Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
f7be4ee0 MM |
2 | /* |
3 | * (C) 2001 Clemson University and The University of Chicago | |
4 | * | |
5 | * See COPYING in top-level directory. | |
6 | */ | |
296200d3 | 7 | #include <linux/kernel.h> |
f7be4ee0 | 8 | #include "protocol.h" |
575e9461 MM |
9 | #include "orangefs-kernel.h" |
10 | #include "orangefs-dev-proto.h" | |
11 | #include "orangefs-bufmap.h" | |
f7be4ee0 | 12 | |
8bb8aefd | 13 | __s32 fsid_of_op(struct orangefs_kernel_op_s *op) |
f7be4ee0 | 14 | { |
8bb8aefd | 15 | __s32 fsid = ORANGEFS_FS_ID_NULL; |
f7be4ee0 MM |
16 | |
17 | if (op) { | |
18 | switch (op->upcall.type) { | |
8bb8aefd | 19 | case ORANGEFS_VFS_OP_FILE_IO: |
f7be4ee0 MM |
20 | fsid = op->upcall.req.io.refn.fs_id; |
21 | break; | |
8bb8aefd | 22 | case ORANGEFS_VFS_OP_LOOKUP: |
f7be4ee0 MM |
23 | fsid = op->upcall.req.lookup.parent_refn.fs_id; |
24 | break; | |
8bb8aefd | 25 | case ORANGEFS_VFS_OP_CREATE: |
f7be4ee0 MM |
26 | fsid = op->upcall.req.create.parent_refn.fs_id; |
27 | break; | |
8bb8aefd | 28 | case ORANGEFS_VFS_OP_GETATTR: |
f7be4ee0 MM |
29 | fsid = op->upcall.req.getattr.refn.fs_id; |
30 | break; | |
8bb8aefd | 31 | case ORANGEFS_VFS_OP_REMOVE: |
f7be4ee0 MM |
32 | fsid = op->upcall.req.remove.parent_refn.fs_id; |
33 | break; | |
8bb8aefd | 34 | case ORANGEFS_VFS_OP_MKDIR: |
f7be4ee0 MM |
35 | fsid = op->upcall.req.mkdir.parent_refn.fs_id; |
36 | break; | |
8bb8aefd | 37 | case ORANGEFS_VFS_OP_READDIR: |
f7be4ee0 MM |
38 | fsid = op->upcall.req.readdir.refn.fs_id; |
39 | break; | |
8bb8aefd | 40 | case ORANGEFS_VFS_OP_SETATTR: |
f7be4ee0 MM |
41 | fsid = op->upcall.req.setattr.refn.fs_id; |
42 | break; | |
8bb8aefd | 43 | case ORANGEFS_VFS_OP_SYMLINK: |
f7be4ee0 MM |
44 | fsid = op->upcall.req.sym.parent_refn.fs_id; |
45 | break; | |
8bb8aefd | 46 | case ORANGEFS_VFS_OP_RENAME: |
f7be4ee0 MM |
47 | fsid = op->upcall.req.rename.old_parent_refn.fs_id; |
48 | break; | |
8bb8aefd | 49 | case ORANGEFS_VFS_OP_STATFS: |
f7be4ee0 MM |
50 | fsid = op->upcall.req.statfs.fs_id; |
51 | break; | |
8bb8aefd | 52 | case ORANGEFS_VFS_OP_TRUNCATE: |
f7be4ee0 MM |
53 | fsid = op->upcall.req.truncate.refn.fs_id; |
54 | break; | |
6eaff8c7 | 55 | case ORANGEFS_VFS_OP_RA_FLUSH: |
f7be4ee0 MM |
56 | fsid = op->upcall.req.ra_cache_flush.refn.fs_id; |
57 | break; | |
8bb8aefd | 58 | case ORANGEFS_VFS_OP_FS_UMOUNT: |
f7be4ee0 MM |
59 | fsid = op->upcall.req.fs_umount.fs_id; |
60 | break; | |
8bb8aefd | 61 | case ORANGEFS_VFS_OP_GETXATTR: |
f7be4ee0 MM |
62 | fsid = op->upcall.req.getxattr.refn.fs_id; |
63 | break; | |
8bb8aefd | 64 | case ORANGEFS_VFS_OP_SETXATTR: |
f7be4ee0 MM |
65 | fsid = op->upcall.req.setxattr.refn.fs_id; |
66 | break; | |
8bb8aefd | 67 | case ORANGEFS_VFS_OP_LISTXATTR: |
f7be4ee0 MM |
68 | fsid = op->upcall.req.listxattr.refn.fs_id; |
69 | break; | |
8bb8aefd | 70 | case ORANGEFS_VFS_OP_REMOVEXATTR: |
f7be4ee0 MM |
71 | fsid = op->upcall.req.removexattr.refn.fs_id; |
72 | break; | |
8bb8aefd | 73 | case ORANGEFS_VFS_OP_FSYNC: |
f7be4ee0 MM |
74 | fsid = op->upcall.req.fsync.refn.fs_id; |
75 | break; | |
76 | default: | |
77 | break; | |
78 | } | |
79 | } | |
80 | return fsid; | |
81 | } | |
82 | ||
394f647e | 83 | static int orangefs_inode_flags(struct ORANGEFS_sys_attr_s *attrs) |
f7be4ee0 | 84 | { |
394f647e | 85 | int flags = 0; |
8bb8aefd | 86 | if (attrs->flags & ORANGEFS_IMMUTABLE_FL) |
394f647e | 87 | flags |= S_IMMUTABLE; |
f7be4ee0 | 88 | else |
394f647e | 89 | flags &= ~S_IMMUTABLE; |
8bb8aefd | 90 | if (attrs->flags & ORANGEFS_APPEND_FL) |
394f647e | 91 | flags |= S_APPEND; |
f7be4ee0 | 92 | else |
394f647e | 93 | flags &= ~S_APPEND; |
8bb8aefd | 94 | if (attrs->flags & ORANGEFS_NOATIME_FL) |
394f647e | 95 | flags |= S_NOATIME; |
f7be4ee0 | 96 | else |
394f647e MB |
97 | flags &= ~S_NOATIME; |
98 | return flags; | |
99 | } | |
100 | ||
101 | static int orangefs_inode_perms(struct ORANGEFS_sys_attr_s *attrs) | |
102 | { | |
103 | int perm_mode = 0; | |
104 | ||
105 | if (attrs->perms & ORANGEFS_O_EXECUTE) | |
106 | perm_mode |= S_IXOTH; | |
107 | if (attrs->perms & ORANGEFS_O_WRITE) | |
108 | perm_mode |= S_IWOTH; | |
109 | if (attrs->perms & ORANGEFS_O_READ) | |
110 | perm_mode |= S_IROTH; | |
111 | ||
112 | if (attrs->perms & ORANGEFS_G_EXECUTE) | |
113 | perm_mode |= S_IXGRP; | |
114 | if (attrs->perms & ORANGEFS_G_WRITE) | |
115 | perm_mode |= S_IWGRP; | |
116 | if (attrs->perms & ORANGEFS_G_READ) | |
117 | perm_mode |= S_IRGRP; | |
f7be4ee0 | 118 | |
394f647e MB |
119 | if (attrs->perms & ORANGEFS_U_EXECUTE) |
120 | perm_mode |= S_IXUSR; | |
121 | if (attrs->perms & ORANGEFS_U_WRITE) | |
122 | perm_mode |= S_IWUSR; | |
123 | if (attrs->perms & ORANGEFS_U_READ) | |
124 | perm_mode |= S_IRUSR; | |
125 | ||
126 | if (attrs->perms & ORANGEFS_G_SGID) | |
127 | perm_mode |= S_ISGID; | |
128 | if (attrs->perms & ORANGEFS_U_SUID) | |
129 | perm_mode |= S_ISUID; | |
130 | ||
131 | return perm_mode; | |
f7be4ee0 MM |
132 | } |
133 | ||
f7be4ee0 MM |
134 | /* |
135 | * NOTE: in kernel land, we never use the sys_attr->link_target for | |
136 | * anything, so don't bother copying it into the sys_attr object here. | |
137 | */ | |
138 | static inline int copy_attributes_from_inode(struct inode *inode, | |
8bb8aefd | 139 | struct ORANGEFS_sys_attr_s *attrs, |
f7be4ee0 MM |
140 | struct iattr *iattr) |
141 | { | |
142 | umode_t tmp_mode; | |
143 | ||
144 | if (!iattr || !inode || !attrs) { | |
145 | gossip_err("NULL iattr (%p), inode (%p), attrs (%p) " | |
146 | "in copy_attributes_from_inode!\n", | |
147 | iattr, | |
148 | inode, | |
149 | attrs); | |
150 | return -EINVAL; | |
151 | } | |
152 | /* | |
153 | * We need to be careful to only copy the attributes out of the | |
154 | * iattr object that we know are valid. | |
155 | */ | |
156 | attrs->mask = 0; | |
157 | if (iattr->ia_valid & ATTR_UID) { | |
78fee0b6 | 158 | attrs->owner = from_kuid(&init_user_ns, iattr->ia_uid); |
8bb8aefd | 159 | attrs->mask |= ORANGEFS_ATTR_SYS_UID; |
f7be4ee0 MM |
160 | gossip_debug(GOSSIP_UTILS_DEBUG, "(UID) %d\n", attrs->owner); |
161 | } | |
162 | if (iattr->ia_valid & ATTR_GID) { | |
78fee0b6 | 163 | attrs->group = from_kgid(&init_user_ns, iattr->ia_gid); |
8bb8aefd | 164 | attrs->mask |= ORANGEFS_ATTR_SYS_GID; |
f7be4ee0 MM |
165 | gossip_debug(GOSSIP_UTILS_DEBUG, "(GID) %d\n", attrs->group); |
166 | } | |
167 | ||
168 | if (iattr->ia_valid & ATTR_ATIME) { | |
8bb8aefd | 169 | attrs->mask |= ORANGEFS_ATTR_SYS_ATIME; |
f7be4ee0 | 170 | if (iattr->ia_valid & ATTR_ATIME_SET) { |
be81ce48 | 171 | attrs->atime = (time64_t)iattr->ia_atime.tv_sec; |
8bb8aefd | 172 | attrs->mask |= ORANGEFS_ATTR_SYS_ATIME_SET; |
f7be4ee0 MM |
173 | } |
174 | } | |
175 | if (iattr->ia_valid & ATTR_MTIME) { | |
8bb8aefd | 176 | attrs->mask |= ORANGEFS_ATTR_SYS_MTIME; |
f7be4ee0 | 177 | if (iattr->ia_valid & ATTR_MTIME_SET) { |
be81ce48 | 178 | attrs->mtime = (time64_t)iattr->ia_mtime.tv_sec; |
8bb8aefd | 179 | attrs->mask |= ORANGEFS_ATTR_SYS_MTIME_SET; |
f7be4ee0 MM |
180 | } |
181 | } | |
182 | if (iattr->ia_valid & ATTR_CTIME) | |
8bb8aefd | 183 | attrs->mask |= ORANGEFS_ATTR_SYS_CTIME; |
f7be4ee0 MM |
184 | |
185 | /* | |
8bb8aefd | 186 | * ORANGEFS cannot set size with a setattr operation. Probably not likely |
f7be4ee0 MM |
187 | * to be requested through the VFS, but just in case, don't worry about |
188 | * ATTR_SIZE | |
189 | */ | |
190 | ||
191 | if (iattr->ia_valid & ATTR_MODE) { | |
192 | tmp_mode = iattr->ia_mode; | |
193 | if (tmp_mode & (S_ISVTX)) { | |
194 | if (is_root_handle(inode)) { | |
195 | /* | |
196 | * allow sticky bit to be set on root (since | |
197 | * it shows up that way by default anyhow), | |
198 | * but don't show it to the server | |
199 | */ | |
200 | tmp_mode -= S_ISVTX; | |
201 | } else { | |
202 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
203 | "User attempted to set sticky bit on non-root directory; returning EINVAL.\n"); | |
204 | return -EINVAL; | |
205 | } | |
206 | } | |
207 | ||
208 | if (tmp_mode & (S_ISUID)) { | |
209 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
210 | "Attempting to set setuid bit (not supported); returning EINVAL.\n"); | |
211 | return -EINVAL; | |
212 | } | |
213 | ||
8bb8aefd YL |
214 | attrs->perms = ORANGEFS_util_translate_mode(tmp_mode); |
215 | attrs->mask |= ORANGEFS_ATTR_SYS_PERM; | |
f7be4ee0 MM |
216 | } |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
3c9cf98d MB |
221 | static int orangefs_inode_type(enum orangefs_ds_type objtype) |
222 | { | |
223 | if (objtype == ORANGEFS_TYPE_METAFILE) | |
224 | return S_IFREG; | |
225 | else if (objtype == ORANGEFS_TYPE_DIRECTORY) | |
226 | return S_IFDIR; | |
227 | else if (objtype == ORANGEFS_TYPE_SYMLINK) | |
228 | return S_IFLNK; | |
229 | else | |
230 | return -1; | |
231 | } | |
232 | ||
4d0cac7e MB |
233 | static void orangefs_make_bad_inode(struct inode *inode) |
234 | { | |
235 | if (is_root_handle(inode)) { | |
236 | /* | |
237 | * if this occurs, the pvfs2-client-core was killed but we | |
238 | * can't afford to lose the inode operations and such | |
239 | * associated with the root handle in any case. | |
240 | */ | |
241 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
242 | "*** NOT making bad root inode %pU\n", | |
243 | get_khandle_from_ino(inode)); | |
244 | } else { | |
245 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
246 | "*** making bad inode %pU\n", | |
247 | get_khandle_from_ino(inode)); | |
248 | make_bad_inode(inode); | |
249 | } | |
250 | } | |
251 | ||
480e5ae9 | 252 | static int orangefs_inode_is_stale(struct inode *inode, |
26662633 MB |
253 | struct ORANGEFS_sys_attr_s *attrs, char *link_target) |
254 | { | |
255 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
256 | int type = orangefs_inode_type(attrs->objtype); | |
480e5ae9 MB |
257 | /* |
258 | * If the inode type or symlink target have changed then this | |
259 | * inode is stale. | |
260 | */ | |
261 | if (type == -1 || !(inode->i_mode & type)) { | |
262 | orangefs_make_bad_inode(inode); | |
263 | return 1; | |
264 | } | |
265 | if (type == S_IFLNK && strncmp(orangefs_inode->link_target, | |
266 | link_target, ORANGEFS_NAME_MAX)) { | |
267 | orangefs_make_bad_inode(inode); | |
268 | return 1; | |
26662633 MB |
269 | } |
270 | return 0; | |
271 | } | |
272 | ||
68a24a6c MB |
273 | int orangefs_inode_getattr(struct inode *inode, int new, int bypass, |
274 | u32 request_mask) | |
3c9cf98d MB |
275 | { |
276 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
277 | struct orangefs_kernel_op_s *new_op; | |
278 | loff_t inode_size, rounded_up_size; | |
26662633 | 279 | int ret, type; |
3c9cf98d MB |
280 | |
281 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__, | |
282 | get_khandle_from_ino(inode)); | |
283 | ||
71680c18 | 284 | if (!new && !bypass) { |
68a24a6c MB |
285 | /* |
286 | * Must have all the attributes in the mask and be within cache | |
287 | * time. | |
288 | */ | |
289 | if ((request_mask & orangefs_inode->getattr_mask) == | |
290 | request_mask && | |
291 | time_before(jiffies, orangefs_inode->getattr_time)) | |
71680c18 MB |
292 | return 0; |
293 | } | |
294 | ||
3c9cf98d MB |
295 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); |
296 | if (!new_op) | |
297 | return -ENOMEM; | |
298 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
68a24a6c MB |
299 | /* |
300 | * Size is the hardest attribute to get. The incremental cost of any | |
301 | * other attribute is essentially zero. | |
302 | */ | |
303 | if (request_mask & STATX_SIZE || new) | |
304 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_ALL_NOHINT; | |
305 | else | |
306 | new_op->upcall.req.getattr.mask = | |
307 | ORANGEFS_ATTR_SYS_ALL_NOHINT & ~ORANGEFS_ATTR_SYS_SIZE; | |
3c9cf98d MB |
308 | |
309 | ret = service_operation(new_op, __func__, | |
310 | get_interruptible_flag(inode)); | |
311 | if (ret != 0) | |
312 | goto out; | |
313 | ||
480e5ae9 MB |
314 | if (!new) { |
315 | ret = orangefs_inode_is_stale(inode, | |
316 | &new_op->downcall.resp.getattr.attributes, | |
317 | new_op->downcall.resp.getattr.link_target); | |
318 | if (ret) { | |
319 | ret = -ESTALE; | |
320 | goto out; | |
321 | } | |
3c9cf98d MB |
322 | } |
323 | ||
480e5ae9 MB |
324 | type = orangefs_inode_type(new_op-> |
325 | downcall.resp.getattr.attributes.objtype); | |
26662633 | 326 | switch (type) { |
3c9cf98d MB |
327 | case S_IFREG: |
328 | inode->i_flags = orangefs_inode_flags(&new_op-> | |
329 | downcall.resp.getattr.attributes); | |
68a24a6c MB |
330 | if (request_mask & STATX_SIZE || new) { |
331 | inode_size = (loff_t)new_op-> | |
332 | downcall.resp.getattr.attributes.size; | |
333 | rounded_up_size = | |
334 | (inode_size + (4096 - (inode_size % 4096))); | |
335 | inode->i_size = inode_size; | |
336 | orangefs_inode->blksize = | |
337 | new_op->downcall.resp.getattr.attributes.blksize; | |
338 | spin_lock(&inode->i_lock); | |
339 | inode->i_bytes = inode_size; | |
340 | inode->i_blocks = | |
341 | (unsigned long)(rounded_up_size / 512); | |
342 | spin_unlock(&inode->i_lock); | |
343 | } | |
3c9cf98d MB |
344 | break; |
345 | case S_IFDIR: | |
68a24a6c MB |
346 | if (request_mask & STATX_SIZE || new) { |
347 | inode->i_size = PAGE_SIZE; | |
348 | orangefs_inode->blksize = i_blocksize(inode); | |
349 | spin_lock(&inode->i_lock); | |
350 | inode_set_bytes(inode, inode->i_size); | |
351 | spin_unlock(&inode->i_lock); | |
352 | } | |
3c9cf98d MB |
353 | set_nlink(inode, 1); |
354 | break; | |
355 | case S_IFLNK: | |
356 | if (new) { | |
357 | inode->i_size = (loff_t)strlen(new_op-> | |
358 | downcall.resp.getattr.link_target); | |
93407472 | 359 | orangefs_inode->blksize = i_blocksize(inode); |
2eacea74 | 360 | ret = strscpy(orangefs_inode->link_target, |
3c9cf98d MB |
361 | new_op->downcall.resp.getattr.link_target, |
362 | ORANGEFS_NAME_MAX); | |
2eacea74 MB |
363 | if (ret == -E2BIG) { |
364 | ret = -EIO; | |
365 | goto out; | |
366 | } | |
e8da254c | 367 | inode->i_link = orangefs_inode->link_target; |
3c9cf98d MB |
368 | } |
369 | break; | |
480e5ae9 MB |
370 | /* i.e. -1 */ |
371 | default: | |
372 | /* XXX: ESTALE? This is what is done if it is not new. */ | |
373 | orangefs_make_bad_inode(inode); | |
374 | ret = -ESTALE; | |
375 | goto out; | |
3c9cf98d MB |
376 | } |
377 | ||
378 | inode->i_uid = make_kuid(&init_user_ns, new_op-> | |
379 | downcall.resp.getattr.attributes.owner); | |
380 | inode->i_gid = make_kgid(&init_user_ns, new_op-> | |
381 | downcall.resp.getattr.attributes.group); | |
382 | inode->i_atime.tv_sec = (time64_t)new_op-> | |
383 | downcall.resp.getattr.attributes.atime; | |
384 | inode->i_mtime.tv_sec = (time64_t)new_op-> | |
385 | downcall.resp.getattr.attributes.mtime; | |
386 | inode->i_ctime.tv_sec = (time64_t)new_op-> | |
387 | downcall.resp.getattr.attributes.ctime; | |
388 | inode->i_atime.tv_nsec = 0; | |
389 | inode->i_mtime.tv_nsec = 0; | |
390 | inode->i_ctime.tv_nsec = 0; | |
391 | ||
392 | /* special case: mark the root inode as sticky */ | |
26662633 | 393 | inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) | |
3c9cf98d MB |
394 | orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes); |
395 | ||
1d503617 MB |
396 | orangefs_inode->getattr_time = jiffies + |
397 | orangefs_getattr_timeout_msecs*HZ/1000; | |
68a24a6c MB |
398 | if (request_mask & STATX_SIZE || new) |
399 | orangefs_inode->getattr_mask = STATX_BASIC_STATS; | |
400 | else | |
401 | orangefs_inode->getattr_mask = STATX_BASIC_STATS & ~STATX_SIZE; | |
3c9cf98d MB |
402 | ret = 0; |
403 | out: | |
404 | op_release(new_op); | |
405 | return ret; | |
406 | } | |
407 | ||
5859d77e MB |
408 | int orangefs_inode_check_changed(struct inode *inode) |
409 | { | |
410 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
411 | struct orangefs_kernel_op_s *new_op; | |
412 | int ret; | |
413 | ||
414 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__, | |
415 | get_khandle_from_ino(inode)); | |
416 | ||
417 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); | |
418 | if (!new_op) | |
419 | return -ENOMEM; | |
420 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
421 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_TYPE | | |
422 | ORANGEFS_ATTR_SYS_LNK_TARGET; | |
423 | ||
424 | ret = service_operation(new_op, __func__, | |
425 | get_interruptible_flag(inode)); | |
426 | if (ret != 0) | |
427 | goto out; | |
428 | ||
480e5ae9 | 429 | ret = orangefs_inode_is_stale(inode, |
26662633 MB |
430 | &new_op->downcall.resp.getattr.attributes, |
431 | new_op->downcall.resp.getattr.link_target); | |
5859d77e MB |
432 | out: |
433 | op_release(new_op); | |
434 | return ret; | |
435 | } | |
436 | ||
f7be4ee0 | 437 | /* |
8bb8aefd | 438 | * issues a orangefs setattr request to make sure the new attribute values |
f7be4ee0 MM |
439 | * take effect if successful. returns 0 on success; -errno otherwise |
440 | */ | |
8bb8aefd | 441 | int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr) |
f7be4ee0 | 442 | { |
8bb8aefd YL |
443 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
444 | struct orangefs_kernel_op_s *new_op; | |
f7be4ee0 MM |
445 | int ret; |
446 | ||
8bb8aefd | 447 | new_op = op_alloc(ORANGEFS_VFS_OP_SETATTR); |
f7be4ee0 MM |
448 | if (!new_op) |
449 | return -ENOMEM; | |
450 | ||
8bb8aefd | 451 | new_op->upcall.req.setattr.refn = orangefs_inode->refn; |
f7be4ee0 MM |
452 | ret = copy_attributes_from_inode(inode, |
453 | &new_op->upcall.req.setattr.attributes, | |
454 | iattr); | |
ed42fe05 AV |
455 | if (ret >= 0) { |
456 | ret = service_operation(new_op, __func__, | |
f7be4ee0 MM |
457 | get_interruptible_flag(inode)); |
458 | ||
ed42fe05 AV |
459 | gossip_debug(GOSSIP_UTILS_DEBUG, |
460 | "orangefs_inode_setattr: returning %d\n", | |
461 | ret); | |
462 | } | |
f7be4ee0 | 463 | |
f7be4ee0 MM |
464 | op_release(new_op); |
465 | ||
a55f2d86 | 466 | if (ret == 0) |
8bbb20a8 | 467 | orangefs_inode->getattr_time = jiffies - 1; |
f7be4ee0 MM |
468 | |
469 | return ret; | |
470 | } | |
471 | ||
54804949 MM |
472 | /* |
473 | * The following is a very dirty hack that is now a permanent part of the | |
8bb8aefd | 474 | * ORANGEFS protocol. See protocol.h for more error definitions. |
54804949 | 475 | */ |
894ac432 | 476 | |
8bb8aefd | 477 | /* The order matches include/orangefs-types.h in the OrangeFS source. */ |
894ac432 | 478 | static int PINT_errno_mapping[] = { |
54804949 MM |
479 | 0, EPERM, ENOENT, EINTR, EIO, ENXIO, EBADF, EAGAIN, ENOMEM, |
480 | EFAULT, EBUSY, EEXIST, ENODEV, ENOTDIR, EISDIR, EINVAL, EMFILE, | |
481 | EFBIG, ENOSPC, EROFS, EMLINK, EPIPE, EDEADLK, ENAMETOOLONG, | |
482 | ENOLCK, ENOSYS, ENOTEMPTY, ELOOP, EWOULDBLOCK, ENOMSG, EUNATCH, | |
483 | EBADR, EDEADLOCK, ENODATA, ETIME, ENONET, EREMOTE, ECOMM, | |
484 | EPROTO, EBADMSG, EOVERFLOW, ERESTART, EMSGSIZE, EPROTOTYPE, | |
485 | ENOPROTOOPT, EPROTONOSUPPORT, EOPNOTSUPP, EADDRINUSE, | |
486 | EADDRNOTAVAIL, ENETDOWN, ENETUNREACH, ENETRESET, ENOBUFS, | |
487 | ETIMEDOUT, ECONNREFUSED, EHOSTDOWN, EHOSTUNREACH, EALREADY, | |
488 | EACCES, ECONNRESET, ERANGE | |
894ac432 | 489 | }; |
f7be4ee0 | 490 | |
8bb8aefd | 491 | int orangefs_normalize_to_errno(__s32 error_code) |
f7be4ee0 | 492 | { |
54804949 MM |
493 | __u32 i; |
494 | ||
894ac432 MB |
495 | /* Success */ |
496 | if (error_code == 0) { | |
497 | return 0; | |
54804949 MM |
498 | /* |
499 | * This shouldn't ever happen. If it does it should be fixed on the | |
500 | * server. | |
501 | */ | |
894ac432 | 502 | } else if (error_code > 0) { |
bc8282a7 | 503 | gossip_err("orangefs: error status received.\n"); |
8bb8aefd | 504 | gossip_err("orangefs: assuming error code is inverted.\n"); |
f7be4ee0 MM |
505 | error_code = -error_code; |
506 | } | |
507 | ||
54804949 | 508 | /* |
8bb8aefd | 509 | * XXX: This is very bad since error codes from ORANGEFS may not be |
54804949 MM |
510 | * suitable for return into userspace. |
511 | */ | |
894ac432 | 512 | |
54804949 | 513 | /* |
8bb8aefd | 514 | * Convert ORANGEFS error values into errno values suitable for return |
54804949 MM |
515 | * from the kernel. |
516 | */ | |
8bb8aefd | 517 | if ((-error_code) & ORANGEFS_NON_ERRNO_ERROR_BIT) { |
894ac432 | 518 | if (((-error_code) & |
8bb8aefd YL |
519 | (ORANGEFS_ERROR_NUMBER_BITS|ORANGEFS_NON_ERRNO_ERROR_BIT| |
520 | ORANGEFS_ERROR_BIT)) == ORANGEFS_ECANCEL) { | |
f7be4ee0 MM |
521 | /* |
522 | * cancellation error codes generally correspond to | |
523 | * a timeout from the client's perspective | |
524 | */ | |
525 | error_code = -ETIMEDOUT; | |
526 | } else { | |
527 | /* assume a default error code */ | |
8bb8aefd | 528 | gossip_err("orangefs: warning: got error code without errno equivalent: %d.\n", error_code); |
f7be4ee0 MM |
529 | error_code = -EINVAL; |
530 | } | |
894ac432 | 531 | |
8bb8aefd YL |
532 | /* Convert ORANGEFS encoded errno values into regular errno values. */ |
533 | } else if ((-error_code) & ORANGEFS_ERROR_BIT) { | |
534 | i = (-error_code) & ~(ORANGEFS_ERROR_BIT|ORANGEFS_ERROR_CLASS_BITS); | |
296200d3 | 535 | if (i < ARRAY_SIZE(PINT_errno_mapping)) |
894ac432 MB |
536 | error_code = -PINT_errno_mapping[i]; |
537 | else | |
538 | error_code = -EINVAL; | |
539 | ||
54804949 | 540 | /* |
8bb8aefd | 541 | * Only ORANGEFS protocol error codes should ever come here. Otherwise |
54804949 MM |
542 | * there is a bug somewhere. |
543 | */ | |
894ac432 | 544 | } else { |
8bb8aefd | 545 | gossip_err("orangefs: orangefs_normalize_to_errno: got error code which is not from ORANGEFS.\n"); |
cf546ab6 | 546 | error_code = -EINVAL; |
f7be4ee0 MM |
547 | } |
548 | return error_code; | |
549 | } | |
550 | ||
551 | #define NUM_MODES 11 | |
8bb8aefd | 552 | __s32 ORANGEFS_util_translate_mode(int mode) |
f7be4ee0 MM |
553 | { |
554 | int ret = 0; | |
555 | int i = 0; | |
556 | static int modes[NUM_MODES] = { | |
557 | S_IXOTH, S_IWOTH, S_IROTH, | |
558 | S_IXGRP, S_IWGRP, S_IRGRP, | |
559 | S_IXUSR, S_IWUSR, S_IRUSR, | |
560 | S_ISGID, S_ISUID | |
561 | }; | |
8bb8aefd YL |
562 | static int orangefs_modes[NUM_MODES] = { |
563 | ORANGEFS_O_EXECUTE, ORANGEFS_O_WRITE, ORANGEFS_O_READ, | |
564 | ORANGEFS_G_EXECUTE, ORANGEFS_G_WRITE, ORANGEFS_G_READ, | |
565 | ORANGEFS_U_EXECUTE, ORANGEFS_U_WRITE, ORANGEFS_U_READ, | |
566 | ORANGEFS_G_SGID, ORANGEFS_U_SUID | |
f7be4ee0 MM |
567 | }; |
568 | ||
569 | for (i = 0; i < NUM_MODES; i++) | |
570 | if (mode & modes[i]) | |
8bb8aefd | 571 | ret |= orangefs_modes[i]; |
f7be4ee0 MM |
572 | |
573 | return ret; | |
574 | } | |
575 | #undef NUM_MODES |