Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/fs/nfsd/nfs3proc.c |
| 3 | * |
| 4 | * Process version 3 NFS requests. |
| 5 | * |
| 6 | * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de> |
| 7 | */ |
| 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | #include <linux/fs.h> |
| 10 | #include <linux/ext2_fs.h> |
Qinghuang Feng | 12214cb | 2009-01-12 03:13:53 +0800 | [diff] [blame] | 11 | #include <linux/magic.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | |
Boaz Harrosh | 9a74af2 | 2009-12-03 20:30:56 +0200 | [diff] [blame] | 13 | #include "cache.h" |
| 14 | #include "xdr3.h" |
J. Bruce Fields | 0a3adad | 2009-11-04 18:12:35 -0500 | [diff] [blame] | 15 | #include "vfs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | |
| 17 | #define NFSDDBG_FACILITY NFSDDBG_PROC |
| 18 | |
| 19 | #define RETURN_STATUS(st) { resp->status = (st); return (st); } |
| 20 | |
| 21 | static int nfs3_ftypes[] = { |
| 22 | 0, /* NF3NON */ |
| 23 | S_IFREG, /* NF3REG */ |
| 24 | S_IFDIR, /* NF3DIR */ |
| 25 | S_IFBLK, /* NF3BLK */ |
| 26 | S_IFCHR, /* NF3CHR */ |
| 27 | S_IFLNK, /* NF3LNK */ |
| 28 | S_IFSOCK, /* NF3SOCK */ |
| 29 | S_IFIFO, /* NF3FIFO */ |
| 30 | }; |
| 31 | |
| 32 | /* |
| 33 | * NULL call. |
| 34 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 35 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | nfsd3_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) |
| 37 | { |
| 38 | return nfs_ok; |
| 39 | } |
| 40 | |
| 41 | /* |
| 42 | * Get a file's attributes |
| 43 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 44 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp, |
| 46 | struct nfsd3_attrstat *resp) |
| 47 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 48 | int err; |
| 49 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
| 51 | dprintk("nfsd: GETATTR(3) %s\n", |
David Shaw | a334de2 | 2006-01-06 00:19:58 -0800 | [diff] [blame] | 52 | SVCFH_fmt(&argp->fh)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
| 54 | fh_copy(&resp->fh, &argp->fh); |
J. Bruce Fields | 04716e6 | 2008-08-07 13:00:20 -0400 | [diff] [blame] | 55 | nfserr = fh_verify(rqstp, &resp->fh, 0, |
| 56 | NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT); |
David Shaw | a334de2 | 2006-01-06 00:19:58 -0800 | [diff] [blame] | 57 | if (nfserr) |
| 58 | RETURN_STATUS(nfserr); |
| 59 | |
Jan Blunck | 5477549 | 2008-02-14 19:38:39 -0800 | [diff] [blame] | 60 | err = vfs_getattr(resp->fh.fh_export->ex_path.mnt, |
David Shaw | a334de2 | 2006-01-06 00:19:58 -0800 | [diff] [blame] | 61 | resp->fh.fh_dentry, &resp->stat); |
| 62 | nfserr = nfserrno(err); |
| 63 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | RETURN_STATUS(nfserr); |
| 65 | } |
| 66 | |
| 67 | /* |
| 68 | * Set a file's attributes |
| 69 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 70 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | nfsd3_proc_setattr(struct svc_rqst *rqstp, struct nfsd3_sattrargs *argp, |
| 72 | struct nfsd3_attrstat *resp) |
| 73 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 74 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
| 76 | dprintk("nfsd: SETATTR(3) %s\n", |
| 77 | SVCFH_fmt(&argp->fh)); |
| 78 | |
| 79 | fh_copy(&resp->fh, &argp->fh); |
| 80 | nfserr = nfsd_setattr(rqstp, &resp->fh, &argp->attrs, |
| 81 | argp->check_guard, argp->guardtime); |
| 82 | RETURN_STATUS(nfserr); |
| 83 | } |
| 84 | |
| 85 | /* |
| 86 | * Look up a path name component |
| 87 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 88 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | nfsd3_proc_lookup(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp, |
| 90 | struct nfsd3_diropres *resp) |
| 91 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 92 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | |
| 94 | dprintk("nfsd: LOOKUP(3) %s %.*s\n", |
| 95 | SVCFH_fmt(&argp->fh), |
| 96 | argp->len, |
| 97 | argp->name); |
| 98 | |
| 99 | fh_copy(&resp->dirfh, &argp->fh); |
| 100 | fh_init(&resp->fh, NFS3_FHSIZE); |
| 101 | |
| 102 | nfserr = nfsd_lookup(rqstp, &resp->dirfh, |
| 103 | argp->name, |
| 104 | argp->len, |
| 105 | &resp->fh); |
| 106 | RETURN_STATUS(nfserr); |
| 107 | } |
| 108 | |
| 109 | /* |
| 110 | * Check file access |
| 111 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 112 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | nfsd3_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp, |
| 114 | struct nfsd3_accessres *resp) |
| 115 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 116 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | |
| 118 | dprintk("nfsd: ACCESS(3) %s 0x%x\n", |
| 119 | SVCFH_fmt(&argp->fh), |
| 120 | argp->access); |
| 121 | |
| 122 | fh_copy(&resp->fh, &argp->fh); |
| 123 | resp->access = argp->access; |
| 124 | nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL); |
| 125 | RETURN_STATUS(nfserr); |
| 126 | } |
| 127 | |
| 128 | /* |
| 129 | * Read a symlink. |
| 130 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 131 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | nfsd3_proc_readlink(struct svc_rqst *rqstp, struct nfsd3_readlinkargs *argp, |
| 133 | struct nfsd3_readlinkres *resp) |
| 134 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 135 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
| 137 | dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh)); |
| 138 | |
| 139 | /* Read the symlink. */ |
| 140 | fh_copy(&resp->fh, &argp->fh); |
| 141 | resp->len = NFS3_MAXPATHLEN; |
| 142 | nfserr = nfsd_readlink(rqstp, &resp->fh, argp->buffer, &resp->len); |
| 143 | RETURN_STATUS(nfserr); |
| 144 | } |
| 145 | |
| 146 | /* |
| 147 | * Read a portion of a file. |
| 148 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 149 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | nfsd3_proc_read(struct svc_rqst *rqstp, struct nfsd3_readargs *argp, |
| 151 | struct nfsd3_readres *resp) |
| 152 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 153 | __be32 nfserr; |
Greg Banks | 7adae48 | 2006-10-04 02:15:47 -0700 | [diff] [blame] | 154 | u32 max_blocksize = svc_max_payload(rqstp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
| 156 | dprintk("nfsd: READ(3) %s %lu bytes at %lu\n", |
| 157 | SVCFH_fmt(&argp->fh), |
| 158 | (unsigned long) argp->count, |
| 159 | (unsigned long) argp->offset); |
| 160 | |
| 161 | /* Obtain buffer pointer for payload. |
| 162 | * 1 (status) + 22 (post_op_attr) + 1 (count) + 1 (eof) |
| 163 | * + 1 (xdr opaque byte count) = 26 |
| 164 | */ |
| 165 | |
| 166 | resp->count = argp->count; |
Greg Banks | 7adae48 | 2006-10-04 02:15:47 -0700 | [diff] [blame] | 167 | if (max_blocksize < resp->count) |
| 168 | resp->count = max_blocksize; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | |
Jeff Layton | cd12301 | 2007-05-09 02:34:50 -0700 | [diff] [blame] | 170 | svc_reserve_auth(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | fh_copy(&resp->fh, &argp->fh); |
| 173 | nfserr = nfsd_read(rqstp, &resp->fh, NULL, |
| 174 | argp->offset, |
NeilBrown | 3cc03b1 | 2006-10-04 02:15:47 -0700 | [diff] [blame] | 175 | rqstp->rq_vec, argp->vlen, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | &resp->count); |
| 177 | if (nfserr == 0) { |
| 178 | struct inode *inode = resp->fh.fh_dentry->d_inode; |
| 179 | |
| 180 | resp->eof = (argp->offset + resp->count) >= inode->i_size; |
| 181 | } |
| 182 | |
| 183 | RETURN_STATUS(nfserr); |
| 184 | } |
| 185 | |
| 186 | /* |
| 187 | * Write data to a file |
| 188 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 189 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | nfsd3_proc_write(struct svc_rqst *rqstp, struct nfsd3_writeargs *argp, |
| 191 | struct nfsd3_writeres *resp) |
| 192 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 193 | __be32 nfserr; |
David Shaw | 31dec25 | 2009-03-05 20:16:14 -0500 | [diff] [blame] | 194 | unsigned long cnt = argp->len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | |
| 196 | dprintk("nfsd: WRITE(3) %s %d bytes at %ld%s\n", |
| 197 | SVCFH_fmt(&argp->fh), |
| 198 | argp->len, |
| 199 | (unsigned long) argp->offset, |
| 200 | argp->stable? " stable" : ""); |
| 201 | |
| 202 | fh_copy(&resp->fh, &argp->fh); |
| 203 | resp->committed = argp->stable; |
| 204 | nfserr = nfsd_write(rqstp, &resp->fh, NULL, |
| 205 | argp->offset, |
NeilBrown | 3cc03b1 | 2006-10-04 02:15:47 -0700 | [diff] [blame] | 206 | rqstp->rq_vec, argp->vlen, |
David Shaw | 31dec25 | 2009-03-05 20:16:14 -0500 | [diff] [blame] | 207 | &cnt, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | &resp->committed); |
David Shaw | 31dec25 | 2009-03-05 20:16:14 -0500 | [diff] [blame] | 209 | resp->count = cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | RETURN_STATUS(nfserr); |
| 211 | } |
| 212 | |
| 213 | /* |
| 214 | * With NFSv3, CREATE processing is a lot easier than with NFSv2. |
| 215 | * At least in theory; we'll see how it fares in practice when the |
| 216 | * first reports about SunOS compatibility problems start to pour in... |
| 217 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 218 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | nfsd3_proc_create(struct svc_rqst *rqstp, struct nfsd3_createargs *argp, |
| 220 | struct nfsd3_diropres *resp) |
| 221 | { |
| 222 | svc_fh *dirfhp, *newfhp = NULL; |
| 223 | struct iattr *attr; |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 224 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | |
| 226 | dprintk("nfsd: CREATE(3) %s %.*s\n", |
| 227 | SVCFH_fmt(&argp->fh), |
| 228 | argp->len, |
| 229 | argp->name); |
| 230 | |
| 231 | dirfhp = fh_copy(&resp->dirfh, &argp->fh); |
| 232 | newfhp = fh_init(&resp->fh, NFS3_FHSIZE); |
| 233 | attr = &argp->attrs; |
| 234 | |
| 235 | /* Get the directory inode */ |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 236 | nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, NFSD_MAY_CREATE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | if (nfserr) |
| 238 | RETURN_STATUS(nfserr); |
| 239 | |
| 240 | /* Unfudge the mode bits */ |
| 241 | attr->ia_mode &= ~S_IFMT; |
| 242 | if (!(attr->ia_valid & ATTR_MODE)) { |
| 243 | attr->ia_valid |= ATTR_MODE; |
| 244 | attr->ia_mode = S_IFREG; |
| 245 | } else { |
| 246 | attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG; |
| 247 | } |
| 248 | |
| 249 | /* Now create the file and set attributes */ |
| 250 | nfserr = nfsd_create_v3(rqstp, dirfhp, argp->name, argp->len, |
| 251 | attr, newfhp, |
J. Bruce Fields | 81ac95c | 2006-11-08 17:44:40 -0800 | [diff] [blame] | 252 | argp->createmode, argp->verf, NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | |
| 254 | RETURN_STATUS(nfserr); |
| 255 | } |
| 256 | |
| 257 | /* |
| 258 | * Make directory. This operation is not idempotent. |
| 259 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 260 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | nfsd3_proc_mkdir(struct svc_rqst *rqstp, struct nfsd3_createargs *argp, |
| 262 | struct nfsd3_diropres *resp) |
| 263 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 264 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | |
| 266 | dprintk("nfsd: MKDIR(3) %s %.*s\n", |
| 267 | SVCFH_fmt(&argp->fh), |
| 268 | argp->len, |
| 269 | argp->name); |
| 270 | |
| 271 | argp->attrs.ia_valid &= ~ATTR_SIZE; |
| 272 | fh_copy(&resp->dirfh, &argp->fh); |
| 273 | fh_init(&resp->fh, NFS3_FHSIZE); |
| 274 | nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, |
| 275 | &argp->attrs, S_IFDIR, 0, &resp->fh); |
| 276 | |
| 277 | RETURN_STATUS(nfserr); |
| 278 | } |
| 279 | |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 280 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | nfsd3_proc_symlink(struct svc_rqst *rqstp, struct nfsd3_symlinkargs *argp, |
| 282 | struct nfsd3_diropres *resp) |
| 283 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 284 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | |
| 286 | dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n", |
| 287 | SVCFH_fmt(&argp->ffh), |
| 288 | argp->flen, argp->fname, |
| 289 | argp->tlen, argp->tname); |
| 290 | |
| 291 | fh_copy(&resp->dirfh, &argp->ffh); |
| 292 | fh_init(&resp->fh, NFS3_FHSIZE); |
| 293 | nfserr = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, argp->flen, |
| 294 | argp->tname, argp->tlen, |
| 295 | &resp->fh, &argp->attrs); |
| 296 | RETURN_STATUS(nfserr); |
| 297 | } |
| 298 | |
| 299 | /* |
| 300 | * Make socket/fifo/device. |
| 301 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 302 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | nfsd3_proc_mknod(struct svc_rqst *rqstp, struct nfsd3_mknodargs *argp, |
| 304 | struct nfsd3_diropres *resp) |
| 305 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 306 | __be32 nfserr; |
| 307 | int type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | dev_t rdev = 0; |
| 309 | |
| 310 | dprintk("nfsd: MKNOD(3) %s %.*s\n", |
| 311 | SVCFH_fmt(&argp->fh), |
| 312 | argp->len, |
| 313 | argp->name); |
| 314 | |
| 315 | fh_copy(&resp->dirfh, &argp->fh); |
| 316 | fh_init(&resp->fh, NFS3_FHSIZE); |
| 317 | |
| 318 | if (argp->ftype == 0 || argp->ftype >= NF3BAD) |
| 319 | RETURN_STATUS(nfserr_inval); |
| 320 | if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) { |
| 321 | rdev = MKDEV(argp->major, argp->minor); |
| 322 | if (MAJOR(rdev) != argp->major || |
| 323 | MINOR(rdev) != argp->minor) |
| 324 | RETURN_STATUS(nfserr_inval); |
| 325 | } else |
| 326 | if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO) |
| 327 | RETURN_STATUS(nfserr_inval); |
| 328 | |
| 329 | type = nfs3_ftypes[argp->ftype]; |
| 330 | nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, |
| 331 | &argp->attrs, type, rdev, &resp->fh); |
| 332 | |
| 333 | RETURN_STATUS(nfserr); |
| 334 | } |
| 335 | |
| 336 | /* |
| 337 | * Remove file/fifo/socket etc. |
| 338 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 339 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | nfsd3_proc_remove(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp, |
| 341 | struct nfsd3_attrstat *resp) |
| 342 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 343 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | |
| 345 | dprintk("nfsd: REMOVE(3) %s %.*s\n", |
| 346 | SVCFH_fmt(&argp->fh), |
| 347 | argp->len, |
| 348 | argp->name); |
| 349 | |
| 350 | /* Unlink. -S_IFDIR means file must not be a directory */ |
| 351 | fh_copy(&resp->fh, &argp->fh); |
| 352 | nfserr = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, argp->name, argp->len); |
| 353 | RETURN_STATUS(nfserr); |
| 354 | } |
| 355 | |
| 356 | /* |
| 357 | * Remove a directory |
| 358 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 359 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | nfsd3_proc_rmdir(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp, |
| 361 | struct nfsd3_attrstat *resp) |
| 362 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 363 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | |
| 365 | dprintk("nfsd: RMDIR(3) %s %.*s\n", |
| 366 | SVCFH_fmt(&argp->fh), |
| 367 | argp->len, |
| 368 | argp->name); |
| 369 | |
| 370 | fh_copy(&resp->fh, &argp->fh); |
| 371 | nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len); |
| 372 | RETURN_STATUS(nfserr); |
| 373 | } |
| 374 | |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 375 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | nfsd3_proc_rename(struct svc_rqst *rqstp, struct nfsd3_renameargs *argp, |
| 377 | struct nfsd3_renameres *resp) |
| 378 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 379 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | |
| 381 | dprintk("nfsd: RENAME(3) %s %.*s ->\n", |
| 382 | SVCFH_fmt(&argp->ffh), |
| 383 | argp->flen, |
| 384 | argp->fname); |
| 385 | dprintk("nfsd: -> %s %.*s\n", |
| 386 | SVCFH_fmt(&argp->tfh), |
| 387 | argp->tlen, |
| 388 | argp->tname); |
| 389 | |
| 390 | fh_copy(&resp->ffh, &argp->ffh); |
| 391 | fh_copy(&resp->tfh, &argp->tfh); |
| 392 | nfserr = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen, |
| 393 | &resp->tfh, argp->tname, argp->tlen); |
| 394 | RETURN_STATUS(nfserr); |
| 395 | } |
| 396 | |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 397 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | nfsd3_proc_link(struct svc_rqst *rqstp, struct nfsd3_linkargs *argp, |
| 399 | struct nfsd3_linkres *resp) |
| 400 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 401 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | |
| 403 | dprintk("nfsd: LINK(3) %s ->\n", |
| 404 | SVCFH_fmt(&argp->ffh)); |
| 405 | dprintk("nfsd: -> %s %.*s\n", |
| 406 | SVCFH_fmt(&argp->tfh), |
| 407 | argp->tlen, |
| 408 | argp->tname); |
| 409 | |
| 410 | fh_copy(&resp->fh, &argp->ffh); |
| 411 | fh_copy(&resp->tfh, &argp->tfh); |
| 412 | nfserr = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen, |
| 413 | &resp->fh); |
| 414 | RETURN_STATUS(nfserr); |
| 415 | } |
| 416 | |
| 417 | /* |
| 418 | * Read a portion of a directory. |
| 419 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 420 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | nfsd3_proc_readdir(struct svc_rqst *rqstp, struct nfsd3_readdirargs *argp, |
| 422 | struct nfsd3_readdirres *resp) |
| 423 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 424 | __be32 nfserr; |
| 425 | int count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | |
| 427 | dprintk("nfsd: READDIR(3) %s %d bytes at %d\n", |
| 428 | SVCFH_fmt(&argp->fh), |
| 429 | argp->count, (u32) argp->cookie); |
| 430 | |
| 431 | /* Make sure we've room for the NULL ptr & eof flag, and shrink to |
| 432 | * client read size */ |
| 433 | count = (argp->count >> 2) - 2; |
| 434 | |
| 435 | /* Read directory and encode entries on the fly */ |
| 436 | fh_copy(&resp->fh, &argp->fh); |
| 437 | |
| 438 | resp->buflen = count; |
| 439 | resp->common.err = nfs_ok; |
| 440 | resp->buffer = argp->buffer; |
| 441 | resp->rqstp = rqstp; |
| 442 | nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie, |
| 443 | &resp->common, nfs3svc_encode_entry); |
| 444 | memcpy(resp->verf, argp->verf, 8); |
| 445 | resp->count = resp->buffer - argp->buffer; |
| 446 | if (resp->offset) |
| 447 | xdr_encode_hyper(resp->offset, argp->cookie); |
| 448 | |
| 449 | RETURN_STATUS(nfserr); |
| 450 | } |
| 451 | |
| 452 | /* |
| 453 | * Read a portion of a directory, including file handles and attrs. |
| 454 | * For now, we choose to ignore the dircount parameter. |
| 455 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 456 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | nfsd3_proc_readdirplus(struct svc_rqst *rqstp, struct nfsd3_readdirargs *argp, |
| 458 | struct nfsd3_readdirres *resp) |
| 459 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 460 | __be32 nfserr; |
| 461 | int count = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | loff_t offset; |
| 463 | int i; |
| 464 | caddr_t page_addr = NULL; |
| 465 | |
| 466 | dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n", |
| 467 | SVCFH_fmt(&argp->fh), |
| 468 | argp->count, (u32) argp->cookie); |
| 469 | |
| 470 | /* Convert byte count to number of words (i.e. >> 2), |
| 471 | * and reserve room for the NULL ptr & eof flag (-2 words) */ |
| 472 | resp->count = (argp->count >> 2) - 2; |
| 473 | |
| 474 | /* Read directory and encode entries on the fly */ |
| 475 | fh_copy(&resp->fh, &argp->fh); |
| 476 | |
| 477 | resp->common.err = nfs_ok; |
| 478 | resp->buffer = argp->buffer; |
| 479 | resp->buflen = resp->count; |
| 480 | resp->rqstp = rqstp; |
| 481 | offset = argp->cookie; |
| 482 | nfserr = nfsd_readdir(rqstp, &resp->fh, |
| 483 | &offset, |
| 484 | &resp->common, |
| 485 | nfs3svc_encode_entry_plus); |
| 486 | memcpy(resp->verf, argp->verf, 8); |
| 487 | for (i=1; i<rqstp->rq_resused ; i++) { |
| 488 | page_addr = page_address(rqstp->rq_respages[i]); |
| 489 | |
| 490 | if (((caddr_t)resp->buffer >= page_addr) && |
| 491 | ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) { |
| 492 | count += (caddr_t)resp->buffer - page_addr; |
| 493 | break; |
| 494 | } |
| 495 | count += PAGE_SIZE; |
| 496 | } |
| 497 | resp->count = count >> 2; |
| 498 | if (resp->offset) { |
| 499 | if (unlikely(resp->offset1)) { |
| 500 | /* we ended up with offset on a page boundary */ |
| 501 | *resp->offset = htonl(offset >> 32); |
| 502 | *resp->offset1 = htonl(offset & 0xffffffff); |
| 503 | resp->offset1 = NULL; |
| 504 | } else { |
| 505 | xdr_encode_hyper(resp->offset, offset); |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | RETURN_STATUS(nfserr); |
| 510 | } |
| 511 | |
| 512 | /* |
| 513 | * Get file system stats |
| 514 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 515 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | nfsd3_proc_fsstat(struct svc_rqst * rqstp, struct nfsd_fhandle *argp, |
| 517 | struct nfsd3_fsstatres *resp) |
| 518 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 519 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
| 521 | dprintk("nfsd: FSSTAT(3) %s\n", |
| 522 | SVCFH_fmt(&argp->fh)); |
| 523 | |
J. Bruce Fields | 04716e6 | 2008-08-07 13:00:20 -0400 | [diff] [blame] | 524 | nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | fh_put(&argp->fh); |
| 526 | RETURN_STATUS(nfserr); |
| 527 | } |
| 528 | |
| 529 | /* |
| 530 | * Get file system info |
| 531 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 532 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle *argp, |
| 534 | struct nfsd3_fsinfores *resp) |
| 535 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 536 | __be32 nfserr; |
Greg Banks | 7adae48 | 2006-10-04 02:15:47 -0700 | [diff] [blame] | 537 | u32 max_blocksize = svc_max_payload(rqstp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | |
| 539 | dprintk("nfsd: FSINFO(3) %s\n", |
| 540 | SVCFH_fmt(&argp->fh)); |
| 541 | |
Greg Banks | 7adae48 | 2006-10-04 02:15:47 -0700 | [diff] [blame] | 542 | resp->f_rtmax = max_blocksize; |
| 543 | resp->f_rtpref = max_blocksize; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | resp->f_rtmult = PAGE_SIZE; |
Greg Banks | 7adae48 | 2006-10-04 02:15:47 -0700 | [diff] [blame] | 545 | resp->f_wtmax = max_blocksize; |
| 546 | resp->f_wtpref = max_blocksize; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | resp->f_wtmult = PAGE_SIZE; |
| 548 | resp->f_dtpref = PAGE_SIZE; |
| 549 | resp->f_maxfilesize = ~(u32) 0; |
| 550 | resp->f_properties = NFS3_FSF_DEFAULT; |
| 551 | |
J. Bruce Fields | 04716e6 | 2008-08-07 13:00:20 -0400 | [diff] [blame] | 552 | nfserr = fh_verify(rqstp, &argp->fh, 0, |
| 553 | NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | |
| 555 | /* Check special features of the file system. May request |
| 556 | * different read/write sizes for file systems known to have |
| 557 | * problems with large blocks */ |
| 558 | if (nfserr == 0) { |
| 559 | struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb; |
| 560 | |
| 561 | /* Note that we don't care for remote fs's here */ |
Qinghuang Feng | 12214cb | 2009-01-12 03:13:53 +0800 | [diff] [blame] | 562 | if (sb->s_magic == MSDOS_SUPER_MAGIC) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | resp->f_properties = NFS3_FSF_BILLYBOY; |
| 564 | } |
| 565 | resp->f_maxfilesize = sb->s_maxbytes; |
| 566 | } |
| 567 | |
| 568 | fh_put(&argp->fh); |
| 569 | RETURN_STATUS(nfserr); |
| 570 | } |
| 571 | |
| 572 | /* |
| 573 | * Get pathconf info for the specified file |
| 574 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 575 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | nfsd3_proc_pathconf(struct svc_rqst * rqstp, struct nfsd_fhandle *argp, |
| 577 | struct nfsd3_pathconfres *resp) |
| 578 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 579 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | |
| 581 | dprintk("nfsd: PATHCONF(3) %s\n", |
| 582 | SVCFH_fmt(&argp->fh)); |
| 583 | |
| 584 | /* Set default pathconf */ |
| 585 | resp->p_link_max = 255; /* at least */ |
| 586 | resp->p_name_max = 255; /* at least */ |
| 587 | resp->p_no_trunc = 0; |
| 588 | resp->p_chown_restricted = 1; |
| 589 | resp->p_case_insensitive = 0; |
| 590 | resp->p_case_preserving = 1; |
| 591 | |
Miklos Szeredi | 8837abc | 2008-06-16 13:20:29 +0200 | [diff] [blame] | 592 | nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | |
| 594 | if (nfserr == 0) { |
| 595 | struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb; |
| 596 | |
| 597 | /* Note that we don't care for remote fs's here */ |
| 598 | switch (sb->s_magic) { |
| 599 | case EXT2_SUPER_MAGIC: |
| 600 | resp->p_link_max = EXT2_LINK_MAX; |
| 601 | resp->p_name_max = EXT2_NAME_LEN; |
| 602 | break; |
Qinghuang Feng | 12214cb | 2009-01-12 03:13:53 +0800 | [diff] [blame] | 603 | case MSDOS_SUPER_MAGIC: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | resp->p_case_insensitive = 1; |
| 605 | resp->p_case_preserving = 0; |
| 606 | break; |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | fh_put(&argp->fh); |
| 611 | RETURN_STATUS(nfserr); |
| 612 | } |
| 613 | |
| 614 | |
| 615 | /* |
| 616 | * Commit a file (range) to stable storage. |
| 617 | */ |
Al Viro | 7111c66 | 2006-10-19 23:28:45 -0700 | [diff] [blame] | 618 | static __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | nfsd3_proc_commit(struct svc_rqst * rqstp, struct nfsd3_commitargs *argp, |
| 620 | struct nfsd3_commitres *resp) |
| 621 | { |
Al Viro | c4d987b | 2006-10-19 23:29:00 -0700 | [diff] [blame] | 622 | __be32 nfserr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | |
| 624 | dprintk("nfsd: COMMIT(3) %s %u@%Lu\n", |
| 625 | SVCFH_fmt(&argp->fh), |
| 626 | argp->count, |
| 627 | (unsigned long long) argp->offset); |
| 628 | |
| 629 | if (argp->offset > NFS_OFFSET_MAX) |
| 630 | RETURN_STATUS(nfserr_inval); |
| 631 | |
| 632 | fh_copy(&resp->fh, &argp->fh); |
| 633 | nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count); |
| 634 | |
| 635 | RETURN_STATUS(nfserr); |
| 636 | } |
| 637 | |
| 638 | |
| 639 | /* |
| 640 | * NFSv3 Server procedures. |
| 641 | * Only the results of non-idempotent operations are cached. |
| 642 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | #define nfs3svc_decode_fhandleargs nfs3svc_decode_fhandle |
| 644 | #define nfs3svc_encode_attrstatres nfs3svc_encode_attrstat |
| 645 | #define nfs3svc_encode_wccstatres nfs3svc_encode_wccstat |
| 646 | #define nfsd3_mkdirargs nfsd3_createargs |
| 647 | #define nfsd3_readdirplusargs nfsd3_readdirargs |
| 648 | #define nfsd3_fhandleargs nfsd_fhandle |
| 649 | #define nfsd3_fhandleres nfsd3_attrstat |
| 650 | #define nfsd3_attrstatres nfsd3_attrstat |
| 651 | #define nfsd3_wccstatres nfsd3_attrstat |
| 652 | #define nfsd3_createres nfsd3_diropres |
| 653 | #define nfsd3_voidres nfsd3_voidargs |
| 654 | struct nfsd3_voidargs { int dummy; }; |
| 655 | |
| 656 | #define PROC(name, argt, rest, relt, cache, respsize) \ |
| 657 | { (svc_procfunc) nfsd3_proc_##name, \ |
| 658 | (kxdrproc_t) nfs3svc_decode_##argt##args, \ |
| 659 | (kxdrproc_t) nfs3svc_encode_##rest##res, \ |
| 660 | (kxdrproc_t) nfs3svc_release_##relt, \ |
| 661 | sizeof(struct nfsd3_##argt##args), \ |
| 662 | sizeof(struct nfsd3_##rest##res), \ |
| 663 | 0, \ |
| 664 | cache, \ |
| 665 | respsize, \ |
| 666 | } |
| 667 | |
| 668 | #define ST 1 /* status*/ |
| 669 | #define FH 17 /* filehandle with length */ |
| 670 | #define AT 21 /* attributes */ |
| 671 | #define pAT (1+AT) /* post attributes - conditional */ |
| 672 | #define WC (7+pAT) /* WCC attributes */ |
| 673 | |
| 674 | static struct svc_procedure nfsd_procedures3[22] = { |
Yu Zhiguo | b9081d9 | 2009-06-09 17:33:34 +0800 | [diff] [blame] | 675 | [NFS3PROC_NULL] = { |
| 676 | .pc_func = (svc_procfunc) nfsd3_proc_null, |
| 677 | .pc_encode = (kxdrproc_t) nfs3svc_encode_voidres, |
| 678 | .pc_argsize = sizeof(struct nfsd3_voidargs), |
| 679 | .pc_ressize = sizeof(struct nfsd3_voidres), |
| 680 | .pc_cachetype = RC_NOCACHE, |
| 681 | .pc_xdrressize = ST, |
| 682 | }, |
| 683 | [NFS3PROC_GETATTR] = { |
| 684 | .pc_func = (svc_procfunc) nfsd3_proc_getattr, |
| 685 | .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, |
| 686 | .pc_encode = (kxdrproc_t) nfs3svc_encode_attrstatres, |
| 687 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 688 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
| 689 | .pc_ressize = sizeof(struct nfsd3_attrstatres), |
| 690 | .pc_cachetype = RC_NOCACHE, |
| 691 | .pc_xdrressize = ST+AT, |
| 692 | }, |
| 693 | [NFS3PROC_SETATTR] = { |
| 694 | .pc_func = (svc_procfunc) nfsd3_proc_setattr, |
| 695 | .pc_decode = (kxdrproc_t) nfs3svc_decode_sattrargs, |
| 696 | .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres, |
| 697 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 698 | .pc_argsize = sizeof(struct nfsd3_sattrargs), |
| 699 | .pc_ressize = sizeof(struct nfsd3_wccstatres), |
| 700 | .pc_cachetype = RC_REPLBUFF, |
| 701 | .pc_xdrressize = ST+WC, |
| 702 | }, |
| 703 | [NFS3PROC_LOOKUP] = { |
| 704 | .pc_func = (svc_procfunc) nfsd3_proc_lookup, |
| 705 | .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs, |
| 706 | .pc_encode = (kxdrproc_t) nfs3svc_encode_diropres, |
| 707 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, |
| 708 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
| 709 | .pc_ressize = sizeof(struct nfsd3_diropres), |
| 710 | .pc_cachetype = RC_NOCACHE, |
| 711 | .pc_xdrressize = ST+FH+pAT+pAT, |
| 712 | }, |
| 713 | [NFS3PROC_ACCESS] = { |
| 714 | .pc_func = (svc_procfunc) nfsd3_proc_access, |
| 715 | .pc_decode = (kxdrproc_t) nfs3svc_decode_accessargs, |
| 716 | .pc_encode = (kxdrproc_t) nfs3svc_encode_accessres, |
| 717 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 718 | .pc_argsize = sizeof(struct nfsd3_accessargs), |
| 719 | .pc_ressize = sizeof(struct nfsd3_accessres), |
| 720 | .pc_cachetype = RC_NOCACHE, |
| 721 | .pc_xdrressize = ST+pAT+1, |
| 722 | }, |
| 723 | [NFS3PROC_READLINK] = { |
| 724 | .pc_func = (svc_procfunc) nfsd3_proc_readlink, |
| 725 | .pc_decode = (kxdrproc_t) nfs3svc_decode_readlinkargs, |
| 726 | .pc_encode = (kxdrproc_t) nfs3svc_encode_readlinkres, |
| 727 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 728 | .pc_argsize = sizeof(struct nfsd3_readlinkargs), |
| 729 | .pc_ressize = sizeof(struct nfsd3_readlinkres), |
| 730 | .pc_cachetype = RC_NOCACHE, |
| 731 | .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4, |
| 732 | }, |
| 733 | [NFS3PROC_READ] = { |
| 734 | .pc_func = (svc_procfunc) nfsd3_proc_read, |
| 735 | .pc_decode = (kxdrproc_t) nfs3svc_decode_readargs, |
| 736 | .pc_encode = (kxdrproc_t) nfs3svc_encode_readres, |
| 737 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 738 | .pc_argsize = sizeof(struct nfsd3_readargs), |
| 739 | .pc_ressize = sizeof(struct nfsd3_readres), |
| 740 | .pc_cachetype = RC_NOCACHE, |
| 741 | .pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4, |
| 742 | }, |
| 743 | [NFS3PROC_WRITE] = { |
| 744 | .pc_func = (svc_procfunc) nfsd3_proc_write, |
| 745 | .pc_decode = (kxdrproc_t) nfs3svc_decode_writeargs, |
| 746 | .pc_encode = (kxdrproc_t) nfs3svc_encode_writeres, |
| 747 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 748 | .pc_argsize = sizeof(struct nfsd3_writeargs), |
| 749 | .pc_ressize = sizeof(struct nfsd3_writeres), |
| 750 | .pc_cachetype = RC_REPLBUFF, |
| 751 | .pc_xdrressize = ST+WC+4, |
| 752 | }, |
| 753 | [NFS3PROC_CREATE] = { |
| 754 | .pc_func = (svc_procfunc) nfsd3_proc_create, |
| 755 | .pc_decode = (kxdrproc_t) nfs3svc_decode_createargs, |
| 756 | .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, |
| 757 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, |
| 758 | .pc_argsize = sizeof(struct nfsd3_createargs), |
| 759 | .pc_ressize = sizeof(struct nfsd3_createres), |
| 760 | .pc_cachetype = RC_REPLBUFF, |
| 761 | .pc_xdrressize = ST+(1+FH+pAT)+WC, |
| 762 | }, |
| 763 | [NFS3PROC_MKDIR] = { |
| 764 | .pc_func = (svc_procfunc) nfsd3_proc_mkdir, |
| 765 | .pc_decode = (kxdrproc_t) nfs3svc_decode_mkdirargs, |
| 766 | .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, |
| 767 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, |
| 768 | .pc_argsize = sizeof(struct nfsd3_mkdirargs), |
| 769 | .pc_ressize = sizeof(struct nfsd3_createres), |
| 770 | .pc_cachetype = RC_REPLBUFF, |
| 771 | .pc_xdrressize = ST+(1+FH+pAT)+WC, |
| 772 | }, |
| 773 | [NFS3PROC_SYMLINK] = { |
| 774 | .pc_func = (svc_procfunc) nfsd3_proc_symlink, |
| 775 | .pc_decode = (kxdrproc_t) nfs3svc_decode_symlinkargs, |
| 776 | .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, |
| 777 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, |
| 778 | .pc_argsize = sizeof(struct nfsd3_symlinkargs), |
| 779 | .pc_ressize = sizeof(struct nfsd3_createres), |
| 780 | .pc_cachetype = RC_REPLBUFF, |
| 781 | .pc_xdrressize = ST+(1+FH+pAT)+WC, |
| 782 | }, |
| 783 | [NFS3PROC_MKNOD] = { |
| 784 | .pc_func = (svc_procfunc) nfsd3_proc_mknod, |
| 785 | .pc_decode = (kxdrproc_t) nfs3svc_decode_mknodargs, |
| 786 | .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, |
| 787 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, |
| 788 | .pc_argsize = sizeof(struct nfsd3_mknodargs), |
| 789 | .pc_ressize = sizeof(struct nfsd3_createres), |
| 790 | .pc_cachetype = RC_REPLBUFF, |
| 791 | .pc_xdrressize = ST+(1+FH+pAT)+WC, |
| 792 | }, |
| 793 | [NFS3PROC_REMOVE] = { |
| 794 | .pc_func = (svc_procfunc) nfsd3_proc_remove, |
| 795 | .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs, |
| 796 | .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres, |
| 797 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 798 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
| 799 | .pc_ressize = sizeof(struct nfsd3_wccstatres), |
| 800 | .pc_cachetype = RC_REPLBUFF, |
| 801 | .pc_xdrressize = ST+WC, |
| 802 | }, |
| 803 | [NFS3PROC_RMDIR] = { |
| 804 | .pc_func = (svc_procfunc) nfsd3_proc_rmdir, |
| 805 | .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs, |
| 806 | .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres, |
| 807 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 808 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
| 809 | .pc_ressize = sizeof(struct nfsd3_wccstatres), |
| 810 | .pc_cachetype = RC_REPLBUFF, |
| 811 | .pc_xdrressize = ST+WC, |
| 812 | }, |
| 813 | [NFS3PROC_RENAME] = { |
| 814 | .pc_func = (svc_procfunc) nfsd3_proc_rename, |
| 815 | .pc_decode = (kxdrproc_t) nfs3svc_decode_renameargs, |
| 816 | .pc_encode = (kxdrproc_t) nfs3svc_encode_renameres, |
| 817 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, |
| 818 | .pc_argsize = sizeof(struct nfsd3_renameargs), |
| 819 | .pc_ressize = sizeof(struct nfsd3_renameres), |
| 820 | .pc_cachetype = RC_REPLBUFF, |
| 821 | .pc_xdrressize = ST+WC+WC, |
| 822 | }, |
| 823 | [NFS3PROC_LINK] = { |
| 824 | .pc_func = (svc_procfunc) nfsd3_proc_link, |
| 825 | .pc_decode = (kxdrproc_t) nfs3svc_decode_linkargs, |
| 826 | .pc_encode = (kxdrproc_t) nfs3svc_encode_linkres, |
| 827 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, |
| 828 | .pc_argsize = sizeof(struct nfsd3_linkargs), |
| 829 | .pc_ressize = sizeof(struct nfsd3_linkres), |
| 830 | .pc_cachetype = RC_REPLBUFF, |
| 831 | .pc_xdrressize = ST+pAT+WC, |
| 832 | }, |
| 833 | [NFS3PROC_READDIR] = { |
| 834 | .pc_func = (svc_procfunc) nfsd3_proc_readdir, |
| 835 | .pc_decode = (kxdrproc_t) nfs3svc_decode_readdirargs, |
| 836 | .pc_encode = (kxdrproc_t) nfs3svc_encode_readdirres, |
| 837 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 838 | .pc_argsize = sizeof(struct nfsd3_readdirargs), |
| 839 | .pc_ressize = sizeof(struct nfsd3_readdirres), |
| 840 | .pc_cachetype = RC_NOCACHE, |
| 841 | }, |
| 842 | [NFS3PROC_READDIRPLUS] = { |
| 843 | .pc_func = (svc_procfunc) nfsd3_proc_readdirplus, |
| 844 | .pc_decode = (kxdrproc_t) nfs3svc_decode_readdirplusargs, |
| 845 | .pc_encode = (kxdrproc_t) nfs3svc_encode_readdirres, |
| 846 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 847 | .pc_argsize = sizeof(struct nfsd3_readdirplusargs), |
| 848 | .pc_ressize = sizeof(struct nfsd3_readdirres), |
| 849 | .pc_cachetype = RC_NOCACHE, |
| 850 | }, |
| 851 | [NFS3PROC_FSSTAT] = { |
| 852 | .pc_func = (svc_procfunc) nfsd3_proc_fsstat, |
| 853 | .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, |
| 854 | .pc_encode = (kxdrproc_t) nfs3svc_encode_fsstatres, |
| 855 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
| 856 | .pc_ressize = sizeof(struct nfsd3_fsstatres), |
| 857 | .pc_cachetype = RC_NOCACHE, |
| 858 | .pc_xdrressize = ST+pAT+2*6+1, |
| 859 | }, |
| 860 | [NFS3PROC_FSINFO] = { |
| 861 | .pc_func = (svc_procfunc) nfsd3_proc_fsinfo, |
| 862 | .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, |
| 863 | .pc_encode = (kxdrproc_t) nfs3svc_encode_fsinfores, |
| 864 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
| 865 | .pc_ressize = sizeof(struct nfsd3_fsinfores), |
| 866 | .pc_cachetype = RC_NOCACHE, |
| 867 | .pc_xdrressize = ST+pAT+12, |
| 868 | }, |
| 869 | [NFS3PROC_PATHCONF] = { |
| 870 | .pc_func = (svc_procfunc) nfsd3_proc_pathconf, |
| 871 | .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, |
| 872 | .pc_encode = (kxdrproc_t) nfs3svc_encode_pathconfres, |
| 873 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
| 874 | .pc_ressize = sizeof(struct nfsd3_pathconfres), |
| 875 | .pc_cachetype = RC_NOCACHE, |
| 876 | .pc_xdrressize = ST+pAT+6, |
| 877 | }, |
| 878 | [NFS3PROC_COMMIT] = { |
| 879 | .pc_func = (svc_procfunc) nfsd3_proc_commit, |
| 880 | .pc_decode = (kxdrproc_t) nfs3svc_decode_commitargs, |
| 881 | .pc_encode = (kxdrproc_t) nfs3svc_encode_commitres, |
| 882 | .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, |
| 883 | .pc_argsize = sizeof(struct nfsd3_commitargs), |
| 884 | .pc_ressize = sizeof(struct nfsd3_commitres), |
| 885 | .pc_cachetype = RC_NOCACHE, |
| 886 | .pc_xdrressize = ST+WC+2, |
| 887 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 888 | }; |
| 889 | |
| 890 | struct svc_version nfsd_version3 = { |
| 891 | .vs_vers = 3, |
| 892 | .vs_nproc = 22, |
| 893 | .vs_proc = nfsd_procedures3, |
| 894 | .vs_dispatch = nfsd_dispatch, |
| 895 | .vs_xdrsize = NFS3_SVC_XDRSIZE, |
| 896 | }; |