Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Server-side procedures for NFSv4. |
| 3 | * |
| 4 | * Copyright (c) 2002 The Regents of the University of Michigan. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Kendrick Smith <kmsmith@umich.edu> |
| 8 | * Andy Adamson <andros@umich.edu> |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * 3. Neither the name of the University nor the names of its |
| 20 | * contributors may be used to endorse or promote products derived |
| 21 | * from this software without specific prior written permission. |
| 22 | * |
| 23 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 24 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 25 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 26 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 30 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 31 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 32 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 33 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | */ |
NeilBrown | 7e06b7f | 2005-06-23 22:03:13 -0700 | [diff] [blame] | 35 | #include <linux/file.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 36 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
Boaz Harrosh | 9a74af2 | 2009-12-03 20:30:56 +0200 | [diff] [blame] | 38 | #include "cache.h" |
| 39 | #include "xdr4.h" |
J. Bruce Fields | 0a3adad | 2009-11-04 18:12:35 -0500 | [diff] [blame] | 40 | #include "vfs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | #define NFSDDBG_FACILITY NFSDDBG_PROC |
| 43 | |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 44 | static u32 nfsd_attrmask[] = { |
| 45 | NFSD_WRITEABLE_ATTRS_WORD0, |
| 46 | NFSD_WRITEABLE_ATTRS_WORD1, |
| 47 | NFSD_WRITEABLE_ATTRS_WORD2 |
| 48 | }; |
| 49 | |
| 50 | static u32 nfsd41_ex_attrmask[] = { |
| 51 | NFSD_SUPPATTR_EXCLCREAT_WORD0, |
| 52 | NFSD_SUPPATTR_EXCLCREAT_WORD1, |
| 53 | NFSD_SUPPATTR_EXCLCREAT_WORD2 |
| 54 | }; |
| 55 | |
| 56 | static __be32 |
| 57 | check_attr_support(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 58 | u32 *bmval, u32 *writable) |
| 59 | { |
| 60 | struct dentry *dentry = cstate->current_fh.fh_dentry; |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 61 | |
| 62 | /* |
| 63 | * Check about attributes are supported by the NFSv4 server or not. |
| 64 | * According to spec, unsupported attributes return ERR_ATTRNOTSUPP. |
| 65 | */ |
| 66 | if ((bmval[0] & ~nfsd_suppattrs0(cstate->minorversion)) || |
| 67 | (bmval[1] & ~nfsd_suppattrs1(cstate->minorversion)) || |
| 68 | (bmval[2] & ~nfsd_suppattrs2(cstate->minorversion))) |
| 69 | return nfserr_attrnotsupp; |
| 70 | |
| 71 | /* |
Trond Myklebust | a06b126 | 2009-08-31 15:16:11 -0400 | [diff] [blame] | 72 | * Check FATTR4_WORD0_ACL can be supported |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 73 | * in current environment or not. |
| 74 | */ |
| 75 | if (bmval[0] & FATTR4_WORD0_ACL) { |
| 76 | if (!IS_POSIXACL(dentry->d_inode)) |
| 77 | return nfserr_attrnotsupp; |
| 78 | } |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 79 | |
| 80 | /* |
| 81 | * According to spec, read-only attributes return ERR_INVAL. |
| 82 | */ |
| 83 | if (writable) { |
| 84 | if ((bmval[0] & ~writable[0]) || (bmval[1] & ~writable[1]) || |
| 85 | (bmval[2] & ~writable[2])) |
| 86 | return nfserr_inval; |
| 87 | } |
| 88 | |
| 89 | return nfs_ok; |
| 90 | } |
| 91 | |
| 92 | static __be32 |
| 93 | nfsd4_check_open_attributes(struct svc_rqst *rqstp, |
| 94 | struct nfsd4_compound_state *cstate, struct nfsd4_open *open) |
| 95 | { |
| 96 | __be32 status = nfs_ok; |
| 97 | |
| 98 | if (open->op_create == NFS4_OPEN_CREATE) { |
| 99 | if (open->op_createmode == NFS4_CREATE_UNCHECKED |
| 100 | || open->op_createmode == NFS4_CREATE_GUARDED) |
| 101 | status = check_attr_support(rqstp, cstate, |
| 102 | open->op_bmval, nfsd_attrmask); |
| 103 | else if (open->op_createmode == NFS4_CREATE_EXCLUSIVE4_1) |
| 104 | status = check_attr_support(rqstp, cstate, |
| 105 | open->op_bmval, nfsd41_ex_attrmask); |
| 106 | } |
| 107 | |
| 108 | return status; |
| 109 | } |
| 110 | |
Yu Zhiguo | 9208faf | 2009-07-06 17:24:16 +0800 | [diff] [blame] | 111 | static int |
| 112 | is_create_with_attrs(struct nfsd4_open *open) |
| 113 | { |
| 114 | return open->op_create == NFS4_OPEN_CREATE |
| 115 | && (open->op_createmode == NFS4_CREATE_UNCHECKED |
| 116 | || open->op_createmode == NFS4_CREATE_GUARDED |
| 117 | || open->op_createmode == NFS4_CREATE_EXCLUSIVE4_1); |
| 118 | } |
| 119 | |
| 120 | /* |
| 121 | * if error occurs when setting the acl, just clear the acl bit |
| 122 | * in the returned attr bitmap. |
| 123 | */ |
| 124 | static void |
| 125 | do_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp, |
| 126 | struct nfs4_acl *acl, u32 *bmval) |
| 127 | { |
| 128 | __be32 status; |
| 129 | |
| 130 | status = nfsd4_set_nfs4_acl(rqstp, fhp, acl); |
| 131 | if (status) |
| 132 | /* |
| 133 | * We should probably fail the whole open at this point, |
| 134 | * but we've already created the file, so it's too late; |
| 135 | * So this seems the least of evils: |
| 136 | */ |
| 137 | bmval[0] &= ~FATTR4_WORD0_ACL; |
| 138 | } |
| 139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | static inline void |
| 141 | fh_dup2(struct svc_fh *dst, struct svc_fh *src) |
| 142 | { |
| 143 | fh_put(dst); |
| 144 | dget(src->fh_dentry); |
| 145 | if (src->fh_export) |
| 146 | cache_get(&src->fh_export->h); |
| 147 | *dst = *src; |
| 148 | } |
| 149 | |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 150 | static __be32 |
J. Bruce Fields | dc730e1 | 2006-10-17 00:10:13 -0700 | [diff] [blame] | 151 | do_open_permission(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open, int accmode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 153 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | |
| 155 | if (open->op_truncate && |
| 156 | !(open->op_share_access & NFS4_SHARE_ACCESS_WRITE)) |
| 157 | return nfserr_inval; |
| 158 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | if (open->op_share_access & NFS4_SHARE_ACCESS_READ) |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 160 | accmode |= NFSD_MAY_READ; |
J. Bruce Fields | 9801d8a | 2006-10-17 00:10:14 -0700 | [diff] [blame] | 161 | if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE) |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 162 | accmode |= (NFSD_MAY_WRITE | NFSD_MAY_TRUNC); |
J. Bruce Fields | 57ecb34 | 2009-12-01 19:42:57 -0500 | [diff] [blame] | 163 | if (open->op_share_deny & NFS4_SHARE_DENY_READ) |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 164 | accmode |= NFSD_MAY_WRITE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
| 166 | status = fh_verify(rqstp, current_fh, S_IFREG, accmode); |
| 167 | |
| 168 | return status; |
| 169 | } |
| 170 | |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 171 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open) |
| 173 | { |
| 174 | struct svc_fh resfh; |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 175 | __be32 status; |
J. Bruce Fields | 81ac95c | 2006-11-08 17:44:40 -0800 | [diff] [blame] | 176 | int created = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | |
| 178 | fh_init(&resfh, NFS4_FHSIZE); |
| 179 | open->op_truncate = 0; |
| 180 | |
| 181 | if (open->op_create) { |
Benny Halevy | 79fb54a | 2009-04-03 08:29:17 +0300 | [diff] [blame] | 182 | /* FIXME: check session persistence and pnfs flags. |
| 183 | * The nfsv4.1 spec requires the following semantics: |
| 184 | * |
| 185 | * Persistent | pNFS | Server REQUIRED | Client Allowed |
| 186 | * Reply Cache | server | | |
| 187 | * -------------+--------+-----------------+-------------------- |
| 188 | * no | no | EXCLUSIVE4_1 | EXCLUSIVE4_1 |
| 189 | * | | | (SHOULD) |
| 190 | * | | and EXCLUSIVE4 | or EXCLUSIVE4 |
| 191 | * | | | (SHOULD NOT) |
| 192 | * no | yes | EXCLUSIVE4_1 | EXCLUSIVE4_1 |
| 193 | * yes | no | GUARDED4 | GUARDED4 |
| 194 | * yes | yes | GUARDED4 | GUARDED4 |
| 195 | */ |
| 196 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | /* |
| 198 | * Note: create modes (UNCHECKED,GUARDED...) are the same |
| 199 | * in NFSv4 as in v3. |
| 200 | */ |
| 201 | status = nfsd_create_v3(rqstp, current_fh, open->op_fname.data, |
| 202 | open->op_fname.len, &open->op_iattr, |
| 203 | &resfh, open->op_createmode, |
Jeff Layton | 749997e | 2007-07-31 00:37:51 -0700 | [diff] [blame] | 204 | (u32 *)open->op_verf.data, |
| 205 | &open->op_truncate, &created); |
| 206 | |
J. Bruce Fields | 99f8872 | 2009-02-02 15:12:27 -0500 | [diff] [blame] | 207 | /* |
| 208 | * Following rfc 3530 14.2.16, use the returned bitmask |
| 209 | * to indicate which attributes we used to store the |
| 210 | * verifier: |
Jeff Layton | 749997e | 2007-07-31 00:37:51 -0700 | [diff] [blame] | 211 | */ |
| 212 | if (open->op_createmode == NFS4_CREATE_EXCLUSIVE && status == 0) |
J. Bruce Fields | 99f8872 | 2009-02-02 15:12:27 -0500 | [diff] [blame] | 213 | open->op_bmval[1] = (FATTR4_WORD1_TIME_ACCESS | |
Jeff Layton | 749997e | 2007-07-31 00:37:51 -0700 | [diff] [blame] | 214 | FATTR4_WORD1_TIME_MODIFY); |
J. Bruce Fields | af85852 | 2006-11-08 17:44:39 -0800 | [diff] [blame] | 215 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | status = nfsd_lookup(rqstp, current_fh, |
| 217 | open->op_fname.data, open->op_fname.len, &resfh); |
| 218 | fh_unlock(current_fh); |
| 219 | } |
J. Bruce Fields | af85852 | 2006-11-08 17:44:39 -0800 | [diff] [blame] | 220 | if (status) |
| 221 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | |
Yu Zhiguo | 9208faf | 2009-07-06 17:24:16 +0800 | [diff] [blame] | 223 | if (is_create_with_attrs(open) && open->op_acl != NULL) |
| 224 | do_set_nfs4_acl(rqstp, &resfh, open->op_acl, open->op_bmval); |
| 225 | |
J. Bruce Fields | af85852 | 2006-11-08 17:44:39 -0800 | [diff] [blame] | 226 | set_change_info(&open->op_cinfo, current_fh); |
J. Bruce Fields | 13024b7 | 2009-02-02 17:04:03 -0500 | [diff] [blame] | 227 | fh_dup2(current_fh, &resfh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | |
J. Bruce Fields | af85852 | 2006-11-08 17:44:39 -0800 | [diff] [blame] | 229 | /* set reply cache */ |
J. Bruce Fields | a4773c0 | 2009-02-02 17:23:10 -0500 | [diff] [blame] | 230 | fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh, |
| 231 | &resfh.fh_handle); |
J. Bruce Fields | 81ac95c | 2006-11-08 17:44:40 -0800 | [diff] [blame] | 232 | if (!created) |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 233 | status = do_open_permission(rqstp, current_fh, open, |
| 234 | NFSD_MAY_NOP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | |
J. Bruce Fields | af85852 | 2006-11-08 17:44:39 -0800 | [diff] [blame] | 236 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | fh_put(&resfh); |
| 238 | return status; |
| 239 | } |
| 240 | |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 241 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open) |
| 243 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 244 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | |
| 246 | /* Only reclaims from previously confirmed clients are valid */ |
| 247 | if ((status = nfs4_check_open_reclaim(&open->op_clientid))) |
| 248 | return status; |
| 249 | |
| 250 | /* We don't know the target directory, and therefore can not |
| 251 | * set the change info |
| 252 | */ |
| 253 | |
| 254 | memset(&open->op_cinfo, 0, sizeof(struct nfsd4_change_info)); |
| 255 | |
| 256 | /* set replay cache */ |
J. Bruce Fields | a4773c0 | 2009-02-02 17:23:10 -0500 | [diff] [blame] | 257 | fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh, |
| 258 | ¤t_fh->fh_handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | |
| 260 | open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) && |
| 261 | (open->op_iattr.ia_size == 0); |
| 262 | |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 263 | status = do_open_permission(rqstp, current_fh, open, |
| 264 | NFSD_MAY_OWNER_OVERRIDE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | |
| 266 | return status; |
| 267 | } |
| 268 | |
Andy Adamson | 60adfc5 | 2009-04-03 08:28:50 +0300 | [diff] [blame] | 269 | static void |
| 270 | copy_clientid(clientid_t *clid, struct nfsd4_session *session) |
| 271 | { |
| 272 | struct nfsd4_sessionid *sid = |
| 273 | (struct nfsd4_sessionid *)session->se_sessionid.data; |
| 274 | |
| 275 | clid->cl_boot = sid->clientid.cl_boot; |
| 276 | clid->cl_id = sid->clientid.cl_id; |
| 277 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 279 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 280 | nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 281 | struct nfsd4_open *open) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 283 | __be32 status; |
Andy Adamson | 6668958 | 2009-04-03 08:28:45 +0300 | [diff] [blame] | 284 | struct nfsd4_compoundres *resp; |
| 285 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | dprintk("NFSD: nfsd4_open filename %.*s op_stateowner %p\n", |
| 287 | (int)open->op_fname.len, open->op_fname.data, |
| 288 | open->op_stateowner); |
| 289 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | /* This check required by spec. */ |
| 291 | if (open->op_create && open->op_claim_type != NFS4_OPEN_CLAIM_NULL) |
| 292 | return nfserr_inval; |
| 293 | |
Andy Adamson | 60adfc5 | 2009-04-03 08:28:50 +0300 | [diff] [blame] | 294 | if (nfsd4_has_session(cstate)) |
| 295 | copy_clientid(&open->op_clientid, cstate->session); |
| 296 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | nfs4_lock_state(); |
| 298 | |
| 299 | /* check seqid for replay. set nfs4_owner */ |
Andy Adamson | 6668958 | 2009-04-03 08:28:45 +0300 | [diff] [blame] | 300 | resp = rqstp->rq_resp; |
| 301 | status = nfsd4_process_open1(&resp->cstate, open); |
Al Viro | a90b061 | 2006-10-19 23:29:03 -0700 | [diff] [blame] | 302 | if (status == nfserr_replay_me) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | struct nfs4_replay *rp = &open->op_stateowner->so_replay; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 304 | fh_put(&cstate->current_fh); |
J. Bruce Fields | a4773c0 | 2009-02-02 17:23:10 -0500 | [diff] [blame] | 305 | fh_copy_shallow(&cstate->current_fh.fh_handle, |
| 306 | &rp->rp_openfh); |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 307 | status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | if (status) |
| 309 | dprintk("nfsd4_open: replay failed" |
| 310 | " restoring previous filehandle\n"); |
| 311 | else |
Al Viro | a90b061 | 2006-10-19 23:29:03 -0700 | [diff] [blame] | 312 | status = nfserr_replay_me; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | } |
| 314 | if (status) |
| 315 | goto out; |
J. Bruce Fields | fb553c0 | 2006-01-18 17:43:36 -0800 | [diff] [blame] | 316 | |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 317 | status = nfsd4_check_open_attributes(rqstp, cstate, open); |
| 318 | if (status) |
| 319 | goto out; |
| 320 | |
J. Bruce Fields | fb553c0 | 2006-01-18 17:43:36 -0800 | [diff] [blame] | 321 | /* Openowner is now set, so sequence id will get bumped. Now we need |
| 322 | * these checks before we do any creates: */ |
J. Bruce Fields | cbd0d51 | 2006-02-07 12:58:32 -0800 | [diff] [blame] | 323 | status = nfserr_grace; |
J. Bruce Fields | af558e3 | 2007-09-06 12:34:25 -0400 | [diff] [blame] | 324 | if (locks_in_grace() && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS) |
J. Bruce Fields | cbd0d51 | 2006-02-07 12:58:32 -0800 | [diff] [blame] | 325 | goto out; |
| 326 | status = nfserr_no_grace; |
J. Bruce Fields | af558e3 | 2007-09-06 12:34:25 -0400 | [diff] [blame] | 327 | if (!locks_in_grace() && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS) |
J. Bruce Fields | cbd0d51 | 2006-02-07 12:58:32 -0800 | [diff] [blame] | 328 | goto out; |
J. Bruce Fields | fb553c0 | 2006-01-18 17:43:36 -0800 | [diff] [blame] | 329 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | switch (open->op_claim_type) { |
NeilBrown | 0dd3c19 | 2005-06-23 22:02:56 -0700 | [diff] [blame] | 331 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | case NFS4_OPEN_CLAIM_NULL: |
| 333 | /* |
| 334 | * (1) set CURRENT_FH to the file being opened, |
| 335 | * creating it if necessary, (2) set open->op_cinfo, |
| 336 | * (3) set open->op_truncate if the file is to be |
| 337 | * truncated after opening, (4) do permission checking. |
| 338 | */ |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 339 | status = do_open_lookup(rqstp, &cstate->current_fh, |
| 340 | open); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | if (status) |
| 342 | goto out; |
| 343 | break; |
| 344 | case NFS4_OPEN_CLAIM_PREVIOUS: |
J. Bruce Fields | a525825 | 2006-01-18 17:43:30 -0800 | [diff] [blame] | 345 | open->op_stateowner->so_confirmed = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | /* |
| 347 | * The CURRENT_FH is already set to the file being |
| 348 | * opened. (1) set open->op_cinfo, (2) set |
| 349 | * open->op_truncate if the file is to be truncated |
| 350 | * after opening, (3) do permission checking. |
| 351 | */ |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 352 | status = do_open_fhandle(rqstp, &cstate->current_fh, |
| 353 | open); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | if (status) |
| 355 | goto out; |
| 356 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | case NFS4_OPEN_CLAIM_DELEGATE_PREV: |
J. Bruce Fields | a525825 | 2006-01-18 17:43:30 -0800 | [diff] [blame] | 358 | open->op_stateowner->so_confirmed = 1; |
J. Bruce Fields | 2fdada0 | 2007-07-27 16:10:37 -0400 | [diff] [blame] | 359 | dprintk("NFSD: unsupported OPEN claim type %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | open->op_claim_type); |
| 361 | status = nfserr_notsupp; |
| 362 | goto out; |
| 363 | default: |
J. Bruce Fields | 2fdada0 | 2007-07-27 16:10:37 -0400 | [diff] [blame] | 364 | dprintk("NFSD: Invalid OPEN claim type %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | open->op_claim_type); |
| 366 | status = nfserr_inval; |
| 367 | goto out; |
| 368 | } |
| 369 | /* |
| 370 | * nfsd4_process_open2() does the actual opening of the file. If |
| 371 | * successful, it (1) truncates the file if open->op_truncate was |
| 372 | * set, (2) sets open->op_stateid, (3) sets open->op_delegation. |
| 373 | */ |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 374 | status = nfsd4_process_open2(rqstp, &cstate->current_fh, open); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | out: |
Neil Brown | f2327d9 | 2005-09-13 01:25:37 -0700 | [diff] [blame] | 376 | if (open->op_stateowner) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | nfs4_get_stateowner(open->op_stateowner); |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 378 | cstate->replay_owner = open->op_stateowner; |
Neil Brown | f2327d9 | 2005-09-13 01:25:37 -0700 | [diff] [blame] | 379 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | nfs4_unlock_state(); |
| 381 | return status; |
| 382 | } |
| 383 | |
| 384 | /* |
| 385 | * filehandle-manipulating ops. |
| 386 | */ |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 387 | static __be32 |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 388 | nfsd4_getfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 389 | struct svc_fh **getfh) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | { |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 391 | if (!cstate->current_fh.fh_dentry) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | return nfserr_nofilehandle; |
| 393 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 394 | *getfh = &cstate->current_fh; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | return nfs_ok; |
| 396 | } |
| 397 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 398 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 399 | nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 400 | struct nfsd4_putfh *putfh) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | { |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 402 | fh_put(&cstate->current_fh); |
| 403 | cstate->current_fh.fh_handle.fh_size = putfh->pf_fhlen; |
| 404 | memcpy(&cstate->current_fh.fh_handle.fh_base, putfh->pf_fhval, |
| 405 | putfh->pf_fhlen); |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 406 | return fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | } |
| 408 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 409 | static __be32 |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 410 | nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 411 | void *arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 413 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 415 | fh_put(&cstate->current_fh); |
J. Bruce Fields | df547ef | 2007-07-17 04:04:43 -0700 | [diff] [blame] | 416 | status = exp_pseudoroot(rqstp, &cstate->current_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | return status; |
| 418 | } |
| 419 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 420 | static __be32 |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 421 | nfsd4_restorefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 422 | void *arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | { |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 424 | if (!cstate->save_fh.fh_dentry) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | return nfserr_restorefh; |
| 426 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 427 | fh_dup2(&cstate->current_fh, &cstate->save_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | return nfs_ok; |
| 429 | } |
| 430 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 431 | static __be32 |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 432 | nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 433 | void *arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | { |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 435 | if (!cstate->current_fh.fh_dentry) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | return nfserr_nofilehandle; |
| 437 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 438 | fh_dup2(&cstate->save_fh, &cstate->current_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | return nfs_ok; |
| 440 | } |
| 441 | |
| 442 | /* |
| 443 | * misc nfsv4 ops |
| 444 | */ |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 445 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 446 | nfsd4_access(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 447 | struct nfsd4_access *access) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | { |
| 449 | if (access->ac_req_access & ~NFS3_ACCESS_FULL) |
| 450 | return nfserr_inval; |
| 451 | |
| 452 | access->ac_resp_access = access->ac_req_access; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 453 | return nfsd_access(rqstp, &cstate->current_fh, &access->ac_resp_access, |
| 454 | &access->ac_supported); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | } |
| 456 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 457 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 458 | nfsd4_commit(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 459 | struct nfsd4_commit *commit) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 461 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | |
| 463 | u32 *p = (u32 *)commit->co_verf.data; |
| 464 | *p++ = nfssvc_boot.tv_sec; |
| 465 | *p++ = nfssvc_boot.tv_usec; |
| 466 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 467 | status = nfsd_commit(rqstp, &cstate->current_fh, commit->co_offset, |
| 468 | commit->co_count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | if (status == nfserr_symlink) |
| 470 | status = nfserr_inval; |
| 471 | return status; |
| 472 | } |
| 473 | |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 474 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 475 | nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 476 | struct nfsd4_create *create) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | { |
| 478 | struct svc_fh resfh; |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 479 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | dev_t rdev; |
| 481 | |
| 482 | fh_init(&resfh, NFS4_FHSIZE); |
| 483 | |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 484 | status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, |
| 485 | NFSD_MAY_CREATE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | if (status == nfserr_symlink) |
| 487 | status = nfserr_notdir; |
| 488 | if (status) |
| 489 | return status; |
| 490 | |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 491 | status = check_attr_support(rqstp, cstate, create->cr_bmval, |
| 492 | nfsd_attrmask); |
| 493 | if (status) |
| 494 | return status; |
| 495 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | switch (create->cr_type) { |
| 497 | case NF4LNK: |
| 498 | /* ugh! we have to null-terminate the linktext, or |
| 499 | * vfs_symlink() will choke. it is always safe to |
| 500 | * null-terminate by brute force, since at worst we |
| 501 | * will overwrite the first byte of the create namelen |
| 502 | * in the XDR buffer, which has already been extracted |
| 503 | * during XDR decode. |
| 504 | */ |
| 505 | create->cr_linkname[create->cr_linklen] = 0; |
| 506 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 507 | status = nfsd_symlink(rqstp, &cstate->current_fh, |
| 508 | create->cr_name, create->cr_namelen, |
| 509 | create->cr_linkname, create->cr_linklen, |
| 510 | &resfh, &create->cr_iattr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | break; |
| 512 | |
| 513 | case NF4BLK: |
| 514 | rdev = MKDEV(create->cr_specdata1, create->cr_specdata2); |
| 515 | if (MAJOR(rdev) != create->cr_specdata1 || |
| 516 | MINOR(rdev) != create->cr_specdata2) |
| 517 | return nfserr_inval; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 518 | status = nfsd_create(rqstp, &cstate->current_fh, |
| 519 | create->cr_name, create->cr_namelen, |
| 520 | &create->cr_iattr, S_IFBLK, rdev, &resfh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | break; |
| 522 | |
| 523 | case NF4CHR: |
| 524 | rdev = MKDEV(create->cr_specdata1, create->cr_specdata2); |
| 525 | if (MAJOR(rdev) != create->cr_specdata1 || |
| 526 | MINOR(rdev) != create->cr_specdata2) |
| 527 | return nfserr_inval; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 528 | status = nfsd_create(rqstp, &cstate->current_fh, |
| 529 | create->cr_name, create->cr_namelen, |
| 530 | &create->cr_iattr,S_IFCHR, rdev, &resfh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | break; |
| 532 | |
| 533 | case NF4SOCK: |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 534 | status = nfsd_create(rqstp, &cstate->current_fh, |
| 535 | create->cr_name, create->cr_namelen, |
| 536 | &create->cr_iattr, S_IFSOCK, 0, &resfh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | break; |
| 538 | |
| 539 | case NF4FIFO: |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 540 | status = nfsd_create(rqstp, &cstate->current_fh, |
| 541 | create->cr_name, create->cr_namelen, |
| 542 | &create->cr_iattr, S_IFIFO, 0, &resfh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | break; |
| 544 | |
| 545 | case NF4DIR: |
| 546 | create->cr_iattr.ia_valid &= ~ATTR_SIZE; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 547 | status = nfsd_create(rqstp, &cstate->current_fh, |
| 548 | create->cr_name, create->cr_namelen, |
| 549 | &create->cr_iattr, S_IFDIR, 0, &resfh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | break; |
| 551 | |
| 552 | default: |
| 553 | status = nfserr_badtype; |
| 554 | } |
| 555 | |
Yu Zhiguo | 9208faf | 2009-07-06 17:24:16 +0800 | [diff] [blame] | 556 | if (status) |
| 557 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | |
Yu Zhiguo | 9208faf | 2009-07-06 17:24:16 +0800 | [diff] [blame] | 559 | if (create->cr_acl != NULL) |
| 560 | do_set_nfs4_acl(rqstp, &resfh, create->cr_acl, |
| 561 | create->cr_bmval); |
| 562 | |
| 563 | fh_unlock(&cstate->current_fh); |
| 564 | set_change_info(&create->cr_cinfo, &cstate->current_fh); |
| 565 | fh_dup2(&cstate->current_fh, &resfh); |
| 566 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | fh_put(&resfh); |
| 568 | return status; |
| 569 | } |
| 570 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 571 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 572 | nfsd4_getattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 573 | struct nfsd4_getattr *getattr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 575 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 577 | status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | if (status) |
| 579 | return status; |
| 580 | |
| 581 | if (getattr->ga_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1) |
| 582 | return nfserr_inval; |
| 583 | |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 584 | getattr->ga_bmval[0] &= nfsd_suppattrs0(cstate->minorversion); |
| 585 | getattr->ga_bmval[1] &= nfsd_suppattrs1(cstate->minorversion); |
| 586 | getattr->ga_bmval[2] &= nfsd_suppattrs2(cstate->minorversion); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 588 | getattr->ga_fhp = &cstate->current_fh; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | return nfs_ok; |
| 590 | } |
| 591 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 592 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 593 | nfsd4_link(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 594 | struct nfsd4_link *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 596 | __be32 status = nfserr_nofilehandle; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 598 | if (!cstate->save_fh.fh_dentry) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | return status; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 600 | status = nfsd_link(rqstp, &cstate->current_fh, |
| 601 | link->li_name, link->li_namelen, &cstate->save_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | if (!status) |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 603 | set_change_info(&link->li_cinfo, &cstate->current_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | return status; |
| 605 | } |
| 606 | |
J. Bruce Fields | 0ff7ab4 | 2010-12-16 10:06:27 -0500 | [diff] [blame] | 607 | static __be32 nfsd4_do_lookupp(struct svc_rqst *rqstp, struct svc_fh *fh) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | { |
| 609 | struct svc_fh tmp_fh; |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 610 | __be32 ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | |
| 612 | fh_init(&tmp_fh, NFS4_FHSIZE); |
J. Bruce Fields | df547ef | 2007-07-17 04:04:43 -0700 | [diff] [blame] | 613 | ret = exp_pseudoroot(rqstp, &tmp_fh); |
| 614 | if (ret) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | return ret; |
J. Bruce Fields | 0ff7ab4 | 2010-12-16 10:06:27 -0500 | [diff] [blame] | 616 | if (tmp_fh.fh_dentry == fh->fh_dentry) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | fh_put(&tmp_fh); |
| 618 | return nfserr_noent; |
| 619 | } |
| 620 | fh_put(&tmp_fh); |
J. Bruce Fields | 0ff7ab4 | 2010-12-16 10:06:27 -0500 | [diff] [blame] | 621 | return nfsd_lookup(rqstp, fh, "..", 2, fh); |
| 622 | } |
| 623 | |
| 624 | static __be32 |
| 625 | nfsd4_lookupp(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 626 | void *arg) |
| 627 | { |
| 628 | return nfsd4_do_lookupp(rqstp, &cstate->current_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | } |
| 630 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 631 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 632 | nfsd4_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 633 | struct nfsd4_lookup *lookup) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | { |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 635 | return nfsd_lookup(rqstp, &cstate->current_fh, |
| 636 | lookup->lo_name, lookup->lo_len, |
| 637 | &cstate->current_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 638 | } |
| 639 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 640 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 641 | nfsd4_read(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 642 | struct nfsd4_read *read) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 644 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | |
| 646 | /* no need to check permission - this will be done in nfsd_read() */ |
| 647 | |
NeilBrown | 7e06b7f | 2005-06-23 22:03:13 -0700 | [diff] [blame] | 648 | read->rd_filp = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | if (read->rd_offset >= OFFSET_MAX) |
| 650 | return nfserr_inval; |
| 651 | |
| 652 | nfs4_lock_state(); |
| 653 | /* check stateid */ |
Benny Halevy | dd453df | 2009-04-03 08:28:41 +0300 | [diff] [blame] | 654 | if ((status = nfs4_preprocess_stateid_op(cstate, &read->rd_stateid, |
| 655 | RD_STATE, &read->rd_filp))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | dprintk("NFSD: nfsd4_read: couldn't process stateid!\n"); |
| 657 | goto out; |
| 658 | } |
NeilBrown | 7e06b7f | 2005-06-23 22:03:13 -0700 | [diff] [blame] | 659 | if (read->rd_filp) |
| 660 | get_file(read->rd_filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | status = nfs_ok; |
| 662 | out: |
| 663 | nfs4_unlock_state(); |
| 664 | read->rd_rqstp = rqstp; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 665 | read->rd_fhp = &cstate->current_fh; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | return status; |
| 667 | } |
| 668 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 669 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 670 | nfsd4_readdir(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 671 | struct nfsd4_readdir *readdir) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | { |
| 673 | u64 cookie = readdir->rd_cookie; |
| 674 | static const nfs4_verifier zeroverf; |
| 675 | |
| 676 | /* no need to check permission - this will be done in nfsd_readdir() */ |
| 677 | |
| 678 | if (readdir->rd_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1) |
| 679 | return nfserr_inval; |
| 680 | |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 681 | readdir->rd_bmval[0] &= nfsd_suppattrs0(cstate->minorversion); |
| 682 | readdir->rd_bmval[1] &= nfsd_suppattrs1(cstate->minorversion); |
| 683 | readdir->rd_bmval[2] &= nfsd_suppattrs2(cstate->minorversion); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | |
| 685 | if ((cookie > ~(u32)0) || (cookie == 1) || (cookie == 2) || |
| 686 | (cookie == 0 && memcmp(readdir->rd_verf.data, zeroverf.data, NFS4_VERIFIER_SIZE))) |
| 687 | return nfserr_bad_cookie; |
| 688 | |
| 689 | readdir->rd_rqstp = rqstp; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 690 | readdir->rd_fhp = &cstate->current_fh; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | return nfs_ok; |
| 692 | } |
| 693 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 694 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 695 | nfsd4_readlink(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 696 | struct nfsd4_readlink *readlink) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | { |
| 698 | readlink->rl_rqstp = rqstp; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 699 | readlink->rl_fhp = &cstate->current_fh; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | return nfs_ok; |
| 701 | } |
| 702 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 703 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 704 | nfsd4_remove(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 705 | struct nfsd4_remove *remove) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 707 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | |
J. Bruce Fields | af558e3 | 2007-09-06 12:34:25 -0400 | [diff] [blame] | 709 | if (locks_in_grace()) |
NeilBrown | c815afc | 2005-06-23 22:03:00 -0700 | [diff] [blame] | 710 | return nfserr_grace; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 711 | status = nfsd_unlink(rqstp, &cstate->current_fh, 0, |
| 712 | remove->rm_name, remove->rm_namelen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | if (status == nfserr_symlink) |
| 714 | return nfserr_notdir; |
| 715 | if (!status) { |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 716 | fh_unlock(&cstate->current_fh); |
| 717 | set_change_info(&remove->rm_cinfo, &cstate->current_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | } |
| 719 | return status; |
| 720 | } |
| 721 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 722 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 723 | nfsd4_rename(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 724 | struct nfsd4_rename *rename) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 726 | __be32 status = nfserr_nofilehandle; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 728 | if (!cstate->save_fh.fh_dentry) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | return status; |
J. Bruce Fields | af558e3 | 2007-09-06 12:34:25 -0400 | [diff] [blame] | 730 | if (locks_in_grace() && !(cstate->save_fh.fh_export->ex_flags |
NeilBrown | c815afc | 2005-06-23 22:03:00 -0700 | [diff] [blame] | 731 | & NFSEXP_NOSUBTREECHECK)) |
| 732 | return nfserr_grace; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 733 | status = nfsd_rename(rqstp, &cstate->save_fh, rename->rn_sname, |
| 734 | rename->rn_snamelen, &cstate->current_fh, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | rename->rn_tname, rename->rn_tnamelen); |
| 736 | |
| 737 | /* the underlying filesystem returns different error's than required |
| 738 | * by NFSv4. both save_fh and current_fh have been verified.. */ |
| 739 | if (status == nfserr_isdir) |
| 740 | status = nfserr_exist; |
| 741 | else if ((status == nfserr_notdir) && |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 742 | (S_ISDIR(cstate->save_fh.fh_dentry->d_inode->i_mode) && |
| 743 | S_ISDIR(cstate->current_fh.fh_dentry->d_inode->i_mode))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | status = nfserr_exist; |
| 745 | else if (status == nfserr_symlink) |
| 746 | status = nfserr_notdir; |
| 747 | |
| 748 | if (!status) { |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 749 | set_change_info(&rename->rn_sinfo, &cstate->current_fh); |
| 750 | set_change_info(&rename->rn_tinfo, &cstate->save_fh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | } |
| 752 | return status; |
| 753 | } |
| 754 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 755 | static __be32 |
Andy Adamson | dcb488a | 2007-07-17 04:04:51 -0700 | [diff] [blame] | 756 | nfsd4_secinfo(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 757 | struct nfsd4_secinfo *secinfo) |
| 758 | { |
| 759 | struct svc_fh resfh; |
| 760 | struct svc_export *exp; |
| 761 | struct dentry *dentry; |
| 762 | __be32 err; |
| 763 | |
| 764 | fh_init(&resfh, NFS4_FHSIZE); |
| 765 | err = nfsd_lookup_dentry(rqstp, &cstate->current_fh, |
| 766 | secinfo->si_name, secinfo->si_namelen, |
| 767 | &exp, &dentry); |
| 768 | if (err) |
| 769 | return err; |
| 770 | if (dentry->d_inode == NULL) { |
| 771 | exp_put(exp); |
| 772 | err = nfserr_noent; |
| 773 | } else |
| 774 | secinfo->si_exp = exp; |
| 775 | dput(dentry); |
J. Bruce Fields | 56560b9 | 2010-12-16 09:57:15 -0500 | [diff] [blame] | 776 | if (cstate->minorversion) |
| 777 | /* See rfc 5661 section 2.6.3.1.1.8 */ |
| 778 | fh_put(&cstate->current_fh); |
Andy Adamson | dcb488a | 2007-07-17 04:04:51 -0700 | [diff] [blame] | 779 | return err; |
| 780 | } |
| 781 | |
| 782 | static __be32 |
J. Bruce Fields | 04f4ad1 | 2010-12-16 09:51:13 -0500 | [diff] [blame] | 783 | nfsd4_secinfo_no_name(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 784 | struct nfsd4_secinfo_no_name *sin) |
| 785 | { |
| 786 | __be32 err; |
| 787 | |
| 788 | switch (sin->sin_style) { |
| 789 | case NFS4_SECINFO_STYLE4_CURRENT_FH: |
| 790 | break; |
| 791 | case NFS4_SECINFO_STYLE4_PARENT: |
| 792 | err = nfsd4_do_lookupp(rqstp, &cstate->current_fh); |
| 793 | if (err) |
| 794 | return err; |
| 795 | break; |
| 796 | default: |
| 797 | return nfserr_inval; |
| 798 | } |
| 799 | exp_get(cstate->current_fh.fh_export); |
| 800 | sin->sin_exp = cstate->current_fh.fh_export; |
| 801 | fh_put(&cstate->current_fh); |
| 802 | return nfs_ok; |
| 803 | } |
| 804 | |
| 805 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 806 | nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 807 | struct nfsd4_setattr *setattr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | { |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 809 | __be32 status = nfs_ok; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | if (setattr->sa_iattr.ia_valid & ATTR_SIZE) { |
| 812 | nfs4_lock_state(); |
Benny Halevy | dd453df | 2009-04-03 08:28:41 +0300 | [diff] [blame] | 813 | status = nfs4_preprocess_stateid_op(cstate, |
J. Bruce Fields | 6150ef0 | 2009-02-21 13:36:16 -0800 | [diff] [blame] | 814 | &setattr->sa_stateid, WR_STATE, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | nfs4_unlock_state(); |
J. Bruce Fields | 375c554 | 2006-01-18 17:43:33 -0800 | [diff] [blame] | 816 | if (status) { |
Greg Banks | 3e3b480 | 2006-10-02 02:17:41 -0700 | [diff] [blame] | 817 | dprintk("NFSD: nfsd4_setattr: couldn't process stateid!\n"); |
J. Bruce Fields | 375c554 | 2006-01-18 17:43:33 -0800 | [diff] [blame] | 818 | return status; |
| 819 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 820 | } |
Dave Hansen | 18f335a | 2008-02-15 14:37:38 -0800 | [diff] [blame] | 821 | status = mnt_want_write(cstate->current_fh.fh_export->ex_path.mnt); |
| 822 | if (status) |
| 823 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | status = nfs_ok; |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 825 | |
| 826 | status = check_attr_support(rqstp, cstate, setattr->sa_bmval, |
| 827 | nfsd_attrmask); |
| 828 | if (status) |
| 829 | goto out; |
| 830 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | if (setattr->sa_acl != NULL) |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 832 | status = nfsd4_set_nfs4_acl(rqstp, &cstate->current_fh, |
| 833 | setattr->sa_acl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | if (status) |
Dave Hansen | 18f335a | 2008-02-15 14:37:38 -0800 | [diff] [blame] | 835 | goto out; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 836 | status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | 0, (time_t)0); |
Dave Hansen | 18f335a | 2008-02-15 14:37:38 -0800 | [diff] [blame] | 838 | out: |
| 839 | mnt_drop_write(cstate->current_fh.fh_export->ex_path.mnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | return status; |
| 841 | } |
| 842 | |
J.Bruce Fields | 7191155 | 2006-12-13 00:35:29 -0800 | [diff] [blame] | 843 | static __be32 |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 844 | nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 845 | struct nfsd4_write *write) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | { |
| 847 | stateid_t *stateid = &write->wr_stateid; |
| 848 | struct file *filp = NULL; |
| 849 | u32 *p; |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 850 | __be32 status = nfs_ok; |
David Shaw | 31dec25 | 2009-03-05 20:16:14 -0500 | [diff] [blame] | 851 | unsigned long cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | |
| 853 | /* no need to check permission - this will be done in nfsd_write() */ |
| 854 | |
| 855 | if (write->wr_offset >= OFFSET_MAX) |
| 856 | return nfserr_inval; |
| 857 | |
| 858 | nfs4_lock_state(); |
Benny Halevy | dd453df | 2009-04-03 08:28:41 +0300 | [diff] [blame] | 859 | status = nfs4_preprocess_stateid_op(cstate, stateid, WR_STATE, &filp); |
NeilBrown | 7e06b7f | 2005-06-23 22:03:13 -0700 | [diff] [blame] | 860 | if (filp) |
| 861 | get_file(filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 862 | nfs4_unlock_state(); |
| 863 | |
J. Bruce Fields | 375c554 | 2006-01-18 17:43:33 -0800 | [diff] [blame] | 864 | if (status) { |
| 865 | dprintk("NFSD: nfsd4_write: couldn't process stateid!\n"); |
| 866 | return status; |
| 867 | } |
| 868 | |
David Shaw | 31dec25 | 2009-03-05 20:16:14 -0500 | [diff] [blame] | 869 | cnt = write->wr_buflen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 870 | write->wr_how_written = write->wr_stable_how; |
| 871 | p = (u32 *)write->wr_verifier.data; |
| 872 | *p++ = nfssvc_boot.tv_sec; |
| 873 | *p++ = nfssvc_boot.tv_usec; |
| 874 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 875 | status = nfsd_write(rqstp, &cstate->current_fh, filp, |
| 876 | write->wr_offset, rqstp->rq_vec, write->wr_vlen, |
David Shaw | 31dec25 | 2009-03-05 20:16:14 -0500 | [diff] [blame] | 877 | &cnt, &write->wr_how_written); |
NeilBrown | 7e06b7f | 2005-06-23 22:03:13 -0700 | [diff] [blame] | 878 | if (filp) |
| 879 | fput(filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | |
David Shaw | 31dec25 | 2009-03-05 20:16:14 -0500 | [diff] [blame] | 881 | write->wr_bytes_written = cnt; |
| 882 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 883 | if (status == nfserr_symlink) |
| 884 | status = nfserr_inval; |
| 885 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 886 | } |
| 887 | |
| 888 | /* This routine never returns NFS_OK! If there are no other errors, it |
| 889 | * will return NFSERR_SAME or NFSERR_NOT_SAME depending on whether the |
| 890 | * attributes matched. VERIFY is implemented by mapping NFSERR_SAME |
| 891 | * to NFS_OK after the call; NVERIFY by mapping NFSERR_NOT_SAME to NFS_OK. |
| 892 | */ |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 893 | static __be32 |
J.Bruce Fields | c954e2a | 2006-12-13 00:35:31 -0800 | [diff] [blame] | 894 | _nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 895 | struct nfsd4_verify *verify) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 896 | { |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 897 | __be32 *buf, *p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | int count; |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 899 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 900 | |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 901 | status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | if (status) |
| 903 | return status; |
| 904 | |
Yu Zhiguo | 3c8e031 | 2009-05-16 16:22:31 +0800 | [diff] [blame] | 905 | status = check_attr_support(rqstp, cstate, verify->ve_bmval, NULL); |
| 906 | if (status) |
| 907 | return status; |
| 908 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | if ((verify->ve_bmval[0] & FATTR4_WORD0_RDATTR_ERROR) |
| 910 | || (verify->ve_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1)) |
| 911 | return nfserr_inval; |
| 912 | if (verify->ve_attrlen & 3) |
| 913 | return nfserr_inval; |
| 914 | |
| 915 | /* count in words: |
| 916 | * bitmap_len(1) + bitmap(2) + attr_len(1) = 4 |
| 917 | */ |
| 918 | count = 4 + (verify->ve_attrlen >> 2); |
| 919 | buf = kmalloc(count << 2, GFP_KERNEL); |
| 920 | if (!buf) |
| 921 | return nfserr_resource; |
| 922 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 923 | status = nfsd4_encode_fattr(&cstate->current_fh, |
| 924 | cstate->current_fh.fh_export, |
| 925 | cstate->current_fh.fh_dentry, buf, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | &count, verify->ve_bmval, |
Frank Filz | 406a7ea | 2007-11-27 11:34:05 -0800 | [diff] [blame] | 927 | rqstp, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | |
| 929 | /* this means that nfsd4_encode_fattr() ran out of space */ |
| 930 | if (status == nfserr_resource && count == 0) |
| 931 | status = nfserr_not_same; |
| 932 | if (status) |
| 933 | goto out_kfree; |
| 934 | |
Benny Halevy | 95ec28c | 2009-04-03 08:29:08 +0300 | [diff] [blame] | 935 | /* skip bitmap */ |
| 936 | p = buf + 1 + ntohl(buf[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | status = nfserr_not_same; |
| 938 | if (ntohl(*p++) != verify->ve_attrlen) |
| 939 | goto out_kfree; |
| 940 | if (!memcmp(p, verify->ve_attrval, verify->ve_attrlen)) |
| 941 | status = nfserr_same; |
| 942 | |
| 943 | out_kfree: |
| 944 | kfree(buf); |
| 945 | return status; |
| 946 | } |
| 947 | |
J.Bruce Fields | c954e2a | 2006-12-13 00:35:31 -0800 | [diff] [blame] | 948 | static __be32 |
| 949 | nfsd4_nverify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 950 | struct nfsd4_verify *verify) |
| 951 | { |
| 952 | __be32 status; |
| 953 | |
| 954 | status = _nfsd4_verify(rqstp, cstate, verify); |
| 955 | return status == nfserr_not_same ? nfs_ok : status; |
| 956 | } |
| 957 | |
| 958 | static __be32 |
| 959 | nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
| 960 | struct nfsd4_verify *verify) |
| 961 | { |
| 962 | __be32 status; |
| 963 | |
| 964 | status = _nfsd4_verify(rqstp, cstate, verify); |
| 965 | return status == nfserr_same ? nfs_ok : status; |
| 966 | } |
| 967 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | /* |
| 969 | * NULL call. |
| 970 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 971 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 972 | nfsd4_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) |
| 973 | { |
| 974 | return nfs_ok; |
| 975 | } |
| 976 | |
Shankar Anand | e2b2095 | 2006-07-10 04:45:44 -0700 | [diff] [blame] | 977 | static inline void nfsd4_increment_op_stats(u32 opnum) |
| 978 | { |
| 979 | if (opnum >= FIRST_NFS4_OP && opnum <= LAST_NFS4_OP) |
| 980 | nfsdstats.nfs4_opcount[opnum]++; |
| 981 | } |
| 982 | |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 983 | typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, |
| 984 | void *); |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 985 | enum nfsd4_op_flags { |
| 986 | ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */ |
Mi Jinlong | 5ece3ca | 2011-02-18 09:08:31 +0800 | [diff] [blame] | 987 | ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */ |
| 988 | ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */ |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 989 | }; |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 990 | |
| 991 | struct nfsd4_operation { |
| 992 | nfsd4op_func op_func; |
| 993 | u32 op_flags; |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 994 | char *op_name; |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 995 | }; |
| 996 | |
| 997 | static struct nfsd4_operation nfsd4_ops[]; |
| 998 | |
Adrian Bunk | f1c7f79 | 2008-08-08 19:26:42 +0300 | [diff] [blame] | 999 | static const char *nfsd4_op_name(unsigned opnum); |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1000 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | /* |
J. Bruce Fields | 5771635 | 2010-04-21 12:27:19 -0400 | [diff] [blame] | 1002 | * Enforce NFSv4.1 COMPOUND ordering rules: |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1003 | * |
J. Bruce Fields | 5771635 | 2010-04-21 12:27:19 -0400 | [diff] [blame] | 1004 | * Also note, enforced elsewhere: |
| 1005 | * - SEQUENCE other than as first op results in |
| 1006 | * NFS4ERR_SEQUENCE_POS. (Enforced in nfsd4_sequence().) |
J. Bruce Fields | 1d1bc8f | 2010-10-04 23:12:59 -0400 | [diff] [blame] | 1007 | * - BIND_CONN_TO_SESSION must be the only op in its compound. |
| 1008 | * (Enforced in nfsd4_bind_conn_to_session().) |
J. Bruce Fields | 5771635 | 2010-04-21 12:27:19 -0400 | [diff] [blame] | 1009 | * - DESTROY_SESSION must be the final operation in a compound, if |
| 1010 | * sessionid's in SEQUENCE and DESTROY_SESSION are the same. |
| 1011 | * (Enforced in nfsd4_destroy_session().) |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1012 | */ |
J. Bruce Fields | 5771635 | 2010-04-21 12:27:19 -0400 | [diff] [blame] | 1013 | static __be32 nfs41_check_op_ordering(struct nfsd4_compoundargs *args) |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1014 | { |
J. Bruce Fields | 5771635 | 2010-04-21 12:27:19 -0400 | [diff] [blame] | 1015 | struct nfsd4_op *op = &args->ops[0]; |
| 1016 | |
| 1017 | /* These ordering requirements don't apply to NFSv4.0: */ |
| 1018 | if (args->minorversion == 0) |
| 1019 | return nfs_ok; |
| 1020 | /* This is weird, but OK, not our problem: */ |
| 1021 | if (args->opcnt == 0) |
| 1022 | return nfs_ok; |
| 1023 | if (op->status == nfserr_op_illegal) |
| 1024 | return nfs_ok; |
| 1025 | if (!(nfsd4_ops[op->opnum].op_flags & ALLOWED_AS_FIRST_OP)) |
| 1026 | return nfserr_op_not_in_session; |
| 1027 | if (op->opnum == OP_SEQUENCE) |
| 1028 | return nfs_ok; |
| 1029 | if (args->opcnt != 1) |
| 1030 | return nfserr_not_only_op; |
| 1031 | return nfs_ok; |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1032 | } |
| 1033 | |
| 1034 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | * COMPOUND call. |
| 1036 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 1037 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | nfsd4_proc_compound(struct svc_rqst *rqstp, |
| 1039 | struct nfsd4_compoundargs *args, |
| 1040 | struct nfsd4_compoundres *resp) |
| 1041 | { |
| 1042 | struct nfsd4_op *op; |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1043 | struct nfsd4_operation *opdesc; |
Andy Adamson | e354d57 | 2009-03-28 11:30:52 +0300 | [diff] [blame] | 1044 | struct nfsd4_compound_state *cstate = &resp->cstate; |
J.Bruce Fields | e571019 | 2006-12-13 00:35:20 -0800 | [diff] [blame] | 1045 | int slack_bytes; |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 1046 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1047 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | resp->xbuf = &rqstp->rq_res; |
Andy Adamson | e354d57 | 2009-03-28 11:30:52 +0300 | [diff] [blame] | 1049 | resp->p = rqstp->rq_res.head[0].iov_base + |
| 1050 | rqstp->rq_res.head[0].iov_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1051 | resp->tagp = resp->p; |
| 1052 | /* reserve space for: taglen, tag, and opcnt */ |
| 1053 | resp->p += 2 + XDR_QUADLEN(args->taglen); |
| 1054 | resp->end = rqstp->rq_res.head[0].iov_base + PAGE_SIZE; |
| 1055 | resp->taglen = args->taglen; |
| 1056 | resp->tag = args->tag; |
| 1057 | resp->opcnt = 0; |
| 1058 | resp->rqstp = rqstp; |
Andy Adamson | d87a8ad | 2009-04-03 08:28:53 +0300 | [diff] [blame] | 1059 | resp->cstate.minorversion = args->minorversion; |
Andy Adamson | e354d57 | 2009-03-28 11:30:52 +0300 | [diff] [blame] | 1060 | resp->cstate.replay_owner = NULL; |
J. Bruce Fields | 26c0c75 | 2010-04-24 15:35:43 -0400 | [diff] [blame] | 1061 | resp->cstate.session = NULL; |
Andy Adamson | e354d57 | 2009-03-28 11:30:52 +0300 | [diff] [blame] | 1062 | fh_init(&resp->cstate.current_fh, NFS4_FHSIZE); |
| 1063 | fh_init(&resp->cstate.save_fh, NFS4_FHSIZE); |
NeilBrown | 8ff30fa | 2010-08-12 17:04:07 +1000 | [diff] [blame] | 1064 | /* |
| 1065 | * Don't use the deferral mechanism for NFSv4; compounds make it |
| 1066 | * too hard to avoid non-idempotency problems. |
| 1067 | */ |
| 1068 | rqstp->rq_usedeferral = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1069 | |
| 1070 | /* |
| 1071 | * According to RFC3010, this takes precedence over all other errors. |
| 1072 | */ |
| 1073 | status = nfserr_minor_vers_mismatch; |
Benny Halevy | 8daf220 | 2009-04-03 08:28:59 +0300 | [diff] [blame] | 1074 | if (args->minorversion > nfsd_supported_minorversion) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1075 | goto out; |
| 1076 | |
J. Bruce Fields | 5771635 | 2010-04-21 12:27:19 -0400 | [diff] [blame] | 1077 | status = nfs41_check_op_ordering(args); |
| 1078 | if (status) { |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1079 | op = &args->ops[0]; |
J. Bruce Fields | 5771635 | 2010-04-21 12:27:19 -0400 | [diff] [blame] | 1080 | op->status = status; |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1081 | goto encode_op; |
| 1082 | } |
| 1083 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | while (!status && resp->opcnt < args->opcnt) { |
| 1085 | op = &args->ops[resp->opcnt++]; |
| 1086 | |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1087 | dprintk("nfsv4 compound op #%d/%d: %d (%s)\n", |
| 1088 | resp->opcnt, args->opcnt, op->opnum, |
| 1089 | nfsd4_op_name(op->opnum)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | /* |
| 1091 | * The XDR decode routines may have pre-set op->status; |
| 1092 | * for example, if there is a miscellaneous XDR error |
| 1093 | * it will be set to nfserr_bad_xdr. |
| 1094 | */ |
| 1095 | if (op->status) |
| 1096 | goto encode_op; |
| 1097 | |
| 1098 | /* We must be able to encode a successful response to |
| 1099 | * this operation, with enough room left over to encode a |
| 1100 | * failed response to the next operation. If we don't |
| 1101 | * have enough room, fail with ERR_RESOURCE. |
| 1102 | */ |
J.Bruce Fields | e571019 | 2006-12-13 00:35:20 -0800 | [diff] [blame] | 1103 | slack_bytes = (char *)resp->end - (char *)resp->p; |
| 1104 | if (slack_bytes < COMPOUND_SLACK_SPACE |
| 1105 | + COMPOUND_ERR_SLACK_SPACE) { |
| 1106 | BUG_ON(slack_bytes < COMPOUND_ERR_SLACK_SPACE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | op->status = nfserr_resource; |
| 1108 | goto encode_op; |
| 1109 | } |
| 1110 | |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1111 | opdesc = &nfsd4_ops[op->opnum]; |
| 1112 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 1113 | if (!cstate->current_fh.fh_dentry) { |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1114 | if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) { |
J.Bruce Fields | 42ca099 | 2006-10-04 02:16:20 -0700 | [diff] [blame] | 1115 | op->status = nfserr_nofilehandle; |
| 1116 | goto encode_op; |
| 1117 | } |
J.Bruce Fields | eeac294 | 2006-12-13 00:35:39 -0800 | [diff] [blame] | 1118 | } else if (cstate->current_fh.fh_export->ex_fslocs.migrated && |
| 1119 | !(opdesc->op_flags & ALLOWED_ON_ABSENT_FS)) { |
J.Bruce Fields | 42ca099 | 2006-10-04 02:16:20 -0700 | [diff] [blame] | 1120 | op->status = nfserr_moved; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1121 | goto encode_op; |
| 1122 | } |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1123 | |
| 1124 | if (opdesc->op_func) |
| 1125 | op->status = opdesc->op_func(rqstp, cstate, &op->u); |
| 1126 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1127 | BUG_ON(op->status == nfs_ok); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1128 | |
| 1129 | encode_op: |
Andy Adamson | 49557cc | 2009-07-23 19:02:16 -0400 | [diff] [blame] | 1130 | /* Only from SEQUENCE */ |
Andy Adamson | da3846a | 2009-04-03 08:28:22 +0300 | [diff] [blame] | 1131 | if (resp->cstate.status == nfserr_replay_cache) { |
| 1132 | dprintk("%s NFS4.1 replay from cache\n", __func__); |
Andy Adamson | abfabf8 | 2009-07-23 19:02:18 -0400 | [diff] [blame] | 1133 | status = op->status; |
Andy Adamson | da3846a | 2009-04-03 08:28:22 +0300 | [diff] [blame] | 1134 | goto out; |
| 1135 | } |
Al Viro | a90b061 | 2006-10-19 23:29:03 -0700 | [diff] [blame] | 1136 | if (op->status == nfserr_replay_me) { |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 1137 | op->replay = &cstate->replay_owner->so_replay; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | nfsd4_encode_replay(resp, op); |
| 1139 | status = op->status = op->replay->rp_status; |
| 1140 | } else { |
| 1141 | nfsd4_encode_operation(resp, op); |
| 1142 | status = op->status; |
| 1143 | } |
Benny Halevy | 0407717 | 2008-12-15 19:40:49 +0200 | [diff] [blame] | 1144 | |
| 1145 | dprintk("nfsv4 compound op %p opcnt %d #%d: %d: status %d\n", |
| 1146 | args->ops, args->opcnt, resp->opcnt, op->opnum, |
| 1147 | be32_to_cpu(status)); |
| 1148 | |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 1149 | if (cstate->replay_owner) { |
| 1150 | nfs4_put_stateowner(cstate->replay_owner); |
| 1151 | cstate->replay_owner = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | } |
NeilBrown | 7e06b7f | 2005-06-23 22:03:13 -0700 | [diff] [blame] | 1153 | /* XXX Ugh, we need to get rid of this kind of special case: */ |
| 1154 | if (op->opnum == OP_READ && op->u.read.rd_filp) |
| 1155 | fput(op->u.read.rd_filp); |
Shankar Anand | e2b2095 | 2006-07-10 04:45:44 -0700 | [diff] [blame] | 1156 | |
| 1157 | nfsd4_increment_op_stats(op->opnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1158 | } |
| 1159 | |
Andy Adamson | da3846a | 2009-04-03 08:28:22 +0300 | [diff] [blame] | 1160 | resp->cstate.status = status; |
Andy Adamson | e354d57 | 2009-03-28 11:30:52 +0300 | [diff] [blame] | 1161 | fh_put(&resp->cstate.current_fh); |
| 1162 | fh_put(&resp->cstate.save_fh); |
| 1163 | BUG_ON(resp->cstate.replay_owner); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | out: |
| 1165 | nfsd4_release_compoundargs(args); |
Andy Adamson | 2f42587 | 2009-04-03 08:27:32 +0300 | [diff] [blame] | 1166 | /* Reset deferral mechanism for RPC deferrals */ |
| 1167 | rqstp->rq_usedeferral = 1; |
J. Bruce Fields | 3b12cd9 | 2008-05-05 17:17:44 -0400 | [diff] [blame] | 1168 | dprintk("nfsv4 compound returned %d\n", ntohl(status)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1169 | return status; |
| 1170 | } |
| 1171 | |
Benny Halevy | 2076601 | 2009-03-28 11:32:05 +0300 | [diff] [blame] | 1172 | static struct nfsd4_operation nfsd4_ops[] = { |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1173 | [OP_ACCESS] = { |
| 1174 | .op_func = (nfsd4op_func)nfsd4_access, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1175 | .op_name = "OP_ACCESS", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1176 | }, |
| 1177 | [OP_CLOSE] = { |
| 1178 | .op_func = (nfsd4op_func)nfsd4_close, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1179 | .op_name = "OP_CLOSE", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1180 | }, |
| 1181 | [OP_COMMIT] = { |
| 1182 | .op_func = (nfsd4op_func)nfsd4_commit, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1183 | .op_name = "OP_COMMIT", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1184 | }, |
| 1185 | [OP_CREATE] = { |
| 1186 | .op_func = (nfsd4op_func)nfsd4_create, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1187 | .op_name = "OP_CREATE", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1188 | }, |
| 1189 | [OP_DELEGRETURN] = { |
| 1190 | .op_func = (nfsd4op_func)nfsd4_delegreturn, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1191 | .op_name = "OP_DELEGRETURN", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1192 | }, |
| 1193 | [OP_GETATTR] = { |
| 1194 | .op_func = (nfsd4op_func)nfsd4_getattr, |
J.Bruce Fields | eeac294 | 2006-12-13 00:35:39 -0800 | [diff] [blame] | 1195 | .op_flags = ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1196 | .op_name = "OP_GETATTR", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1197 | }, |
| 1198 | [OP_GETFH] = { |
| 1199 | .op_func = (nfsd4op_func)nfsd4_getfh, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1200 | .op_name = "OP_GETFH", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1201 | }, |
| 1202 | [OP_LINK] = { |
| 1203 | .op_func = (nfsd4op_func)nfsd4_link, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1204 | .op_name = "OP_LINK", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1205 | }, |
| 1206 | [OP_LOCK] = { |
| 1207 | .op_func = (nfsd4op_func)nfsd4_lock, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1208 | .op_name = "OP_LOCK", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1209 | }, |
| 1210 | [OP_LOCKT] = { |
| 1211 | .op_func = (nfsd4op_func)nfsd4_lockt, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1212 | .op_name = "OP_LOCKT", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1213 | }, |
| 1214 | [OP_LOCKU] = { |
| 1215 | .op_func = (nfsd4op_func)nfsd4_locku, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1216 | .op_name = "OP_LOCKU", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1217 | }, |
| 1218 | [OP_LOOKUP] = { |
| 1219 | .op_func = (nfsd4op_func)nfsd4_lookup, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1220 | .op_name = "OP_LOOKUP", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1221 | }, |
| 1222 | [OP_LOOKUPP] = { |
| 1223 | .op_func = (nfsd4op_func)nfsd4_lookupp, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1224 | .op_name = "OP_LOOKUPP", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1225 | }, |
| 1226 | [OP_NVERIFY] = { |
| 1227 | .op_func = (nfsd4op_func)nfsd4_nverify, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1228 | .op_name = "OP_NVERIFY", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1229 | }, |
| 1230 | [OP_OPEN] = { |
| 1231 | .op_func = (nfsd4op_func)nfsd4_open, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1232 | .op_name = "OP_OPEN", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1233 | }, |
| 1234 | [OP_OPEN_CONFIRM] = { |
| 1235 | .op_func = (nfsd4op_func)nfsd4_open_confirm, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1236 | .op_name = "OP_OPEN_CONFIRM", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1237 | }, |
| 1238 | [OP_OPEN_DOWNGRADE] = { |
| 1239 | .op_func = (nfsd4op_func)nfsd4_open_downgrade, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1240 | .op_name = "OP_OPEN_DOWNGRADE", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1241 | }, |
| 1242 | [OP_PUTFH] = { |
| 1243 | .op_func = (nfsd4op_func)nfsd4_putfh, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1244 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1245 | .op_name = "OP_PUTFH", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1246 | }, |
J.Bruce Fields | eeac294 | 2006-12-13 00:35:39 -0800 | [diff] [blame] | 1247 | [OP_PUTPUBFH] = { |
J. Bruce Fields | a1c8c4d | 2009-03-09 12:17:29 -0400 | [diff] [blame] | 1248 | .op_func = (nfsd4op_func)nfsd4_putrootfh, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1249 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1250 | .op_name = "OP_PUTPUBFH", |
J.Bruce Fields | eeac294 | 2006-12-13 00:35:39 -0800 | [diff] [blame] | 1251 | }, |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1252 | [OP_PUTROOTFH] = { |
| 1253 | .op_func = (nfsd4op_func)nfsd4_putrootfh, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1254 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1255 | .op_name = "OP_PUTROOTFH", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1256 | }, |
| 1257 | [OP_READ] = { |
| 1258 | .op_func = (nfsd4op_func)nfsd4_read, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1259 | .op_name = "OP_READ", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1260 | }, |
| 1261 | [OP_READDIR] = { |
| 1262 | .op_func = (nfsd4op_func)nfsd4_readdir, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1263 | .op_name = "OP_READDIR", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1264 | }, |
| 1265 | [OP_READLINK] = { |
| 1266 | .op_func = (nfsd4op_func)nfsd4_readlink, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1267 | .op_name = "OP_READLINK", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1268 | }, |
| 1269 | [OP_REMOVE] = { |
| 1270 | .op_func = (nfsd4op_func)nfsd4_remove, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1271 | .op_name = "OP_REMOVE", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1272 | }, |
| 1273 | [OP_RENAME] = { |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1274 | .op_name = "OP_RENAME", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1275 | .op_func = (nfsd4op_func)nfsd4_rename, |
| 1276 | }, |
| 1277 | [OP_RENEW] = { |
| 1278 | .op_func = (nfsd4op_func)nfsd4_renew, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1279 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1280 | .op_name = "OP_RENEW", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1281 | }, |
| 1282 | [OP_RESTOREFH] = { |
| 1283 | .op_func = (nfsd4op_func)nfsd4_restorefh, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1284 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1285 | .op_name = "OP_RESTOREFH", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1286 | }, |
| 1287 | [OP_SAVEFH] = { |
| 1288 | .op_func = (nfsd4op_func)nfsd4_savefh, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1289 | .op_name = "OP_SAVEFH", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1290 | }, |
Andy Adamson | dcb488a | 2007-07-17 04:04:51 -0700 | [diff] [blame] | 1291 | [OP_SECINFO] = { |
| 1292 | .op_func = (nfsd4op_func)nfsd4_secinfo, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1293 | .op_name = "OP_SECINFO", |
Andy Adamson | dcb488a | 2007-07-17 04:04:51 -0700 | [diff] [blame] | 1294 | }, |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1295 | [OP_SETATTR] = { |
| 1296 | .op_func = (nfsd4op_func)nfsd4_setattr, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1297 | .op_name = "OP_SETATTR", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1298 | }, |
| 1299 | [OP_SETCLIENTID] = { |
| 1300 | .op_func = (nfsd4op_func)nfsd4_setclientid, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1301 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1302 | .op_name = "OP_SETCLIENTID", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1303 | }, |
| 1304 | [OP_SETCLIENTID_CONFIRM] = { |
| 1305 | .op_func = (nfsd4op_func)nfsd4_setclientid_confirm, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1306 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1307 | .op_name = "OP_SETCLIENTID_CONFIRM", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1308 | }, |
| 1309 | [OP_VERIFY] = { |
| 1310 | .op_func = (nfsd4op_func)nfsd4_verify, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1311 | .op_name = "OP_VERIFY", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1312 | }, |
| 1313 | [OP_WRITE] = { |
| 1314 | .op_func = (nfsd4op_func)nfsd4_write, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1315 | .op_name = "OP_WRITE", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1316 | }, |
| 1317 | [OP_RELEASE_LOCKOWNER] = { |
| 1318 | .op_func = (nfsd4op_func)nfsd4_release_lockowner, |
J.Bruce Fields | 27d630e | 2006-12-13 00:35:43 -0800 | [diff] [blame] | 1319 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1320 | .op_name = "OP_RELEASE_LOCKOWNER", |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1321 | }, |
Andy Adamson | 069b6ad | 2009-04-03 08:27:58 +0300 | [diff] [blame] | 1322 | |
| 1323 | /* NFSv4.1 operations */ |
| 1324 | [OP_EXCHANGE_ID] = { |
| 1325 | .op_func = (nfsd4op_func)nfsd4_exchange_id, |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1326 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
Andy Adamson | 069b6ad | 2009-04-03 08:27:58 +0300 | [diff] [blame] | 1327 | .op_name = "OP_EXCHANGE_ID", |
| 1328 | }, |
J. Bruce Fields | 1d1bc8f | 2010-10-04 23:12:59 -0400 | [diff] [blame] | 1329 | [OP_BIND_CONN_TO_SESSION] = { |
| 1330 | .op_func = (nfsd4op_func)nfsd4_bind_conn_to_session, |
| 1331 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
| 1332 | .op_name = "OP_BIND_CONN_TO_SESSION", |
| 1333 | }, |
Andy Adamson | 069b6ad | 2009-04-03 08:27:58 +0300 | [diff] [blame] | 1334 | [OP_CREATE_SESSION] = { |
| 1335 | .op_func = (nfsd4op_func)nfsd4_create_session, |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1336 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
Andy Adamson | 069b6ad | 2009-04-03 08:27:58 +0300 | [diff] [blame] | 1337 | .op_name = "OP_CREATE_SESSION", |
| 1338 | }, |
| 1339 | [OP_DESTROY_SESSION] = { |
| 1340 | .op_func = (nfsd4op_func)nfsd4_destroy_session, |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1341 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
Andy Adamson | 069b6ad | 2009-04-03 08:27:58 +0300 | [diff] [blame] | 1342 | .op_name = "OP_DESTROY_SESSION", |
| 1343 | }, |
| 1344 | [OP_SEQUENCE] = { |
| 1345 | .op_func = (nfsd4op_func)nfsd4_sequence, |
Andy Adamson | f9bb94c | 2009-04-03 08:28:12 +0300 | [diff] [blame] | 1346 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP, |
Andy Adamson | 069b6ad | 2009-04-03 08:27:58 +0300 | [diff] [blame] | 1347 | .op_name = "OP_SEQUENCE", |
| 1348 | }, |
J. Bruce Fields | 4dc6ec0 | 2010-04-19 15:11:28 -0400 | [diff] [blame] | 1349 | [OP_RECLAIM_COMPLETE] = { |
| 1350 | .op_func = (nfsd4op_func)nfsd4_reclaim_complete, |
| 1351 | .op_flags = ALLOWED_WITHOUT_FH, |
| 1352 | .op_name = "OP_RECLAIM_COMPLETE", |
| 1353 | }, |
J. Bruce Fields | 04f4ad1 | 2010-12-16 09:51:13 -0500 | [diff] [blame] | 1354 | [OP_SECINFO_NO_NAME] = { |
| 1355 | .op_func = (nfsd4op_func)nfsd4_secinfo_no_name, |
| 1356 | .op_name = "OP_SECINFO_NO_NAME", |
| 1357 | }, |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 1358 | }; |
| 1359 | |
Adrian Bunk | f1c7f79 | 2008-08-08 19:26:42 +0300 | [diff] [blame] | 1360 | static const char *nfsd4_op_name(unsigned opnum) |
Benny Halevy | b001a1b | 2008-07-02 11:15:03 +0300 | [diff] [blame] | 1361 | { |
| 1362 | if (opnum < ARRAY_SIZE(nfsd4_ops)) |
| 1363 | return nfsd4_ops[opnum].op_name; |
| 1364 | return "unknown_operation"; |
| 1365 | } |
| 1366 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | #define nfsd4_voidres nfsd4_voidargs |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1368 | struct nfsd4_voidargs { int dummy; }; |
| 1369 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1370 | /* |
| 1371 | * TODO: At the present time, the NFSv4 server does not do XID caching |
| 1372 | * of requests. Implementing XID caching would not be a serious problem, |
| 1373 | * although it would require a mild change in interfaces since one |
| 1374 | * doesn't know whether an NFSv4 request is idempotent until after the |
| 1375 | * XDR decode. However, XID caching totally confuses pynfs (Peter |
| 1376 | * Astrand's regression testsuite for NFSv4 servers), which reuses |
| 1377 | * XID's liberally, so I've left it unimplemented until pynfs generates |
| 1378 | * better XID's. |
| 1379 | */ |
| 1380 | static struct svc_procedure nfsd_procedures4[2] = { |
Yu Zhiguo | 0a93a47 | 2009-05-19 14:09:54 +0800 | [diff] [blame] | 1381 | [NFSPROC4_NULL] = { |
| 1382 | .pc_func = (svc_procfunc) nfsd4_proc_null, |
| 1383 | .pc_encode = (kxdrproc_t) nfs4svc_encode_voidres, |
| 1384 | .pc_argsize = sizeof(struct nfsd4_voidargs), |
| 1385 | .pc_ressize = sizeof(struct nfsd4_voidres), |
| 1386 | .pc_cachetype = RC_NOCACHE, |
| 1387 | .pc_xdrressize = 1, |
| 1388 | }, |
| 1389 | [NFSPROC4_COMPOUND] = { |
| 1390 | .pc_func = (svc_procfunc) nfsd4_proc_compound, |
| 1391 | .pc_decode = (kxdrproc_t) nfs4svc_decode_compoundargs, |
| 1392 | .pc_encode = (kxdrproc_t) nfs4svc_encode_compoundres, |
| 1393 | .pc_argsize = sizeof(struct nfsd4_compoundargs), |
| 1394 | .pc_ressize = sizeof(struct nfsd4_compoundres), |
| 1395 | .pc_cachetype = RC_NOCACHE, |
| 1396 | .pc_xdrressize = NFSD_BUFSIZE/4, |
| 1397 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1398 | }; |
| 1399 | |
| 1400 | struct svc_version nfsd_version4 = { |
| 1401 | .vs_vers = 4, |
| 1402 | .vs_nproc = 2, |
| 1403 | .vs_proc = nfsd_procedures4, |
| 1404 | .vs_dispatch = nfsd_dispatch, |
| 1405 | .vs_xdrsize = NFS4_SVC_XDRSIZE, |
| 1406 | }; |
| 1407 | |
| 1408 | /* |
| 1409 | * Local variables: |
| 1410 | * c-basic-offset: 8 |
| 1411 | * End: |
| 1412 | */ |