSBryan Schumaker .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare, 9381da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 9391da177e4SLinus Torvalds .rename = nfs3_proc_rename, 940d3d4152aSJeff Layton .rename_setup = nfs3_proc_rename_setup, 941c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare, 942d3d4152aSJeff Layton .rename_done = nfs3_proc_rename_done, 9431da177e4SLinus Torvalds .link = nfs3_proc_link, 9441da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 9451da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 9461da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 9471da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 9481da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 9491da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 9501da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 9511da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 9521da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 9531da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 9541abb5088SBryan Schumaker .read_pageio_init = nfs_pageio_init_read, 955ea7c3303SBryan Schumaker .read_rpc_prepare = nfs3_proc_read_rpc_prepare, 956ec06c096STrond Myklebust .read_done = nfs3_read_done, 9571da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 95857208fa7SBryan Schumaker .write_pageio_init = nfs_pageio_init_write, 959c6cb80d0SBryan Schumaker .write_rpc_prepare = nfs3_proc_write_rpc_prepare, 960788e7a89STrond Myklebust .write_done = nfs3_write_done, 9611da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 9620b7c0153SFred Isaman .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare, 963788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 9641da177e4SLinus Torvalds .lock = nfs3_proc_lock, 9655c6a9f7dSAndreas Gruenbacher .clear_acl_cache = nfs3_forget_cached_acls, 9667fe5c398STrond Myklebust .close_context = nfs_close_context, 967011e2a7fSBryan Schumaker .have_delegation = nfs3_have_delegation, 96857ec14c5SBryan Schumaker .return_delegation = nfs3_return_delegation, 9696663ee7fSBryan Schumaker .alloc_client = nfs_alloc_client, 97045a52a02SAndy Adamson .init_client = nfs_init_client, 971cdb7ecedSBryan Schumaker .free_client = nfs_free_client, 9721179acc6SBryan Schumaker .create_server = nfs3_create_server, 9731179acc6SBryan Schumaker .clone_server = nfs3_clone_server, 9741da177e4SLinus Torvalds }; 975