11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * linux/fs/nfs/nfs3proc.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Client-side NFSv3 procedures stubs. 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * Copyright (C) 1997, Olaf Kirch 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #include <linux/mm.h> 101da177e4SLinus Torvalds #include <linux/errno.h> 111da177e4SLinus Torvalds #include <linux/string.h> 121da177e4SLinus Torvalds #include <linux/sunrpc/clnt.h> 135a0e3ad6STejun Heo #include <linux/slab.h> 141da177e4SLinus Torvalds #include <linux/nfs.h> 151da177e4SLinus Torvalds #include <linux/nfs3.h> 161da177e4SLinus Torvalds #include <linux/nfs_fs.h> 171da177e4SLinus Torvalds #include <linux/nfs_page.h> 181da177e4SLinus Torvalds #include <linux/lockd/bind.h> 19b7fa0554SAndreas Gruenbacher #include <linux/nfs_mount.h> 20d310310cSJeff Layton #include <linux/freezer.h> 211da177e4SLinus Torvalds 22006ea73eSChuck Lever #include "iostat.h" 23f7b422b1SDavid Howells #include "internal.h" 24006ea73eSChuck Lever 251da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 261da177e4SLinus Torvalds 27eb96d5c9SAndy Adamson /* A wrapper to handle the EJUKEBOX error messages */ 281da177e4SLinus Torvalds static int 291da177e4SLinus Torvalds nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 301da177e4SLinus Torvalds { 311da177e4SLinus Torvalds int res; 321da177e4SLinus Torvalds do { 331da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 34eb96d5c9SAndy Adamson if (res != -EJUKEBOX) 351da177e4SLinus Torvalds break; 36d310310cSJeff Layton freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); 371da177e4SLinus Torvalds res = -ERESTARTSYS; 38150030b7SMatthew Wilcox } while (!fatal_signal_pending(current)); 391da177e4SLinus Torvalds return res; 401da177e4SLinus Torvalds } 411da177e4SLinus Torvalds 42dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 431da177e4SLinus Torvalds 441da177e4SLinus Torvalds static int 45006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 461da177e4SLinus Torvalds { 47eb96d5c9SAndy Adamson if (task->tk_status != -EJUKEBOX) 481da177e4SLinus Torvalds return 0; 49b68d69b8SJeff Layton if (task->tk_status == -EJUKEBOX) 50006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 511da177e4SLinus Torvalds task->tk_status = 0; 521da177e4SLinus Torvalds rpc_restart_call(task); 531da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 541da177e4SLinus Torvalds return 1; 551da177e4SLinus Torvalds } 561da177e4SLinus Torvalds 5703c21733SJ. Bruce Fields static int 5803c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 5903c21733SJ. Bruce Fields struct nfs_fsinfo *info) 6003c21733SJ. Bruce Fields { 61dead28daSChuck Lever struct rpc_message msg = { 62dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 63dead28daSChuck Lever .rpc_argp = fhandle, 64dead28daSChuck Lever .rpc_resp = info, 65dead28daSChuck Lever }; 6603c21733SJ. Bruce Fields int status; 6703c21733SJ. Bruce Fields 683110ff80SHarvey Harrison dprintk("%s: call fsinfo\n", __func__); 6903c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 70dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 713110ff80SHarvey Harrison dprintk("%s: reply fsinfo: %d\n", __func__, status); 7208660043STrond Myklebust if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) { 73dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 74dead28daSChuck Lever msg.rpc_resp = info->fattr; 75dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 763110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 7703c21733SJ. Bruce Fields } 7803c21733SJ. Bruce Fields return status; 7903c21733SJ. Bruce Fields } 8003c21733SJ. Bruce Fields 811da177e4SLinus Torvalds /* 8254ceac45SDavid Howells * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb 831da177e4SLinus Torvalds */ 841da177e4SLinus Torvalds static int 851da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 861da177e4SLinus Torvalds struct nfs_fsinfo *info) 871da177e4SLinus Torvalds { 881da177e4SLinus Torvalds int status; 891da177e4SLinus Torvalds 9003c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 915006a76cSDavid Howells if (status && server->nfs_client->cl_rpcclient != server->client) 925006a76cSDavid Howells status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); 931da177e4SLinus Torvalds return status; 941da177e4SLinus Torvalds } 951da177e4SLinus Torvalds 961da177e4SLinus Torvalds /* 971da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 981da177e4SLinus Torvalds */ 991da177e4SLinus Torvalds static int 1001da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 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 { 3200b4aae7aSTrond Myklebust struct nfs3_createdata *data; 321d3fb6120SAl Viro umode_t mode = sattr->ia_mode; 3220b4aae7aSTrond Myklebust int status = -ENOMEM; 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 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; 3390b4aae7aSTrond Myklebust data->arg.create.verifier[0] = jiffies; 3400b4aae7aSTrond Myklebust data->arg.create.verifier[1] = current->pid; 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds 343ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 344055ffbeaSAndreas Gruenbacher 3450b4aae7aSTrond Myklebust for (;;) { 3460b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 3471da177e4SLinus Torvalds 3480b4aae7aSTrond Myklebust if (status != -ENOTSUPP) 3490b4aae7aSTrond Myklebust break; 3500b4aae7aSTrond Myklebust /* If the server doesn't support the exclusive creation 3510b4aae7aSTrond Myklebust * semantics, try again with simple 'guarded' mode. */ 3520b4aae7aSTrond Myklebust switch (data->arg.create.createmode) { 3531da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3540b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_GUARDED; 3551da177e4SLinus Torvalds break; 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3580b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3591da177e4SLinus Torvalds break; 3601da177e4SLinus Torvalds 3611da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3621da177e4SLinus Torvalds goto out; 3631da177e4SLinus Torvalds } 3640b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 3650b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 3661da177e4SLinus Torvalds } 3671da177e4SLinus Torvalds 3681da177e4SLinus Torvalds if (status != 0) 3691da177e4SLinus Torvalds goto out; 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3721da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3730b4aae7aSTrond Myklebust if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) { 3741da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3751da177e4SLinus Torvalds 3761da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3771da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 3781da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 3791da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 3821da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 3831da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 3840b4aae7aSTrond Myklebust status = nfs3_proc_setattr(dentry, data->res.fattr, sattr); 3850b4aae7aSTrond Myklebust nfs_post_op_update_inode(dentry->d_inode, data->res.fattr); 3861da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 387055ffbeaSAndreas Gruenbacher if (status != 0) 388055ffbeaSAndreas Gruenbacher goto out; 3890b4aae7aSTrond Myklebust } 390055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 3911da177e4SLinus Torvalds out: 3920b4aae7aSTrond Myklebust nfs3_free_createdata(data); 3931da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 3941da177e4SLinus Torvalds return status; 3951da177e4SLinus Torvalds } 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds static int 3981da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 3991da177e4SLinus Torvalds { 4004fdc17b2STrond Myklebust struct nfs_removeargs arg = { 4011da177e4SLinus Torvalds .fh = NFS_FH(dir), 40226fe5750SLinus Torvalds .name = *name, 4031da177e4SLinus Torvalds }; 4044fdc17b2STrond Myklebust struct nfs_removeres res; 4051da177e4SLinus Torvalds struct rpc_message msg = { 4061da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 4071da177e4SLinus Torvalds .rpc_argp = &arg, 4084fdc17b2STrond Myklebust .rpc_resp = &res, 4091da177e4SLinus Torvalds }; 410d346890bSTrond Myklebust int status = -ENOMEM; 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 413d346890bSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 414d346890bSTrond Myklebust if (res.dir_attr == NULL) 415d346890bSTrond Myklebust goto out; 416d346890bSTrond Myklebust 4171da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 418d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 419d346890bSTrond Myklebust nfs_free_fattr(res.dir_attr); 420d346890bSTrond Myklebust out: 4211da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 4221da177e4SLinus Torvalds return status; 4231da177e4SLinus Torvalds } 4241da177e4SLinus Torvalds 425e4eff1a6STrond Myklebust static void 426e4eff1a6STrond Myklebust nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 4271da177e4SLinus Torvalds { 4281da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 4291da177e4SLinus Torvalds } 4301da177e4SLinus Torvalds 43134e137ccSBryan Schumaker static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) 43234e137ccSBryan Schumaker { 43334e137ccSBryan Schumaker rpc_call_start(task); 43434e137ccSBryan Schumaker } 43534e137ccSBryan Schumaker 4361da177e4SLinus Torvalds static int 437e4eff1a6STrond Myklebust nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) 4381da177e4SLinus Torvalds { 439e4eff1a6STrond Myklebust struct nfs_removeres *res; 440e4eff1a6STrond Myklebust if (nfs3_async_handle_jukebox(task, dir)) 4411da177e4SLinus Torvalds return 0; 442e4eff1a6STrond Myklebust res = task->tk_msg.rpc_resp; 443d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res->dir_attr); 444e4eff1a6STrond Myklebust return 1; 4451da177e4SLinus Torvalds } 4461da177e4SLinus Torvalds 447d3d4152aSJeff Layton static void 448d3d4152aSJeff Layton nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir) 449d3d4152aSJeff Layton { 450d3d4152aSJeff Layton msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME]; 451d3d4152aSJeff Layton } 452d3d4152aSJeff Layton 453c6bfa1a1SBryan Schumaker static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) 454c6bfa1a1SBryan Schumaker { 455c6bfa1a1SBryan Schumaker rpc_call_start(task); 456c6bfa1a1SBryan Schumaker } 457c6bfa1a1SBryan Schumaker 458d3d4152aSJeff Layton static int 459d3d4152aSJeff Layton nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir, 460d3d4152aSJeff Layton struct inode *new_dir) 461d3d4152aSJeff Layton { 462d3d4152aSJeff Layton struct nfs_renameres *res; 463d3d4152aSJeff Layton 464d3d4152aSJeff Layton if (nfs3_async_handle_jukebox(task, old_dir)) 465d3d4152aSJeff Layton return 0; 466d3d4152aSJeff Layton res = task->tk_msg.rpc_resp; 467d3d4152aSJeff Layton 468d3d4152aSJeff Layton nfs_post_op_update_inode(old_dir, res->old_fattr); 469d3d4152aSJeff Layton nfs_post_op_update_inode(new_dir, res->new_fattr); 470d3d4152aSJeff Layton return 1; 471d3d4152aSJeff Layton } 472d3d4152aSJeff Layton 4731da177e4SLinus Torvalds static int 4741da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 4751da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 4761da177e4SLinus Torvalds { 477920769f0SJeff Layton struct nfs_renameargs arg = { 478920769f0SJeff Layton .old_dir = NFS_FH(old_dir), 479920769f0SJeff Layton .old_name = old_name, 480920769f0SJeff Layton .new_dir = NFS_FH(new_dir), 481920769f0SJeff Layton .new_name = new_name, 4821da177e4SLinus Torvalds }; 483e8582a8bSJeff Layton struct nfs_renameres res; 484dead28daSChuck Lever struct rpc_message msg = { 485dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 486dead28daSChuck Lever .rpc_argp = &arg, 487dead28daSChuck Lever .rpc_resp = &res, 488dead28daSChuck Lever }; 489011fff72STrond Myklebust int status = -ENOMEM; 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 492011fff72STrond Myklebust 493e8582a8bSJeff Layton res.old_fattr = nfs_alloc_fattr(); 494e8582a8bSJeff Layton res.new_fattr = nfs_alloc_fattr(); 495e8582a8bSJeff Layton if (res.old_fattr == NULL || res.new_fattr == NULL) 496011fff72STrond Myklebust goto out; 497011fff72STrond Myklebust 498dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 499e8582a8bSJeff Layton nfs_post_op_update_inode(old_dir, res.old_fattr); 500e8582a8bSJeff Layton nfs_post_op_update_inode(new_dir, res.new_fattr); 501011fff72STrond Myklebust out: 502e8582a8bSJeff Layton nfs_free_fattr(res.old_fattr); 503e8582a8bSJeff Layton nfs_free_fattr(res.new_fattr); 5041da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 5051da177e4SLinus Torvalds return status; 5061da177e4SLinus Torvalds } 5071da177e4SLinus Torvalds 5081da177e4SLinus Torvalds static int 5091da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 5101da177e4SLinus Torvalds { 5111da177e4SLinus Torvalds struct nfs3_linkargs arg = { 5121da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 5131da177e4SLinus Torvalds .tofh = NFS_FH(dir), 5141da177e4SLinus Torvalds .toname = name->name, 5151da177e4SLinus Torvalds .tolen = name->len 5161da177e4SLinus Torvalds }; 517136f2627STrond Myklebust struct nfs3_linkres res; 518dead28daSChuck Lever struct rpc_message msg = { 519dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 520dead28daSChuck Lever .rpc_argp = &arg, 521dead28daSChuck Lever .rpc_resp = &res, 522dead28daSChuck Lever }; 523136f2627STrond Myklebust int status = -ENOMEM; 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 526136f2627STrond Myklebust res.fattr = nfs_alloc_fattr(); 527136f2627STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 528136f2627STrond Myklebust if (res.fattr == NULL || res.dir_attr == NULL) 529136f2627STrond Myklebust goto out; 530136f2627STrond Myklebust 531dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 532136f2627STrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 533136f2627STrond Myklebust nfs_post_op_update_inode(inode, res.fattr); 534136f2627STrond Myklebust out: 535136f2627STrond Myklebust nfs_free_fattr(res.dir_attr); 536136f2627STrond Myklebust nfs_free_fattr(res.fattr); 5371da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 5381da177e4SLinus Torvalds return status; 5391da177e4SLinus Torvalds } 5401da177e4SLinus Torvalds 5411da177e4SLinus Torvalds static int 54294a6d753SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 54394a6d753SChuck Lever unsigned int len, struct iattr *sattr) 5441da177e4SLinus Torvalds { 5450b4aae7aSTrond Myklebust struct nfs3_createdata *data; 5460b4aae7aSTrond Myklebust int status = -ENOMEM; 5471da177e4SLinus Torvalds 54894a6d753SChuck Lever if (len > NFS3_MAXPATHLEN) 5491da177e4SLinus Torvalds return -ENAMETOOLONG; 5504f390c15SChuck Lever 55194a6d753SChuck Lever dprintk("NFS call symlink %s\n", dentry->d_name.name); 55294a6d753SChuck Lever 5530b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5540b4aae7aSTrond Myklebust if (data == NULL) 5554f390c15SChuck Lever goto out; 5560b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK]; 5570b4aae7aSTrond Myklebust data->arg.symlink.fromfh = NFS_FH(dir); 5580b4aae7aSTrond Myklebust data->arg.symlink.fromname = dentry->d_name.name; 5590b4aae7aSTrond Myklebust data->arg.symlink.fromlen = dentry->d_name.len; 5600b4aae7aSTrond Myklebust data->arg.symlink.pages = &page; 5610b4aae7aSTrond Myklebust data->arg.symlink.pathlen = len; 5620b4aae7aSTrond Myklebust data->arg.symlink.sattr = sattr; 5630b4aae7aSTrond Myklebust 5640b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 5650b4aae7aSTrond Myklebust 5660b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5674f390c15SChuck Lever out: 5681da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5691da177e4SLinus Torvalds return status; 5701da177e4SLinus Torvalds } 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds static int 5731da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5741da177e4SLinus Torvalds { 5750b4aae7aSTrond Myklebust struct nfs3_createdata *data; 576d3fb6120SAl Viro umode_t mode = sattr->ia_mode; 5770b4aae7aSTrond Myklebust int status = -ENOMEM; 5781da177e4SLinus Torvalds 5791da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 580055ffbeaSAndreas Gruenbacher 581ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 582055ffbeaSAndreas Gruenbacher 5830b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5840b4aae7aSTrond Myklebust if (data == NULL) 5850b4aae7aSTrond Myklebust goto out; 5860b4aae7aSTrond Myklebust 5870b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR]; 5880b4aae7aSTrond Myklebust data->arg.mkdir.fh = NFS_FH(dir); 5890b4aae7aSTrond Myklebust data->arg.mkdir.name = dentry->d_name.name; 5900b4aae7aSTrond Myklebust data->arg.mkdir.len = dentry->d_name.len; 5910b4aae7aSTrond Myklebust data->arg.mkdir.sattr = sattr; 5920b4aae7aSTrond Myklebust 5930b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 594055ffbeaSAndreas Gruenbacher if (status != 0) 595055ffbeaSAndreas Gruenbacher goto out; 5960b4aae7aSTrond Myklebust 597055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 598055ffbeaSAndreas Gruenbacher out: 5990b4aae7aSTrond Myklebust nfs3_free_createdata(data); 6001da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 6011da177e4SLinus Torvalds return status; 6021da177e4SLinus Torvalds } 6031da177e4SLinus Torvalds 6041da177e4SLinus Torvalds static int 6051da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 6061da177e4SLinus Torvalds { 60739967ddfSTrond Myklebust struct nfs_fattr *dir_attr; 6081da177e4SLinus Torvalds struct nfs3_diropargs arg = { 6091da177e4SLinus Torvalds .fh = NFS_FH(dir), 6101da177e4SLinus Torvalds .name = name->name, 6111da177e4SLinus Torvalds .len = name->len 6121da177e4SLinus Torvalds }; 613dead28daSChuck Lever struct rpc_message msg = { 614dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 615dead28daSChuck Lever .rpc_argp = &arg, 616dead28daSChuck Lever }; 61739967ddfSTrond Myklebust int status = -ENOMEM; 6181da177e4SLinus Torvalds 6191da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 62039967ddfSTrond Myklebust dir_attr = nfs_alloc_fattr(); 62139967ddfSTrond Myklebust if (dir_attr == NULL) 62239967ddfSTrond Myklebust goto out; 62339967ddfSTrond Myklebust 62439967ddfSTrond Myklebust msg.rpc_resp = dir_attr; 625dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 62639967ddfSTrond Myklebust nfs_post_op_update_inode(dir, dir_attr); 62739967ddfSTrond Myklebust nfs_free_fattr(dir_attr); 62839967ddfSTrond Myklebust out: 6291da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 6301da177e4SLinus Torvalds return status; 6311da177e4SLinus Torvalds } 6321da177e4SLinus Torvalds 6331da177e4SLinus Torvalds /* 6341da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 6351da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 6361da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 6371da177e4SLinus Torvalds * sure the reply is syntactically correct. 6381da177e4SLinus Torvalds * 6391da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 6401da177e4SLinus Torvalds * readdirplus. 6411da177e4SLinus Torvalds */ 6421da177e4SLinus Torvalds static int 6431da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 64456e4ebf8SBryan Schumaker u64 cookie, struct page **pages, unsigned int count, int plus) 6451da177e4SLinus Torvalds { 6461da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 647c3f52af3STrond Myklebust __be32 *verf = NFS_I(dir)->cookieverf; 6481da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6491da177e4SLinus Torvalds .fh = NFS_FH(dir), 6501da177e4SLinus Torvalds .cookie = cookie, 6511da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6521da177e4SLinus Torvalds .plus = plus, 6531da177e4SLinus Torvalds .count = count, 65456e4ebf8SBryan Schumaker .pages = pages 6551da177e4SLinus Torvalds }; 6561da177e4SLinus Torvalds struct nfs3_readdirres res = { 6571da177e4SLinus Torvalds .verf = verf, 6581da177e4SLinus Torvalds .plus = plus 6591da177e4SLinus Torvalds }; 6601da177e4SLinus Torvalds struct rpc_message msg = { 6611da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6621da177e4SLinus Torvalds .rpc_argp = &arg, 6631da177e4SLinus Torvalds .rpc_resp = &res, 6641da177e4SLinus Torvalds .rpc_cred = cred 6651da177e4SLinus Torvalds }; 666aa49b4cfSTrond Myklebust int status = -ENOMEM; 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds if (plus) 6691da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6701da177e4SLinus Torvalds 6711da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6721da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6731da177e4SLinus Torvalds 674aa49b4cfSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 675aa49b4cfSTrond Myklebust if (res.dir_attr == NULL) 676aa49b4cfSTrond Myklebust goto out; 677aa49b4cfSTrond Myklebust 6781da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 679c4812998STrond Myklebust 680c4812998STrond Myklebust nfs_invalidate_atime(dir); 681aa49b4cfSTrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 682c4812998STrond Myklebust 683aa49b4cfSTrond Myklebust nfs_free_fattr(res.dir_attr); 684aa49b4cfSTrond Myklebust out: 685d141d974SChuck Lever dprintk("NFS reply readdir%s: %d\n", 686d141d974SChuck Lever plus? "plus" : "", status); 6871da177e4SLinus Torvalds return status; 6881da177e4SLinus Torvalds } 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds static int 6911da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 6921da177e4SLinus Torvalds dev_t rdev) 6931da177e4SLinus Torvalds { 6940b4aae7aSTrond Myklebust struct nfs3_createdata *data; 695d3fb6120SAl Viro umode_t mode = sattr->ia_mode; 6960b4aae7aSTrond Myklebust int status = -ENOMEM; 6971da177e4SLinus Torvalds 6981da177e4SLinus Torvalds dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, 6991da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 700055ffbeaSAndreas Gruenbacher 701ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 702055ffbeaSAndreas Gruenbacher 7030b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 7040b4aae7aSTrond Myklebust if (data == NULL) 705055ffbeaSAndreas Gruenbacher goto out; 7060b4aae7aSTrond Myklebust 7070b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD]; 7080b4aae7aSTrond Myklebust data->arg.mknod.fh = NFS_FH(dir); 7090b4aae7aSTrond Myklebust data->arg.mknod.name = dentry->d_name.name; 7100b4aae7aSTrond Myklebust data->arg.mknod.len = dentry->d_name.len; 7110b4aae7aSTrond Myklebust data->arg.mknod.sattr = sattr; 7120b4aae7aSTrond Myklebust data->arg.mknod.rdev = rdev; 7130b4aae7aSTrond Myklebust 7140b4aae7aSTrond Myklebust switch (sattr->ia_mode & S_IFMT) { 7150b4aae7aSTrond Myklebust case S_IFBLK: 7160b4aae7aSTrond Myklebust data->arg.mknod.type = NF3BLK; 7170b4aae7aSTrond Myklebust break; 7180b4aae7aSTrond Myklebust case S_IFCHR: 7190b4aae7aSTrond Myklebust data->arg.mknod.type = NF3CHR; 7200b4aae7aSTrond Myklebust break; 7210b4aae7aSTrond Myklebust case S_IFIFO: 7220b4aae7aSTrond Myklebust data->arg.mknod.type = NF3FIFO; 7230b4aae7aSTrond Myklebust break; 7240b4aae7aSTrond Myklebust case S_IFSOCK: 7250b4aae7aSTrond Myklebust data->arg.mknod.type = NF3SOCK; 7260b4aae7aSTrond Myklebust break; 7270b4aae7aSTrond Myklebust default: 7280b4aae7aSTrond Myklebust status = -EINVAL; 7290b4aae7aSTrond Myklebust goto out; 7300b4aae7aSTrond Myklebust } 7310b4aae7aSTrond Myklebust 7320b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 733055ffbeaSAndreas Gruenbacher if (status != 0) 734055ffbeaSAndreas Gruenbacher goto out; 735055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 736055ffbeaSAndreas Gruenbacher out: 7370b4aae7aSTrond Myklebust nfs3_free_createdata(data); 7381da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 7391da177e4SLinus Torvalds return status; 7401da177e4SLinus Torvalds } 7411da177e4SLinus Torvalds 7421da177e4SLinus Torvalds static int 7431da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 7441da177e4SLinus Torvalds struct nfs_fsstat *stat) 7451da177e4SLinus Torvalds { 746dead28daSChuck Lever struct rpc_message msg = { 747dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 748dead28daSChuck Lever .rpc_argp = fhandle, 749dead28daSChuck Lever .rpc_resp = stat, 750dead28daSChuck Lever }; 7511da177e4SLinus Torvalds int status; 7521da177e4SLinus Torvalds 7531da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7540e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 755dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 756d141d974SChuck Lever dprintk("NFS reply fsstat: %d\n", status); 7571da177e4SLinus Torvalds return status; 7581da177e4SLinus Torvalds } 7591da177e4SLinus Torvalds 7601da177e4SLinus Torvalds static int 76137ca8f5cSEG Keizer do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle, 7621da177e4SLinus Torvalds struct nfs_fsinfo *info) 7631da177e4SLinus Torvalds { 764dead28daSChuck Lever struct rpc_message msg = { 765dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 766dead28daSChuck Lever .rpc_argp = fhandle, 767dead28daSChuck Lever .rpc_resp = info, 768dead28daSChuck Lever }; 7691da177e4SLinus Torvalds int status; 7701da177e4SLinus Torvalds 7711da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7720e574af1STrond Myklebust nfs_fattr_init(info->fattr); 77337ca8f5cSEG Keizer status = rpc_call_sync(client, &msg, 0); 7741da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7751da177e4SLinus Torvalds return status; 7761da177e4SLinus Torvalds } 7771da177e4SLinus Torvalds 77837ca8f5cSEG Keizer /* 77937ca8f5cSEG Keizer * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via 78037ca8f5cSEG Keizer * nfs_create_server 78137ca8f5cSEG Keizer */ 78237ca8f5cSEG Keizer static int 78337ca8f5cSEG Keizer nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 78437ca8f5cSEG Keizer struct nfs_fsinfo *info) 78537ca8f5cSEG Keizer { 78637ca8f5cSEG Keizer int status; 78737ca8f5cSEG Keizer 78837ca8f5cSEG Keizer status = do_proc_fsinfo(server->client, fhandle, info); 78937ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 79037ca8f5cSEG Keizer status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info); 79137ca8f5cSEG Keizer return status; 79237ca8f5cSEG Keizer } 79337ca8f5cSEG Keizer 7941da177e4SLinus Torvalds static int 7951da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 7961da177e4SLinus Torvalds struct nfs_pathconf *info) 7971da177e4SLinus Torvalds { 798dead28daSChuck Lever struct rpc_message msg = { 799dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 800dead28daSChuck Lever .rpc_argp = fhandle, 801dead28daSChuck Lever .rpc_resp = info, 802dead28daSChuck Lever }; 8031da177e4SLinus Torvalds int status; 8041da177e4SLinus Torvalds 8051da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 8060e574af1STrond Myklebust nfs_fattr_init(info->fattr); 807dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 8081da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 8091da177e4SLinus Torvalds return status; 8101da177e4SLinus Torvalds } 8111da177e4SLinus Torvalds 812ec06c096STrond Myklebust static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) 8131da177e4SLinus Torvalds { 814cd841605SFred Isaman struct inode *inode = data->header->inode; 815cd841605SFred Isaman 816cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 817ec06c096STrond Myklebust return -EAGAIN; 8188850df99STrond Myklebust 819cd841605SFred Isaman nfs_invalidate_atime(inode); 820cd841605SFred Isaman nfs_refresh_inode(inode, &data->fattr); 821ec06c096STrond Myklebust return 0; 8221da177e4SLinus Torvalds } 8231da177e4SLinus Torvalds 824bdc7f021STrond Myklebust static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) 8251da177e4SLinus Torvalds { 826bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; 8271da177e4SLinus Torvalds } 8281da177e4SLinus Torvalds 829ea7c3303SBryan Schumaker static void nfs3_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data) 830ea7c3303SBryan Schumaker { 831ea7c3303SBryan Schumaker rpc_call_start(task); 832ea7c3303SBryan Schumaker } 833ea7c3303SBryan Schumaker 834788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 8351da177e4SLinus Torvalds { 836cd841605SFred Isaman struct inode *inode = data->header->inode; 837cd841605SFred Isaman 838cd841605SFred Isaman if (nfs3_async_handle_jukebox(task, inode)) 839788e7a89STrond Myklebust return -EAGAIN; 8401da177e4SLinus Torvalds if (task->tk_status >= 0) 841cd841605SFred Isaman nfs_post_op_update_inode_force_wcc(inode, data->res.fattr); 842788e7a89STrond Myklebust return 0; 8431da177e4SLinus Torvalds } 8441da177e4SLinus Torvalds 845bdc7f021STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) 8461da177e4SLinus Torvalds { 847bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; 8481da177e4SLinus Torvalds } 8491da177e4SLinus Torvalds 850c6cb80d0SBryan Schumaker static void nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data) 851c6cb80d0SBryan Schumaker { 852c6cb80d0SBryan Schumaker rpc_call_start(task); 853c6cb80d0SBryan Schumaker } 854c6cb80d0SBryan Schumaker 8550b7c0153SFred Isaman static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) 8560b7c0153SFred Isaman { 8570b7c0153SFred Isaman rpc_call_start(task); 8580b7c0153SFred Isaman } 8590b7c0153SFred Isaman 8600b7c0153SFred Isaman static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data) 8611da177e4SLinus Torvalds { 862006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 863788e7a89STrond Myklebust return -EAGAIN; 8649e08a3c5STrond Myklebust nfs_refresh_inode(data->inode, data->res.fattr); 865788e7a89STrond Myklebust return 0; 8661da177e4SLinus Torvalds } 8671da177e4SLinus Torvalds 8680b7c0153SFred Isaman static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg) 8691da177e4SLinus Torvalds { 870bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; 8711da177e4SLinus Torvalds } 8721da177e4SLinus Torvalds 8731da177e4SLinus Torvalds static int 8741da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 8751da177e4SLinus Torvalds { 876496ad9aaSAl Viro struct inode *inode = file_inode(filp); 8771093a60eSChuck Lever 8781093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 8791da177e4SLinus Torvalds } 8801da177e4SLinus Torvalds 881011e2a7fSBryan Schumaker static int nfs3_have_delegation(struct inode *inode, fmode_t flags) 882011e2a7fSBryan Schumaker { 883011e2a7fSBryan Schumaker return 0; 884011e2a7fSBryan Schumaker } 885011e2a7fSBryan Schumaker 88657ec14c5SBryan Schumaker static int nfs3_return_delegation(struct inode *inode) 88757ec14c5SBryan Schumaker { 88857ec14c5SBryan Schumaker nfs_wb_all(inode); 88957ec14c5SBryan Schumaker return 0; 89057ec14c5SBryan Schumaker } 89157ec14c5SBryan Schumaker 892ab96291eSBryan Schumaker static const struct inode_operations nfs3_dir_inode_operations = { 893ab96291eSBryan Schumaker .create = nfs_create, 894ab96291eSBryan Schumaker .lookup = nfs_lookup, 895ab96291eSBryan Schumaker .link = nfs_link, 896ab96291eSBryan Schumaker .unlink = nfs_unlink, 897ab96291eSBryan Schumaker .symlink = nfs_symlink, 898ab96291eSBryan Schumaker .mkdir = nfs_mkdir, 899ab96291eSBryan Schumaker .rmdir = nfs_rmdir, 900ab96291eSBryan Schumaker .mknod = nfs_mknod, 901ab96291eSBryan Schumaker .rename = nfs_rename, 902ab96291eSBryan Schumaker .permission = nfs_permission, 903ab96291eSBryan Schumaker .getattr = nfs_getattr, 904ab96291eSBryan Schumaker .setattr = nfs_setattr, 905ab96291eSBryan Schumaker .listxattr = nfs3_listxattr, 906ab96291eSBryan Schumaker .getxattr = nfs3_getxattr, 907ab96291eSBryan Schumaker .setxattr = nfs3_setxattr, 908ab96291eSBryan Schumaker .removexattr = nfs3_removexattr, 909ab96291eSBryan Schumaker }; 910ab96291eSBryan Schumaker 911ab96291eSBryan Schumaker static const struct inode_operations nfs3_file_inode_operations = { 912ab96291eSBryan Schumaker .permission = nfs_permission, 913ab96291eSBryan Schumaker .getattr = nfs_getattr, 914ab96291eSBryan Schumaker .setattr = nfs_setattr, 915ab96291eSBryan Schumaker .listxattr = nfs3_listxattr, 916ab96291eSBryan Schumaker .getxattr = nfs3_getxattr, 917ab96291eSBryan Schumaker .setxattr = nfs3_setxattr, 918ab96291eSBryan Schumaker .removexattr = nfs3_removexattr, 919ab96291eSBryan Schumaker }; 920ab96291eSBryan Schumaker 921509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 9221da177e4SLinus Torvalds .version = 3, /* protocol version */ 9231da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 924b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 925b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 9261788ea6eSJeff Layton .file_ops = &nfs_file_operations, 9271da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 928281cad46SBryan Schumaker .submount = nfs_submount, 929ff9099f2SBryan Schumaker .try_mount = nfs_try_mount, 9301da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 9311da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 9321da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 9331da177e4SLinus Torvalds .access = nfs3_proc_access, 9341da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 9351da177e4SLinus Torvalds .create = nfs3_proc_create, 9361da177e4SLinus Torvalds .remove = nfs3_proc_remove, 9371da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 93834e137ccSBryan Schumaker .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare, 9391da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 9401da177e4SLinus Torvalds .rename = nfs3_proc_rename, 941d3d4152aSJeff Layton .rename_setup = nfs3_proc_rename_setup, 942c6bfa1a1SBryan Schumaker .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare, 943d3d4152aSJeff Layton .rename_done = nfs3_proc_rename_done, 9441da177e4SLinus Torvalds .link = nfs3_proc_link, 9451da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 9461da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 9471da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 9481da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 9491da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 9501da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 9511da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 9521da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 9531da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 9541da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 9551abb5088SBryan Schumaker .read_pageio_init = nfs_pageio_init_read, 956ea7c3303SBryan Schumaker .read_rpc_prepare = nfs3_proc_read_rpc_prepare, 957ec06c096STrond Myklebust .read_done = nfs3_read_done, 9581da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 95957208fa7SBryan Schumaker .write_pageio_init = nfs_pageio_init_write, 960c6cb80d0SBryan Schumaker .write_rpc_prepare = nfs3_proc_write_rpc_prepare, 961788e7a89STrond Myklebust .write_done = nfs3_write_done, 9621da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 9630b7c0153SFred Isaman .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare, 964788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 9651da177e4SLinus Torvalds .lock = nfs3_proc_lock, 9665c6a9f7dSAndreas Gruenbacher .clear_acl_cache = nfs3_forget_cached_acls, 9677fe5c398STrond Myklebust .close_context = nfs_close_context, 968011e2a7fSBryan Schumaker .have_delegation = nfs3_have_delegation, 96957ec14c5SBryan Schumaker .return_delegation = nfs3_return_delegation, 9706663ee7fSBryan Schumaker .alloc_client = nfs_alloc_client, 97145a52a02SAndy Adamson .init_client = nfs_init_client, 972cdb7ecedSBryan Schumaker .free_client = nfs_free_client, 9731179acc6SBryan Schumaker .create_server = nfs3_create_server, 9741179acc6SBryan Schumaker .clone_server = nfs3_clone_server, 9751da177e4SLinus Torvalds }; 976