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