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> 201da177e4SLinus Torvalds 21006ea73eSChuck Lever #include "iostat.h" 22f7b422b1SDavid Howells #include "internal.h" 23006ea73eSChuck Lever 241da177e4SLinus Torvalds #define NFSDBG_FACILITY NFSDBG_PROC 251da177e4SLinus Torvalds 26b68d69b8SJeff Layton /* A wrapper to handle the EJUKEBOX and EKEYEXPIRED error messages */ 271da177e4SLinus Torvalds static int 281da177e4SLinus Torvalds nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) 291da177e4SLinus Torvalds { 301da177e4SLinus Torvalds int res; 311da177e4SLinus Torvalds do { 321da177e4SLinus Torvalds res = rpc_call_sync(clnt, msg, flags); 33b68d69b8SJeff Layton if (res != -EJUKEBOX && res != -EKEYEXPIRED) 341da177e4SLinus Torvalds break; 35150030b7SMatthew Wilcox schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); 361da177e4SLinus Torvalds res = -ERESTARTSYS; 37150030b7SMatthew Wilcox } while (!fatal_signal_pending(current)); 381da177e4SLinus Torvalds return res; 391da177e4SLinus Torvalds } 401da177e4SLinus Torvalds 41dead28daSChuck Lever #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) 421da177e4SLinus Torvalds 431da177e4SLinus Torvalds static int 44006ea73eSChuck Lever nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) 451da177e4SLinus Torvalds { 46b68d69b8SJeff Layton if (task->tk_status != -EJUKEBOX && task->tk_status != -EKEYEXPIRED) 471da177e4SLinus Torvalds return 0; 48b68d69b8SJeff Layton if (task->tk_status == -EJUKEBOX) 49006ea73eSChuck Lever nfs_inc_stats(inode, NFSIOS_DELAY); 501da177e4SLinus Torvalds task->tk_status = 0; 511da177e4SLinus Torvalds rpc_restart_call(task); 521da177e4SLinus Torvalds rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); 531da177e4SLinus Torvalds return 1; 541da177e4SLinus Torvalds } 551da177e4SLinus Torvalds 5603c21733SJ. Bruce Fields static int 5703c21733SJ. Bruce Fields do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, 5803c21733SJ. Bruce Fields struct nfs_fsinfo *info) 5903c21733SJ. Bruce Fields { 60dead28daSChuck Lever struct rpc_message msg = { 61dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 62dead28daSChuck Lever .rpc_argp = fhandle, 63dead28daSChuck Lever .rpc_resp = info, 64dead28daSChuck Lever }; 6503c21733SJ. Bruce Fields int status; 6603c21733SJ. Bruce Fields 673110ff80SHarvey Harrison dprintk("%s: call fsinfo\n", __func__); 6803c21733SJ. Bruce Fields nfs_fattr_init(info->fattr); 69dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 703110ff80SHarvey Harrison dprintk("%s: reply fsinfo: %d\n", __func__, status); 7103c21733SJ. Bruce Fields if (!(info->fattr->valid & NFS_ATTR_FATTR)) { 72dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 73dead28daSChuck Lever msg.rpc_resp = info->fattr; 74dead28daSChuck Lever status = rpc_call_sync(client, &msg, 0); 753110ff80SHarvey Harrison dprintk("%s: reply getattr: %d\n", __func__, status); 7603c21733SJ. Bruce Fields } 7703c21733SJ. Bruce Fields return status; 7803c21733SJ. Bruce Fields } 7903c21733SJ. Bruce Fields 801da177e4SLinus Torvalds /* 8154ceac45SDavid Howells * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb 821da177e4SLinus Torvalds */ 831da177e4SLinus Torvalds static int 841da177e4SLinus Torvalds nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, 851da177e4SLinus Torvalds struct nfs_fsinfo *info) 861da177e4SLinus Torvalds { 871da177e4SLinus Torvalds int status; 881da177e4SLinus Torvalds 8903c21733SJ. Bruce Fields status = do_proc_get_root(server->client, fhandle, info); 905006a76cSDavid Howells if (status && server->nfs_client->cl_rpcclient != server->client) 915006a76cSDavid Howells status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); 921da177e4SLinus Torvalds return status; 931da177e4SLinus Torvalds } 941da177e4SLinus Torvalds 951da177e4SLinus Torvalds /* 961da177e4SLinus Torvalds * One function for each procedure in the NFS protocol. 971da177e4SLinus Torvalds */ 981da177e4SLinus Torvalds static int 991da177e4SLinus Torvalds nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, 1001da177e4SLinus Torvalds struct nfs_fattr *fattr) 1011da177e4SLinus Torvalds { 102dead28daSChuck Lever struct rpc_message msg = { 103dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], 104dead28daSChuck Lever .rpc_argp = fhandle, 105dead28daSChuck Lever .rpc_resp = fattr, 106dead28daSChuck Lever }; 1071da177e4SLinus Torvalds int status; 1081da177e4SLinus Torvalds 1091da177e4SLinus Torvalds dprintk("NFS call getattr\n"); 1100e574af1STrond Myklebust nfs_fattr_init(fattr); 111dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 1121da177e4SLinus Torvalds dprintk("NFS reply getattr: %d\n", status); 1131da177e4SLinus Torvalds return status; 1141da177e4SLinus Torvalds } 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvalds static int 1171da177e4SLinus Torvalds nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, 1181da177e4SLinus Torvalds struct iattr *sattr) 1191da177e4SLinus Torvalds { 1201da177e4SLinus Torvalds struct inode *inode = dentry->d_inode; 1211da177e4SLinus Torvalds struct nfs3_sattrargs arg = { 1221da177e4SLinus Torvalds .fh = NFS_FH(inode), 1231da177e4SLinus Torvalds .sattr = sattr, 1241da177e4SLinus Torvalds }; 125dead28daSChuck Lever struct rpc_message msg = { 126dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], 127dead28daSChuck Lever .rpc_argp = &arg, 128dead28daSChuck Lever .rpc_resp = fattr, 129dead28daSChuck Lever }; 1301da177e4SLinus Torvalds int status; 1311da177e4SLinus Torvalds 1321da177e4SLinus Torvalds dprintk("NFS call setattr\n"); 133659bfcd6STrond Myklebust if (sattr->ia_valid & ATTR_FILE) 134659bfcd6STrond Myklebust msg.rpc_cred = nfs_file_cred(sattr->ia_file); 1350e574af1STrond Myklebust nfs_fattr_init(fattr); 136dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 13765e4308dSTrond Myklebust if (status == 0) 13865e4308dSTrond Myklebust nfs_setattr_update_inode(inode, sattr); 1391da177e4SLinus Torvalds dprintk("NFS reply setattr: %d\n", status); 1401da177e4SLinus Torvalds return status; 1411da177e4SLinus Torvalds } 1421da177e4SLinus Torvalds 1431da177e4SLinus Torvalds static int 1441da177e4SLinus Torvalds nfs3_proc_lookup(struct inode *dir, struct qstr *name, 1451da177e4SLinus Torvalds struct nfs_fh *fhandle, struct nfs_fattr *fattr) 1461da177e4SLinus Torvalds { 1471da177e4SLinus Torvalds struct nfs3_diropargs arg = { 1481da177e4SLinus Torvalds .fh = NFS_FH(dir), 1491da177e4SLinus Torvalds .name = name->name, 1501da177e4SLinus Torvalds .len = name->len 1511da177e4SLinus Torvalds }; 1521da177e4SLinus Torvalds struct nfs3_diropres res = { 1531da177e4SLinus Torvalds .fh = fhandle, 1541da177e4SLinus Torvalds .fattr = fattr 1551da177e4SLinus Torvalds }; 156dead28daSChuck Lever struct rpc_message msg = { 157dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], 158dead28daSChuck Lever .rpc_argp = &arg, 159dead28daSChuck Lever .rpc_resp = &res, 160dead28daSChuck Lever }; 1611da177e4SLinus Torvalds int status; 1621da177e4SLinus Torvalds 1631da177e4SLinus Torvalds dprintk("NFS call lookup %s\n", name->name); 164e1fb4d05STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 165e1fb4d05STrond Myklebust if (res.dir_attr == NULL) 166e1fb4d05STrond Myklebust return -ENOMEM; 167e1fb4d05STrond Myklebust 1680e574af1STrond Myklebust nfs_fattr_init(fattr); 169dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 170e1fb4d05STrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 171dead28daSChuck Lever if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { 172dead28daSChuck Lever msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; 173dead28daSChuck Lever msg.rpc_argp = fhandle; 174dead28daSChuck Lever msg.rpc_resp = fattr; 175dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 176dead28daSChuck Lever } 177e1fb4d05STrond Myklebust nfs_free_fattr(res.dir_attr); 1781da177e4SLinus Torvalds dprintk("NFS reply lookup: %d\n", status); 1791da177e4SLinus Torvalds return status; 1801da177e4SLinus Torvalds } 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 1831da177e4SLinus Torvalds { 1841da177e4SLinus Torvalds struct nfs3_accessargs arg = { 1851da177e4SLinus Torvalds .fh = NFS_FH(inode), 1861da177e4SLinus Torvalds }; 187c407d41aSTrond Myklebust struct nfs3_accessres res; 1881da177e4SLinus Torvalds struct rpc_message msg = { 1891da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], 1901da177e4SLinus Torvalds .rpc_argp = &arg, 1911da177e4SLinus Torvalds .rpc_resp = &res, 192dead28daSChuck Lever .rpc_cred = entry->cred, 1931da177e4SLinus Torvalds }; 1941da177e4SLinus Torvalds int mode = entry->mask; 195c407d41aSTrond Myklebust int status = -ENOMEM; 1961da177e4SLinus Torvalds 1971da177e4SLinus Torvalds dprintk("NFS call access\n"); 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds if (mode & MAY_READ) 2001da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_READ; 2011da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 2021da177e4SLinus Torvalds if (mode & MAY_WRITE) 2031da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; 2041da177e4SLinus Torvalds if (mode & MAY_EXEC) 2051da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_LOOKUP; 2061da177e4SLinus Torvalds } else { 2071da177e4SLinus Torvalds if (mode & MAY_WRITE) 2081da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; 2091da177e4SLinus Torvalds if (mode & MAY_EXEC) 2101da177e4SLinus Torvalds arg.access |= NFS3_ACCESS_EXECUTE; 2111da177e4SLinus Torvalds } 212c407d41aSTrond Myklebust 213c407d41aSTrond Myklebust res.fattr = nfs_alloc_fattr(); 214c407d41aSTrond Myklebust if (res.fattr == NULL) 215c407d41aSTrond Myklebust goto out; 216c407d41aSTrond Myklebust 2171da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 218c407d41aSTrond Myklebust nfs_refresh_inode(inode, res.fattr); 2191da177e4SLinus Torvalds if (status == 0) { 2201da177e4SLinus Torvalds entry->mask = 0; 2211da177e4SLinus Torvalds if (res.access & NFS3_ACCESS_READ) 2221da177e4SLinus Torvalds entry->mask |= MAY_READ; 2231da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) 2241da177e4SLinus Torvalds entry->mask |= MAY_WRITE; 2251da177e4SLinus Torvalds if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) 2261da177e4SLinus Torvalds entry->mask |= MAY_EXEC; 2271da177e4SLinus Torvalds } 228c407d41aSTrond Myklebust nfs_free_fattr(res.fattr); 229c407d41aSTrond Myklebust out: 2301da177e4SLinus Torvalds dprintk("NFS reply access: %d\n", status); 2311da177e4SLinus Torvalds return status; 2321da177e4SLinus Torvalds } 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds static int nfs3_proc_readlink(struct inode *inode, struct page *page, 2351da177e4SLinus Torvalds unsigned int pgbase, unsigned int pglen) 2361da177e4SLinus Torvalds { 2373b14d654STrond Myklebust struct nfs_fattr *fattr; 2381da177e4SLinus Torvalds struct nfs3_readlinkargs args = { 2391da177e4SLinus Torvalds .fh = NFS_FH(inode), 2401da177e4SLinus Torvalds .pgbase = pgbase, 2411da177e4SLinus Torvalds .pglen = pglen, 2421da177e4SLinus Torvalds .pages = &page 2431da177e4SLinus Torvalds }; 244dead28daSChuck Lever struct rpc_message msg = { 245dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], 246dead28daSChuck Lever .rpc_argp = &args, 247dead28daSChuck Lever }; 2483b14d654STrond Myklebust int status = -ENOMEM; 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds dprintk("NFS call readlink\n"); 2513b14d654STrond Myklebust fattr = nfs_alloc_fattr(); 2523b14d654STrond Myklebust if (fattr == NULL) 2533b14d654STrond Myklebust goto out; 2543b14d654STrond Myklebust msg.rpc_resp = fattr; 2553b14d654STrond Myklebust 256dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 2573b14d654STrond Myklebust nfs_refresh_inode(inode, fattr); 2583b14d654STrond Myklebust nfs_free_fattr(fattr); 2593b14d654STrond Myklebust out: 2601da177e4SLinus Torvalds dprintk("NFS reply readlink: %d\n", status); 2611da177e4SLinus Torvalds return status; 2621da177e4SLinus Torvalds } 2631da177e4SLinus Torvalds 2640b4aae7aSTrond Myklebust struct nfs3_createdata { 2650b4aae7aSTrond Myklebust struct rpc_message msg; 2660b4aae7aSTrond Myklebust union { 2670b4aae7aSTrond Myklebust struct nfs3_createargs create; 2680b4aae7aSTrond Myklebust struct nfs3_mkdirargs mkdir; 2690b4aae7aSTrond Myklebust struct nfs3_symlinkargs symlink; 2700b4aae7aSTrond Myklebust struct nfs3_mknodargs mknod; 2710b4aae7aSTrond Myklebust } arg; 2720b4aae7aSTrond Myklebust struct nfs3_diropres res; 2730b4aae7aSTrond Myklebust struct nfs_fh fh; 2740b4aae7aSTrond Myklebust struct nfs_fattr fattr; 2750b4aae7aSTrond Myklebust struct nfs_fattr dir_attr; 2760b4aae7aSTrond Myklebust }; 2770b4aae7aSTrond Myklebust 2780b4aae7aSTrond Myklebust static struct nfs3_createdata *nfs3_alloc_createdata(void) 2790b4aae7aSTrond Myklebust { 2800b4aae7aSTrond Myklebust struct nfs3_createdata *data; 2810b4aae7aSTrond Myklebust 2820b4aae7aSTrond Myklebust data = kzalloc(sizeof(*data), GFP_KERNEL); 2830b4aae7aSTrond Myklebust if (data != NULL) { 2840b4aae7aSTrond Myklebust data->msg.rpc_argp = &data->arg; 2850b4aae7aSTrond Myklebust data->msg.rpc_resp = &data->res; 2860b4aae7aSTrond Myklebust data->res.fh = &data->fh; 2870b4aae7aSTrond Myklebust data->res.fattr = &data->fattr; 2880b4aae7aSTrond Myklebust data->res.dir_attr = &data->dir_attr; 2890b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 2900b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 2910b4aae7aSTrond Myklebust } 2920b4aae7aSTrond Myklebust return data; 2930b4aae7aSTrond Myklebust } 2940b4aae7aSTrond Myklebust 2950b4aae7aSTrond Myklebust static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data) 2960b4aae7aSTrond Myklebust { 2970b4aae7aSTrond Myklebust int status; 2980b4aae7aSTrond Myklebust 2990b4aae7aSTrond Myklebust status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0); 3000b4aae7aSTrond Myklebust nfs_post_op_update_inode(dir, data->res.dir_attr); 3010b4aae7aSTrond Myklebust if (status == 0) 3020b4aae7aSTrond Myklebust status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); 3030b4aae7aSTrond Myklebust return status; 3040b4aae7aSTrond Myklebust } 3050b4aae7aSTrond Myklebust 3060b4aae7aSTrond Myklebust static void nfs3_free_createdata(struct nfs3_createdata *data) 3070b4aae7aSTrond Myklebust { 3080b4aae7aSTrond Myklebust kfree(data); 3090b4aae7aSTrond Myklebust } 3100b4aae7aSTrond Myklebust 3111da177e4SLinus Torvalds /* 3121da177e4SLinus Torvalds * Create a regular file. 3131da177e4SLinus Torvalds */ 3141da177e4SLinus Torvalds static int 3151da177e4SLinus Torvalds nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 31602a913a7STrond Myklebust int flags, struct nameidata *nd) 3171da177e4SLinus Torvalds { 3180b4aae7aSTrond Myklebust struct nfs3_createdata *data; 319055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 3200b4aae7aSTrond Myklebust int status = -ENOMEM; 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds dprintk("NFS call create %s\n", dentry->d_name.name); 3230b4aae7aSTrond Myklebust 3240b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 3250b4aae7aSTrond Myklebust if (data == NULL) 3260b4aae7aSTrond Myklebust goto out; 3270b4aae7aSTrond Myklebust 3280b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE]; 3290b4aae7aSTrond Myklebust data->arg.create.fh = NFS_FH(dir); 3300b4aae7aSTrond Myklebust data->arg.create.name = dentry->d_name.name; 3310b4aae7aSTrond Myklebust data->arg.create.len = dentry->d_name.len; 3320b4aae7aSTrond Myklebust data->arg.create.sattr = sattr; 3330b4aae7aSTrond Myklebust 3340b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3351da177e4SLinus Torvalds if (flags & O_EXCL) { 3360b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE; 3370b4aae7aSTrond Myklebust data->arg.create.verifier[0] = jiffies; 3380b4aae7aSTrond Myklebust data->arg.create.verifier[1] = current->pid; 3391da177e4SLinus Torvalds } 3401da177e4SLinus Torvalds 341ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 342055ffbeaSAndreas Gruenbacher 3430b4aae7aSTrond Myklebust for (;;) { 3440b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 3451da177e4SLinus Torvalds 3460b4aae7aSTrond Myklebust if (status != -ENOTSUPP) 3470b4aae7aSTrond Myklebust break; 3480b4aae7aSTrond Myklebust /* If the server doesn't support the exclusive creation 3490b4aae7aSTrond Myklebust * semantics, try again with simple 'guarded' mode. */ 3500b4aae7aSTrond Myklebust switch (data->arg.create.createmode) { 3511da177e4SLinus Torvalds case NFS3_CREATE_EXCLUSIVE: 3520b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_GUARDED; 3531da177e4SLinus Torvalds break; 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds case NFS3_CREATE_GUARDED: 3560b4aae7aSTrond Myklebust data->arg.create.createmode = NFS3_CREATE_UNCHECKED; 3571da177e4SLinus Torvalds break; 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds case NFS3_CREATE_UNCHECKED: 3601da177e4SLinus Torvalds goto out; 3611da177e4SLinus Torvalds } 3620b4aae7aSTrond Myklebust nfs_fattr_init(data->res.dir_attr); 3630b4aae7aSTrond Myklebust nfs_fattr_init(data->res.fattr); 3641da177e4SLinus Torvalds } 3651da177e4SLinus Torvalds 3661da177e4SLinus Torvalds if (status != 0) 3671da177e4SLinus Torvalds goto out; 3681da177e4SLinus Torvalds 3691da177e4SLinus Torvalds /* When we created the file with exclusive semantics, make 3701da177e4SLinus Torvalds * sure we set the attributes afterwards. */ 3710b4aae7aSTrond Myklebust if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) { 3721da177e4SLinus Torvalds dprintk("NFS call setattr (post-create)\n"); 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_ATIME_SET)) 3751da177e4SLinus Torvalds sattr->ia_valid |= ATTR_ATIME; 3761da177e4SLinus Torvalds if (!(sattr->ia_valid & ATTR_MTIME_SET)) 3771da177e4SLinus Torvalds sattr->ia_valid |= ATTR_MTIME; 3781da177e4SLinus Torvalds 3791da177e4SLinus Torvalds /* Note: we could use a guarded setattr here, but I'm 3801da177e4SLinus Torvalds * not sure this buys us anything (and I'd have 3811da177e4SLinus Torvalds * to revamp the NFSv3 XDR code) */ 3820b4aae7aSTrond Myklebust status = nfs3_proc_setattr(dentry, data->res.fattr, sattr); 3830b4aae7aSTrond Myklebust nfs_post_op_update_inode(dentry->d_inode, data->res.fattr); 3841da177e4SLinus Torvalds dprintk("NFS reply setattr (post-create): %d\n", status); 385055ffbeaSAndreas Gruenbacher if (status != 0) 386055ffbeaSAndreas Gruenbacher goto out; 3870b4aae7aSTrond Myklebust } 388055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 3891da177e4SLinus Torvalds out: 3900b4aae7aSTrond Myklebust nfs3_free_createdata(data); 3911da177e4SLinus Torvalds dprintk("NFS reply create: %d\n", status); 3921da177e4SLinus Torvalds return status; 3931da177e4SLinus Torvalds } 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds static int 3961da177e4SLinus Torvalds nfs3_proc_remove(struct inode *dir, struct qstr *name) 3971da177e4SLinus Torvalds { 3984fdc17b2STrond Myklebust struct nfs_removeargs arg = { 3991da177e4SLinus Torvalds .fh = NFS_FH(dir), 4004fdc17b2STrond Myklebust .name.len = name->len, 4014fdc17b2STrond Myklebust .name.name = name->name, 4021da177e4SLinus Torvalds }; 4034fdc17b2STrond Myklebust struct nfs_removeres res; 4041da177e4SLinus Torvalds struct rpc_message msg = { 4051da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], 4061da177e4SLinus Torvalds .rpc_argp = &arg, 4074fdc17b2STrond Myklebust .rpc_resp = &res, 4081da177e4SLinus Torvalds }; 409d346890bSTrond Myklebust int status = -ENOMEM; 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds dprintk("NFS call remove %s\n", name->name); 412d346890bSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 413d346890bSTrond Myklebust if (res.dir_attr == NULL) 414d346890bSTrond Myklebust goto out; 415d346890bSTrond Myklebust 4161da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 417d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 418d346890bSTrond Myklebust nfs_free_fattr(res.dir_attr); 419d346890bSTrond Myklebust out: 4201da177e4SLinus Torvalds dprintk("NFS reply remove: %d\n", status); 4211da177e4SLinus Torvalds return status; 4221da177e4SLinus Torvalds } 4231da177e4SLinus Torvalds 424e4eff1a6STrond Myklebust static void 425e4eff1a6STrond Myklebust nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) 4261da177e4SLinus Torvalds { 4271da177e4SLinus Torvalds msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; 4281da177e4SLinus Torvalds } 4291da177e4SLinus Torvalds 4301da177e4SLinus Torvalds static int 431e4eff1a6STrond Myklebust nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) 4321da177e4SLinus Torvalds { 433e4eff1a6STrond Myklebust struct nfs_removeres *res; 434e4eff1a6STrond Myklebust if (nfs3_async_handle_jukebox(task, dir)) 4351da177e4SLinus Torvalds return 0; 436e4eff1a6STrond Myklebust res = task->tk_msg.rpc_resp; 437d346890bSTrond Myklebust nfs_post_op_update_inode(dir, res->dir_attr); 438e4eff1a6STrond Myklebust return 1; 4391da177e4SLinus Torvalds } 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds static int 4421da177e4SLinus Torvalds nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, 4431da177e4SLinus Torvalds struct inode *new_dir, struct qstr *new_name) 4441da177e4SLinus Torvalds { 4451da177e4SLinus Torvalds struct nfs3_renameargs arg = { 4461da177e4SLinus Torvalds .fromfh = NFS_FH(old_dir), 4471da177e4SLinus Torvalds .fromname = old_name->name, 4481da177e4SLinus Torvalds .fromlen = old_name->len, 4491da177e4SLinus Torvalds .tofh = NFS_FH(new_dir), 4501da177e4SLinus Torvalds .toname = new_name->name, 4511da177e4SLinus Torvalds .tolen = new_name->len 4521da177e4SLinus Torvalds }; 453011fff72STrond Myklebust struct nfs3_renameres res; 454dead28daSChuck Lever struct rpc_message msg = { 455dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], 456dead28daSChuck Lever .rpc_argp = &arg, 457dead28daSChuck Lever .rpc_resp = &res, 458dead28daSChuck Lever }; 459011fff72STrond Myklebust int status = -ENOMEM; 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); 462011fff72STrond Myklebust 463011fff72STrond Myklebust res.fromattr = nfs_alloc_fattr(); 464011fff72STrond Myklebust res.toattr = nfs_alloc_fattr(); 465011fff72STrond Myklebust if (res.fromattr == NULL || res.toattr == NULL) 466011fff72STrond Myklebust goto out; 467011fff72STrond Myklebust 468dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); 469011fff72STrond Myklebust nfs_post_op_update_inode(old_dir, res.fromattr); 470011fff72STrond Myklebust nfs_post_op_update_inode(new_dir, res.toattr); 471011fff72STrond Myklebust out: 472011fff72STrond Myklebust nfs_free_fattr(res.toattr); 473011fff72STrond Myklebust nfs_free_fattr(res.fromattr); 4741da177e4SLinus Torvalds dprintk("NFS reply rename: %d\n", status); 4751da177e4SLinus Torvalds return status; 4761da177e4SLinus Torvalds } 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds static int 4791da177e4SLinus Torvalds nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) 4801da177e4SLinus Torvalds { 4811da177e4SLinus Torvalds struct nfs3_linkargs arg = { 4821da177e4SLinus Torvalds .fromfh = NFS_FH(inode), 4831da177e4SLinus Torvalds .tofh = NFS_FH(dir), 4841da177e4SLinus Torvalds .toname = name->name, 4851da177e4SLinus Torvalds .tolen = name->len 4861da177e4SLinus Torvalds }; 487136f2627STrond Myklebust struct nfs3_linkres res; 488dead28daSChuck Lever struct rpc_message msg = { 489dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], 490dead28daSChuck Lever .rpc_argp = &arg, 491dead28daSChuck Lever .rpc_resp = &res, 492dead28daSChuck Lever }; 493136f2627STrond Myklebust int status = -ENOMEM; 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds dprintk("NFS call link %s\n", name->name); 496136f2627STrond Myklebust res.fattr = nfs_alloc_fattr(); 497136f2627STrond Myklebust res.dir_attr = nfs_alloc_fattr(); 498136f2627STrond Myklebust if (res.fattr == NULL || res.dir_attr == NULL) 499136f2627STrond Myklebust goto out; 500136f2627STrond Myklebust 501dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); 502136f2627STrond Myklebust nfs_post_op_update_inode(dir, res.dir_attr); 503136f2627STrond Myklebust nfs_post_op_update_inode(inode, res.fattr); 504136f2627STrond Myklebust out: 505136f2627STrond Myklebust nfs_free_fattr(res.dir_attr); 506136f2627STrond Myklebust nfs_free_fattr(res.fattr); 5071da177e4SLinus Torvalds dprintk("NFS reply link: %d\n", status); 5081da177e4SLinus Torvalds return status; 5091da177e4SLinus Torvalds } 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds static int 51294a6d753SChuck Lever nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, 51394a6d753SChuck Lever unsigned int len, struct iattr *sattr) 5141da177e4SLinus Torvalds { 5150b4aae7aSTrond Myklebust struct nfs3_createdata *data; 5160b4aae7aSTrond Myklebust int status = -ENOMEM; 5171da177e4SLinus Torvalds 51894a6d753SChuck Lever if (len > NFS3_MAXPATHLEN) 5191da177e4SLinus Torvalds return -ENAMETOOLONG; 5204f390c15SChuck Lever 52194a6d753SChuck Lever dprintk("NFS call symlink %s\n", dentry->d_name.name); 52294a6d753SChuck Lever 5230b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5240b4aae7aSTrond Myklebust if (data == NULL) 5254f390c15SChuck Lever goto out; 5260b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK]; 5270b4aae7aSTrond Myklebust data->arg.symlink.fromfh = NFS_FH(dir); 5280b4aae7aSTrond Myklebust data->arg.symlink.fromname = dentry->d_name.name; 5290b4aae7aSTrond Myklebust data->arg.symlink.fromlen = dentry->d_name.len; 5300b4aae7aSTrond Myklebust data->arg.symlink.pages = &page; 5310b4aae7aSTrond Myklebust data->arg.symlink.pathlen = len; 5320b4aae7aSTrond Myklebust data->arg.symlink.sattr = sattr; 5330b4aae7aSTrond Myklebust 5340b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 5350b4aae7aSTrond Myklebust 5360b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5374f390c15SChuck Lever out: 5381da177e4SLinus Torvalds dprintk("NFS reply symlink: %d\n", status); 5391da177e4SLinus Torvalds return status; 5401da177e4SLinus Torvalds } 5411da177e4SLinus Torvalds 5421da177e4SLinus Torvalds static int 5431da177e4SLinus Torvalds nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 5441da177e4SLinus Torvalds { 5450b4aae7aSTrond Myklebust struct nfs3_createdata *data; 546055ffbeaSAndreas Gruenbacher int mode = sattr->ia_mode; 5470b4aae7aSTrond Myklebust int status = -ENOMEM; 5481da177e4SLinus Torvalds 5491da177e4SLinus Torvalds dprintk("NFS call mkdir %s\n", dentry->d_name.name); 550055ffbeaSAndreas Gruenbacher 551ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 552055ffbeaSAndreas Gruenbacher 5530b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 5540b4aae7aSTrond Myklebust if (data == NULL) 5550b4aae7aSTrond Myklebust goto out; 5560b4aae7aSTrond Myklebust 5570b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR]; 5580b4aae7aSTrond Myklebust data->arg.mkdir.fh = NFS_FH(dir); 5590b4aae7aSTrond Myklebust data->arg.mkdir.name = dentry->d_name.name; 5600b4aae7aSTrond Myklebust data->arg.mkdir.len = dentry->d_name.len; 5610b4aae7aSTrond Myklebust data->arg.mkdir.sattr = sattr; 5620b4aae7aSTrond Myklebust 5630b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 564055ffbeaSAndreas Gruenbacher if (status != 0) 565055ffbeaSAndreas Gruenbacher goto out; 5660b4aae7aSTrond Myklebust 567055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 568055ffbeaSAndreas Gruenbacher out: 5690b4aae7aSTrond Myklebust nfs3_free_createdata(data); 5701da177e4SLinus Torvalds dprintk("NFS reply mkdir: %d\n", status); 5711da177e4SLinus Torvalds return status; 5721da177e4SLinus Torvalds } 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds static int 5751da177e4SLinus Torvalds nfs3_proc_rmdir(struct inode *dir, struct qstr *name) 5761da177e4SLinus Torvalds { 5771da177e4SLinus Torvalds struct nfs_fattr dir_attr; 5781da177e4SLinus Torvalds struct nfs3_diropargs arg = { 5791da177e4SLinus Torvalds .fh = NFS_FH(dir), 5801da177e4SLinus Torvalds .name = name->name, 5811da177e4SLinus Torvalds .len = name->len 5821da177e4SLinus Torvalds }; 583dead28daSChuck Lever struct rpc_message msg = { 584dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], 585dead28daSChuck Lever .rpc_argp = &arg, 586dead28daSChuck Lever .rpc_resp = &dir_attr, 587dead28daSChuck Lever }; 5881da177e4SLinus Torvalds int status; 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvalds dprintk("NFS call rmdir %s\n", name->name); 5910e574af1STrond Myklebust nfs_fattr_init(&dir_attr); 592dead28daSChuck Lever status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 593decf491fSTrond Myklebust nfs_post_op_update_inode(dir, &dir_attr); 5941da177e4SLinus Torvalds dprintk("NFS reply rmdir: %d\n", status); 5951da177e4SLinus Torvalds return status; 5961da177e4SLinus Torvalds } 5971da177e4SLinus Torvalds 5981da177e4SLinus Torvalds /* 5991da177e4SLinus Torvalds * The READDIR implementation is somewhat hackish - we pass the user buffer 6001da177e4SLinus Torvalds * to the encode function, which installs it in the receive iovec. 6011da177e4SLinus Torvalds * The decode function itself doesn't perform any decoding, it just makes 6021da177e4SLinus Torvalds * sure the reply is syntactically correct. 6031da177e4SLinus Torvalds * 6041da177e4SLinus Torvalds * Also note that this implementation handles both plain readdir and 6051da177e4SLinus Torvalds * readdirplus. 6061da177e4SLinus Torvalds */ 6071da177e4SLinus Torvalds static int 6081da177e4SLinus Torvalds nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, 6091da177e4SLinus Torvalds u64 cookie, struct page *page, unsigned int count, int plus) 6101da177e4SLinus Torvalds { 6111da177e4SLinus Torvalds struct inode *dir = dentry->d_inode; 612bc4785cdSAl Viro __be32 *verf = NFS_COOKIEVERF(dir); 6131da177e4SLinus Torvalds struct nfs3_readdirargs arg = { 6141da177e4SLinus Torvalds .fh = NFS_FH(dir), 6151da177e4SLinus Torvalds .cookie = cookie, 6161da177e4SLinus Torvalds .verf = {verf[0], verf[1]}, 6171da177e4SLinus Torvalds .plus = plus, 6181da177e4SLinus Torvalds .count = count, 6191da177e4SLinus Torvalds .pages = &page 6201da177e4SLinus Torvalds }; 6211da177e4SLinus Torvalds struct nfs3_readdirres res = { 6221da177e4SLinus Torvalds .verf = verf, 6231da177e4SLinus Torvalds .plus = plus 6241da177e4SLinus Torvalds }; 6251da177e4SLinus Torvalds struct rpc_message msg = { 6261da177e4SLinus Torvalds .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], 6271da177e4SLinus Torvalds .rpc_argp = &arg, 6281da177e4SLinus Torvalds .rpc_resp = &res, 6291da177e4SLinus Torvalds .rpc_cred = cred 6301da177e4SLinus Torvalds }; 631aa49b4cfSTrond Myklebust int status = -ENOMEM; 6321da177e4SLinus Torvalds 6331da177e4SLinus Torvalds if (plus) 6341da177e4SLinus Torvalds msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds dprintk("NFS call readdir%s %d\n", 6371da177e4SLinus Torvalds plus? "plus" : "", (unsigned int) cookie); 6381da177e4SLinus Torvalds 639aa49b4cfSTrond Myklebust res.dir_attr = nfs_alloc_fattr(); 640aa49b4cfSTrond Myklebust if (res.dir_attr == NULL) 641aa49b4cfSTrond Myklebust goto out; 642aa49b4cfSTrond Myklebust 6431da177e4SLinus Torvalds status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 644c4812998STrond Myklebust 645c4812998STrond Myklebust nfs_invalidate_atime(dir); 646aa49b4cfSTrond Myklebust nfs_refresh_inode(dir, res.dir_attr); 647c4812998STrond Myklebust 648aa49b4cfSTrond Myklebust nfs_free_fattr(res.dir_attr); 649aa49b4cfSTrond Myklebust out: 6501da177e4SLinus Torvalds dprintk("NFS reply readdir: %d\n", status); 6511da177e4SLinus Torvalds return status; 6521da177e4SLinus Torvalds } 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvalds static int 6551da177e4SLinus Torvalds nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 6561da177e4SLinus Torvalds dev_t rdev) 6571da177e4SLinus Torvalds { 6580b4aae7aSTrond Myklebust struct nfs3_createdata *data; 659055ffbeaSAndreas Gruenbacher mode_t mode = sattr->ia_mode; 6600b4aae7aSTrond Myklebust int status = -ENOMEM; 6611da177e4SLinus Torvalds 6621da177e4SLinus Torvalds dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name, 6631da177e4SLinus Torvalds MAJOR(rdev), MINOR(rdev)); 664055ffbeaSAndreas Gruenbacher 665ce3b0f8dSAl Viro sattr->ia_mode &= ~current_umask(); 666055ffbeaSAndreas Gruenbacher 6670b4aae7aSTrond Myklebust data = nfs3_alloc_createdata(); 6680b4aae7aSTrond Myklebust if (data == NULL) 669055ffbeaSAndreas Gruenbacher goto out; 6700b4aae7aSTrond Myklebust 6710b4aae7aSTrond Myklebust data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD]; 6720b4aae7aSTrond Myklebust data->arg.mknod.fh = NFS_FH(dir); 6730b4aae7aSTrond Myklebust data->arg.mknod.name = dentry->d_name.name; 6740b4aae7aSTrond Myklebust data->arg.mknod.len = dentry->d_name.len; 6750b4aae7aSTrond Myklebust data->arg.mknod.sattr = sattr; 6760b4aae7aSTrond Myklebust data->arg.mknod.rdev = rdev; 6770b4aae7aSTrond Myklebust 6780b4aae7aSTrond Myklebust switch (sattr->ia_mode & S_IFMT) { 6790b4aae7aSTrond Myklebust case S_IFBLK: 6800b4aae7aSTrond Myklebust data->arg.mknod.type = NF3BLK; 6810b4aae7aSTrond Myklebust break; 6820b4aae7aSTrond Myklebust case S_IFCHR: 6830b4aae7aSTrond Myklebust data->arg.mknod.type = NF3CHR; 6840b4aae7aSTrond Myklebust break; 6850b4aae7aSTrond Myklebust case S_IFIFO: 6860b4aae7aSTrond Myklebust data->arg.mknod.type = NF3FIFO; 6870b4aae7aSTrond Myklebust break; 6880b4aae7aSTrond Myklebust case S_IFSOCK: 6890b4aae7aSTrond Myklebust data->arg.mknod.type = NF3SOCK; 6900b4aae7aSTrond Myklebust break; 6910b4aae7aSTrond Myklebust default: 6920b4aae7aSTrond Myklebust status = -EINVAL; 6930b4aae7aSTrond Myklebust goto out; 6940b4aae7aSTrond Myklebust } 6950b4aae7aSTrond Myklebust 6960b4aae7aSTrond Myklebust status = nfs3_do_create(dir, dentry, data); 697055ffbeaSAndreas Gruenbacher if (status != 0) 698055ffbeaSAndreas Gruenbacher goto out; 699055ffbeaSAndreas Gruenbacher status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); 700055ffbeaSAndreas Gruenbacher out: 7010b4aae7aSTrond Myklebust nfs3_free_createdata(data); 7021da177e4SLinus Torvalds dprintk("NFS reply mknod: %d\n", status); 7031da177e4SLinus Torvalds return status; 7041da177e4SLinus Torvalds } 7051da177e4SLinus Torvalds 7061da177e4SLinus Torvalds static int 7071da177e4SLinus Torvalds nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, 7081da177e4SLinus Torvalds struct nfs_fsstat *stat) 7091da177e4SLinus Torvalds { 710dead28daSChuck Lever struct rpc_message msg = { 711dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], 712dead28daSChuck Lever .rpc_argp = fhandle, 713dead28daSChuck Lever .rpc_resp = stat, 714dead28daSChuck Lever }; 7151da177e4SLinus Torvalds int status; 7161da177e4SLinus Torvalds 7171da177e4SLinus Torvalds dprintk("NFS call fsstat\n"); 7180e574af1STrond Myklebust nfs_fattr_init(stat->fattr); 719dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7201da177e4SLinus Torvalds dprintk("NFS reply statfs: %d\n", status); 7211da177e4SLinus Torvalds return status; 7221da177e4SLinus Torvalds } 7231da177e4SLinus Torvalds 7241da177e4SLinus Torvalds static int 72537ca8f5cSEG Keizer do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle, 7261da177e4SLinus Torvalds struct nfs_fsinfo *info) 7271da177e4SLinus Torvalds { 728dead28daSChuck Lever struct rpc_message msg = { 729dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], 730dead28daSChuck Lever .rpc_argp = fhandle, 731dead28daSChuck Lever .rpc_resp = info, 732dead28daSChuck Lever }; 7331da177e4SLinus Torvalds int status; 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds dprintk("NFS call fsinfo\n"); 7360e574af1STrond Myklebust nfs_fattr_init(info->fattr); 73737ca8f5cSEG Keizer status = rpc_call_sync(client, &msg, 0); 7381da177e4SLinus Torvalds dprintk("NFS reply fsinfo: %d\n", status); 7391da177e4SLinus Torvalds return status; 7401da177e4SLinus Torvalds } 7411da177e4SLinus Torvalds 74237ca8f5cSEG Keizer /* 74337ca8f5cSEG Keizer * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via 74437ca8f5cSEG Keizer * nfs_create_server 74537ca8f5cSEG Keizer */ 74637ca8f5cSEG Keizer static int 74737ca8f5cSEG Keizer nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, 74837ca8f5cSEG Keizer struct nfs_fsinfo *info) 74937ca8f5cSEG Keizer { 75037ca8f5cSEG Keizer int status; 75137ca8f5cSEG Keizer 75237ca8f5cSEG Keizer status = do_proc_fsinfo(server->client, fhandle, info); 75337ca8f5cSEG Keizer if (status && server->nfs_client->cl_rpcclient != server->client) 75437ca8f5cSEG Keizer status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info); 75537ca8f5cSEG Keizer return status; 75637ca8f5cSEG Keizer } 75737ca8f5cSEG Keizer 7581da177e4SLinus Torvalds static int 7591da177e4SLinus Torvalds nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, 7601da177e4SLinus Torvalds struct nfs_pathconf *info) 7611da177e4SLinus Torvalds { 762dead28daSChuck Lever struct rpc_message msg = { 763dead28daSChuck Lever .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], 764dead28daSChuck Lever .rpc_argp = fhandle, 765dead28daSChuck Lever .rpc_resp = info, 766dead28daSChuck Lever }; 7671da177e4SLinus Torvalds int status; 7681da177e4SLinus Torvalds 7691da177e4SLinus Torvalds dprintk("NFS call pathconf\n"); 7700e574af1STrond Myklebust nfs_fattr_init(info->fattr); 771dead28daSChuck Lever status = rpc_call_sync(server->client, &msg, 0); 7721da177e4SLinus Torvalds dprintk("NFS reply pathconf: %d\n", status); 7731da177e4SLinus Torvalds return status; 7741da177e4SLinus Torvalds } 7751da177e4SLinus Torvalds 776ec06c096STrond Myklebust static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) 7771da177e4SLinus Torvalds { 778006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 779ec06c096STrond Myklebust return -EAGAIN; 7808850df99STrond Myklebust 7818850df99STrond Myklebust nfs_invalidate_atime(data->inode); 7821da177e4SLinus Torvalds nfs_refresh_inode(data->inode, &data->fattr); 783ec06c096STrond Myklebust return 0; 7841da177e4SLinus Torvalds } 7851da177e4SLinus Torvalds 786bdc7f021STrond Myklebust static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) 7871da177e4SLinus Torvalds { 788bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; 7891da177e4SLinus Torvalds } 7901da177e4SLinus Torvalds 791788e7a89STrond Myklebust static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) 7921da177e4SLinus Torvalds { 793006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 794788e7a89STrond Myklebust return -EAGAIN; 7951da177e4SLinus Torvalds if (task->tk_status >= 0) 79670ca8852STrond Myklebust nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr); 797788e7a89STrond Myklebust return 0; 7981da177e4SLinus Torvalds } 7991da177e4SLinus Torvalds 800bdc7f021STrond Myklebust static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) 8011da177e4SLinus Torvalds { 802bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; 8031da177e4SLinus Torvalds } 8041da177e4SLinus Torvalds 805788e7a89STrond Myklebust static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data) 8061da177e4SLinus Torvalds { 807006ea73eSChuck Lever if (nfs3_async_handle_jukebox(task, data->inode)) 808788e7a89STrond Myklebust return -EAGAIN; 8099e08a3c5STrond Myklebust nfs_refresh_inode(data->inode, data->res.fattr); 810788e7a89STrond Myklebust return 0; 8111da177e4SLinus Torvalds } 8121da177e4SLinus Torvalds 813bdc7f021STrond Myklebust static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg) 8141da177e4SLinus Torvalds { 815bdc7f021STrond Myklebust msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; 8161da177e4SLinus Torvalds } 8171da177e4SLinus Torvalds 8181da177e4SLinus Torvalds static int 8191da177e4SLinus Torvalds nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) 8201da177e4SLinus Torvalds { 8211093a60eSChuck Lever struct inode *inode = filp->f_path.dentry->d_inode; 8221093a60eSChuck Lever 8231093a60eSChuck Lever return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); 8241da177e4SLinus Torvalds } 8251da177e4SLinus Torvalds 826509de811SDavid Howells const struct nfs_rpc_ops nfs_v3_clientops = { 8271da177e4SLinus Torvalds .version = 3, /* protocol version */ 8281da177e4SLinus Torvalds .dentry_ops = &nfs_dentry_operations, 829b7fa0554SAndreas Gruenbacher .dir_inode_ops = &nfs3_dir_inode_operations, 830b7fa0554SAndreas Gruenbacher .file_inode_ops = &nfs3_file_inode_operations, 8311da177e4SLinus Torvalds .getroot = nfs3_proc_get_root, 8321da177e4SLinus Torvalds .getattr = nfs3_proc_getattr, 8331da177e4SLinus Torvalds .setattr = nfs3_proc_setattr, 8341da177e4SLinus Torvalds .lookup = nfs3_proc_lookup, 8351da177e4SLinus Torvalds .access = nfs3_proc_access, 8361da177e4SLinus Torvalds .readlink = nfs3_proc_readlink, 8371da177e4SLinus Torvalds .create = nfs3_proc_create, 8381da177e4SLinus Torvalds .remove = nfs3_proc_remove, 8391da177e4SLinus Torvalds .unlink_setup = nfs3_proc_unlink_setup, 8401da177e4SLinus Torvalds .unlink_done = nfs3_proc_unlink_done, 8411da177e4SLinus Torvalds .rename = nfs3_proc_rename, 8421da177e4SLinus Torvalds .link = nfs3_proc_link, 8431da177e4SLinus Torvalds .symlink = nfs3_proc_symlink, 8441da177e4SLinus Torvalds .mkdir = nfs3_proc_mkdir, 8451da177e4SLinus Torvalds .rmdir = nfs3_proc_rmdir, 8461da177e4SLinus Torvalds .readdir = nfs3_proc_readdir, 8471da177e4SLinus Torvalds .mknod = nfs3_proc_mknod, 8481da177e4SLinus Torvalds .statfs = nfs3_proc_statfs, 8491da177e4SLinus Torvalds .fsinfo = nfs3_proc_fsinfo, 8501da177e4SLinus Torvalds .pathconf = nfs3_proc_pathconf, 8511da177e4SLinus Torvalds .decode_dirent = nfs3_decode_dirent, 8521da177e4SLinus Torvalds .read_setup = nfs3_proc_read_setup, 853ec06c096STrond Myklebust .read_done = nfs3_read_done, 8541da177e4SLinus Torvalds .write_setup = nfs3_proc_write_setup, 855788e7a89STrond Myklebust .write_done = nfs3_write_done, 8561da177e4SLinus Torvalds .commit_setup = nfs3_proc_commit_setup, 857788e7a89STrond Myklebust .commit_done = nfs3_commit_done, 8581da177e4SLinus Torvalds .lock = nfs3_proc_lock, 8595c6a9f7dSAndreas Gruenbacher .clear_acl_cache = nfs3_forget_cached_acls, 8607fe5c398STrond Myklebust .close_context = nfs_close_context, 8611da177e4SLinus Torvalds }; 862