Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/fs/nfs/nfs3proc.c |
| 3 | * |
| 4 | * Client-side NFSv3 procedures stubs. |
| 5 | * |
| 6 | * Copyright (C) 1997, Olaf Kirch |
| 7 | */ |
| 8 | |
| 9 | #include <linux/mm.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #include <linux/errno.h> |
| 11 | #include <linux/string.h> |
| 12 | #include <linux/sunrpc/clnt.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 13 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include <linux/nfs.h> |
| 15 | #include <linux/nfs3.h> |
| 16 | #include <linux/nfs_fs.h> |
| 17 | #include <linux/nfs_page.h> |
| 18 | #include <linux/lockd/bind.h> |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 19 | #include <linux/nfs_mount.h> |
Jeff Layton | d310310 | 2011-12-01 22:44:39 +0100 | [diff] [blame] | 20 | #include <linux/freezer.h> |
Tejun Heo | 0a6be65 | 2014-02-03 14:31:07 -0500 | [diff] [blame^] | 21 | #include <linux/xattr.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 23 | #include "iostat.h" |
David Howells | f7b422b | 2006-06-09 09:34:33 -0400 | [diff] [blame] | 24 | #include "internal.h" |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #define NFSDBG_FACILITY NFSDBG_PROC |
| 27 | |
Andy Adamson | eb96d5c | 2012-11-27 10:34:19 -0500 | [diff] [blame] | 28 | /* A wrapper to handle the EJUKEBOX error messages */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | static int |
| 30 | nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) |
| 31 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | int res; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | do { |
| 34 | res = rpc_call_sync(clnt, msg, flags); |
Andy Adamson | eb96d5c | 2012-11-27 10:34:19 -0500 | [diff] [blame] | 35 | if (res != -EJUKEBOX) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | break; |
Colin Cross | 416ad3c | 2013-05-06 23:50:06 +0000 | [diff] [blame] | 37 | freezable_schedule_timeout_killable_unsafe(NFS_JUKEBOX_RETRY_TIME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | res = -ERESTARTSYS; |
Matthew Wilcox | 150030b | 2007-12-06 16:24:39 -0500 | [diff] [blame] | 39 | } while (!fatal_signal_pending(current)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | return res; |
| 41 | } |
| 42 | |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 43 | #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | static int |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 46 | nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | { |
Andy Adamson | eb96d5c | 2012-11-27 10:34:19 -0500 | [diff] [blame] | 48 | if (task->tk_status != -EJUKEBOX) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | return 0; |
Jeff Layton | b68d69b | 2010-01-07 09:42:04 -0500 | [diff] [blame] | 50 | if (task->tk_status == -EJUKEBOX) |
| 51 | nfs_inc_stats(inode, NFSIOS_DELAY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | task->tk_status = 0; |
| 53 | rpc_restart_call(task); |
| 54 | rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); |
| 55 | return 1; |
| 56 | } |
| 57 | |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 58 | static int |
| 59 | do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, |
| 60 | struct nfs_fsinfo *info) |
| 61 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 62 | struct rpc_message msg = { |
| 63 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], |
| 64 | .rpc_argp = fhandle, |
| 65 | .rpc_resp = info, |
| 66 | }; |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 67 | int status; |
| 68 | |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 69 | dprintk("%s: call fsinfo\n", __func__); |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 70 | nfs_fattr_init(info->fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 71 | status = rpc_call_sync(client, &msg, 0); |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 72 | dprintk("%s: reply fsinfo: %d\n", __func__, status); |
Trond Myklebust | 0866004 | 2012-08-20 12:42:15 -0400 | [diff] [blame] | 73 | if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 74 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; |
| 75 | msg.rpc_resp = info->fattr; |
| 76 | status = rpc_call_sync(client, &msg, 0); |
Harvey Harrison | 3110ff8 | 2008-05-02 13:42:44 -0700 | [diff] [blame] | 77 | dprintk("%s: reply getattr: %d\n", __func__, status); |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 78 | } |
| 79 | return status; |
| 80 | } |
| 81 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | /* |
David Howells | 54ceac4 | 2006-08-22 20:06:13 -0400 | [diff] [blame] | 83 | * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | */ |
| 85 | static int |
| 86 | nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, |
| 87 | struct nfs_fsinfo *info) |
| 88 | { |
| 89 | int status; |
| 90 | |
J. Bruce Fields | 03c2173 | 2006-01-03 09:55:48 +0100 | [diff] [blame] | 91 | status = do_proc_get_root(server->client, fhandle, info); |
David Howells | 5006a76 | 2006-08-22 20:06:12 -0400 | [diff] [blame] | 92 | if (status && server->nfs_client->cl_rpcclient != server->client) |
| 93 | status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | return status; |
| 95 | } |
| 96 | |
| 97 | /* |
| 98 | * One function for each procedure in the NFS protocol. |
| 99 | */ |
| 100 | static int |
| 101 | nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, |
David Quigley | 1775fd3 | 2013-05-22 12:50:42 -0400 | [diff] [blame] | 102 | struct nfs_fattr *fattr, struct nfs4_label *label) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 104 | struct rpc_message msg = { |
| 105 | .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], |
| 106 | .rpc_argp = fhandle, |
| 107 | .rpc_resp = fattr, |
| 108 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | int status; |
| 110 | |
| 111 | dprintk("NFS call getattr\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 112 | nfs_fattr_init(fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 113 | status = rpc_call_sync(server->client, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | dprintk("NFS reply getattr: %d\n", status); |
| 115 | return status; |
| 116 | } |
| 117 | |
| 118 | static int |
| 119 | nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, |
| 120 | struct iattr *sattr) |
| 121 | { |
| 122 | struct inode *inode = dentry->d_inode; |
| 123 | struct nfs3_sattrargs arg = { |
| 124 | .fh = NFS_FH(inode), |
| 125 | .sattr = sattr, |
| 126 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 127 | struct rpc_message msg = { |
| 128 | .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], |
| 129 | .rpc_argp = &arg, |
| 130 | .rpc_resp = fattr, |
| 131 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | int status; |
| 133 | |
| 134 | dprintk("NFS call setattr\n"); |
Trond Myklebust | 659bfcd | 2008-06-10 19:39:41 -0400 | [diff] [blame] | 135 | if (sattr->ia_valid & ATTR_FILE) |
| 136 | msg.rpc_cred = nfs_file_cred(sattr->ia_file); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 137 | nfs_fattr_init(fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 138 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
Trond Myklebust | 65e4308 | 2005-08-16 11:49:44 -0400 | [diff] [blame] | 139 | if (status == 0) |
| 140 | nfs_setattr_update_inode(inode, sattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | dprintk("NFS reply setattr: %d\n", status); |
| 142 | return status; |
| 143 | } |
| 144 | |
| 145 | static int |
Bryan Schumaker | 80a16b2 | 2012-04-27 13:27:46 -0400 | [diff] [blame] | 146 | nfs3_proc_lookup(struct inode *dir, struct qstr *name, |
David Quigley | 1775fd3 | 2013-05-22 12:50:42 -0400 | [diff] [blame] | 147 | struct nfs_fh *fhandle, struct nfs_fattr *fattr, |
| 148 | struct nfs4_label *label) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | struct nfs3_diropargs arg = { |
| 151 | .fh = NFS_FH(dir), |
| 152 | .name = name->name, |
| 153 | .len = name->len |
| 154 | }; |
| 155 | struct nfs3_diropres res = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | .fh = fhandle, |
| 157 | .fattr = fattr |
| 158 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 159 | struct rpc_message msg = { |
| 160 | .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], |
| 161 | .rpc_argp = &arg, |
| 162 | .rpc_resp = &res, |
| 163 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | int status; |
| 165 | |
| 166 | dprintk("NFS call lookup %s\n", name->name); |
Trond Myklebust | e1fb4d0 | 2010-04-16 16:22:47 -0400 | [diff] [blame] | 167 | res.dir_attr = nfs_alloc_fattr(); |
| 168 | if (res.dir_attr == NULL) |
| 169 | return -ENOMEM; |
| 170 | |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 171 | nfs_fattr_init(fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 172 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | e1fb4d0 | 2010-04-16 16:22:47 -0400 | [diff] [blame] | 173 | nfs_refresh_inode(dir, res.dir_attr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 174 | if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { |
| 175 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; |
| 176 | msg.rpc_argp = fhandle; |
| 177 | msg.rpc_resp = fattr; |
| 178 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
| 179 | } |
Trond Myklebust | e1fb4d0 | 2010-04-16 16:22:47 -0400 | [diff] [blame] | 180 | nfs_free_fattr(res.dir_attr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | dprintk("NFS reply lookup: %d\n", status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | return status; |
| 183 | } |
| 184 | |
| 185 | static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) |
| 186 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | struct nfs3_accessargs arg = { |
| 188 | .fh = NFS_FH(inode), |
| 189 | }; |
Trond Myklebust | c407d41 | 2010-04-16 16:22:48 -0400 | [diff] [blame] | 190 | struct nfs3_accessres res; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | struct rpc_message msg = { |
| 192 | .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], |
| 193 | .rpc_argp = &arg, |
| 194 | .rpc_resp = &res, |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 195 | .rpc_cred = entry->cred, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | }; |
| 197 | int mode = entry->mask; |
Trond Myklebust | c407d41 | 2010-04-16 16:22:48 -0400 | [diff] [blame] | 198 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
| 200 | dprintk("NFS call access\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | |
| 202 | if (mode & MAY_READ) |
| 203 | arg.access |= NFS3_ACCESS_READ; |
| 204 | if (S_ISDIR(inode->i_mode)) { |
| 205 | if (mode & MAY_WRITE) |
| 206 | arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE; |
| 207 | if (mode & MAY_EXEC) |
| 208 | arg.access |= NFS3_ACCESS_LOOKUP; |
| 209 | } else { |
| 210 | if (mode & MAY_WRITE) |
| 211 | arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND; |
| 212 | if (mode & MAY_EXEC) |
| 213 | arg.access |= NFS3_ACCESS_EXECUTE; |
| 214 | } |
Trond Myklebust | c407d41 | 2010-04-16 16:22:48 -0400 | [diff] [blame] | 215 | |
| 216 | res.fattr = nfs_alloc_fattr(); |
| 217 | if (res.fattr == NULL) |
| 218 | goto out; |
| 219 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
Trond Myklebust | c407d41 | 2010-04-16 16:22:48 -0400 | [diff] [blame] | 221 | nfs_refresh_inode(inode, res.fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | if (status == 0) { |
| 223 | entry->mask = 0; |
| 224 | if (res.access & NFS3_ACCESS_READ) |
| 225 | entry->mask |= MAY_READ; |
| 226 | if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE)) |
| 227 | entry->mask |= MAY_WRITE; |
| 228 | if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE)) |
| 229 | entry->mask |= MAY_EXEC; |
| 230 | } |
Trond Myklebust | c407d41 | 2010-04-16 16:22:48 -0400 | [diff] [blame] | 231 | nfs_free_fattr(res.fattr); |
| 232 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | dprintk("NFS reply access: %d\n", status); |
| 234 | return status; |
| 235 | } |
| 236 | |
| 237 | static int nfs3_proc_readlink(struct inode *inode, struct page *page, |
| 238 | unsigned int pgbase, unsigned int pglen) |
| 239 | { |
Trond Myklebust | 3b14d65 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 240 | struct nfs_fattr *fattr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | struct nfs3_readlinkargs args = { |
| 242 | .fh = NFS_FH(inode), |
| 243 | .pgbase = pgbase, |
| 244 | .pglen = pglen, |
| 245 | .pages = &page |
| 246 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 247 | struct rpc_message msg = { |
| 248 | .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], |
| 249 | .rpc_argp = &args, |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 250 | }; |
Trond Myklebust | 3b14d65 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 251 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | |
| 253 | dprintk("NFS call readlink\n"); |
Trond Myklebust | 3b14d65 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 254 | fattr = nfs_alloc_fattr(); |
| 255 | if (fattr == NULL) |
| 256 | goto out; |
| 257 | msg.rpc_resp = fattr; |
| 258 | |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 259 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
Trond Myklebust | 3b14d65 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 260 | nfs_refresh_inode(inode, fattr); |
| 261 | nfs_free_fattr(fattr); |
| 262 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | dprintk("NFS reply readlink: %d\n", status); |
| 264 | return status; |
| 265 | } |
| 266 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 267 | struct nfs3_createdata { |
| 268 | struct rpc_message msg; |
| 269 | union { |
| 270 | struct nfs3_createargs create; |
| 271 | struct nfs3_mkdirargs mkdir; |
| 272 | struct nfs3_symlinkargs symlink; |
| 273 | struct nfs3_mknodargs mknod; |
| 274 | } arg; |
| 275 | struct nfs3_diropres res; |
| 276 | struct nfs_fh fh; |
| 277 | struct nfs_fattr fattr; |
| 278 | struct nfs_fattr dir_attr; |
| 279 | }; |
| 280 | |
| 281 | static struct nfs3_createdata *nfs3_alloc_createdata(void) |
| 282 | { |
| 283 | struct nfs3_createdata *data; |
| 284 | |
| 285 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
| 286 | if (data != NULL) { |
| 287 | data->msg.rpc_argp = &data->arg; |
| 288 | data->msg.rpc_resp = &data->res; |
| 289 | data->res.fh = &data->fh; |
| 290 | data->res.fattr = &data->fattr; |
| 291 | data->res.dir_attr = &data->dir_attr; |
| 292 | nfs_fattr_init(data->res.fattr); |
| 293 | nfs_fattr_init(data->res.dir_attr); |
| 294 | } |
| 295 | return data; |
| 296 | } |
| 297 | |
| 298 | static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data) |
| 299 | { |
| 300 | int status; |
| 301 | |
| 302 | status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0); |
| 303 | nfs_post_op_update_inode(dir, data->res.dir_attr); |
| 304 | if (status == 0) |
David Quigley | 1775fd3 | 2013-05-22 12:50:42 -0400 | [diff] [blame] | 305 | status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL); |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 306 | return status; |
| 307 | } |
| 308 | |
| 309 | static void nfs3_free_createdata(struct nfs3_createdata *data) |
| 310 | { |
| 311 | kfree(data); |
| 312 | } |
| 313 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | /* |
| 315 | * Create a regular file. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | */ |
| 317 | static int |
| 318 | nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, |
Miklos Szeredi | 8867fe5 | 2012-06-05 15:10:19 +0200 | [diff] [blame] | 319 | int flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | { |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 321 | struct posix_acl *default_acl, *acl; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 322 | struct nfs3_createdata *data; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 323 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | |
Al Viro | 6de1472 | 2013-09-16 10:53:17 -0400 | [diff] [blame] | 325 | dprintk("NFS call create %pd\n", dentry); |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 326 | |
| 327 | data = nfs3_alloc_createdata(); |
| 328 | if (data == NULL) |
| 329 | goto out; |
| 330 | |
| 331 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE]; |
| 332 | data->arg.create.fh = NFS_FH(dir); |
| 333 | data->arg.create.name = dentry->d_name.name; |
| 334 | data->arg.create.len = dentry->d_name.len; |
| 335 | data->arg.create.sattr = sattr; |
| 336 | |
| 337 | data->arg.create.createmode = NFS3_CREATE_UNCHECKED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | if (flags & O_EXCL) { |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 339 | data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE; |
Trond Myklebust | a9943d1 | 2013-08-20 21:04:11 -0400 | [diff] [blame] | 340 | data->arg.create.verifier[0] = cpu_to_be32(jiffies); |
| 341 | data->arg.create.verifier[1] = cpu_to_be32(current->pid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | } |
| 343 | |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 344 | status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); |
| 345 | if (status) |
| 346 | goto out; |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 347 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 348 | for (;;) { |
| 349 | status = nfs3_do_create(dir, dentry, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 351 | if (status != -ENOTSUPP) |
| 352 | break; |
| 353 | /* If the server doesn't support the exclusive creation |
| 354 | * semantics, try again with simple 'guarded' mode. */ |
| 355 | switch (data->arg.create.createmode) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | case NFS3_CREATE_EXCLUSIVE: |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 357 | data->arg.create.createmode = NFS3_CREATE_GUARDED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | break; |
| 359 | |
| 360 | case NFS3_CREATE_GUARDED: |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 361 | data->arg.create.createmode = NFS3_CREATE_UNCHECKED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | break; |
| 363 | |
| 364 | case NFS3_CREATE_UNCHECKED: |
| 365 | goto out; |
| 366 | } |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 367 | nfs_fattr_init(data->res.dir_attr); |
| 368 | nfs_fattr_init(data->res.fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | } |
| 370 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | if (status != 0) |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 372 | goto out_release_acls; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | |
| 374 | /* When we created the file with exclusive semantics, make |
| 375 | * sure we set the attributes afterwards. */ |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 376 | if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | dprintk("NFS call setattr (post-create)\n"); |
| 378 | |
| 379 | if (!(sattr->ia_valid & ATTR_ATIME_SET)) |
| 380 | sattr->ia_valid |= ATTR_ATIME; |
| 381 | if (!(sattr->ia_valid & ATTR_MTIME_SET)) |
| 382 | sattr->ia_valid |= ATTR_MTIME; |
| 383 | |
| 384 | /* Note: we could use a guarded setattr here, but I'm |
| 385 | * not sure this buys us anything (and I'd have |
| 386 | * to revamp the NFSv3 XDR code) */ |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 387 | status = nfs3_proc_setattr(dentry, data->res.fattr, sattr); |
| 388 | nfs_post_op_update_inode(dentry->d_inode, data->res.fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | dprintk("NFS reply setattr (post-create): %d\n", status); |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 390 | if (status != 0) |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 391 | goto out_release_acls; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | } |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 393 | |
| 394 | status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); |
| 395 | |
| 396 | out_release_acls: |
| 397 | posix_acl_release(acl); |
| 398 | posix_acl_release(default_acl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | out: |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 400 | nfs3_free_createdata(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | dprintk("NFS reply create: %d\n", status); |
| 402 | return status; |
| 403 | } |
| 404 | |
| 405 | static int |
| 406 | nfs3_proc_remove(struct inode *dir, struct qstr *name) |
| 407 | { |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 408 | struct nfs_removeargs arg = { |
| 409 | .fh = NFS_FH(dir), |
Linus Torvalds | 26fe575 | 2012-05-10 13:14:12 -0700 | [diff] [blame] | 410 | .name = *name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | }; |
Trond Myklebust | 4fdc17b | 2007-07-14 15:39:57 -0400 | [diff] [blame] | 412 | struct nfs_removeres res; |
| 413 | struct rpc_message msg = { |
| 414 | .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], |
| 415 | .rpc_argp = &arg, |
| 416 | .rpc_resp = &res, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | }; |
Trond Myklebust | d346890 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 418 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | |
| 420 | dprintk("NFS call remove %s\n", name->name); |
Trond Myklebust | d346890 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 421 | res.dir_attr = nfs_alloc_fattr(); |
| 422 | if (res.dir_attr == NULL) |
| 423 | goto out; |
| 424 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | d346890 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 426 | nfs_post_op_update_inode(dir, res.dir_attr); |
| 427 | nfs_free_fattr(res.dir_attr); |
| 428 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | dprintk("NFS reply remove: %d\n", status); |
| 430 | return status; |
| 431 | } |
| 432 | |
Trond Myklebust | e4eff1a | 2007-07-14 15:39:58 -0400 | [diff] [blame] | 433 | static void |
| 434 | nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | } |
| 438 | |
Bryan Schumaker | 34e137c | 2012-03-19 14:54:41 -0400 | [diff] [blame] | 439 | static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) |
| 440 | { |
| 441 | rpc_call_start(task); |
| 442 | } |
| 443 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | static int |
Trond Myklebust | e4eff1a | 2007-07-14 15:39:58 -0400 | [diff] [blame] | 445 | nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | { |
Trond Myklebust | e4eff1a | 2007-07-14 15:39:58 -0400 | [diff] [blame] | 447 | struct nfs_removeres *res; |
| 448 | if (nfs3_async_handle_jukebox(task, dir)) |
| 449 | return 0; |
| 450 | res = task->tk_msg.rpc_resp; |
Trond Myklebust | d346890 | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 451 | nfs_post_op_update_inode(dir, res->dir_attr); |
Trond Myklebust | e4eff1a | 2007-07-14 15:39:58 -0400 | [diff] [blame] | 452 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | } |
| 454 | |
Jeff Layton | d3d4152 | 2010-09-17 17:31:57 -0400 | [diff] [blame] | 455 | static void |
| 456 | nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir) |
| 457 | { |
| 458 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME]; |
| 459 | } |
| 460 | |
Bryan Schumaker | c6bfa1a | 2012-03-19 14:54:42 -0400 | [diff] [blame] | 461 | static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) |
| 462 | { |
| 463 | rpc_call_start(task); |
| 464 | } |
| 465 | |
Jeff Layton | d3d4152 | 2010-09-17 17:31:57 -0400 | [diff] [blame] | 466 | static int |
| 467 | nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir, |
| 468 | struct inode *new_dir) |
| 469 | { |
| 470 | struct nfs_renameres *res; |
| 471 | |
| 472 | if (nfs3_async_handle_jukebox(task, old_dir)) |
| 473 | return 0; |
| 474 | res = task->tk_msg.rpc_resp; |
| 475 | |
| 476 | nfs_post_op_update_inode(old_dir, res->old_fattr); |
| 477 | nfs_post_op_update_inode(new_dir, res->new_fattr); |
| 478 | return 1; |
| 479 | } |
| 480 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | static int |
| 482 | nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, |
| 483 | struct inode *new_dir, struct qstr *new_name) |
| 484 | { |
Jeff Layton | 920769f | 2010-09-17 17:30:25 -0400 | [diff] [blame] | 485 | struct nfs_renameargs arg = { |
| 486 | .old_dir = NFS_FH(old_dir), |
| 487 | .old_name = old_name, |
| 488 | .new_dir = NFS_FH(new_dir), |
| 489 | .new_name = new_name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | }; |
Jeff Layton | e8582a8 | 2010-09-17 17:31:06 -0400 | [diff] [blame] | 491 | struct nfs_renameres res; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 492 | struct rpc_message msg = { |
| 493 | .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME], |
| 494 | .rpc_argp = &arg, |
| 495 | .rpc_resp = &res, |
| 496 | }; |
Trond Myklebust | 011fff7 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 497 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | |
| 499 | dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name); |
Trond Myklebust | 011fff7 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 500 | |
Jeff Layton | e8582a8 | 2010-09-17 17:31:06 -0400 | [diff] [blame] | 501 | res.old_fattr = nfs_alloc_fattr(); |
| 502 | res.new_fattr = nfs_alloc_fattr(); |
| 503 | if (res.old_fattr == NULL || res.new_fattr == NULL) |
Trond Myklebust | 011fff7 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 504 | goto out; |
| 505 | |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 506 | status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); |
Jeff Layton | e8582a8 | 2010-09-17 17:31:06 -0400 | [diff] [blame] | 507 | nfs_post_op_update_inode(old_dir, res.old_fattr); |
| 508 | nfs_post_op_update_inode(new_dir, res.new_fattr); |
Trond Myklebust | 011fff7 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 509 | out: |
Jeff Layton | e8582a8 | 2010-09-17 17:31:06 -0400 | [diff] [blame] | 510 | nfs_free_fattr(res.old_fattr); |
| 511 | nfs_free_fattr(res.new_fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | dprintk("NFS reply rename: %d\n", status); |
| 513 | return status; |
| 514 | } |
| 515 | |
| 516 | static int |
| 517 | nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name) |
| 518 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | struct nfs3_linkargs arg = { |
| 520 | .fromfh = NFS_FH(inode), |
| 521 | .tofh = NFS_FH(dir), |
| 522 | .toname = name->name, |
| 523 | .tolen = name->len |
| 524 | }; |
Trond Myklebust | 136f262 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 525 | struct nfs3_linkres res; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 526 | struct rpc_message msg = { |
| 527 | .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], |
| 528 | .rpc_argp = &arg, |
| 529 | .rpc_resp = &res, |
| 530 | }; |
Trond Myklebust | 136f262 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 531 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | |
| 533 | dprintk("NFS call link %s\n", name->name); |
Trond Myklebust | 136f262 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 534 | res.fattr = nfs_alloc_fattr(); |
| 535 | res.dir_attr = nfs_alloc_fattr(); |
| 536 | if (res.fattr == NULL || res.dir_attr == NULL) |
| 537 | goto out; |
| 538 | |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 539 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
Trond Myklebust | 136f262 | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 540 | nfs_post_op_update_inode(dir, res.dir_attr); |
| 541 | nfs_post_op_update_inode(inode, res.fattr); |
| 542 | out: |
| 543 | nfs_free_fattr(res.dir_attr); |
| 544 | nfs_free_fattr(res.fattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | dprintk("NFS reply link: %d\n", status); |
| 546 | return status; |
| 547 | } |
| 548 | |
| 549 | static int |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 550 | nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, |
| 551 | unsigned int len, struct iattr *sattr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | { |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 553 | struct nfs3_createdata *data; |
| 554 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 556 | if (len > NFS3_MAXPATHLEN) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | return -ENAMETOOLONG; |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 558 | |
Al Viro | 6de1472 | 2013-09-16 10:53:17 -0400 | [diff] [blame] | 559 | dprintk("NFS call symlink %pd\n", dentry); |
Chuck Lever | 94a6d75 | 2006-08-22 20:06:23 -0400 | [diff] [blame] | 560 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 561 | data = nfs3_alloc_createdata(); |
| 562 | if (data == NULL) |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 563 | goto out; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 564 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK]; |
| 565 | data->arg.symlink.fromfh = NFS_FH(dir); |
| 566 | data->arg.symlink.fromname = dentry->d_name.name; |
| 567 | data->arg.symlink.fromlen = dentry->d_name.len; |
| 568 | data->arg.symlink.pages = &page; |
| 569 | data->arg.symlink.pathlen = len; |
| 570 | data->arg.symlink.sattr = sattr; |
| 571 | |
| 572 | status = nfs3_do_create(dir, dentry, data); |
| 573 | |
| 574 | nfs3_free_createdata(data); |
Chuck Lever | 4f390c1 | 2006-08-22 20:06:22 -0400 | [diff] [blame] | 575 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | dprintk("NFS reply symlink: %d\n", status); |
| 577 | return status; |
| 578 | } |
| 579 | |
| 580 | static int |
| 581 | nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) |
| 582 | { |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 583 | struct posix_acl *default_acl, *acl; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 584 | struct nfs3_createdata *data; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 585 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | |
Al Viro | 6de1472 | 2013-09-16 10:53:17 -0400 | [diff] [blame] | 587 | dprintk("NFS call mkdir %pd\n", dentry); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 588 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 589 | data = nfs3_alloc_createdata(); |
| 590 | if (data == NULL) |
| 591 | goto out; |
| 592 | |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 593 | status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); |
| 594 | if (status) |
| 595 | goto out; |
| 596 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 597 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR]; |
| 598 | data->arg.mkdir.fh = NFS_FH(dir); |
| 599 | data->arg.mkdir.name = dentry->d_name.name; |
| 600 | data->arg.mkdir.len = dentry->d_name.len; |
| 601 | data->arg.mkdir.sattr = sattr; |
| 602 | |
| 603 | status = nfs3_do_create(dir, dentry, data); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 604 | if (status != 0) |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 605 | goto out_release_acls; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 606 | |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 607 | status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); |
| 608 | |
| 609 | out_release_acls: |
| 610 | posix_acl_release(acl); |
| 611 | posix_acl_release(default_acl); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 612 | out: |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 613 | nfs3_free_createdata(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | dprintk("NFS reply mkdir: %d\n", status); |
| 615 | return status; |
| 616 | } |
| 617 | |
| 618 | static int |
| 619 | nfs3_proc_rmdir(struct inode *dir, struct qstr *name) |
| 620 | { |
Trond Myklebust | 39967dd | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 621 | struct nfs_fattr *dir_attr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | struct nfs3_diropargs arg = { |
| 623 | .fh = NFS_FH(dir), |
| 624 | .name = name->name, |
| 625 | .len = name->len |
| 626 | }; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 627 | struct rpc_message msg = { |
| 628 | .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], |
| 629 | .rpc_argp = &arg, |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 630 | }; |
Trond Myklebust | 39967dd | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 631 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | |
| 633 | dprintk("NFS call rmdir %s\n", name->name); |
Trond Myklebust | 39967dd | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 634 | dir_attr = nfs_alloc_fattr(); |
| 635 | if (dir_attr == NULL) |
| 636 | goto out; |
| 637 | |
| 638 | msg.rpc_resp = dir_attr; |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 639 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | 39967dd | 2010-04-16 16:22:50 -0400 | [diff] [blame] | 640 | nfs_post_op_update_inode(dir, dir_attr); |
| 641 | nfs_free_fattr(dir_attr); |
| 642 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | dprintk("NFS reply rmdir: %d\n", status); |
| 644 | return status; |
| 645 | } |
| 646 | |
| 647 | /* |
| 648 | * The READDIR implementation is somewhat hackish - we pass the user buffer |
| 649 | * to the encode function, which installs it in the receive iovec. |
| 650 | * The decode function itself doesn't perform any decoding, it just makes |
| 651 | * sure the reply is syntactically correct. |
| 652 | * |
| 653 | * Also note that this implementation handles both plain readdir and |
| 654 | * readdirplus. |
| 655 | */ |
| 656 | static int |
| 657 | nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, |
Bryan Schumaker | 56e4ebf | 2010-10-20 15:44:37 -0400 | [diff] [blame] | 658 | u64 cookie, struct page **pages, unsigned int count, int plus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | { |
| 660 | struct inode *dir = dentry->d_inode; |
Trond Myklebust | c3f52af | 2012-09-03 14:56:02 -0400 | [diff] [blame] | 661 | __be32 *verf = NFS_I(dir)->cookieverf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | struct nfs3_readdirargs arg = { |
| 663 | .fh = NFS_FH(dir), |
| 664 | .cookie = cookie, |
| 665 | .verf = {verf[0], verf[1]}, |
| 666 | .plus = plus, |
| 667 | .count = count, |
Bryan Schumaker | 56e4ebf | 2010-10-20 15:44:37 -0400 | [diff] [blame] | 668 | .pages = pages |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | }; |
| 670 | struct nfs3_readdirres res = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | .verf = verf, |
| 672 | .plus = plus |
| 673 | }; |
| 674 | struct rpc_message msg = { |
| 675 | .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], |
| 676 | .rpc_argp = &arg, |
| 677 | .rpc_resp = &res, |
| 678 | .rpc_cred = cred |
| 679 | }; |
Trond Myklebust | aa49b4c | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 680 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | if (plus) |
| 683 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; |
| 684 | |
| 685 | dprintk("NFS call readdir%s %d\n", |
| 686 | plus? "plus" : "", (unsigned int) cookie); |
| 687 | |
Trond Myklebust | aa49b4c | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 688 | res.dir_attr = nfs_alloc_fattr(); |
| 689 | if (res.dir_attr == NULL) |
| 690 | goto out; |
| 691 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
Trond Myklebust | c481299 | 2007-09-28 17:11:45 -0400 | [diff] [blame] | 693 | |
| 694 | nfs_invalidate_atime(dir); |
Trond Myklebust | aa49b4c | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 695 | nfs_refresh_inode(dir, res.dir_attr); |
Trond Myklebust | c481299 | 2007-09-28 17:11:45 -0400 | [diff] [blame] | 696 | |
Trond Myklebust | aa49b4c | 2010-04-16 16:22:49 -0400 | [diff] [blame] | 697 | nfs_free_fattr(res.dir_attr); |
| 698 | out: |
Chuck Lever | d141d97 | 2010-09-21 16:55:47 -0400 | [diff] [blame] | 699 | dprintk("NFS reply readdir%s: %d\n", |
| 700 | plus? "plus" : "", status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | return status; |
| 702 | } |
| 703 | |
| 704 | static int |
| 705 | nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, |
| 706 | dev_t rdev) |
| 707 | { |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 708 | struct posix_acl *default_acl, *acl; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 709 | struct nfs3_createdata *data; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 710 | int status = -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | |
Al Viro | 6de1472 | 2013-09-16 10:53:17 -0400 | [diff] [blame] | 712 | dprintk("NFS call mknod %pd %u:%u\n", dentry, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | MAJOR(rdev), MINOR(rdev)); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 714 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 715 | data = nfs3_alloc_createdata(); |
| 716 | if (data == NULL) |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 717 | goto out; |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 718 | |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 719 | status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); |
| 720 | if (status) |
| 721 | goto out; |
| 722 | |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 723 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD]; |
| 724 | data->arg.mknod.fh = NFS_FH(dir); |
| 725 | data->arg.mknod.name = dentry->d_name.name; |
| 726 | data->arg.mknod.len = dentry->d_name.len; |
| 727 | data->arg.mknod.sattr = sattr; |
| 728 | data->arg.mknod.rdev = rdev; |
| 729 | |
| 730 | switch (sattr->ia_mode & S_IFMT) { |
| 731 | case S_IFBLK: |
| 732 | data->arg.mknod.type = NF3BLK; |
| 733 | break; |
| 734 | case S_IFCHR: |
| 735 | data->arg.mknod.type = NF3CHR; |
| 736 | break; |
| 737 | case S_IFIFO: |
| 738 | data->arg.mknod.type = NF3FIFO; |
| 739 | break; |
| 740 | case S_IFSOCK: |
| 741 | data->arg.mknod.type = NF3SOCK; |
| 742 | break; |
| 743 | default: |
| 744 | status = -EINVAL; |
| 745 | goto out; |
| 746 | } |
| 747 | |
| 748 | status = nfs3_do_create(dir, dentry, data); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 749 | if (status != 0) |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 750 | goto out_release_acls; |
| 751 | |
| 752 | status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); |
| 753 | |
| 754 | out_release_acls: |
| 755 | posix_acl_release(acl); |
| 756 | posix_acl_release(default_acl); |
Andreas Gruenbacher | 055ffbe | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 757 | out: |
Trond Myklebust | 0b4aae7 | 2008-06-20 17:00:23 -0400 | [diff] [blame] | 758 | nfs3_free_createdata(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | dprintk("NFS reply mknod: %d\n", status); |
| 760 | return status; |
| 761 | } |
| 762 | |
| 763 | static int |
| 764 | nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, |
| 765 | struct nfs_fsstat *stat) |
| 766 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 767 | struct rpc_message msg = { |
| 768 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], |
| 769 | .rpc_argp = fhandle, |
| 770 | .rpc_resp = stat, |
| 771 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | int status; |
| 773 | |
| 774 | dprintk("NFS call fsstat\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 775 | nfs_fattr_init(stat->fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 776 | status = rpc_call_sync(server->client, &msg, 0); |
Chuck Lever | d141d97 | 2010-09-21 16:55:47 -0400 | [diff] [blame] | 777 | dprintk("NFS reply fsstat: %d\n", status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 778 | return status; |
| 779 | } |
| 780 | |
| 781 | static int |
EG Keizer | 37ca8f5 | 2008-08-19 16:34:36 -0400 | [diff] [blame] | 782 | do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | struct nfs_fsinfo *info) |
| 784 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 785 | struct rpc_message msg = { |
| 786 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], |
| 787 | .rpc_argp = fhandle, |
| 788 | .rpc_resp = info, |
| 789 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 790 | int status; |
| 791 | |
| 792 | dprintk("NFS call fsinfo\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 793 | nfs_fattr_init(info->fattr); |
EG Keizer | 37ca8f5 | 2008-08-19 16:34:36 -0400 | [diff] [blame] | 794 | status = rpc_call_sync(client, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | dprintk("NFS reply fsinfo: %d\n", status); |
| 796 | return status; |
| 797 | } |
| 798 | |
EG Keizer | 37ca8f5 | 2008-08-19 16:34:36 -0400 | [diff] [blame] | 799 | /* |
| 800 | * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via |
| 801 | * nfs_create_server |
| 802 | */ |
| 803 | static int |
| 804 | nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, |
| 805 | struct nfs_fsinfo *info) |
| 806 | { |
| 807 | int status; |
| 808 | |
| 809 | status = do_proc_fsinfo(server->client, fhandle, info); |
| 810 | if (status && server->nfs_client->cl_rpcclient != server->client) |
| 811 | status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info); |
| 812 | return status; |
| 813 | } |
| 814 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | static int |
| 816 | nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, |
| 817 | struct nfs_pathconf *info) |
| 818 | { |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 819 | struct rpc_message msg = { |
| 820 | .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], |
| 821 | .rpc_argp = fhandle, |
| 822 | .rpc_resp = info, |
| 823 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | int status; |
| 825 | |
| 826 | dprintk("NFS call pathconf\n"); |
Trond Myklebust | 0e574af | 2005-10-27 22:12:38 -0400 | [diff] [blame] | 827 | nfs_fattr_init(info->fattr); |
Chuck Lever | dead28d | 2006-03-20 13:44:23 -0500 | [diff] [blame] | 828 | status = rpc_call_sync(server->client, &msg, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | dprintk("NFS reply pathconf: %d\n", status); |
| 830 | return status; |
| 831 | } |
| 832 | |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 833 | static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | { |
Fred Isaman | cd84160 | 2012-04-20 14:47:44 -0400 | [diff] [blame] | 835 | struct inode *inode = data->header->inode; |
| 836 | |
| 837 | if (nfs3_async_handle_jukebox(task, inode)) |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 838 | return -EAGAIN; |
Trond Myklebust | 8850df9 | 2007-09-28 17:20:07 -0400 | [diff] [blame] | 839 | |
Fred Isaman | cd84160 | 2012-04-20 14:47:44 -0400 | [diff] [blame] | 840 | nfs_invalidate_atime(inode); |
| 841 | nfs_refresh_inode(inode, &data->fattr); |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 842 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | } |
| 844 | |
Trond Myklebust | bdc7f02 | 2007-07-14 15:40:00 -0400 | [diff] [blame] | 845 | static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | { |
Trond Myklebust | bdc7f02 | 2007-07-14 15:40:00 -0400 | [diff] [blame] | 847 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | } |
| 849 | |
NeilBrown | ef1820f | 2013-09-04 17:04:49 +1000 | [diff] [blame] | 850 | static int nfs3_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data) |
Bryan Schumaker | ea7c330 | 2012-03-19 14:54:40 -0400 | [diff] [blame] | 851 | { |
| 852 | rpc_call_start(task); |
NeilBrown | ef1820f | 2013-09-04 17:04:49 +1000 | [diff] [blame] | 853 | return 0; |
Bryan Schumaker | ea7c330 | 2012-03-19 14:54:40 -0400 | [diff] [blame] | 854 | } |
| 855 | |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 856 | static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | { |
Fred Isaman | cd84160 | 2012-04-20 14:47:44 -0400 | [diff] [blame] | 858 | struct inode *inode = data->header->inode; |
| 859 | |
| 860 | if (nfs3_async_handle_jukebox(task, inode)) |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 861 | return -EAGAIN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 862 | if (task->tk_status >= 0) |
Fred Isaman | cd84160 | 2012-04-20 14:47:44 -0400 | [diff] [blame] | 863 | nfs_post_op_update_inode_force_wcc(inode, data->res.fattr); |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 864 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 865 | } |
| 866 | |
Trond Myklebust | bdc7f02 | 2007-07-14 15:40:00 -0400 | [diff] [blame] | 867 | static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | { |
Trond Myklebust | bdc7f02 | 2007-07-14 15:40:00 -0400 | [diff] [blame] | 869 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 870 | } |
| 871 | |
NeilBrown | ef1820f | 2013-09-04 17:04:49 +1000 | [diff] [blame] | 872 | static int nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data) |
Bryan Schumaker | c6cb80d | 2012-03-19 14:54:39 -0400 | [diff] [blame] | 873 | { |
| 874 | rpc_call_start(task); |
NeilBrown | ef1820f | 2013-09-04 17:04:49 +1000 | [diff] [blame] | 875 | return 0; |
Bryan Schumaker | c6cb80d | 2012-03-19 14:54:39 -0400 | [diff] [blame] | 876 | } |
| 877 | |
Fred Isaman | 0b7c015 | 2012-04-20 14:47:39 -0400 | [diff] [blame] | 878 | static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) |
| 879 | { |
| 880 | rpc_call_start(task); |
| 881 | } |
| 882 | |
| 883 | static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | { |
Chuck Lever | 006ea73 | 2006-03-20 13:44:14 -0500 | [diff] [blame] | 885 | if (nfs3_async_handle_jukebox(task, data->inode)) |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 886 | return -EAGAIN; |
Trond Myklebust | 9e08a3c | 2007-10-08 14:10:31 -0400 | [diff] [blame] | 887 | nfs_refresh_inode(data->inode, data->res.fattr); |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 888 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 889 | } |
| 890 | |
Fred Isaman | 0b7c015 | 2012-04-20 14:47:39 -0400 | [diff] [blame] | 891 | static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 892 | { |
Trond Myklebust | bdc7f02 | 2007-07-14 15:40:00 -0400 | [diff] [blame] | 893 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | } |
| 895 | |
| 896 | static int |
| 897 | nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) |
| 898 | { |
Al Viro | 496ad9a | 2013-01-23 17:07:38 -0500 | [diff] [blame] | 899 | struct inode *inode = file_inode(filp); |
Chuck Lever | 1093a60 | 2008-01-11 17:09:59 -0500 | [diff] [blame] | 900 | |
| 901 | return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | } |
| 903 | |
Bryan Schumaker | 011e2a7 | 2012-06-20 15:53:43 -0400 | [diff] [blame] | 904 | static int nfs3_have_delegation(struct inode *inode, fmode_t flags) |
| 905 | { |
| 906 | return 0; |
| 907 | } |
| 908 | |
Bryan Schumaker | 57ec14c | 2012-06-20 15:53:44 -0400 | [diff] [blame] | 909 | static int nfs3_return_delegation(struct inode *inode) |
| 910 | { |
| 911 | nfs_wb_all(inode); |
| 912 | return 0; |
| 913 | } |
| 914 | |
Bryan Schumaker | ab96291 | 2012-07-16 16:39:11 -0400 | [diff] [blame] | 915 | static const struct inode_operations nfs3_dir_inode_operations = { |
| 916 | .create = nfs_create, |
| 917 | .lookup = nfs_lookup, |
| 918 | .link = nfs_link, |
| 919 | .unlink = nfs_unlink, |
| 920 | .symlink = nfs_symlink, |
| 921 | .mkdir = nfs_mkdir, |
| 922 | .rmdir = nfs_rmdir, |
| 923 | .mknod = nfs_mknod, |
| 924 | .rename = nfs_rename, |
| 925 | .permission = nfs_permission, |
| 926 | .getattr = nfs_getattr, |
| 927 | .setattr = nfs_setattr, |
Christoph Hellwig | 5f13ee9 | 2014-01-30 06:01:52 -0800 | [diff] [blame] | 928 | #ifdef CONFIG_NFS_V3_ACL |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 929 | .listxattr = generic_listxattr, |
| 930 | .getxattr = generic_getxattr, |
| 931 | .setxattr = generic_setxattr, |
| 932 | .removexattr = generic_removexattr, |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 933 | .get_acl = nfs3_get_acl, |
| 934 | .set_acl = nfs3_set_acl, |
| 935 | #endif |
Bryan Schumaker | ab96291 | 2012-07-16 16:39:11 -0400 | [diff] [blame] | 936 | }; |
| 937 | |
| 938 | static const struct inode_operations nfs3_file_inode_operations = { |
| 939 | .permission = nfs_permission, |
| 940 | .getattr = nfs_getattr, |
| 941 | .setattr = nfs_setattr, |
Christoph Hellwig | 5f13ee9 | 2014-01-30 06:01:52 -0800 | [diff] [blame] | 942 | #ifdef CONFIG_NFS_V3_ACL |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 943 | .listxattr = generic_listxattr, |
| 944 | .getxattr = generic_getxattr, |
| 945 | .setxattr = generic_setxattr, |
| 946 | .removexattr = generic_removexattr, |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 947 | .get_acl = nfs3_get_acl, |
| 948 | .set_acl = nfs3_set_acl, |
| 949 | #endif |
Bryan Schumaker | ab96291 | 2012-07-16 16:39:11 -0400 | [diff] [blame] | 950 | }; |
| 951 | |
David Howells | 509de81 | 2006-08-22 20:06:11 -0400 | [diff] [blame] | 952 | const struct nfs_rpc_ops nfs_v3_clientops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 953 | .version = 3, /* protocol version */ |
| 954 | .dentry_ops = &nfs_dentry_operations, |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 955 | .dir_inode_ops = &nfs3_dir_inode_operations, |
| 956 | .file_inode_ops = &nfs3_file_inode_operations, |
Jeff Layton | 1788ea6 | 2011-11-04 13:31:21 -0400 | [diff] [blame] | 957 | .file_ops = &nfs_file_operations, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | .getroot = nfs3_proc_get_root, |
Bryan Schumaker | 281cad4 | 2012-04-27 13:27:45 -0400 | [diff] [blame] | 959 | .submount = nfs_submount, |
Bryan Schumaker | ff9099f2 | 2012-07-30 16:05:18 -0400 | [diff] [blame] | 960 | .try_mount = nfs_try_mount, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | .getattr = nfs3_proc_getattr, |
| 962 | .setattr = nfs3_proc_setattr, |
| 963 | .lookup = nfs3_proc_lookup, |
| 964 | .access = nfs3_proc_access, |
| 965 | .readlink = nfs3_proc_readlink, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | .create = nfs3_proc_create, |
| 967 | .remove = nfs3_proc_remove, |
| 968 | .unlink_setup = nfs3_proc_unlink_setup, |
Bryan Schumaker | 34e137c | 2012-03-19 14:54:41 -0400 | [diff] [blame] | 969 | .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | .unlink_done = nfs3_proc_unlink_done, |
| 971 | .rename = nfs3_proc_rename, |
Jeff Layton | d3d4152 | 2010-09-17 17:31:57 -0400 | [diff] [blame] | 972 | .rename_setup = nfs3_proc_rename_setup, |
Bryan Schumaker | c6bfa1a | 2012-03-19 14:54:42 -0400 | [diff] [blame] | 973 | .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare, |
Jeff Layton | d3d4152 | 2010-09-17 17:31:57 -0400 | [diff] [blame] | 974 | .rename_done = nfs3_proc_rename_done, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | .link = nfs3_proc_link, |
| 976 | .symlink = nfs3_proc_symlink, |
| 977 | .mkdir = nfs3_proc_mkdir, |
| 978 | .rmdir = nfs3_proc_rmdir, |
| 979 | .readdir = nfs3_proc_readdir, |
| 980 | .mknod = nfs3_proc_mknod, |
| 981 | .statfs = nfs3_proc_statfs, |
| 982 | .fsinfo = nfs3_proc_fsinfo, |
| 983 | .pathconf = nfs3_proc_pathconf, |
| 984 | .decode_dirent = nfs3_decode_dirent, |
| 985 | .read_setup = nfs3_proc_read_setup, |
Bryan Schumaker | 1abb5088 | 2012-06-20 15:53:47 -0400 | [diff] [blame] | 986 | .read_pageio_init = nfs_pageio_init_read, |
Bryan Schumaker | ea7c330 | 2012-03-19 14:54:40 -0400 | [diff] [blame] | 987 | .read_rpc_prepare = nfs3_proc_read_rpc_prepare, |
Trond Myklebust | ec06c09 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 988 | .read_done = nfs3_read_done, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | .write_setup = nfs3_proc_write_setup, |
Bryan Schumaker | 57208fa | 2012-06-20 15:53:48 -0400 | [diff] [blame] | 990 | .write_pageio_init = nfs_pageio_init_write, |
Bryan Schumaker | c6cb80d | 2012-03-19 14:54:39 -0400 | [diff] [blame] | 991 | .write_rpc_prepare = nfs3_proc_write_rpc_prepare, |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 992 | .write_done = nfs3_write_done, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | .commit_setup = nfs3_proc_commit_setup, |
Fred Isaman | 0b7c015 | 2012-04-20 14:47:39 -0400 | [diff] [blame] | 994 | .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare, |
Trond Myklebust | 788e7a8 | 2006-03-20 13:44:27 -0500 | [diff] [blame] | 995 | .commit_done = nfs3_commit_done, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 996 | .lock = nfs3_proc_lock, |
Christoph Hellwig | 013cdf1 | 2013-12-20 05:16:53 -0800 | [diff] [blame] | 997 | .clear_acl_cache = forget_all_cached_acls, |
Trond Myklebust | 7fe5c39 | 2009-03-19 15:35:50 -0400 | [diff] [blame] | 998 | .close_context = nfs_close_context, |
Bryan Schumaker | 011e2a7 | 2012-06-20 15:53:43 -0400 | [diff] [blame] | 999 | .have_delegation = nfs3_have_delegation, |
Bryan Schumaker | 57ec14c | 2012-06-20 15:53:44 -0400 | [diff] [blame] | 1000 | .return_delegation = nfs3_return_delegation, |
Bryan Schumaker | 6663ee7 | 2012-06-20 15:53:46 -0400 | [diff] [blame] | 1001 | .alloc_client = nfs_alloc_client, |
Andy Adamson | 45a52a0 | 2011-03-01 01:34:08 +0000 | [diff] [blame] | 1002 | .init_client = nfs_init_client, |
Bryan Schumaker | cdb7ece | 2012-06-20 15:53:45 -0400 | [diff] [blame] | 1003 | .free_client = nfs_free_client, |
Bryan Schumaker | 1179acc | 2012-07-30 16:05:19 -0400 | [diff] [blame] | 1004 | .create_server = nfs3_create_server, |
| 1005 | .clone_server = nfs3_clone_server, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | }; |