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; 36416ad3c9SColin Cross freezable_schedule_timeout_killable_unsafe(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, 1011775fd3eSDavid Quigley struct nfs_fattr *fattr, struct nfs4_label *label) 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, 1461775fd3eSDavid Quigley struct nfs_fh *fhandle, struct nfs_fattr *fattr, 1471775fd3eSDavid Quigley struct nfs4_label *label) 1481da177e4SLinus Torvalds { 1491da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1501da177e4SLinus Torvalds .fh = NFS_FH(dir), 1511da177e4SLinus Torvalds .name = name->name, 1521da177e4SLinus Torvalds .len = name->len 1531da177e4SLinus Torvalds }; 1541da177e4SLinus Torvalds struct nfs3_diropres res = { 1551da177e4SLinus Torvalds .fh = fhandle, 1561da177e4SLinus Torvalds .fattr = fattr 1571da177e4SLinus Torvalds }; 158dead28daSChuck Lever struct rpc_message msg = { 159dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], 160dead28daSChuck Lever .rpc_argp = &arg, 161dead28daSChuck Lever .rpc_resp = &res, 162dead28daSChuck Lever }; 1631da177e4SLinus Torvalds int status; 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 166e1fb4d05STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 167e1fb4d05STrond Myklebust if (res.dir_attr == NULL) 168e1fb4d05STrond Myklebust return -ENOMEM; 169e1fb4d05STrond Myklebust 1700e574af1STrond Myklebust nfs_fattr_init(fattr); 171dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 172e1fb4d05STrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 173dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 174dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 175dead28daSChuck Lever msg.rpc_argp = fhandle; 176dead28daSChuck Lever msg.rpc_resp = fattr; 177dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 178dead28daSChuck Lever } 179e1fb4d05STrond Myklebust nfs_free_fattr(res.dir_attr); 1801da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1811da177e4SLinus Torvalds return status; 1821da177e4SLinus Torvalds } 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 1851da177e4SLinus Torvalds { 1861da177e4SLinus Torvalds struct nfs3_accessargs arg = { 1871da177e4SLinus Torvalds .fh = NFS_FH(inode), 1881da177e4SLinus Torvalds }; 189c407d41aSTrond Myklebust struct nfs3_accessres res; 1901da177e4SLinus Torvalds struct rpc_message msg = { 1911da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], 1921da177e4SLinus Torvalds .rpc_argp = &arg, 1931da177e4SLinus Torvalds .rpc_resp = &res, 194dead28daSChuck Lever .rpc_cred = entry->cred, 1951da177e4SLinus Torvalds }; 1961da177e4SLinus Torvalds int mode = entry->mask; 197c407d41aSTrond Myklebust int status = -ENOMEM; 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds dprintk("NFS call access\n"); 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvalds if (mode & MAY_READ) 2021da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_READ; 2031da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 2041da177e4SLinus Torvalds if (mode & MAY_WRITE) 2051da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; 2061da177e4SLinus Torvalds if (mode & MAY_EXEC) 2071da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_LOOKUP; 2081da177e4SLinus Torvalds } else { 2091da177e4SLinus Torvalds if (mode & MAY_WRITE) 2101da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; 2111da177e4SLinus Torvalds if (mode & MAY_EXEC) 2121da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_EXECUTE; 2131da177e4SLinus Torvalds } 214c407d41aSTrond Myklebust 215c407d41aSTrond Myklebust res.fattr = nfs_alloc_fattr(); 216c407d41aSTrond Myklebust if (res.fattr == NULL) 217c407d41aSTrond Myklebust goto out; 218c407d41aSTrond Myklebust 2191da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 220c407d41aSTrond Myklebust nfs_refresh_inode(inode, res.fattr); 2211da177e4SLinus Torvalds if (status == 0) { 2221da177e4SLinus Torvalds entry->mask = 0; 2231da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2241da177e4SLinus Torvalds entry->mask |= MAY_READ; 2251da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2261da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2271da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2281da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2291da177e4SLinus Torvalds } 230c407d41aSTrond Myklebust nfs_free_fattr(res.fattr); 231c407d41aSTrond Myklebust out: 2321da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2331da177e4SLinus Torvalds return status; 2341da177e4SLinus Torvalds } 2351da177e4SLinus Torvalds 2361da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2371da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2381da177e4SLinus Torvalds { 2393b14d654STrond Myklebust struct nfs_fattr *fattr; 2401da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2411da177e4SLinus Torvalds .fh = NFS_FH(inode), 2421da177e4SLinus Torvalds .pgbase = pgbase, 2431da177e4SLinus Torvalds .pglen = pglen, 2441da177e4SLinus Torvalds .pages = &page 2451da177e4SLinus Torvalds }; 246dead28daSChuck Lever struct rpc_message msg = { 247dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 248dead28daSChuck Lever .rpc_argp = &args, 249dead28daSChuck Lever }; 2503b14d654STrond Myklebust int status = -ENOMEM; 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2533b14d654STrond Myklebust fattr = nfs_alloc_fattr(); 2543b14d654STrond Myklebust if (fattr == NULL) 2553b14d654STrond Myklebust goto out; 2563b14d654STrond Myklebust msg.rpc_resp = fattr; 2573b14d654STrond Myklebust 258dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2593b14d654STrond Myklebust nfs_refresh_inode(inode, fattr); 2603b14d654STrond Myklebust nfs_free_fattr(fattr); 2613b14d654STrond Myklebust out: 2621da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2631da177e4SLinus Torvalds return status; 2641da177e4SLinus Torvalds } 2651da177e4SLinus Torvalds 2660b4aae7aSTrond Myklebust struct nfs3_createdata { 2670b4aae7aSTrond Myklebust struct rpc_message msg; 2680b4aae7aSTrond Myklebust union { 2690b4aae7aSTrond Myklebust struct nfs3_createargs create; 2700b4aae7aSTrond Myklebust struct nfs3_mkdirargs mkdir; 2710b4aae7aSTrond Myklebust struct nfs3_symlinkargs symlink; 2720b4aae7aSTrond Myklebust struct nfs3_mknodargs mknod; 2730b4aae7aSTrond Myklebust } arg; 2740b4aae7aSTrond Myklebust struct nfs3_diropres res; 2750b4aae7aSTrond Myklebust struct nfs_fh fh; 2760b4aae7aSTrond Myklebust struct nfs_fattr fattr; 2770b4aae7aSTrond Myklebust struct nfs_fattr dir_attr; 2780b4aae7aSTrond Myklebust }; 2790b4aae7aSTrond Myklebust 2800b4aae7aSTrond Myklebust static struct nfs3_createdata *nfs3_alloc_createdata(void) 2810b4aae7aSTrond Myklebust { 2820b4aae7aSTrond Myklebust struct nfs3_createdata *data; 2830b4aae7aSTrond Myklebust 2840b4aae7aSTrond Myklebust data = kzalloc(sizeof(*data), GFP_KERNEL); 2850b4aae7aSTrond Myklebust if (data != NULL) { 2860b4aae7aSTrond Myklebust data->msg.rpc_argp = &data->arg; 2870b4aae7aSTrond Myklebust data->msg.rpc_resp = &data->res; 2880b4aae7aSTrond Myklebust data->res.fh = &data->fh; 2890b4aae7aSTrond Myklebust data->res.fattr = &data->fattr; 2900b4aae7aSTrond Myklebust data->res.dir_attr = &data->dir_attr; 2910b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 2920b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 2930b4aae7aSTrond Myklebust } 2940b4aae7aSTrond Myklebust return data; 2950b4aae7aSTrond Myklebust } 2960b4aae7aSTrond Myklebust 2970b4aae7aSTrond Myklebust static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data) 2980b4aae7aSTrond Myklebust { 2990b4aae7aSTrond Myklebust int status; 3000b4aae7aSTrond Myklebust 3010b4aae7aSTrond Myklebust status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0); 3020b4aae7aSTrond Myklebust nfs_post_op_update_inode(dir, data->res.dir_attr); 3030b4aae7aSTrond Myklebust if (status == 0) 3041775fd3eSDavid Quigley status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); 3050b4aae7aSTrond Myklebust return status; 3060b4aae7aSTrond Myklebust } 3070b4aae7aSTrond Myklebust 3080b4aae7aSTrond Myklebust static void nfs3_free_createdata(struct nfs3_createdata *data) 3090b4aae7aSTrond Myklebust { 3100b4aae7aSTrond Myklebust kfree(data); 3110b4aae7aSTrond Myklebust } 3120b4aae7aSTrond Myklebust 3131da177e4SLinus Torvalds /* 3141da177e4SLinus Torvalds * Create a regular file. 3151da177e4SLinus Torvalds */ 3161da177e4SLinus Torvalds static int 3171da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 3188867fe58SMiklos Szeredi int flags) 3191da177e4SLinus Torvalds { 320013cdf10SChristoph Hellwig struct posix_acl *default_acl, *acl; 3210b4aae7aSTrond Myklebust struct nfs3_createdata *data; 3220b4aae7aSTrond Myklebust int status = -ENOMEM; 3231da177e4SLinus Torvalds 3246de1472fSAl Viro dprintk("NFS call create %pd\n", dentry); 3250b4aae7aSTrond Myklebust 3260b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 3270b4aae7aSTrond Myklebust if (data == NULL) 3280b4aae7aSTrond Myklebust goto out; 3290b4aae7aSTrond Myklebust 3300b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE]; 3310b4aae7aSTrond Myklebust data->arg.create.fh = NFS_FH(dir); 3320b4aae7aSTrond Myklebust data->arg.create.name = dentry->d_name.name; 3330b4aae7aSTrond Myklebust data->arg.create.len = dentry->d_name.len; 3340b4aae7aSTrond Myklebust data->arg.create.sattr = sattr; 3350b4aae7aSTrond Myklebust 3360b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3371da177e4SLinus Torvalds if (flags & O_EXCL) { 3380b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE; 339a9943d11STrond Myklebust data->arg.create.verifier[0] = cpu_to_be32(jiffies); 340a9943d11STrond Myklebust data->arg.create.verifier[1] = cpu_to_be32(current->pid); 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds 343013cdf10SChristoph Hellwig status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); 344013cdf10SChristoph Hellwig if (status) 345013cdf10SChristoph Hellwig goto out; 346055ffbeaSAndreas Gruenbacher 3470b4aae7aSTrond Myklebust for (;;) { 3480b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 3491da177e4SLinus Torvalds 3500b4aae7aSTrond Myklebust if (status != -ENOTSUPP) 3510b4aae7aSTrond Myklebust break; 3520b4aae7aSTrond Myklebust /* If the server doesn't support the exclusive creation 3530b4aae7aSTrond Myklebust * semantics, try again with simple 'guarded' mode. */ 3540b4aae7aSTrond Myklebust switch (data->arg.create.createmode) { 3551da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3560b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_GUARDED; 3571da177e4SLinus Torvalds break; 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3600b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3611da177e4SLinus Torvalds break; 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3641da177e4SLinus Torvalds goto out; 3651da177e4SLinus Torvalds } 3660b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 3670b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 3681da177e4SLinus Torvalds } 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds if (status != 0) 371013cdf10SChristoph Hellwig goto out_release_acls; 3721da177e4SLinus Torvalds 3731da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3741da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3750b4aae7aSTrond Myklebust if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) { 3761da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3791da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 3801da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 3811da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 3841da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 3851da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 3860b4aae7aSTrond Myklebust status = nfs3_proc_setattr(dentry, data->res.fattr, sattr); 3870b4aae7aSTrond Myklebust nfs_post_op_update_inode(dentry->d_inode, data->res.fattr); 3881da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 389055ffbeaSAndreas Gruenbacher if (status != 0) 390013cdf10SChristoph Hellwig goto out_release_acls; 3910b4aae7aSTrond Myklebust } 392013cdf10SChristoph Hellwig 393013cdf10SChristoph Hellwig status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); 394013cdf10SChristoph Hellwig 395013cdf10SChristoph Hellwig out_release_acls: 396013cdf10SChristoph Hellwig posix_acl_release(acl); 397013cdf10SChristoph Hellwig posix_acl_release(default_acl); 3981da177e4SLinus Torvalds out: 3990b4aae7aSTrond Myklebust nfs3_free_createdata(data); 4001da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 4011da177e4SLinus Torvalds return status; 4021da177e4SLinus Torvalds } 4031da177e4SLinus Torvalds 4041da177e4SLinus Torvalds static int 4051da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 4061da177e4SLinus Torvalds { 4074fdc17b2STrond Myklebust struct nfs_removeargs arg = { 4081da177e4SLinus Torvalds .fh = NFS_FH(dir), 40926fe5750SLinus Torvalds .name = *name, 4101da177e4SLinus Torvalds }; 4114fdc17b2STrond Myklebust struct nfs_removeres res; 4121da177e4SLinus Torvalds struct rpc_message msg = { 4131da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 4141da177e4SLinus Torvalds .rpc_argp = &arg, 4154fdc17b2STrond Myklebust .rpc_resp = &res, 4161da177e4SLinus Torvalds }; 417d346890bSTrond Myklebust int status = -ENOMEM; 4181da177e4SLinus Torvalds 4191da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 420d346890bSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 421d346890bSTrond Myklebust if (res.dir_attr == NULL) 422d346890bSTrond Myklebust goto out; 423d346890bSTrond Myklebust 4241da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 425d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 426d346890bSTrond Myklebust nfs_free_fattr(res.dir_attr); 427d346890bSTrond Myklebust out: 4281da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 4291da177e4SLinus Torvalds return status; 4301da177e4SLinus Torvalds } 4311da177e4SLinus Torvalds 432e4eff1a6STrond Myklebust static void 433e4eff1a6STrond Myklebust nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 4341da177e4SLinus Torvalds { 4351da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 4361da177e4SLinus Torvalds } 4371da177e4SLinus Torvalds 43834e137ccSBryan Schumaker static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 43934e137ccSBryan Schumaker { 44034e137ccSBryan Schumaker rpc_call_start(task); 44134e137ccSBryan Schumaker } 44234e137ccSBryan Schumaker 4431da177e4SLinus Torvalds static int 444e4eff1a6STrond Myklebust nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) 4451da177e4SLinus Torvalds { 446e4eff1a6STrond Myklebust struct nfs_removeres *res; 447e4eff1a6STrond Myklebust if (nfs3_async_handle_jukebox(task, dir)) 4481da177e4SLinus Torvalds return 0; 449e4eff1a6STrond Myklebust res = task->tk_msg.rpc_resp; 450d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res->dir_attr); 451e4eff1a6STrond Myklebust return 1; 4521da177e4SLinus Torvalds } 4531da177e4SLinus Torvalds 454d3d4152aSJeff Layton static void 455d3d4152aSJeff Layton nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir) 456d3d4152aSJeff Layton { 457d3d4152aSJeff Layton msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME]; 458d3d4152aSJeff Layton } 459d3d4152aSJeff Layton 460c6bfa1a1SBryan Schumaker static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 461c6bfa1a1SBryan Schumaker { 462c6bfa1a1SBryan Schumaker rpc_call_start(task); 463c6bfa1a1SBryan Schumaker } 464c6bfa1a1SBryan Schumaker 465d3d4152aSJeff Layton static int 466d3d4152aSJeff Layton nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 467d3d4152aSJeff Layton struct inode *new_dir) 468d3d4152aSJeff Layton { 469d3d4152aSJeff Layton struct nfs_renameres *res; 470d3d4152aSJeff Layton 471d3d4152aSJeff Layton if (nfs3_async_handle_jukebox(task, old_dir)) 472d3d4152aSJeff Layton return 0; 473d3d4152aSJeff Layton res = task->tk_msg.rpc_resp; 474d3d4152aSJeff Layton 475d3d4152aSJeff Layton nfs_post_op_update_inode(old_dir, res->old_fattr); 476d3d4152aSJeff Layton nfs_post_op_update_inode(new_dir, res->new_fattr); 477d3d4152aSJeff Layton return 1; 478d3d4152aSJeff Layton } 479d3d4152aSJeff Layton 4801da177e4SLinus Torvalds static int 4811da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 4821da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 4831da177e4SLinus Torvalds { 484920769f0SJeff Layton struct nfs_renameargs arg = { 485920769f0SJeff Layton .old_dir = NFS_FH(old_dir), 486920769f0SJeff Layton .old_name = old_name, 487920769f0SJeff Layton .new_dir = NFS_FH(new_dir), 488920769f0SJeff Layton .new_name = new_name, 4891da177e4SLinus Torvalds }; 490e8582a8bSJeff Layton struct nfs_renameres res; 491dead28daSChuck Lever struct rpc_message msg = { 492dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 493dead28daSChuck Lever .rpc_argp = &arg, 494dead28daSChuck Lever .rpc_resp = &res, 495dead28daSChuck Lever }; 496011fff72STrond Myklebust int status = -ENOMEM; 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 499011fff72STrond Myklebust 500e8582a8bSJeff Layton res.old_fattr = nfs_alloc_fattr(); 501e8582a8bSJeff Layton res.new_fattr = nfs_alloc_fattr(); 502e8582a8bSJeff Layton if (res.old_fattr == NULL || res.new_fattr == NULL) 503011fff72STrond Myklebust goto out; 504011fff72STrond Myklebust 505dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 506e8582a8bSJeff Layton nfs_post_op_update_inode(old_dir, res.old_fattr); 507e8582a8bSJeff Layton nfs_post_op_update_inode(new_dir, res.new_fattr); 508011fff72STrond Myklebust out: 509e8582a8bSJeff Layton nfs_free_fattr(res.old_fattr); 510e8582a8bSJeff Layton nfs_free_fattr(res.new_fattr); 5111da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 5121da177e4SLinus Torvalds return status; 5131da177e4SLinus Torvalds } 5141da177e4SLinus Torvalds 5151da177e4SLinus Torvalds static int 5161da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 5171da177e4SLinus Torvalds { 5181da177e4SLinus Torvalds struct nfs3_linkargs arg = { 5191da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 5201da177e4SLinus Torvalds .tofh = NFS_FH(dir), 5211da177e4SLinus Torvalds .toname = name->name, 5221da177e4SLinus Torvalds .tolen = name->len 5231da177e4SLinus Torvalds }; 524136f2627STrond Myklebust struct nfs3_linkres res; 525dead28daSChuck Lever struct rpc_message msg = { 526dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 527dead28daSChuck Lever .rpc_argp = &arg, 528dead28daSChuck Lever .rpc_resp = &res, 529dead28daSChuck Lever }; 530136f2627STrond Myklebust int status = -ENOMEM; 5311da177e4SLinus Torvalds 5321da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 533136f2627STrond Myklebust res.fattr = nfs_alloc_fattr(); 534136f2627STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 535136f2627STrond Myklebust if (res.fattr == NULL || res.dir_attr == NULL) 536136f2627STrond Myklebust goto out; 537136f2627STrond Myklebust 538dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 539136f2627STrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 540136f2627STrond Myklebust nfs_post_op_update_inode(inode, res.fattr); 541136f2627STrond Myklebust out: 542136f2627STrond Myklebust nfs_free_fattr(res.dir_attr); 543136f2627STrond Myklebust nfs_free_fattr(res.fattr); 5441da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 5451da177e4SLinus Torvalds return status; 5461da177e4SLinus Torvalds } 5471da177e4SLinus Torvalds 5481da177e4SLinus Torvalds static int 54994a6d753SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 55094a6d753SChuck Lever unsigned int len, struct iattr *sattr) 5511da177e4SLinus Torvalds { 5520b4aae7aSTrond Myklebust struct nfs3_createdata *data; 5530b4aae7aSTrond Myklebust int status = -ENOMEM; 5541da177e4SLinus Torvalds 55594a6d753SChuck Lever if (len > NFS3_MAXPATHLEN) 5561da177e4SLinus Torvalds return -ENAMETOOLONG; 5574f390c15SChuck Lever 5586de1472fSAl Viro dprintk("NFS call symlink %pd\n", dentry); 55994a6d753SChuck Lever 5600b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5610b4aae7aSTrond Myklebust if (data == NULL) 5624f390c15SChuck Lever goto out; 5630b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK]; 5640b4aae7aSTrond Myklebust data->arg.symlink.fromfh = NFS_FH(dir); 5650b4aae7aSTrond Myklebust data->arg.symlink.fromname = dentry->d_name.name; 5660b4aae7aSTrond Myklebust data->arg.symlink.fromlen = dentry->d_name.len; 5670b4aae7aSTrond Myklebust data->arg.symlink.pages = &page; 5680b4aae7aSTrond Myklebust data->arg.symlink.pathlen = len; 5690b4aae7aSTrond Myklebust data->arg.symlink.sattr = sattr; 5700b4aae7aSTrond Myklebust 5710b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 5720b4aae7aSTrond Myklebust 5730b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5744f390c15SChuck Lever out: 5751da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5761da177e4SLinus Torvalds return status; 5771da177e4SLinus Torvalds } 5781da177e4SLinus Torvalds 5791da177e4SLinus Torvalds static int 5801da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5811da177e4SLinus Torvalds { 582013cdf10SChristoph Hellwig struct posix_acl *default_acl, *acl; 5830b4aae7aSTrond Myklebust struct nfs3_createdata *data; 5840b4aae7aSTrond Myklebust int status = -ENOMEM; 5851da177e4SLinus Torvalds 5866de1472fSAl Viro dprintk("NFS call mkdir %pd\n", dentry); 587055ffbeaSAndreas Gruenbacher 5880b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5890b4aae7aSTrond Myklebust if (data == NULL) 5900b4aae7aSTrond Myklebust goto out; 5910b4aae7aSTrond Myklebust 592013cdf10SChristoph Hellwig status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); 593013cdf10SChristoph Hellwig if (status) 594013cdf10SChristoph Hellwig goto out; 595013cdf10SChristoph Hellwig 5960b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR]; 5970b4aae7aSTrond Myklebust data->arg.mkdir.fh = NFS_FH(dir); 5980b4aae7aSTrond Myklebust data->arg.mkdir.name = dentry->d_name.name; 5990b4aae7aSTrond Myklebust data->arg.mkdir.len = dentry->d_name.len; 6000b4aae7aSTrond Myklebust data->arg.mkdir.sattr = sattr; 6010b4aae7aSTrond Myklebust 6020b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 603055ffbeaSAndreas Gruenbacher if (status != 0) 604013cdf10SChristoph Hellwig goto out_release_acls; 6050b4aae7aSTrond Myklebust 606013cdf10SChristoph Hellwig status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); 607013cdf10SChristoph Hellwig 608013cdf10SChristoph Hellwig out_release_acls: 609013cdf10SChristoph Hellwig posix_acl_release(acl); 610013cdf10SChristoph Hellwig posix_acl_release(default_acl); 611055ffbeaSAndreas Gruenbacher out: 6120b4aae7aSTrond Myklebust nfs3_free_createdata(data); 6131da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 6141da177e4SLinus Torvalds return status; 6151da177e4SLinus Torvalds } 6161da177e4SLinus Torvalds 6171da177e4SLinus Torvalds static int 6181da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 6191da177e4SLinus Torvalds { 62039967ddfSTrond Myklebust struct nfs_fattr *dir_attr; 6211da177e4SLinus Torvalds struct nfs3_diropargs arg = { 6221da177e4SLinus Torvalds .fh = NFS_FH(dir), 6231da177e4SLinus Torvalds .name = name->name, 6241da177e4SLinus Torvalds .len = name->len 6251da177e4SLinus Torvalds }; 626dead28daSChuck Lever struct rpc_message msg = { 627dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 628dead28daSChuck Lever .rpc_argp = &arg, 629dead28daSChuck Lever }; 63039967ddfSTrond Myklebust int status = -ENOMEM; 6311da177e4SLinus Torvalds 6321da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 63339967ddfSTrond Myklebust dir_attr = nfs_alloc_fattr(); 63439967ddfSTrond Myklebust if (dir_attr == NULL) 63539967ddfSTrond Myklebust goto out; 63639967ddfSTrond Myklebust 63739967ddfSTrond Myklebust msg.rpc_resp = dir_attr; 638dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 63939967ddfSTrond Myklebust nfs_post_op_update_inode(dir, dir_attr); 64039967ddfSTrond Myklebust nfs_free_fattr(dir_attr); 64139967ddfSTrond Myklebust out: 6421da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 6431da177e4SLinus Torvalds return status; 6441da177e4SLinus Torvalds } 6451da177e4SLinus Torvalds 6461da177e4SLinus Torvalds /* 6471da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 6481da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 6491da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 6501da177e4SLinus Torvalds * sure the reply is syntactically correct. 6511da177e4SLinus Torvalds * 6521da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 6531da177e4SLinus Torvalds * readdirplus. 6541da177e4SLinus Torvalds */ 6551da177e4SLinus Torvalds static int 6561da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 65756e4ebf8SBryan Schumaker u64 cookie, struct page **pages, unsigned int count, int plus) 6581da177e4SLinus Torvalds { 6591da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 660c3f52af3STrond Myklebust __be32 *verf = NFS_I(dir)->cookieverf; 6611da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6621da177e4SLinus Torvalds .fh = NFS_FH(dir), 6631da177e4SLinus Torvalds .cookie = cookie, 6641da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6651da177e4SLinus Torvalds .plus = plus, 6661da177e4SLinus Torvalds .count = count, 66756e4ebf8SBryan Schumaker .pages = pages 6681da177e4SLinus Torvalds }; 6691da177e4SLinus Torvalds struct nfs3_readdirres res = { 6701da177e4SLinus Torvalds .verf = verf, 6711da177e4SLinus Torvalds .plus = plus 6721da177e4SLinus Torvalds }; 6731da177e4SLinus Torvalds struct rpc_message msg = { 6741da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6751da177e4SLinus Torvalds .rpc_argp = &arg, 6761da177e4SLinus Torvalds .rpc_resp = &res, 6771da177e4SLinus Torvalds .rpc_cred = cred 6781da177e4SLinus Torvalds }; 679aa49b4cfSTrond Myklebust int status = -ENOMEM; 6801da177e4SLinus Torvalds 6811da177e4SLinus Torvalds if (plus) 6821da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6831da177e4SLinus Torvalds 6841da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6851da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6861da177e4SLinus Torvalds 687aa49b4cfSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 688aa49b4cfSTrond Myklebust if (res.dir_attr == NULL) 689aa49b4cfSTrond Myklebust goto out; 690aa49b4cfSTrond Myklebust 6911da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 692c4812998STrond Myklebust 693c4812998STrond Myklebust nfs_invalidate_atime(dir); 694aa49b4cfSTrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 695c4812998STrond Myklebust 696aa49b4cfSTrond Myklebust nfs_free_fattr(res.dir_attr); 697aa49b4cfSTrond Myklebust out: 698d141d974SChuck Lever dprintk("NFS reply readdir%s: %d\n", 699d141d974SChuck Lever plus? "plus" : "", status); 7001da177e4SLinus Torvalds return status; 7011da177e4SLinus Torvalds } 7021da177e4SLinus Torvalds 7031da177e4SLinus Torvalds static int 7041da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 7051da177e4SLinus Torvalds dev_t rdev) 7061da177e4SLinus Torvalds { 707013cdf10SChristoph Hellwig struct posix_acl *default_acl, *acl; 7080b4aae7aSTrond Myklebust struct nfs3_createdata *data; 7090b4aae7aSTrond Myklebust int status = -ENOMEM; 7101da177e4SLinus Torvalds 7116de1472fSAl Viro dprintk("NFS call mknod %pd %u:%u\n", dentry, 7121da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 713055ffbeaSAndreas Gruenbacher 7140b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 7150b4aae7aSTrond Myklebust if (data == NULL) 716055ffbeaSAndreas Gruenbacher goto out; 7170b4aae7aSTrond Myklebust 718013cdf10SChristoph Hellwig status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); 719013cdf10SChristoph Hellwig if (status) 720013cdf10SChristoph Hellwig goto out; 721013cdf10SChristoph Hellwig 7220b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD]; 7230b4aae7aSTrond Myklebust data->arg.mknod.fh = NFS_FH(dir); 7240b4aae7aSTrond Myklebust data->arg.mknod.name = dentry->d_name.name; 7250b4aae7aSTrond Myklebust data->arg.mknod.len = dentry->d_name.len; 7260b4aae7aSTrond Myklebust data->arg.mknod.sattr = sattr; 7270b4aae7aSTrond Myklebust data->arg.mknod.rdev = rdev; 7280b4aae7aSTrond Myklebust 7290b4aae7aSTrond Myklebust switch (sattr->ia_mode & S_IFMT) { 7300b4aae7aSTrond Myklebust case S_IFBLK: 7310b4aae7aSTrond Myklebust data->arg.mknod.type = NF3BLK; 7320b4aae7aSTrond Myklebust break; 7330b4aae7aSTrond Myklebust case S_IFCHR: 7340b4aae7aSTrond Myklebust data->arg.mknod.type = NF3CHR; 7350b4aae7aSTrond Myklebust break; 7360b4aae7aSTrond Myklebust case S_IFIFO: 7370b4aae7aSTrond Myklebust data->arg.mknod.type = NF3FIFO; 7380b4aae7aSTrond Myklebust break; 7390b4aae7aSTrond Myklebust case S_IFSOCK: 7400b4aae7aSTrond Myklebust data->arg.mknod.type = NF3SOCK; 7410b4aae7aSTrond Myklebust break; 7420b4aae7aSTrond Myklebust default: 7430b4aae7aSTrond Myklebust status = -EINVAL; 7440b4aae7aSTrond Myklebust goto out; 7450b4aae7aSTrond Myklebust } 7460b4aae7aSTrond Myklebust 7470b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 748055ffbeaSAndreas Gruenbacher if (status != 0) 749013cdf10SChristoph Hellwig goto out_release_acls; 750013cdf10SChristoph Hellwig 751013cdf10SChristoph Hellwig status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); 752013cdf10SChristoph Hellwig 753013cdf10SChristoph Hellwig out_release_acls: 754013cdf10SChristoph Hellwig posix_acl_release(acl); 755013cdf10SChristoph Hellwig posix_acl_release(default_acl); 756055ffbeaSAndreas Gruenbacher out: 7570b4aae7aSTrond Myklebust nfs3_free_createdata(data); 7581da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 7591da177e4SLinus Torvalds return status; 7601da177e4SLinus Torvalds } 7611da177e4SLinus Torvalds 7621da177e4SLinus Torvalds static int 7631da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 7641da177e4SLinus Torvalds struct nfs_fsstat *stat) 7651da177e4SLinus Torvalds { 766dead28daSChuck Lever struct rpc_message msg = { 767dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 768dead28daSChuck Lever .rpc_argp = fhandle, 769dead28daSChuck Lever .rpc_resp = stat, 770dead28daSChuck Lever }; 7711da177e4SLinus Torvalds int status; 7721da177e4SLinus Torvalds 7731da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7740e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 775dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 776d141d974SChuck Lever dprintk("NFS reply fsstat: %d\n", status); 7771da177e4SLinus Torvalds return status; 7781da177e4SLinus Torvalds } 7791da177e4SLinus Torvalds 7801da177e4SLinus Torvalds static int 78137ca8f5cSEG Keizer do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle, 7821da177e4SLinus Torvalds struct nfs_fsinfo *info) 7831da177e4SLinus Torvalds { 784dead28daSChuck Lever struct rpc_message msg = { 785dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 786dead28daSChuck Lever .rpc_argp = fhandle, 787dead28daSChuck Lever .rpc_resp = info, 788dead28daSChuck Lever }; 7891da177e4SLinus Torvalds int status; 7901da177e4SLinus Torvalds 7911da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7920e574af1STrond Myklebust nfs_fattr_init(info->fattr); 79337ca8f5cSEG Keizer status = rpc_call_sync(client, &msg, 0); 7941da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7951da177e4SLinus Torvalds return status; 7961da177e4SLinus Torvalds } 7971da177e4SLinus Torvalds 79837ca8f5cSEG Keizer /* 79937ca8f5cSEG Keizer * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via 80037ca8f5cSEG Keizer * nfs_create_server 80137ca8f5cSEG Keizer */ 80237ca8f5cSEG Keizer static int 80337ca8f5cSEG Keizer nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 80437ca8f5cSEG Keizer struct nfs_fsinfo *info) 80537ca8f5cSEG Keizer { 80637ca8f5cSEG Keizer int status; 80737ca8f5cSEG Keizer 80837ca8f5cSEG Keizer status = do_proc_fsinfo(server->client, fhandle, info); 80937ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 81037ca8f5cSEG Keizer status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info); 81137ca8f5cSEG Keizer return status; 81237ca8f5cSEG Keizer } 81337ca8f5cSEG Keizer 8141da177e4SLinus Torvalds static int 8151da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 8161da177e4SLinus Torvalds struct nfs_pathconf *info) 8171da177e4SLinus Torvalds { 818dead28daSChuck Lever struct rpc_message msg = { 819dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 820dead28daSChuck Lever .rpc_argp = fhandle, 821dead28daSChuck Lever .rpc_resp = info, 822dead28daSChuck Lever }; 8231da177e4SLinus Torvalds int status; 8241da177e4SLinus Torvalds 8251da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 8260e574af1STrond Myklebust nfs_fattr_init(info->fattr); 827dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 8281da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 8291da177e4SLinus Torvalds return status; 8301da177e4SLinus Torvalds } 8311da177e4SLinus Torvalds 832ec06c096STrond Myklebust static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) 8331da177e4SLinus Torvalds { 834cd841605SFred Isaman struct inode *inode = data->header->inode; 835cd841605SFred Isaman 836cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 837ec06c096STrond Myklebust return -EAGAIN; 8388850df99STrond Myklebust 839cd841605SFred Isaman nfs_invalidate_atime(inode); 840cd841605SFred Isaman nfs_refresh_inode(inode, &data->fattr); 841ec06c096STrond Myklebust return 0; 8421da177e4SLinus Torvalds } 8431da177e4SLinus Torvalds 844bdc7f021STrond Myklebust static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) 8451da177e4SLinus Torvalds { 846bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; 8471da177e4SLinus Torvalds } 8481da177e4SLinus Torvalds 849ef1820f9SNeilBrown static int nfs3_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data) 850ea7c3303SBryan Schumaker { 851ea7c3303SBryan Schumaker rpc_call_start(task); 852ef1820f9SNeilBrown return 0; 853ea7c3303SBryan Schumaker } 854ea7c3303SBryan Schumaker 855788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 8561da177e4SLinus Torvalds { 857cd841605SFred Isaman struct inode *inode = data->header->inode; 858cd841605SFred Isaman 859cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 860788e7a89STrond Myklebust return -EAGAIN; 8611da177e4SLinus Torvalds if (task->tk_status >= 0) 862cd841605SFred Isaman nfs_post_op_update_inode_force_wcc(inode, data->res.fattr); 863788e7a89STrond Myklebust return 0; 8641da177e4SLinus Torvalds } 8651da177e4SLinus Torvalds 866bdc7f021STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) 8671da177e4SLinus Torvalds { 868bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; 8691da177e4SLinus Torvalds } 8701da177e4SLinus Torvalds 871ef1820f9SNeilBrown static int nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data) 872c6cb80d0SBryan Schumaker { 873c6cb80d0SBryan Schumaker rpc_call_start(task); 874ef1820f9SNeilBrown return 0; 875c6cb80d0SBryan Schumaker } 876c6cb80d0SBryan Schumaker 8770b7c0153SFred Isaman static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 8780b7c0153SFred Isaman { 8790b7c0153SFred Isaman rpc_call_start(task); 8800b7c0153SFred Isaman } 8810b7c0153SFred Isaman 8820b7c0153SFred Isaman static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data) 8831da177e4SLinus Torvalds { 884006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 885788e7a89STrond Myklebust return -EAGAIN; 8869e08a3c5STrond Myklebust nfs_refresh_inode(data->inode, data->res.fattr); 887788e7a89STrond Myklebust return 0; 8881da177e4SLinus Torvalds } 8891da177e4SLinus Torvalds 8900b7c0153SFred Isaman static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg) 8911da177e4SLinus Torvalds { 892bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; 8931da177e4SLinus Torvalds } 8941da177e4SLinus Torvalds 8951da177e4SLinus Torvalds static int 8961da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 8971da177e4SLinus Torvalds { 898496ad9aaSAl Viro struct inode *inode = file_inode(filp); 8991093a60eSChuck Lever 9001093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 9011da177e4SLinus Torvalds } 9021da177e4SLinus Torvalds 903011e2a7fSBryan Schumaker static int nfs3_have_delegation(struct inode *inode, fmode_t flags) 904011e2a7fSBryan Schumaker { 905011e2a7fSBryan Schumaker return 0; 906011e2a7fSBryan Schumaker } 907011e2a7fSBryan Schumaker 90857ec14c5SBryan Schumaker static int nfs3_return_delegation(struct inode *inode) 90957ec14c5SBryan Schumaker { 91057ec14c5SBryan Schumaker nfs_wb_all(inode); 91157ec14c5SBryan Schumaker return 0; 91257ec14c5SBryan Schumaker } 91357ec14c5SBryan Schumaker 914ab96291eSBryan Schumaker static const struct inode_operations nfs3_dir_inode_operations = { 915ab96291eSBryan Schumaker .create = nfs_create, 916ab96291eSBryan Schumaker .lookup = nfs_lookup, 917ab96291eSBryan Schumaker .link = nfs_link, 918ab96291eSBryan Schumaker .unlink = nfs_unlink, 919ab96291eSBryan Schumaker .symlink = nfs_symlink, 920ab96291eSBryan Schumaker .mkdir = nfs_mkdir, 921ab96291eSBryan Schumaker .rmdir = nfs_rmdir, 922ab96291eSBryan Schumaker .mknod = nfs_mknod, 923ab96291eSBryan Schumaker .rename = nfs_rename, 924ab96291eSBryan Schumaker .permission = nfs_permission, 925ab96291eSBryan Schumaker .getattr = nfs_getattr, 926ab96291eSBryan Schumaker .setattr = nfs_setattr, 927013cdf10SChristoph Hellwig .listxattr = generic_listxattr, 928013cdf10SChristoph Hellwig .getxattr = generic_getxattr, 929013cdf10SChristoph Hellwig .setxattr = generic_setxattr, 930013cdf10SChristoph Hellwig .removexattr = generic_removexattr, 931013cdf10SChristoph Hellwig #ifdef CONFIG_NFS_V3_ACL 932013cdf10SChristoph Hellwig .get_acl = nfs3_get_acl, 933013cdf10SChristoph Hellwig .set_acl = nfs3_set_acl, 934013cdf10SChristoph Hellwig #endif 935ab96291eSBryan Schumaker }; 936ab96291eSBryan Schumaker 937ab96291eSBryan Schumaker static const struct inode_operations nfs3_file_inode_operations = { 938ab96291eSBryan Schumaker .permission = nfs_permission, 939ab96291eSBryan Schumaker .getattr = nfs_getattr, 940ab96291eSBryan Schumaker .setattr = nfs_setattr, 941013cdf10SChristoph Hellwig .listxattr = generic_listxattr, 942013cdf10SChristoph Hellwig .getxattr = generic_getxattr, 943013cdf10SChristoph Hellwig .setxattr = generic_setxattr, 944013cdf10SChristoph Hellwig .removexattr = generic_removexattr, 945013cdf10SChristoph Hellwig #ifdef CONFIG_NFS_V3_ACL 946013cdf10SChristoph Hellwig .get_acl = nfs3_get_acl, 947013cdf10SChristoph Hellwig .set_acl = nfs3_set_acl, 948013cdf10SChristoph Hellwig #endif 949ab96291eSBryan Schumaker }; 950ab96291eSBryan Schumaker 951509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 9521da177e4SLinus Torvalds .version = 3, /* protocol version */ 9531da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 954b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 955b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 9561788ea6eSJeff Layton .file_ops = &nfs_file_operations, 9571da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 958281cad46SBryan Schumaker .submount = nfs_submount, 959ff9099f2SBryan Schumaker .try_mount = nfs_try_mount, 9601da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 9611da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 9621da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 9631da177e4SLinus Torvalds .access = nfs3_proc_access, 9641da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 9651da177e4SLinus Torvalds .create = nfs3_proc_create, 9661da177e4SLinus Torvalds .remove = nfs3_proc_remove, 9671da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 96834e137ccSBryan Schumaker .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare, 9691da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 9701da177e4SLinus Torvalds .rename = nfs3_proc_rename, 971d3d4152aSJeff Layton .rename_setup = nfs3_proc_rename_setup, 972c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare, 973d3d4152aSJeff Layton .rename_done = nfs3_proc_rename_done, 9741da177e4SLinus Torvalds .link = nfs3_proc_link, 9751da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 9761da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 9771da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 9781da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 9791da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 9801da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 9811da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 9821da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 9831da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 9841da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 9851abb5088SBryan Schumaker .read_pageio_init = nfs_pageio_init_read, 986ea7c3303SBryan Schumaker .read_rpc_prepare = nfs3_proc_read_rpc_prepare, 987ec06c096STrond Myklebust .read_done = nfs3_read_done, 9881da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 98957208fa7SBryan Schumaker .write_pageio_init = nfs_pageio_init_write, 990c6cb80d0SBryan Schumaker .write_rpc_prepare = nfs3_proc_write_rpc_prepare, 991788e7a89STrond Myklebust .write_done = nfs3_write_done, 9921da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 9930b7c0153SFred Isaman .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare, 994788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 9951da177e4SLinus Torvalds .lock = nfs3_proc_lock, 996013cdf10SChristoph Hellwig .clear_acl_cache = forget_all_cached_acls, 9977fe5c398STrond Myklebust .close_context = nfs_close_context, 998011e2a7fSBryan Schumaker .have_delegation = nfs3_have_delegation, 99957ec14c5SBryan Schumaker .return_delegation = nfs3_return_delegation, 10006663ee7fSBryan Schumaker .alloc_client = nfs_alloc_client, 100145a52a02SAndy Adamson .init_client = nfs_init_client, 1002cdb7ecedSBryan Schumaker .free_client = nfs_free_client, 10031179acc6SBryan Schumaker .create_server = nfs3_create_server, 10041179acc6SBryan Schumaker .clone_server = nfs3_clone_server, 10051da177e4SLinus Torvalds }; 1006