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Commit | Line | Data |
---|---|---|
f7be4ee0 MM |
1 | /* |
2 | * (C) 2001 Clemson University and The University of Chicago | |
3 | * | |
4 | * See COPYING in top-level directory. | |
5 | */ | |
6 | #include "protocol.h" | |
575e9461 MM |
7 | #include "orangefs-kernel.h" |
8 | #include "orangefs-dev-proto.h" | |
9 | #include "orangefs-bufmap.h" | |
f7be4ee0 | 10 | |
8bb8aefd | 11 | __s32 fsid_of_op(struct orangefs_kernel_op_s *op) |
f7be4ee0 | 12 | { |
8bb8aefd | 13 | __s32 fsid = ORANGEFS_FS_ID_NULL; |
f7be4ee0 MM |
14 | |
15 | if (op) { | |
16 | switch (op->upcall.type) { | |
8bb8aefd | 17 | case ORANGEFS_VFS_OP_FILE_IO: |
f7be4ee0 MM |
18 | fsid = op->upcall.req.io.refn.fs_id; |
19 | break; | |
8bb8aefd | 20 | case ORANGEFS_VFS_OP_LOOKUP: |
f7be4ee0 MM |
21 | fsid = op->upcall.req.lookup.parent_refn.fs_id; |
22 | break; | |
8bb8aefd | 23 | case ORANGEFS_VFS_OP_CREATE: |
f7be4ee0 MM |
24 | fsid = op->upcall.req.create.parent_refn.fs_id; |
25 | break; | |
8bb8aefd | 26 | case ORANGEFS_VFS_OP_GETATTR: |
f7be4ee0 MM |
27 | fsid = op->upcall.req.getattr.refn.fs_id; |
28 | break; | |
8bb8aefd | 29 | case ORANGEFS_VFS_OP_REMOVE: |
f7be4ee0 MM |
30 | fsid = op->upcall.req.remove.parent_refn.fs_id; |
31 | break; | |
8bb8aefd | 32 | case ORANGEFS_VFS_OP_MKDIR: |
f7be4ee0 MM |
33 | fsid = op->upcall.req.mkdir.parent_refn.fs_id; |
34 | break; | |
8bb8aefd | 35 | case ORANGEFS_VFS_OP_READDIR: |
f7be4ee0 MM |
36 | fsid = op->upcall.req.readdir.refn.fs_id; |
37 | break; | |
8bb8aefd | 38 | case ORANGEFS_VFS_OP_SETATTR: |
f7be4ee0 MM |
39 | fsid = op->upcall.req.setattr.refn.fs_id; |
40 | break; | |
8bb8aefd | 41 | case ORANGEFS_VFS_OP_SYMLINK: |
f7be4ee0 MM |
42 | fsid = op->upcall.req.sym.parent_refn.fs_id; |
43 | break; | |
8bb8aefd | 44 | case ORANGEFS_VFS_OP_RENAME: |
f7be4ee0 MM |
45 | fsid = op->upcall.req.rename.old_parent_refn.fs_id; |
46 | break; | |
8bb8aefd | 47 | case ORANGEFS_VFS_OP_STATFS: |
f7be4ee0 MM |
48 | fsid = op->upcall.req.statfs.fs_id; |
49 | break; | |
8bb8aefd | 50 | case ORANGEFS_VFS_OP_TRUNCATE: |
f7be4ee0 MM |
51 | fsid = op->upcall.req.truncate.refn.fs_id; |
52 | break; | |
6eaff8c7 | 53 | case ORANGEFS_VFS_OP_RA_FLUSH: |
f7be4ee0 MM |
54 | fsid = op->upcall.req.ra_cache_flush.refn.fs_id; |
55 | break; | |
8bb8aefd | 56 | case ORANGEFS_VFS_OP_FS_UMOUNT: |
f7be4ee0 MM |
57 | fsid = op->upcall.req.fs_umount.fs_id; |
58 | break; | |
8bb8aefd | 59 | case ORANGEFS_VFS_OP_GETXATTR: |
f7be4ee0 MM |
60 | fsid = op->upcall.req.getxattr.refn.fs_id; |
61 | break; | |
8bb8aefd | 62 | case ORANGEFS_VFS_OP_SETXATTR: |
f7be4ee0 MM |
63 | fsid = op->upcall.req.setxattr.refn.fs_id; |
64 | break; | |
8bb8aefd | 65 | case ORANGEFS_VFS_OP_LISTXATTR: |
f7be4ee0 MM |
66 | fsid = op->upcall.req.listxattr.refn.fs_id; |
67 | break; | |
8bb8aefd | 68 | case ORANGEFS_VFS_OP_REMOVEXATTR: |
f7be4ee0 MM |
69 | fsid = op->upcall.req.removexattr.refn.fs_id; |
70 | break; | |
8bb8aefd | 71 | case ORANGEFS_VFS_OP_FSYNC: |
f7be4ee0 MM |
72 | fsid = op->upcall.req.fsync.refn.fs_id; |
73 | break; | |
74 | default: | |
75 | break; | |
76 | } | |
77 | } | |
78 | return fsid; | |
79 | } | |
80 | ||
394f647e | 81 | static int orangefs_inode_flags(struct ORANGEFS_sys_attr_s *attrs) |
f7be4ee0 | 82 | { |
394f647e | 83 | int flags = 0; |
8bb8aefd | 84 | if (attrs->flags & ORANGEFS_IMMUTABLE_FL) |
394f647e | 85 | flags |= S_IMMUTABLE; |
f7be4ee0 | 86 | else |
394f647e | 87 | flags &= ~S_IMMUTABLE; |
8bb8aefd | 88 | if (attrs->flags & ORANGEFS_APPEND_FL) |
394f647e | 89 | flags |= S_APPEND; |
f7be4ee0 | 90 | else |
394f647e | 91 | flags &= ~S_APPEND; |
8bb8aefd | 92 | if (attrs->flags & ORANGEFS_NOATIME_FL) |
394f647e | 93 | flags |= S_NOATIME; |
f7be4ee0 | 94 | else |
394f647e MB |
95 | flags &= ~S_NOATIME; |
96 | return flags; | |
97 | } | |
98 | ||
99 | static int orangefs_inode_perms(struct ORANGEFS_sys_attr_s *attrs) | |
100 | { | |
101 | int perm_mode = 0; | |
102 | ||
103 | if (attrs->perms & ORANGEFS_O_EXECUTE) | |
104 | perm_mode |= S_IXOTH; | |
105 | if (attrs->perms & ORANGEFS_O_WRITE) | |
106 | perm_mode |= S_IWOTH; | |
107 | if (attrs->perms & ORANGEFS_O_READ) | |
108 | perm_mode |= S_IROTH; | |
109 | ||
110 | if (attrs->perms & ORANGEFS_G_EXECUTE) | |
111 | perm_mode |= S_IXGRP; | |
112 | if (attrs->perms & ORANGEFS_G_WRITE) | |
113 | perm_mode |= S_IWGRP; | |
114 | if (attrs->perms & ORANGEFS_G_READ) | |
115 | perm_mode |= S_IRGRP; | |
f7be4ee0 | 116 | |
394f647e MB |
117 | if (attrs->perms & ORANGEFS_U_EXECUTE) |
118 | perm_mode |= S_IXUSR; | |
119 | if (attrs->perms & ORANGEFS_U_WRITE) | |
120 | perm_mode |= S_IWUSR; | |
121 | if (attrs->perms & ORANGEFS_U_READ) | |
122 | perm_mode |= S_IRUSR; | |
123 | ||
124 | if (attrs->perms & ORANGEFS_G_SGID) | |
125 | perm_mode |= S_ISGID; | |
126 | if (attrs->perms & ORANGEFS_U_SUID) | |
127 | perm_mode |= S_ISUID; | |
128 | ||
129 | return perm_mode; | |
f7be4ee0 MM |
130 | } |
131 | ||
f7be4ee0 MM |
132 | /* |
133 | * NOTE: in kernel land, we never use the sys_attr->link_target for | |
134 | * anything, so don't bother copying it into the sys_attr object here. | |
135 | */ | |
136 | static inline int copy_attributes_from_inode(struct inode *inode, | |
8bb8aefd | 137 | struct ORANGEFS_sys_attr_s *attrs, |
f7be4ee0 MM |
138 | struct iattr *iattr) |
139 | { | |
140 | umode_t tmp_mode; | |
141 | ||
142 | if (!iattr || !inode || !attrs) { | |
143 | gossip_err("NULL iattr (%p), inode (%p), attrs (%p) " | |
144 | "in copy_attributes_from_inode!\n", | |
145 | iattr, | |
146 | inode, | |
147 | attrs); | |
148 | return -EINVAL; | |
149 | } | |
150 | /* | |
151 | * We need to be careful to only copy the attributes out of the | |
152 | * iattr object that we know are valid. | |
153 | */ | |
154 | attrs->mask = 0; | |
155 | if (iattr->ia_valid & ATTR_UID) { | |
78fee0b6 | 156 | attrs->owner = from_kuid(&init_user_ns, iattr->ia_uid); |
8bb8aefd | 157 | attrs->mask |= ORANGEFS_ATTR_SYS_UID; |
f7be4ee0 MM |
158 | gossip_debug(GOSSIP_UTILS_DEBUG, "(UID) %d\n", attrs->owner); |
159 | } | |
160 | if (iattr->ia_valid & ATTR_GID) { | |
78fee0b6 | 161 | attrs->group = from_kgid(&init_user_ns, iattr->ia_gid); |
8bb8aefd | 162 | attrs->mask |= ORANGEFS_ATTR_SYS_GID; |
f7be4ee0 MM |
163 | gossip_debug(GOSSIP_UTILS_DEBUG, "(GID) %d\n", attrs->group); |
164 | } | |
165 | ||
166 | if (iattr->ia_valid & ATTR_ATIME) { | |
8bb8aefd | 167 | attrs->mask |= ORANGEFS_ATTR_SYS_ATIME; |
f7be4ee0 | 168 | if (iattr->ia_valid & ATTR_ATIME_SET) { |
be81ce48 | 169 | attrs->atime = (time64_t)iattr->ia_atime.tv_sec; |
8bb8aefd | 170 | attrs->mask |= ORANGEFS_ATTR_SYS_ATIME_SET; |
f7be4ee0 MM |
171 | } |
172 | } | |
173 | if (iattr->ia_valid & ATTR_MTIME) { | |
8bb8aefd | 174 | attrs->mask |= ORANGEFS_ATTR_SYS_MTIME; |
f7be4ee0 | 175 | if (iattr->ia_valid & ATTR_MTIME_SET) { |
be81ce48 | 176 | attrs->mtime = (time64_t)iattr->ia_mtime.tv_sec; |
8bb8aefd | 177 | attrs->mask |= ORANGEFS_ATTR_SYS_MTIME_SET; |
f7be4ee0 MM |
178 | } |
179 | } | |
180 | if (iattr->ia_valid & ATTR_CTIME) | |
8bb8aefd | 181 | attrs->mask |= ORANGEFS_ATTR_SYS_CTIME; |
f7be4ee0 MM |
182 | |
183 | /* | |
8bb8aefd | 184 | * ORANGEFS cannot set size with a setattr operation. Probably not likely |
f7be4ee0 MM |
185 | * to be requested through the VFS, but just in case, don't worry about |
186 | * ATTR_SIZE | |
187 | */ | |
188 | ||
189 | if (iattr->ia_valid & ATTR_MODE) { | |
190 | tmp_mode = iattr->ia_mode; | |
191 | if (tmp_mode & (S_ISVTX)) { | |
192 | if (is_root_handle(inode)) { | |
193 | /* | |
194 | * allow sticky bit to be set on root (since | |
195 | * it shows up that way by default anyhow), | |
196 | * but don't show it to the server | |
197 | */ | |
198 | tmp_mode -= S_ISVTX; | |
199 | } else { | |
200 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
201 | "User attempted to set sticky bit on non-root directory; returning EINVAL.\n"); | |
202 | return -EINVAL; | |
203 | } | |
204 | } | |
205 | ||
206 | if (tmp_mode & (S_ISUID)) { | |
207 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
208 | "Attempting to set setuid bit (not supported); returning EINVAL.\n"); | |
209 | return -EINVAL; | |
210 | } | |
211 | ||
8bb8aefd YL |
212 | attrs->perms = ORANGEFS_util_translate_mode(tmp_mode); |
213 | attrs->mask |= ORANGEFS_ATTR_SYS_PERM; | |
f7be4ee0 MM |
214 | } |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
3c9cf98d MB |
219 | static int orangefs_inode_type(enum orangefs_ds_type objtype) |
220 | { | |
221 | if (objtype == ORANGEFS_TYPE_METAFILE) | |
222 | return S_IFREG; | |
223 | else if (objtype == ORANGEFS_TYPE_DIRECTORY) | |
224 | return S_IFDIR; | |
225 | else if (objtype == ORANGEFS_TYPE_SYMLINK) | |
226 | return S_IFLNK; | |
227 | else | |
228 | return -1; | |
229 | } | |
230 | ||
26662633 MB |
231 | static int orangefs_inode_is_stale(struct inode *inode, int new, |
232 | struct ORANGEFS_sys_attr_s *attrs, char *link_target) | |
233 | { | |
234 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
235 | int type = orangefs_inode_type(attrs->objtype); | |
236 | if (!new) { | |
237 | /* | |
238 | * If the inode type or symlink target have changed then this | |
239 | * inode is stale. | |
240 | */ | |
241 | if (type == -1 || !(inode->i_mode & type)) { | |
242 | orangefs_make_bad_inode(inode); | |
243 | return 1; | |
244 | } | |
245 | if (type == S_IFLNK && strncmp(orangefs_inode->link_target, | |
246 | link_target, ORANGEFS_NAME_MAX)) { | |
247 | orangefs_make_bad_inode(inode); | |
248 | return 1; | |
249 | } | |
250 | } | |
251 | return 0; | |
252 | } | |
253 | ||
71680c18 | 254 | int orangefs_inode_getattr(struct inode *inode, int new, int bypass) |
3c9cf98d MB |
255 | { |
256 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
257 | struct orangefs_kernel_op_s *new_op; | |
258 | loff_t inode_size, rounded_up_size; | |
26662633 | 259 | int ret, type; |
3c9cf98d MB |
260 | |
261 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__, | |
262 | get_khandle_from_ino(inode)); | |
263 | ||
71680c18 | 264 | if (!new && !bypass) { |
8bbb20a8 | 265 | if (time_before(jiffies, orangefs_inode->getattr_time)) |
71680c18 MB |
266 | return 0; |
267 | } | |
268 | ||
3c9cf98d MB |
269 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); |
270 | if (!new_op) | |
271 | return -ENOMEM; | |
272 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
71680c18 | 273 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_ALL_NOHINT; |
3c9cf98d MB |
274 | |
275 | ret = service_operation(new_op, __func__, | |
276 | get_interruptible_flag(inode)); | |
277 | if (ret != 0) | |
278 | goto out; | |
279 | ||
26662633 | 280 | type = orangefs_inode_type(new_op-> |
3c9cf98d | 281 | downcall.resp.getattr.attributes.objtype); |
26662633 MB |
282 | ret = orangefs_inode_is_stale(inode, new, |
283 | &new_op->downcall.resp.getattr.attributes, | |
284 | new_op->downcall.resp.getattr.link_target); | |
285 | if (ret) { | |
286 | ret = -ESTALE; | |
287 | goto out; | |
3c9cf98d MB |
288 | } |
289 | ||
26662633 | 290 | switch (type) { |
3c9cf98d MB |
291 | case S_IFREG: |
292 | inode->i_flags = orangefs_inode_flags(&new_op-> | |
293 | downcall.resp.getattr.attributes); | |
71680c18 MB |
294 | inode_size = (loff_t)new_op-> |
295 | downcall.resp.getattr.attributes.size; | |
296 | rounded_up_size = | |
297 | (inode_size + (4096 - (inode_size % 4096))); | |
298 | inode->i_size = inode_size; | |
299 | orangefs_inode->blksize = | |
300 | new_op->downcall.resp.getattr.attributes.blksize; | |
301 | spin_lock(&inode->i_lock); | |
302 | inode->i_bytes = inode_size; | |
303 | inode->i_blocks = | |
304 | (unsigned long)(rounded_up_size / 512); | |
305 | spin_unlock(&inode->i_lock); | |
3c9cf98d MB |
306 | break; |
307 | case S_IFDIR: | |
09cbfeaf | 308 | inode->i_size = PAGE_SIZE; |
3c9cf98d MB |
309 | orangefs_inode->blksize = (1 << inode->i_blkbits); |
310 | spin_lock(&inode->i_lock); | |
311 | inode_set_bytes(inode, inode->i_size); | |
312 | spin_unlock(&inode->i_lock); | |
313 | set_nlink(inode, 1); | |
314 | break; | |
315 | case S_IFLNK: | |
316 | if (new) { | |
317 | inode->i_size = (loff_t)strlen(new_op-> | |
318 | downcall.resp.getattr.link_target); | |
319 | orangefs_inode->blksize = (1 << inode->i_blkbits); | |
2eacea74 | 320 | ret = strscpy(orangefs_inode->link_target, |
3c9cf98d MB |
321 | new_op->downcall.resp.getattr.link_target, |
322 | ORANGEFS_NAME_MAX); | |
2eacea74 MB |
323 | if (ret == -E2BIG) { |
324 | ret = -EIO; | |
325 | goto out; | |
326 | } | |
e8da254c | 327 | inode->i_link = orangefs_inode->link_target; |
3c9cf98d MB |
328 | } |
329 | break; | |
330 | } | |
331 | ||
332 | inode->i_uid = make_kuid(&init_user_ns, new_op-> | |
333 | downcall.resp.getattr.attributes.owner); | |
334 | inode->i_gid = make_kgid(&init_user_ns, new_op-> | |
335 | downcall.resp.getattr.attributes.group); | |
336 | inode->i_atime.tv_sec = (time64_t)new_op-> | |
337 | downcall.resp.getattr.attributes.atime; | |
338 | inode->i_mtime.tv_sec = (time64_t)new_op-> | |
339 | downcall.resp.getattr.attributes.mtime; | |
340 | inode->i_ctime.tv_sec = (time64_t)new_op-> | |
341 | downcall.resp.getattr.attributes.ctime; | |
342 | inode->i_atime.tv_nsec = 0; | |
343 | inode->i_mtime.tv_nsec = 0; | |
344 | inode->i_ctime.tv_nsec = 0; | |
345 | ||
346 | /* special case: mark the root inode as sticky */ | |
26662633 | 347 | inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) | |
3c9cf98d MB |
348 | orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes); |
349 | ||
4cd8f319 | 350 | orangefs_inode->getattr_time = jiffies + getattr_timeout_msecs*HZ/1000; |
3c9cf98d MB |
351 | ret = 0; |
352 | out: | |
353 | op_release(new_op); | |
354 | return ret; | |
355 | } | |
356 | ||
5859d77e MB |
357 | int orangefs_inode_check_changed(struct inode *inode) |
358 | { | |
359 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
360 | struct orangefs_kernel_op_s *new_op; | |
361 | int ret; | |
362 | ||
363 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__, | |
364 | get_khandle_from_ino(inode)); | |
365 | ||
366 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); | |
367 | if (!new_op) | |
368 | return -ENOMEM; | |
369 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
370 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_TYPE | | |
371 | ORANGEFS_ATTR_SYS_LNK_TARGET; | |
372 | ||
373 | ret = service_operation(new_op, __func__, | |
374 | get_interruptible_flag(inode)); | |
375 | if (ret != 0) | |
376 | goto out; | |
377 | ||
26662633 MB |
378 | ret = orangefs_inode_is_stale(inode, 0, |
379 | &new_op->downcall.resp.getattr.attributes, | |
380 | new_op->downcall.resp.getattr.link_target); | |
5859d77e MB |
381 | out: |
382 | op_release(new_op); | |
383 | return ret; | |
384 | } | |
385 | ||
f7be4ee0 | 386 | /* |
8bb8aefd | 387 | * issues a orangefs setattr request to make sure the new attribute values |
f7be4ee0 MM |
388 | * take effect if successful. returns 0 on success; -errno otherwise |
389 | */ | |
8bb8aefd | 390 | int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr) |
f7be4ee0 | 391 | { |
8bb8aefd YL |
392 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
393 | struct orangefs_kernel_op_s *new_op; | |
f7be4ee0 MM |
394 | int ret; |
395 | ||
8bb8aefd | 396 | new_op = op_alloc(ORANGEFS_VFS_OP_SETATTR); |
f7be4ee0 MM |
397 | if (!new_op) |
398 | return -ENOMEM; | |
399 | ||
8bb8aefd | 400 | new_op->upcall.req.setattr.refn = orangefs_inode->refn; |
f7be4ee0 MM |
401 | ret = copy_attributes_from_inode(inode, |
402 | &new_op->upcall.req.setattr.attributes, | |
403 | iattr); | |
ed42fe05 AV |
404 | if (ret >= 0) { |
405 | ret = service_operation(new_op, __func__, | |
f7be4ee0 MM |
406 | get_interruptible_flag(inode)); |
407 | ||
ed42fe05 AV |
408 | gossip_debug(GOSSIP_UTILS_DEBUG, |
409 | "orangefs_inode_setattr: returning %d\n", | |
410 | ret); | |
411 | } | |
f7be4ee0 | 412 | |
f7be4ee0 MM |
413 | op_release(new_op); |
414 | ||
415 | /* | |
416 | * successful setattr should clear the atime, mtime and | |
417 | * ctime flags. | |
418 | */ | |
419 | if (ret == 0) { | |
8bb8aefd YL |
420 | ClearAtimeFlag(orangefs_inode); |
421 | ClearMtimeFlag(orangefs_inode); | |
422 | ClearCtimeFlag(orangefs_inode); | |
423 | ClearModeFlag(orangefs_inode); | |
8bbb20a8 | 424 | orangefs_inode->getattr_time = jiffies - 1; |
f7be4ee0 MM |
425 | } |
426 | ||
427 | return ret; | |
428 | } | |
429 | ||
8bb8aefd | 430 | int orangefs_flush_inode(struct inode *inode) |
f7be4ee0 MM |
431 | { |
432 | /* | |
433 | * If it is a dirty inode, this function gets called. | |
434 | * Gather all the information that needs to be setattr'ed | |
435 | * Right now, this will only be used for mode, atime, mtime | |
436 | * and/or ctime. | |
437 | */ | |
438 | struct iattr wbattr; | |
439 | int ret; | |
440 | int mtime_flag; | |
441 | int ctime_flag; | |
442 | int atime_flag; | |
443 | int mode_flag; | |
8bb8aefd | 444 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
f7be4ee0 MM |
445 | |
446 | memset(&wbattr, 0, sizeof(wbattr)); | |
447 | ||
448 | /* | |
449 | * check inode flags up front, and clear them if they are set. This | |
450 | * will prevent multiple processes from all trying to flush the same | |
451 | * inode if they call close() simultaneously | |
452 | */ | |
8bb8aefd YL |
453 | mtime_flag = MtimeFlag(orangefs_inode); |
454 | ClearMtimeFlag(orangefs_inode); | |
455 | ctime_flag = CtimeFlag(orangefs_inode); | |
456 | ClearCtimeFlag(orangefs_inode); | |
457 | atime_flag = AtimeFlag(orangefs_inode); | |
458 | ClearAtimeFlag(orangefs_inode); | |
459 | mode_flag = ModeFlag(orangefs_inode); | |
460 | ClearModeFlag(orangefs_inode); | |
f7be4ee0 MM |
461 | |
462 | /* -- Lazy atime,mtime and ctime update -- | |
463 | * Note: all times are dictated by server in the new scheme | |
464 | * and not by the clients | |
465 | * | |
466 | * Also mode updates are being handled now.. | |
467 | */ | |
468 | ||
469 | if (mtime_flag) | |
470 | wbattr.ia_valid |= ATTR_MTIME; | |
471 | if (ctime_flag) | |
472 | wbattr.ia_valid |= ATTR_CTIME; | |
473 | if (atime_flag) | |
474 | wbattr.ia_valid |= ATTR_ATIME; | |
475 | ||
476 | if (mode_flag) { | |
477 | wbattr.ia_mode = inode->i_mode; | |
478 | wbattr.ia_valid |= ATTR_MODE; | |
479 | } | |
480 | ||
481 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 482 | "*********** orangefs_flush_inode: %pU " |
f7be4ee0 MM |
483 | "(ia_valid %d)\n", |
484 | get_khandle_from_ino(inode), | |
485 | wbattr.ia_valid); | |
486 | if (wbattr.ia_valid == 0) { | |
487 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 488 | "orangefs_flush_inode skipping setattr()\n"); |
f7be4ee0 MM |
489 | return 0; |
490 | } | |
491 | ||
492 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 493 | "orangefs_flush_inode (%pU) writing mode %o\n", |
f7be4ee0 MM |
494 | get_khandle_from_ino(inode), |
495 | inode->i_mode); | |
496 | ||
8bb8aefd | 497 | ret = orangefs_inode_setattr(inode, &wbattr); |
f7be4ee0 MM |
498 | |
499 | return ret; | |
500 | } | |
501 | ||
8bb8aefd | 502 | int orangefs_unmount_sb(struct super_block *sb) |
f7be4ee0 MM |
503 | { |
504 | int ret = -EINVAL; | |
8bb8aefd | 505 | struct orangefs_kernel_op_s *new_op = NULL; |
f7be4ee0 MM |
506 | |
507 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 508 | "orangefs_unmount_sb called on sb %p\n", |
f7be4ee0 MM |
509 | sb); |
510 | ||
8bb8aefd | 511 | new_op = op_alloc(ORANGEFS_VFS_OP_FS_UMOUNT); |
f7be4ee0 MM |
512 | if (!new_op) |
513 | return -ENOMEM; | |
8bb8aefd YL |
514 | new_op->upcall.req.fs_umount.id = ORANGEFS_SB(sb)->id; |
515 | new_op->upcall.req.fs_umount.fs_id = ORANGEFS_SB(sb)->fs_id; | |
516 | strncpy(new_op->upcall.req.fs_umount.orangefs_config_server, | |
517 | ORANGEFS_SB(sb)->devname, | |
518 | ORANGEFS_MAX_SERVER_ADDR_LEN); | |
f7be4ee0 MM |
519 | |
520 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd YL |
521 | "Attempting ORANGEFS Unmount via host %s\n", |
522 | new_op->upcall.req.fs_umount.orangefs_config_server); | |
f7be4ee0 | 523 | |
8bb8aefd | 524 | ret = service_operation(new_op, "orangefs_fs_umount", 0); |
f7be4ee0 MM |
525 | |
526 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 527 | "orangefs_unmount: got return value of %d\n", ret); |
f7be4ee0 MM |
528 | if (ret) |
529 | sb = ERR_PTR(ret); | |
530 | else | |
8bb8aefd | 531 | ORANGEFS_SB(sb)->mount_pending = 1; |
f7be4ee0 MM |
532 | |
533 | op_release(new_op); | |
534 | return ret; | |
535 | } | |
536 | ||
8bb8aefd | 537 | void orangefs_make_bad_inode(struct inode *inode) |
f7be4ee0 MM |
538 | { |
539 | if (is_root_handle(inode)) { | |
540 | /* | |
541 | * if this occurs, the pvfs2-client-core was killed but we | |
542 | * can't afford to lose the inode operations and such | |
543 | * associated with the root handle in any case. | |
544 | */ | |
545 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
546 | "*** NOT making bad root inode %pU\n", | |
547 | get_khandle_from_ino(inode)); | |
548 | } else { | |
549 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
550 | "*** making bad inode %pU\n", | |
551 | get_khandle_from_ino(inode)); | |
552 | make_bad_inode(inode); | |
553 | } | |
554 | } | |
555 | ||
54804949 MM |
556 | /* |
557 | * The following is a very dirty hack that is now a permanent part of the | |
8bb8aefd | 558 | * ORANGEFS protocol. See protocol.h for more error definitions. |
54804949 | 559 | */ |
894ac432 | 560 | |
8bb8aefd | 561 | /* The order matches include/orangefs-types.h in the OrangeFS source. */ |
894ac432 | 562 | static int PINT_errno_mapping[] = { |
54804949 MM |
563 | 0, EPERM, ENOENT, EINTR, EIO, ENXIO, EBADF, EAGAIN, ENOMEM, |
564 | EFAULT, EBUSY, EEXIST, ENODEV, ENOTDIR, EISDIR, EINVAL, EMFILE, | |
565 | EFBIG, ENOSPC, EROFS, EMLINK, EPIPE, EDEADLK, ENAMETOOLONG, | |
566 | ENOLCK, ENOSYS, ENOTEMPTY, ELOOP, EWOULDBLOCK, ENOMSG, EUNATCH, | |
567 | EBADR, EDEADLOCK, ENODATA, ETIME, ENONET, EREMOTE, ECOMM, | |
568 | EPROTO, EBADMSG, EOVERFLOW, ERESTART, EMSGSIZE, EPROTOTYPE, | |
569 | ENOPROTOOPT, EPROTONOSUPPORT, EOPNOTSUPP, EADDRINUSE, | |
570 | EADDRNOTAVAIL, ENETDOWN, ENETUNREACH, ENETRESET, ENOBUFS, | |
571 | ETIMEDOUT, ECONNREFUSED, EHOSTDOWN, EHOSTUNREACH, EALREADY, | |
572 | EACCES, ECONNRESET, ERANGE | |
894ac432 | 573 | }; |
f7be4ee0 | 574 | |
8bb8aefd | 575 | int orangefs_normalize_to_errno(__s32 error_code) |
f7be4ee0 | 576 | { |
54804949 MM |
577 | __u32 i; |
578 | ||
894ac432 MB |
579 | /* Success */ |
580 | if (error_code == 0) { | |
581 | return 0; | |
54804949 MM |
582 | /* |
583 | * This shouldn't ever happen. If it does it should be fixed on the | |
584 | * server. | |
585 | */ | |
894ac432 | 586 | } else if (error_code > 0) { |
8bb8aefd YL |
587 | gossip_err("orangefs: error status receieved.\n"); |
588 | gossip_err("orangefs: assuming error code is inverted.\n"); | |
f7be4ee0 MM |
589 | error_code = -error_code; |
590 | } | |
591 | ||
54804949 | 592 | /* |
8bb8aefd | 593 | * XXX: This is very bad since error codes from ORANGEFS may not be |
54804949 MM |
594 | * suitable for return into userspace. |
595 | */ | |
894ac432 | 596 | |
54804949 | 597 | /* |
8bb8aefd | 598 | * Convert ORANGEFS error values into errno values suitable for return |
54804949 MM |
599 | * from the kernel. |
600 | */ | |
8bb8aefd | 601 | if ((-error_code) & ORANGEFS_NON_ERRNO_ERROR_BIT) { |
894ac432 | 602 | if (((-error_code) & |
8bb8aefd YL |
603 | (ORANGEFS_ERROR_NUMBER_BITS|ORANGEFS_NON_ERRNO_ERROR_BIT| |
604 | ORANGEFS_ERROR_BIT)) == ORANGEFS_ECANCEL) { | |
f7be4ee0 MM |
605 | /* |
606 | * cancellation error codes generally correspond to | |
607 | * a timeout from the client's perspective | |
608 | */ | |
609 | error_code = -ETIMEDOUT; | |
610 | } else { | |
611 | /* assume a default error code */ | |
8bb8aefd | 612 | gossip_err("orangefs: warning: got error code without errno equivalent: %d.\n", error_code); |
f7be4ee0 MM |
613 | error_code = -EINVAL; |
614 | } | |
894ac432 | 615 | |
8bb8aefd YL |
616 | /* Convert ORANGEFS encoded errno values into regular errno values. */ |
617 | } else if ((-error_code) & ORANGEFS_ERROR_BIT) { | |
618 | i = (-error_code) & ~(ORANGEFS_ERROR_BIT|ORANGEFS_ERROR_CLASS_BITS); | |
54804949 | 619 | if (i < sizeof(PINT_errno_mapping)/sizeof(*PINT_errno_mapping)) |
894ac432 MB |
620 | error_code = -PINT_errno_mapping[i]; |
621 | else | |
622 | error_code = -EINVAL; | |
623 | ||
54804949 | 624 | /* |
8bb8aefd | 625 | * Only ORANGEFS protocol error codes should ever come here. Otherwise |
54804949 MM |
626 | * there is a bug somewhere. |
627 | */ | |
894ac432 | 628 | } else { |
8bb8aefd | 629 | gossip_err("orangefs: orangefs_normalize_to_errno: got error code which is not from ORANGEFS.\n"); |
f7be4ee0 MM |
630 | } |
631 | return error_code; | |
632 | } | |
633 | ||
634 | #define NUM_MODES 11 | |
8bb8aefd | 635 | __s32 ORANGEFS_util_translate_mode(int mode) |
f7be4ee0 MM |
636 | { |
637 | int ret = 0; | |
638 | int i = 0; | |
639 | static int modes[NUM_MODES] = { | |
640 | S_IXOTH, S_IWOTH, S_IROTH, | |
641 | S_IXGRP, S_IWGRP, S_IRGRP, | |
642 | S_IXUSR, S_IWUSR, S_IRUSR, | |
643 | S_ISGID, S_ISUID | |
644 | }; | |
8bb8aefd YL |
645 | static int orangefs_modes[NUM_MODES] = { |
646 | ORANGEFS_O_EXECUTE, ORANGEFS_O_WRITE, ORANGEFS_O_READ, | |
647 | ORANGEFS_G_EXECUTE, ORANGEFS_G_WRITE, ORANGEFS_G_READ, | |
648 | ORANGEFS_U_EXECUTE, ORANGEFS_U_WRITE, ORANGEFS_U_READ, | |
649 | ORANGEFS_G_SGID, ORANGEFS_U_SUID | |
f7be4ee0 MM |
650 | }; |
651 | ||
652 | for (i = 0; i < NUM_MODES; i++) | |
653 | if (mode & modes[i]) | |
8bb8aefd | 654 | ret |= orangefs_modes[i]; |
f7be4ee0 MM |
655 | |
656 | return ret; | |
657 | } | |
658 | #undef NUM_MODES |