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> 210a6be655STejun Heo #include <linux/xattr.h> 221da177e4SLinus Torvalds 23006ea73eSChuck Lever #include "iostat.h" 24f7b422b1SDavid Howells #include "internal.h" 25006ea73eSChuck Lever 261da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 271da177e4SLinus Torvalds 28eb96d5c9SAndy Adamson /* A wrapper to handle the EJUKEBOX error messages */ 291da177e4SLinus Torvalds static int 301da177e4SLinus Torvalds nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 311da177e4SLinus Torvalds { 321da177e4SLinus Torvalds int res; 331da177e4SLinus Torvalds do { 341da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 35eb96d5c9SAndy Adamson if (res != -EJUKEBOX) 361da177e4SLinus Torvalds break; 37416ad3c9SColin Cross freezable_schedule_timeout_killable_unsafe(NFS_JUKEBOX_RETRY_TIME); 381da177e4SLinus Torvalds res = -ERESTARTSYS; 39150030b7SMatthew Wilcox } while (!fatal_signal_pending(current)); 401da177e4SLinus Torvalds return res; 411da177e4SLinus Torvalds } 421da177e4SLinus Torvalds 43dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds static int 46006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 471da177e4SLinus Torvalds { 48eb96d5c9SAndy Adamson if (task->tk_status != -EJUKEBOX) 491da177e4SLinus Torvalds return 0; 50b68d69b8SJeff Layton if (task->tk_status == -EJUKEBOX) 51006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 521da177e4SLinus Torvalds task->tk_status = 0; 531da177e4SLinus Torvalds rpc_restart_call(task); 541da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 551da177e4SLinus Torvalds return 1; 561da177e4SLinus Torvalds } 571da177e4SLinus Torvalds 5803c21733SJ. Bruce Fields static int 5903c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 6003c21733SJ. Bruce Fields struct nfs_fsinfo *info) 6103c21733SJ. Bruce Fields { 62dead28daSChuck Lever struct rpc_message msg = { 63dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 64dead28daSChuck Lever .rpc_argp = fhandle, 65dead28daSChuck Lever .rpc_resp = info, 66dead28daSChuck Lever }; 6703c21733SJ. Bruce Fields int status; 6803c21733SJ. Bruce Fields 693110ff80SHarvey Harrison dprintk("%s: call fsinfo\n", __func__); 7003c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 71dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 723110ff80SHarvey Harrison dprintk("%s: reply fsinfo: %d\n", __func__, status); 7308660043STrond Myklebust if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) { 74dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 75dead28daSChuck Lever msg.rpc_resp = info->fattr; 76dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 773110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 7803c21733SJ. Bruce Fields } 7903c21733SJ. Bruce Fields return status; 8003c21733SJ. Bruce Fields } 8103c21733SJ. Bruce Fields 821da177e4SLinus Torvalds /* 8354ceac45SDavid Howells * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb 841da177e4SLinus Torvalds */ 851da177e4SLinus Torvalds static int 861da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 871da177e4SLinus Torvalds struct nfs_fsinfo *info) 881da177e4SLinus Torvalds { 891da177e4SLinus Torvalds int status; 901da177e4SLinus Torvalds 9103c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 925006a76cSDavid Howells if (status && server->nfs_client->cl_rpcclient != server->client) 935006a76cSDavid Howells status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); 941da177e4SLinus Torvalds return status; 951da177e4SLinus Torvalds } 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds /* 981da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 991da177e4SLinus Torvalds */ 1001da177e4SLinus Torvalds static int 1011da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1021775fd3eSDavid Quigley struct nfs_fattr *fattr, struct nfs4_label *label) 1031da177e4SLinus Torvalds { 104dead28daSChuck Lever struct rpc_message msg = { 105dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], 106dead28daSChuck Lever .rpc_argp = fhandle, 107dead28daSChuck Lever .rpc_resp = fattr, 108dead28daSChuck Lever }; 1091da177e4SLinus Torvalds int status; 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1120e574af1STrond Myklebust nfs_fattr_init(fattr); 113dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1141da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1151da177e4SLinus Torvalds return status; 1161da177e4SLinus Torvalds } 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds static int 1191da177e4SLinus Torvalds nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1201da177e4SLinus Torvalds struct iattr *sattr) 1211da177e4SLinus Torvalds { 1221da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1231da177e4SLinus Torvalds struct nfs3_sattrargs arg = { 1241da177e4SLinus Torvalds .fh = NFS_FH(inode), 1251da177e4SLinus Torvalds .sattr = sattr, 1261da177e4SLinus Torvalds }; 127dead28daSChuck Lever struct rpc_message msg = { 128dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], 129dead28daSChuck Lever .rpc_argp = &arg, 130dead28daSChuck Lever .rpc_resp = fattr, 131dead28daSChuck Lever }; 1321da177e4SLinus Torvalds int status; 1331da177e4SLinus Torvalds 1341da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 135659bfcd6STrond Myklebust if (sattr->ia_valid & ATTR_FILE) 136659bfcd6STrond Myklebust msg.rpc_cred = nfs_file_cred(sattr->ia_file); 1370e574af1STrond Myklebust nfs_fattr_init(fattr); 138dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 13965e4308dSTrond Myklebust if (status == 0) 14065e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1411da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1421da177e4SLinus Torvalds return status; 1431da177e4SLinus Torvalds } 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds static int 14680a16b21SBryan Schumaker nfs3_proc_lookup(struct inode *dir, struct qstr *name, 1471775fd3eSDavid Quigley struct nfs_fh *fhandle, struct nfs_fattr *fattr, 1481775fd3eSDavid Quigley struct nfs4_label *label) 1491da177e4SLinus Torvalds { 1501da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1511da177e4SLinus Torvalds .fh = NFS_FH(dir), 1521da177e4SLinus Torvalds .name = name->name, 1531da177e4SLinus Torvalds .len = name->len 1541da177e4SLinus Torvalds }; 1551da177e4SLinus Torvalds struct nfs3_diropres res = { 1561da177e4SLinus Torvalds .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); 167e1fb4d05STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 168e1fb4d05STrond Myklebust if (res.dir_attr == NULL) 169e1fb4d05STrond Myklebust return -ENOMEM; 170e1fb4d05STrond Myklebust 1710e574af1STrond Myklebust nfs_fattr_init(fattr); 172dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 173e1fb4d05STrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 174dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 175dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 176dead28daSChuck Lever msg.rpc_argp = fhandle; 177dead28daSChuck Lever msg.rpc_resp = fattr; 178dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 179dead28daSChuck Lever } 180e1fb4d05STrond Myklebust nfs_free_fattr(res.dir_attr); 1811da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1821da177e4SLinus Torvalds return status; 1831da177e4SLinus Torvalds } 1841da177e4SLinus Torvalds 1851da177e4SLinus Torvalds static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 1861da177e4SLinus Torvalds { 1871da177e4SLinus Torvalds struct nfs3_accessargs arg = { 1881da177e4SLinus Torvalds .fh = NFS_FH(inode), 1891da177e4SLinus Torvalds }; 190c407d41aSTrond Myklebust struct nfs3_accessres res; 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; 198c407d41aSTrond Myklebust int status = -ENOMEM; 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 } 215c407d41aSTrond Myklebust 216c407d41aSTrond Myklebust res.fattr = nfs_alloc_fattr(); 217c407d41aSTrond Myklebust if (res.fattr == NULL) 218c407d41aSTrond Myklebust goto out; 219c407d41aSTrond Myklebust 2201da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 221c407d41aSTrond Myklebust nfs_refresh_inode(inode, res.fattr); 2221da177e4SLinus Torvalds if (status == 0) { 2231da177e4SLinus Torvalds entry->mask = 0; 2241da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2251da177e4SLinus Torvalds entry->mask |= MAY_READ; 2261da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2271da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2281da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2291da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2301da177e4SLinus Torvalds } 231c407d41aSTrond Myklebust nfs_free_fattr(res.fattr); 232c407d41aSTrond Myklebust out: 2331da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2341da177e4SLinus Torvalds return status; 2351da177e4SLinus Torvalds } 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2381da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2391da177e4SLinus Torvalds { 2403b14d654STrond Myklebust struct nfs_fattr *fattr; 2411da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2421da177e4SLinus Torvalds .fh = NFS_FH(inode), 2431da177e4SLinus Torvalds .pgbase = pgbase, 2441da177e4SLinus Torvalds .pglen = pglen, 2451da177e4SLinus Torvalds .pages = &page 2461da177e4SLinus Torvalds }; 247dead28daSChuck Lever struct rpc_message msg = { 248dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 249dead28daSChuck Lever .rpc_argp = &args, 250dead28daSChuck Lever }; 2513b14d654STrond Myklebust int status = -ENOMEM; 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2543b14d654STrond Myklebust fattr = nfs_alloc_fattr(); 2553b14d654STrond Myklebust if (fattr == NULL) 2563b14d654STrond Myklebust goto out; 2573b14d654STrond Myklebust msg.rpc_resp = fattr; 2583b14d654STrond Myklebust 259dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2603b14d654STrond Myklebust nfs_refresh_inode(inode, fattr); 2613b14d654STrond Myklebust nfs_free_fattr(fattr); 2623b14d654STrond Myklebust out: 2631da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2641da177e4SLinus Torvalds return status; 2651da177e4SLinus Torvalds } 2661da177e4SLinus Torvalds 2670b4aae7aSTrond Myklebust struct nfs3_createdata { 2680b4aae7aSTrond Myklebust struct rpc_message msg; 2690b4aae7aSTrond Myklebust union { 2700b4aae7aSTrond Myklebust struct nfs3_createargs create; 2710b4aae7aSTrond Myklebust struct nfs3_mkdirargs mkdir; 2720b4aae7aSTrond Myklebust struct nfs3_symlinkargs symlink; 2730b4aae7aSTrond Myklebust struct nfs3_mknodargs mknod; 2740b4aae7aSTrond Myklebust } arg; 2750b4aae7aSTrond Myklebust struct nfs3_diropres res; 2760b4aae7aSTrond Myklebust struct nfs_fh fh; 2770b4aae7aSTrond Myklebust struct nfs_fattr fattr; 2780b4aae7aSTrond Myklebust struct nfs_fattr dir_attr; 2790b4aae7aSTrond Myklebust }; 2800b4aae7aSTrond Myklebust 2810b4aae7aSTrond Myklebust static struct nfs3_createdata *nfs3_alloc_createdata(void) 2820b4aae7aSTrond Myklebust { 2830b4aae7aSTrond Myklebust struct nfs3_createdata *data; 2840b4aae7aSTrond Myklebust 2850b4aae7aSTrond Myklebust data = kzalloc(sizeof(*data), GFP_KERNEL); 2860b4aae7aSTrond Myklebust if (data != NULL) { 2870b4aae7aSTrond Myklebust data->msg.rpc_argp = &data->arg; 2880b4aae7aSTrond Myklebust data->msg.rpc_resp = &data->res; 2890b4aae7aSTrond Myklebust data->res.fh = &data->fh; 2900b4aae7aSTrond Myklebust data->res.fattr = &data->fattr; 2910b4aae7aSTrond Myklebust data->res.dir_attr = &data->dir_attr; 2920b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 2930b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 2940b4aae7aSTrond Myklebust } 2950b4aae7aSTrond Myklebust return data; 2960b4aae7aSTrond Myklebust } 2970b4aae7aSTrond Myklebust 2980b4aae7aSTrond Myklebust static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data) 2990b4aae7aSTrond Myklebust { 3000b4aae7aSTrond Myklebust int status; 3010b4aae7aSTrond Myklebust 3020b4aae7aSTrond Myklebust status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0); 3030b4aae7aSTrond Myklebust nfs_post_op_update_inode(dir, data->res.dir_attr); 3040b4aae7aSTrond Myklebust if (status == 0) 3051775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 3060b4aae7aSTrond Myklebust return status; 3070b4aae7aSTrond Myklebust } 3080b4aae7aSTrond Myklebust 3090b4aae7aSTrond Myklebust static void nfs3_free_createdata(struct nfs3_createdata *data) 3100b4aae7aSTrond Myklebust { 3110b4aae7aSTrond Myklebust kfree(data); 3120b4aae7aSTrond Myklebust } 3130b4aae7aSTrond Myklebust 3141da177e4SLinus Torvalds /* 3151da177e4SLinus Torvalds * Create a regular file. 3161da177e4SLinus Torvalds */ 3171da177e4SLinus Torvalds static int 3181da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 3198867fe58SMiklos Szeredi int flags) 3201da177e4SLinus Torvalds { 321013cdf10SChristoph Hellwig struct posix_acl *default_acl, *acl; 3220b4aae7aSTrond Myklebust struct nfs3_createdata *data; 3230b4aae7aSTrond Myklebust int status = -ENOMEM; 3241da177e4SLinus Torvalds 3256de1472fSAl Viro dprintk("NFS call create %pd\n", dentry); 3260b4aae7aSTrond Myklebust 3270b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 3280b4aae7aSTrond Myklebust if (data == NULL) 3290b4aae7aSTrond Myklebust goto out; 3300b4aae7aSTrond Myklebust 3310b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE]; 3320b4aae7aSTrond Myklebust data->arg.create.fh = NFS_FH(dir); 3330b4aae7aSTrond Myklebust data->arg.create.name = dentry->d_name.name; 3340b4aae7aSTrond Myklebust data->arg.create.len = dentry->d_name.len; 3350b4aae7aSTrond Myklebust data->arg.create.sattr = sattr; 3360b4aae7aSTrond Myklebust 3370b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3381da177e4SLinus Torvalds if (flags & O_EXCL) { 3390b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE; 340a9943d11STrond Myklebust data->arg.create.verifier[0] = cpu_to_be32(jiffies); 341a9943d11STrond Myklebust data->arg.create.verifier[1] = cpu_to_be32(current->pid); 3421da177e4SLinus Torvalds } 3431da177e4SLinus Torvalds 344013cdf10SChristoph Hellwig status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); 345013cdf10SChristoph Hellwig if (status) 346013cdf10SChristoph Hellwig goto out; 347055ffbeaSAndreas Gruenbacher 3480b4aae7aSTrond Myklebust for (;;) { 3490b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 3501da177e4SLinus Torvalds 3510b4aae7aSTrond Myklebust if (status != -ENOTSUPP) 3520b4aae7aSTrond Myklebust break; 3530b4aae7aSTrond Myklebust /* If the server doesn't support the exclusive creation 3540b4aae7aSTrond Myklebust * semantics, try again with simple 'guarded' mode. */ 3550b4aae7aSTrond Myklebust switch (data->arg.create.createmode) { 3561da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3570b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_GUARDED; 3581da177e4SLinus Torvalds break; 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3610b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3621da177e4SLinus Torvalds break; 3631da177e4SLinus Torvalds 3641da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3651da177e4SLinus Torvalds goto out; 3661da177e4SLinus Torvalds } 3670b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 3680b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 3691da177e4SLinus Torvalds } 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds if (status != 0) 372013cdf10SChristoph Hellwig goto out_release_acls; 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3751da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3760b4aae7aSTrond Myklebust if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) { 3771da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3781da177e4SLinus Torvalds 3791da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3801da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 3811da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 3821da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 3831da177e4SLinus Torvalds 3841da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 3851da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 3861da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 3870b4aae7aSTrond Myklebust status = nfs3_proc_setattr(dentry, data->res.fattr, sattr); 3880b4aae7aSTrond Myklebust nfs_post_op_update_inode(dentry->d_inode, data->res.fattr); 3891da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 390055ffbeaSAndreas Gruenbacher if (status != 0) 391013cdf10SChristoph Hellwig goto out_release_acls; 3920b4aae7aSTrond Myklebust } 393013cdf10SChristoph Hellwig 394013cdf10SChristoph Hellwig status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); 395013cdf10SChristoph Hellwig 396013cdf10SChristoph Hellwig out_release_acls: 397013cdf10SChristoph Hellwig posix_acl_release(acl); 398013cdf10SChristoph Hellwig posix_acl_release(default_acl); 3991da177e4SLinus Torvalds out: 4000b4aae7aSTrond Myklebust nfs3_free_createdata(data); 4011da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 4021da177e4SLinus Torvalds return status; 4031da177e4SLinus Torvalds } 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds static int 4061da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 4071da177e4SLinus Torvalds { 4084fdc17b2STrond Myklebust struct nfs_removeargs arg = { 4091da177e4SLinus Torvalds .fh = NFS_FH(dir), 41026fe5750SLinus Torvalds .name = *name, 4111da177e4SLinus Torvalds }; 4124fdc17b2STrond Myklebust struct nfs_removeres res; 4131da177e4SLinus Torvalds struct rpc_message msg = { 4141da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 4151da177e4SLinus Torvalds .rpc_argp = &arg, 4164fdc17b2STrond Myklebust .rpc_resp = &res, 4171da177e4SLinus Torvalds }; 418d346890bSTrond Myklebust int status = -ENOMEM; 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 421d346890bSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 422d346890bSTrond Myklebust if (res.dir_attr == NULL) 423d346890bSTrond Myklebust goto out; 424d346890bSTrond Myklebust 4251da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 426d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 427d346890bSTrond Myklebust nfs_free_fattr(res.dir_attr); 428d346890bSTrond Myklebust out: 4291da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 4301da177e4SLinus Torvalds return status; 4311da177e4SLinus Torvalds } 4321da177e4SLinus Torvalds 433e4eff1a6STrond Myklebust static void 434e4eff1a6STrond Myklebust nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 4351da177e4SLinus Torvalds { 4361da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 4371da177e4SLinus Torvalds } 4381da177e4SLinus Torvalds 43934e137ccSBryan Schumaker static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 44034e137ccSBryan Schumaker { 44134e137ccSBryan Schumaker rpc_call_start(task); 44234e137ccSBryan Schumaker } 44334e137ccSBryan Schumaker 4441da177e4SLinus Torvalds static int 445e4eff1a6STrond Myklebust nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) 4461da177e4SLinus Torvalds { 447e4eff1a6STrond Myklebust struct nfs_removeres *res; 448e4eff1a6STrond Myklebust if (nfs3_async_handle_jukebox(task, dir)) 4491da177e4SLinus Torvalds return 0; 450e4eff1a6STrond Myklebust res = task->tk_msg.rpc_resp; 451d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res->dir_attr); 452e4eff1a6STrond Myklebust return 1; 4531da177e4SLinus Torvalds } 4541da177e4SLinus Torvalds 455d3d4152aSJeff Layton static void 456d3d4152aSJeff Layton nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir) 457d3d4152aSJeff Layton { 458d3d4152aSJeff Layton msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME]; 459d3d4152aSJeff Layton } 460d3d4152aSJeff Layton 461c6bfa1a1SBryan Schumaker static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 462c6bfa1a1SBryan Schumaker { 463c6bfa1a1SBryan Schumaker rpc_call_start(task); 464c6bfa1a1SBryan Schumaker } 465c6bfa1a1SBryan Schumaker 466d3d4152aSJeff Layton static int 467d3d4152aSJeff Layton nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 468d3d4152aSJeff Layton struct inode *new_dir) 469d3d4152aSJeff Layton { 470d3d4152aSJeff Layton struct nfs_renameres *res; 471d3d4152aSJeff Layton 472d3d4152aSJeff Layton if (nfs3_async_handle_jukebox(task, old_dir)) 473d3d4152aSJeff Layton return 0; 474d3d4152aSJeff Layton res = task->tk_msg.rpc_resp; 475d3d4152aSJeff Layton 476d3d4152aSJeff Layton nfs_post_op_update_inode(old_dir, res->old_fattr); 477d3d4152aSJeff Layton nfs_post_op_update_inode(new_dir, res->new_fattr); 478d3d4152aSJeff Layton return 1; 479d3d4152aSJeff Layton } 480d3d4152aSJeff Layton 4811da177e4SLinus Torvalds static int 4821da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 4831da177e4SLinus Torvalds { 4841da177e4SLinus Torvalds struct nfs3_linkargs arg = { 4851da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 4861da177e4SLinus Torvalds .tofh = NFS_FH(dir), 4871da177e4SLinus Torvalds .toname = name->name, 4881da177e4SLinus Torvalds .tolen = name->len 4891da177e4SLinus Torvalds }; 490136f2627STrond Myklebust struct nfs3_linkres res; 491dead28daSChuck Lever struct rpc_message msg = { 492dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 493dead28daSChuck Lever .rpc_argp = &arg, 494dead28daSChuck Lever .rpc_resp = &res, 495dead28daSChuck Lever }; 496136f2627STrond Myklebust int status = -ENOMEM; 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 499136f2627STrond Myklebust res.fattr = nfs_alloc_fattr(); 500136f2627STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 501136f2627STrond Myklebust if (res.fattr == NULL || res.dir_attr == NULL) 502136f2627STrond Myklebust goto out; 503136f2627STrond Myklebust 504dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 505136f2627STrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 506136f2627STrond Myklebust nfs_post_op_update_inode(inode, res.fattr); 507136f2627STrond Myklebust out: 508136f2627STrond Myklebust nfs_free_fattr(res.dir_attr); 509136f2627STrond Myklebust nfs_free_fattr(res.fattr); 5101da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 5111da177e4SLinus Torvalds return status; 5121da177e4SLinus Torvalds } 5131da177e4SLinus Torvalds 5141da177e4SLinus Torvalds static int 51594a6d753SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 51694a6d753SChuck Lever unsigned int len, struct iattr *sattr) 5171da177e4SLinus Torvalds { 5180b4aae7aSTrond Myklebust struct nfs3_createdata *data; 5190b4aae7aSTrond Myklebust int status = -ENOMEM; 5201da177e4SLinus Torvalds 52194a6d753SChuck Lever if (len > NFS3_MAXPATHLEN) 5221da177e4SLinus Torvalds return -ENAMETOOLONG; 5234f390c15SChuck Lever 5246de1472fSAl Viro dprintk("NFS call symlink %pd\n", dentry); 52594a6d753SChuck Lever 5260b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5270b4aae7aSTrond Myklebust if (data == NULL) 5284f390c15SChuck Lever goto out; 5290b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK]; 5300b4aae7aSTrond Myklebust data->arg.symlink.fromfh = NFS_FH(dir); 5310b4aae7aSTrond Myklebust data->arg.symlink.fromname = dentry->d_name.name; 5320b4aae7aSTrond Myklebust data->arg.symlink.fromlen = dentry->d_name.len; 5330b4aae7aSTrond Myklebust data->arg.symlink.pages = &page; 5340b4aae7aSTrond Myklebust data->arg.symlink.pathlen = len; 5350b4aae7aSTrond Myklebust data->arg.symlink.sattr = sattr; 5360b4aae7aSTrond Myklebust 5370b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 5380b4aae7aSTrond Myklebust 5390b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5404f390c15SChuck Lever out: 5411da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5421da177e4SLinus Torvalds return status; 5431da177e4SLinus Torvalds } 5441da177e4SLinus Torvalds 5451da177e4SLinus Torvalds static int 5461da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5471da177e4SLinus Torvalds { 548013cdf10SChristoph Hellwig struct posix_acl *default_acl, *acl; 5490b4aae7aSTrond Myklebust struct nfs3_createdata *data; 5500b4aae7aSTrond Myklebust int status = -ENOMEM; 5511da177e4SLinus Torvalds 5526de1472fSAl Viro dprintk("NFS call mkdir %pd\n", dentry); 553055ffbeaSAndreas Gruenbacher 5540b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5550b4aae7aSTrond Myklebust if (data == NULL) 5560b4aae7aSTrond Myklebust goto out; 5570b4aae7aSTrond Myklebust 558013cdf10SChristoph Hellwig status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); 559013cdf10SChristoph Hellwig if (status) 560013cdf10SChristoph Hellwig goto out; 561013cdf10SChristoph Hellwig 5620b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR]; 5630b4aae7aSTrond Myklebust data->arg.mkdir.fh = NFS_FH(dir); 5640b4aae7aSTrond Myklebust data->arg.mkdir.name = dentry->d_name.name; 5650b4aae7aSTrond Myklebust data->arg.mkdir.len = dentry->d_name.len; 5660b4aae7aSTrond Myklebust data->arg.mkdir.sattr = sattr; 5670b4aae7aSTrond Myklebust 5680b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 569055ffbeaSAndreas Gruenbacher if (status != 0) 570013cdf10SChristoph Hellwig goto out_release_acls; 5710b4aae7aSTrond Myklebust 572013cdf10SChristoph Hellwig status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); 573013cdf10SChristoph Hellwig 574013cdf10SChristoph Hellwig out_release_acls: 575013cdf10SChristoph Hellwig posix_acl_release(acl); 576013cdf10SChristoph Hellwig posix_acl_release(default_acl); 577055ffbeaSAndreas Gruenbacher out: 5780b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5791da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 5801da177e4SLinus Torvalds return status; 5811da177e4SLinus Torvalds } 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds static int 5841da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 5851da177e4SLinus Torvalds { 58639967ddfSTrond Myklebust struct nfs_fattr *dir_attr; 5871da177e4SLinus Torvalds struct nfs3_diropargs arg = { 5881da177e4SLinus Torvalds .fh = NFS_FH(dir), 5891da177e4SLinus Torvalds .name = name->name, 5901da177e4SLinus Torvalds .len = name->len 5911da177e4SLinus Torvalds }; 592dead28daSChuck Lever struct rpc_message msg = { 593dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 594dead28daSChuck Lever .rpc_argp = &arg, 595dead28daSChuck Lever }; 59639967ddfSTrond Myklebust int status = -ENOMEM; 5971da177e4SLinus Torvalds 5981da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 59939967ddfSTrond Myklebust dir_attr = nfs_alloc_fattr(); 60039967ddfSTrond Myklebust if (dir_attr == NULL) 60139967ddfSTrond Myklebust goto out; 60239967ddfSTrond Myklebust 60339967ddfSTrond Myklebust msg.rpc_resp = dir_attr; 604dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 60539967ddfSTrond Myklebust nfs_post_op_update_inode(dir, dir_attr); 60639967ddfSTrond Myklebust nfs_free_fattr(dir_attr); 60739967ddfSTrond Myklebust out: 6081da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 6091da177e4SLinus Torvalds return status; 6101da177e4SLinus Torvalds } 6111da177e4SLinus Torvalds 6121da177e4SLinus Torvalds /* 6131da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 6141da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 6151da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 6161da177e4SLinus Torvalds * sure the reply is syntactically correct. 6171da177e4SLinus Torvalds * 6181da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 6191da177e4SLinus Torvalds * readdirplus. 6201da177e4SLinus Torvalds */ 6211da177e4SLinus Torvalds static int 6221da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 62356e4ebf8SBryan Schumaker u64 cookie, struct page **pages, unsigned int count, int plus) 6241da177e4SLinus Torvalds { 6251da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 626c3f52af3STrond Myklebust __be32 *verf = NFS_I(dir)->cookieverf; 6271da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6281da177e4SLinus Torvalds .fh = NFS_FH(dir), 6291da177e4SLinus Torvalds .cookie = cookie, 6301da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6311da177e4SLinus Torvalds .plus = plus, 6321da177e4SLinus Torvalds .count = count, 63356e4ebf8SBryan Schumaker .pages = pages 6341da177e4SLinus Torvalds }; 6351da177e4SLinus Torvalds struct nfs3_readdirres res = { 6361da177e4SLinus Torvalds .verf = verf, 6371da177e4SLinus Torvalds .plus = plus 6381da177e4SLinus Torvalds }; 6391da177e4SLinus Torvalds struct rpc_message msg = { 6401da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6411da177e4SLinus Torvalds .rpc_argp = &arg, 6421da177e4SLinus Torvalds .rpc_resp = &res, 6431da177e4SLinus Torvalds .rpc_cred = cred 6441da177e4SLinus Torvalds }; 645aa49b4cfSTrond Myklebust int status = -ENOMEM; 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvalds if (plus) 6481da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6491da177e4SLinus Torvalds 6501da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6511da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6521da177e4SLinus Torvalds 653aa49b4cfSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 654aa49b4cfSTrond Myklebust if (res.dir_attr == NULL) 655aa49b4cfSTrond Myklebust goto out; 656aa49b4cfSTrond Myklebust 6571da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 658c4812998STrond Myklebust 659c4812998STrond Myklebust nfs_invalidate_atime(dir); 660aa49b4cfSTrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 661c4812998STrond Myklebust 662aa49b4cfSTrond Myklebust nfs_free_fattr(res.dir_attr); 663aa49b4cfSTrond Myklebust out: 664d141d974SChuck Lever dprintk("NFS reply readdir%s: %d\n", 665d141d974SChuck Lever plus? "plus" : "", status); 6661da177e4SLinus Torvalds return status; 6671da177e4SLinus Torvalds } 6681da177e4SLinus Torvalds 6691da177e4SLinus Torvalds static int 6701da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 6711da177e4SLinus Torvalds dev_t rdev) 6721da177e4SLinus Torvalds { 673013cdf10SChristoph Hellwig struct posix_acl *default_acl, *acl; 6740b4aae7aSTrond Myklebust struct nfs3_createdata *data; 6750b4aae7aSTrond Myklebust int status = -ENOMEM; 6761da177e4SLinus Torvalds 6776de1472fSAl Viro dprintk("NFS call mknod %pd %u:%u\n", dentry, 6781da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 679055ffbeaSAndreas Gruenbacher 6800b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 6810b4aae7aSTrond Myklebust if (data == NULL) 682055ffbeaSAndreas Gruenbacher goto out; 6830b4aae7aSTrond Myklebust 684013cdf10SChristoph Hellwig status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); 685013cdf10SChristoph Hellwig if (status) 686013cdf10SChristoph Hellwig goto out; 687013cdf10SChristoph Hellwig 6880b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD]; 6890b4aae7aSTrond Myklebust data->arg.mknod.fh = NFS_FH(dir); 6900b4aae7aSTrond Myklebust data->arg.mknod.name = dentry->d_name.name; 6910b4aae7aSTrond Myklebust data->arg.mknod.len = dentry->d_name.len; 6920b4aae7aSTrond Myklebust data->arg.mknod.sattr = sattr; 6930b4aae7aSTrond Myklebust data->arg.mknod.rdev = rdev; 6940b4aae7aSTrond Myklebust 6950b4aae7aSTrond Myklebust switch (sattr->ia_mode & S_IFMT) { 6960b4aae7aSTrond Myklebust case S_IFBLK: 6970b4aae7aSTrond Myklebust data->arg.mknod.type = NF3BLK; 6980b4aae7aSTrond Myklebust break; 6990b4aae7aSTrond Myklebust case S_IFCHR: 7000b4aae7aSTrond Myklebust data->arg.mknod.type = NF3CHR; 7010b4aae7aSTrond Myklebust break; 7020b4aae7aSTrond Myklebust case S_IFIFO: 7030b4aae7aSTrond Myklebust data->arg.mknod.type = NF3FIFO; 7040b4aae7aSTrond Myklebust break; 7050b4aae7aSTrond Myklebust case S_IFSOCK: 7060b4aae7aSTrond Myklebust data->arg.mknod.type = NF3SOCK; 7070b4aae7aSTrond Myklebust break; 7080b4aae7aSTrond Myklebust default: 7090b4aae7aSTrond Myklebust status = -EINVAL; 7100b4aae7aSTrond Myklebust goto out; 7110b4aae7aSTrond Myklebust } 7120b4aae7aSTrond Myklebust 7130b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 714055ffbeaSAndreas Gruenbacher if (status != 0) 715013cdf10SChristoph Hellwig goto out_release_acls; 716013cdf10SChristoph Hellwig 717013cdf10SChristoph Hellwig status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); 718013cdf10SChristoph Hellwig 719013cdf10SChristoph Hellwig out_release_acls: 720013cdf10SChristoph Hellwig posix_acl_release(acl); 721013cdf10SChristoph Hellwig posix_acl_release(default_acl); 722055ffbeaSAndreas Gruenbacher out: 7230b4aae7aSTrond Myklebust nfs3_free_createdata(data); 7241da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 7251da177e4SLinus Torvalds return status; 7261da177e4SLinus Torvalds } 7271da177e4SLinus Torvalds 7281da177e4SLinus Torvalds static int 7291da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 7301da177e4SLinus Torvalds struct nfs_fsstat *stat) 7311da177e4SLinus Torvalds { 732dead28daSChuck Lever struct rpc_message msg = { 733dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 734dead28daSChuck Lever .rpc_argp = fhandle, 735dead28daSChuck Lever .rpc_resp = stat, 736dead28daSChuck Lever }; 7371da177e4SLinus Torvalds int status; 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7400e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 741dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 742d141d974SChuck Lever dprintk("NFS reply fsstat: %d\n", status); 7431da177e4SLinus Torvalds return status; 7441da177e4SLinus Torvalds } 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds static int 74737ca8f5cSEG Keizer do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle, 7481da177e4SLinus Torvalds struct nfs_fsinfo *info) 7491da177e4SLinus Torvalds { 750dead28daSChuck Lever struct rpc_message msg = { 751dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 752dead28daSChuck Lever .rpc_argp = fhandle, 753dead28daSChuck Lever .rpc_resp = info, 754dead28daSChuck Lever }; 7551da177e4SLinus Torvalds int status; 7561da177e4SLinus Torvalds 7571da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7580e574af1STrond Myklebust nfs_fattr_init(info->fattr); 75937ca8f5cSEG Keizer status = rpc_call_sync(client, &msg, 0); 7601da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7611da177e4SLinus Torvalds return status; 7621da177e4SLinus Torvalds } 7631da177e4SLinus Torvalds 76437ca8f5cSEG Keizer /* 76537ca8f5cSEG Keizer * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via 76637ca8f5cSEG Keizer * nfs_create_server 76737ca8f5cSEG Keizer */ 76837ca8f5cSEG Keizer static int 76937ca8f5cSEG Keizer nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 77037ca8f5cSEG Keizer struct nfs_fsinfo *info) 77137ca8f5cSEG Keizer { 77237ca8f5cSEG Keizer int status; 77337ca8f5cSEG Keizer 77437ca8f5cSEG Keizer status = do_proc_fsinfo(server->client, fhandle, info); 77537ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 77637ca8f5cSEG Keizer status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info); 77737ca8f5cSEG Keizer return status; 77837ca8f5cSEG Keizer } 77937ca8f5cSEG Keizer 7801da177e4SLinus Torvalds static int 7811da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 7821da177e4SLinus Torvalds struct nfs_pathconf *info) 7831da177e4SLinus Torvalds { 784dead28daSChuck Lever struct rpc_message msg = { 785dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 786dead28daSChuck Lever .rpc_argp = fhandle, 787dead28daSChuck Lever .rpc_resp = info, 788dead28daSChuck Lever }; 7891da177e4SLinus Torvalds int status; 7901da177e4SLinus Torvalds 7911da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 7920e574af1STrond Myklebust nfs_fattr_init(info->fattr); 793dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7941da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 7951da177e4SLinus Torvalds return status; 7961da177e4SLinus Torvalds } 7971da177e4SLinus Torvalds 798d45f60c6SWeston Andros Adamson static int nfs3_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 7991da177e4SLinus Torvalds { 800d45f60c6SWeston Andros Adamson struct inode *inode = hdr->inode; 801cd841605SFred Isaman 802cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 803ec06c096STrond Myklebust return -EAGAIN; 8048850df99STrond Myklebust 805cd841605SFred Isaman nfs_invalidate_atime(inode); 806d45f60c6SWeston Andros Adamson nfs_refresh_inode(inode, &hdr->fattr); 807ec06c096STrond Myklebust return 0; 8081da177e4SLinus Torvalds } 8091da177e4SLinus Torvalds 810d45f60c6SWeston Andros Adamson static void nfs3_proc_read_setup(struct nfs_pgio_header *hdr, 811d45f60c6SWeston Andros Adamson struct rpc_message *msg) 8121da177e4SLinus Torvalds { 813bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; 8141da177e4SLinus Torvalds } 8151da177e4SLinus Torvalds 816d45f60c6SWeston Andros Adamson static int nfs3_proc_pgio_rpc_prepare(struct rpc_task *task, 817d45f60c6SWeston Andros Adamson struct nfs_pgio_header *hdr) 818ea7c3303SBryan Schumaker { 819ea7c3303SBryan Schumaker rpc_call_start(task); 820ef1820f9SNeilBrown return 0; 821ea7c3303SBryan Schumaker } 822ea7c3303SBryan Schumaker 823d45f60c6SWeston Andros Adamson static int nfs3_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) 8241da177e4SLinus Torvalds { 825d45f60c6SWeston Andros Adamson struct inode *inode = hdr->inode; 826cd841605SFred Isaman 827cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 828788e7a89STrond Myklebust return -EAGAIN; 8291da177e4SLinus Torvalds if (task->tk_status >= 0) 830d45f60c6SWeston Andros Adamson nfs_post_op_update_inode_force_wcc(inode, hdr->res.fattr); 831788e7a89STrond Myklebust return 0; 8321da177e4SLinus Torvalds } 8331da177e4SLinus Torvalds 834d45f60c6SWeston Andros Adamson static void nfs3_proc_write_setup(struct nfs_pgio_header *hdr, 835d45f60c6SWeston Andros Adamson struct rpc_message *msg) 8361da177e4SLinus Torvalds { 837bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; 8381da177e4SLinus Torvalds } 8391da177e4SLinus Torvalds 8400b7c0153SFred Isaman static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 8410b7c0153SFred Isaman { 8420b7c0153SFred Isaman rpc_call_start(task); 8430b7c0153SFred Isaman } 8440b7c0153SFred Isaman 8450b7c0153SFred Isaman static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data) 8461da177e4SLinus Torvalds { 847006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 848788e7a89STrond Myklebust return -EAGAIN; 8499e08a3c5STrond Myklebust nfs_refresh_inode(data->inode, data->res.fattr); 850788e7a89STrond Myklebust return 0; 8511da177e4SLinus Torvalds } 8521da177e4SLinus Torvalds 8530b7c0153SFred Isaman static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg) 8541da177e4SLinus Torvalds { 855bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; 8561da177e4SLinus Torvalds } 8571da177e4SLinus Torvalds 8581da177e4SLinus Torvalds static int 8591da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 8601da177e4SLinus Torvalds { 861496ad9aaSAl Viro struct inode *inode = file_inode(filp); 8621093a60eSChuck Lever 8631093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 8641da177e4SLinus Torvalds } 8651da177e4SLinus Torvalds 866011e2a7fSBryan Schumaker static int nfs3_have_delegation(struct inode *inode, fmode_t flags) 867011e2a7fSBryan Schumaker { 868011e2a7fSBryan Schumaker return 0; 869011e2a7fSBryan Schumaker } 870011e2a7fSBryan Schumaker 87157ec14c5SBryan Schumaker static int nfs3_return_delegation(struct inode *inode) 87257ec14c5SBryan Schumaker { 87357ec14c5SBryan Schumaker nfs_wb_all(inode); 87457ec14c5SBryan Schumaker return 0; 87557ec14c5SBryan Schumaker } 87657ec14c5SBryan Schumaker 877ab96291eSBryan Schumaker static const struct inode_operations nfs3_dir_inode_operations = { 878ab96291eSBryan Schumaker .create = nfs_create, 879ab96291eSBryan Schumaker .lookup = nfs_lookup, 880ab96291eSBryan Schumaker .link = nfs_link, 881ab96291eSBryan Schumaker .unlink = nfs_unlink, 882ab96291eSBryan Schumaker .symlink = nfs_symlink, 883ab96291eSBryan Schumaker .mkdir = nfs_mkdir, 884ab96291eSBryan Schumaker .rmdir = nfs_rmdir, 885ab96291eSBryan Schumaker .mknod = nfs_mknod, 886ab96291eSBryan Schumaker .rename = nfs_rename, 887ab96291eSBryan Schumaker .permission = nfs_permission, 888ab96291eSBryan Schumaker .getattr = nfs_getattr, 889ab96291eSBryan Schumaker .setattr = nfs_setattr, 8905f13ee9cSChristoph Hellwig #ifdef CONFIG_NFS_V3_ACL 891013cdf10SChristoph Hellwig .listxattr = generic_listxattr, 892013cdf10SChristoph Hellwig .getxattr = generic_getxattr, 893013cdf10SChristoph Hellwig .setxattr = generic_setxattr, 894013cdf10SChristoph Hellwig .removexattr = generic_removexattr, 895013cdf10SChristoph Hellwig .get_acl = nfs3_get_acl, 896013cdf10SChristoph Hellwig .set_acl = nfs3_set_acl, 897013cdf10SChristoph Hellwig #endif 898ab96291eSBryan Schumaker }; 899ab96291eSBryan Schumaker 900ab96291eSBryan Schumaker static const struct inode_operations nfs3_file_inode_operations = { 901ab96291eSBryan Schumaker .permission = nfs_permission, 902ab96291eSBryan Schumaker .getattr = nfs_getattr, 903ab96291eSBryan Schumaker .setattr = nfs_setattr, 9045f13ee9cSChristoph Hellwig #ifdef CONFIG_NFS_V3_ACL 905013cdf10SChristoph Hellwig .listxattr = generic_listxattr, 906013cdf10SChristoph Hellwig .getxattr = generic_getxattr, 907013cdf10SChristoph Hellwig .setxattr = generic_setxattr, 908013cdf10SChristoph Hellwig .removexattr = generic_removexattr, 909013cdf10SChristoph Hellwig .get_acl = nfs3_get_acl, 910013cdf10SChristoph Hellwig .set_acl = nfs3_set_acl, 911013cdf10SChristoph Hellwig #endif 912ab96291eSBryan Schumaker }; 913ab96291eSBryan Schumaker 914509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 9151da177e4SLinus Torvalds .version = 3, /* protocol version */ 9161da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 917b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 918b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 9191788ea6eSJeff Layton .file_ops = &nfs_file_operations, 9201da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 921281cad46SBryan Schumaker .submount = nfs_submount, 922ff9099f2SBryan Schumaker .try_mount = nfs_try_mount, 9231da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 9241da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 9251da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 9261da177e4SLinus Torvalds .access = nfs3_proc_access, 9271da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 9281da177e4SLinus Torvalds .create = nfs3_proc_create, 9291da177e4SLinus Torvalds .remove = nfs3_proc_remove, 9301da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 93134e137ccSBryan Schumaker .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare, 9321da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 933d3d4152aSJeff Layton .rename_setup = nfs3_proc_rename_setup, 934c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare, 935d3d4152aSJeff Layton .rename_done = nfs3_proc_rename_done, 9361da177e4SLinus Torvalds .link = nfs3_proc_link, 9371da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 9381da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 9391da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 9401da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 9411da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 9421da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 9431da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 9441da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 9451da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 946a4cdda59SAnna Schumaker .pgio_rpc_prepare = nfs3_proc_pgio_rpc_prepare, 9471da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 948ec06c096STrond Myklebust .read_done = nfs3_read_done, 9491da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 950788e7a89STrond Myklebust .write_done = nfs3_write_done, 9511da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 9520b7c0153SFred Isaman .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare, 953788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 9541da177e4SLinus Torvalds .lock = nfs3_proc_lock, 955013cdf10SChristoph Hellwig .clear_acl_cache = forget_all_cached_acls, 9567fe5c398STrond Myklebust .close_context = nfs_close_context, 957011e2a7fSBryan Schumaker .have_delegation = nfs3_have_delegation, 95857ec14c5SBryan Schumaker .return_delegation = nfs3_return_delegation, 9596663ee7fSBryan Schumaker .alloc_client = nfs_alloc_client, 96045a52a02SAndy Adamson .init_client = nfs_init_client, 961cdb7ecedSBryan Schumaker .free_client = nfs_free_client, 9621179acc6SBryan Schumaker .create_server = nfs3_create_server, 9631179acc6SBryan Schumaker .clone_server = nfs3_clone_server, 9641da177e4SLinus Torvalds }; 965