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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 | ||
68a24a6c MB |
254 | int orangefs_inode_getattr(struct inode *inode, int new, int bypass, |
255 | u32 request_mask) | |
3c9cf98d MB |
256 | { |
257 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
258 | struct orangefs_kernel_op_s *new_op; | |
259 | loff_t inode_size, rounded_up_size; | |
26662633 | 260 | int ret, type; |
3c9cf98d MB |
261 | |
262 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__, | |
263 | get_khandle_from_ino(inode)); | |
264 | ||
71680c18 | 265 | if (!new && !bypass) { |
68a24a6c MB |
266 | /* |
267 | * Must have all the attributes in the mask and be within cache | |
268 | * time. | |
269 | */ | |
270 | if ((request_mask & orangefs_inode->getattr_mask) == | |
271 | request_mask && | |
272 | time_before(jiffies, orangefs_inode->getattr_time)) | |
71680c18 MB |
273 | return 0; |
274 | } | |
275 | ||
3c9cf98d MB |
276 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); |
277 | if (!new_op) | |
278 | return -ENOMEM; | |
279 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
68a24a6c MB |
280 | /* |
281 | * Size is the hardest attribute to get. The incremental cost of any | |
282 | * other attribute is essentially zero. | |
283 | */ | |
284 | if (request_mask & STATX_SIZE || new) | |
285 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_ALL_NOHINT; | |
286 | else | |
287 | new_op->upcall.req.getattr.mask = | |
288 | ORANGEFS_ATTR_SYS_ALL_NOHINT & ~ORANGEFS_ATTR_SYS_SIZE; | |
3c9cf98d MB |
289 | |
290 | ret = service_operation(new_op, __func__, | |
291 | get_interruptible_flag(inode)); | |
292 | if (ret != 0) | |
293 | goto out; | |
294 | ||
26662633 | 295 | type = orangefs_inode_type(new_op-> |
3c9cf98d | 296 | downcall.resp.getattr.attributes.objtype); |
26662633 MB |
297 | ret = orangefs_inode_is_stale(inode, new, |
298 | &new_op->downcall.resp.getattr.attributes, | |
299 | new_op->downcall.resp.getattr.link_target); | |
300 | if (ret) { | |
301 | ret = -ESTALE; | |
302 | goto out; | |
3c9cf98d MB |
303 | } |
304 | ||
26662633 | 305 | switch (type) { |
3c9cf98d MB |
306 | case S_IFREG: |
307 | inode->i_flags = orangefs_inode_flags(&new_op-> | |
308 | downcall.resp.getattr.attributes); | |
68a24a6c MB |
309 | if (request_mask & STATX_SIZE || new) { |
310 | inode_size = (loff_t)new_op-> | |
311 | downcall.resp.getattr.attributes.size; | |
312 | rounded_up_size = | |
313 | (inode_size + (4096 - (inode_size % 4096))); | |
314 | inode->i_size = inode_size; | |
315 | orangefs_inode->blksize = | |
316 | new_op->downcall.resp.getattr.attributes.blksize; | |
317 | spin_lock(&inode->i_lock); | |
318 | inode->i_bytes = inode_size; | |
319 | inode->i_blocks = | |
320 | (unsigned long)(rounded_up_size / 512); | |
321 | spin_unlock(&inode->i_lock); | |
322 | } | |
3c9cf98d MB |
323 | break; |
324 | case S_IFDIR: | |
68a24a6c MB |
325 | if (request_mask & STATX_SIZE || new) { |
326 | inode->i_size = PAGE_SIZE; | |
327 | orangefs_inode->blksize = i_blocksize(inode); | |
328 | spin_lock(&inode->i_lock); | |
329 | inode_set_bytes(inode, inode->i_size); | |
330 | spin_unlock(&inode->i_lock); | |
331 | } | |
3c9cf98d MB |
332 | set_nlink(inode, 1); |
333 | break; | |
334 | case S_IFLNK: | |
335 | if (new) { | |
336 | inode->i_size = (loff_t)strlen(new_op-> | |
337 | downcall.resp.getattr.link_target); | |
93407472 | 338 | orangefs_inode->blksize = i_blocksize(inode); |
2eacea74 | 339 | ret = strscpy(orangefs_inode->link_target, |
3c9cf98d MB |
340 | new_op->downcall.resp.getattr.link_target, |
341 | ORANGEFS_NAME_MAX); | |
2eacea74 MB |
342 | if (ret == -E2BIG) { |
343 | ret = -EIO; | |
344 | goto out; | |
345 | } | |
e8da254c | 346 | inode->i_link = orangefs_inode->link_target; |
3c9cf98d MB |
347 | } |
348 | break; | |
349 | } | |
350 | ||
351 | inode->i_uid = make_kuid(&init_user_ns, new_op-> | |
352 | downcall.resp.getattr.attributes.owner); | |
353 | inode->i_gid = make_kgid(&init_user_ns, new_op-> | |
354 | downcall.resp.getattr.attributes.group); | |
355 | inode->i_atime.tv_sec = (time64_t)new_op-> | |
356 | downcall.resp.getattr.attributes.atime; | |
357 | inode->i_mtime.tv_sec = (time64_t)new_op-> | |
358 | downcall.resp.getattr.attributes.mtime; | |
359 | inode->i_ctime.tv_sec = (time64_t)new_op-> | |
360 | downcall.resp.getattr.attributes.ctime; | |
361 | inode->i_atime.tv_nsec = 0; | |
362 | inode->i_mtime.tv_nsec = 0; | |
363 | inode->i_ctime.tv_nsec = 0; | |
364 | ||
365 | /* special case: mark the root inode as sticky */ | |
26662633 | 366 | inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) | |
3c9cf98d MB |
367 | orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes); |
368 | ||
1d503617 MB |
369 | orangefs_inode->getattr_time = jiffies + |
370 | orangefs_getattr_timeout_msecs*HZ/1000; | |
68a24a6c MB |
371 | if (request_mask & STATX_SIZE || new) |
372 | orangefs_inode->getattr_mask = STATX_BASIC_STATS; | |
373 | else | |
374 | orangefs_inode->getattr_mask = STATX_BASIC_STATS & ~STATX_SIZE; | |
3c9cf98d MB |
375 | ret = 0; |
376 | out: | |
377 | op_release(new_op); | |
378 | return ret; | |
379 | } | |
380 | ||
5859d77e MB |
381 | int orangefs_inode_check_changed(struct inode *inode) |
382 | { | |
383 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
384 | struct orangefs_kernel_op_s *new_op; | |
385 | int ret; | |
386 | ||
387 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__, | |
388 | get_khandle_from_ino(inode)); | |
389 | ||
390 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); | |
391 | if (!new_op) | |
392 | return -ENOMEM; | |
393 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
394 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_TYPE | | |
395 | ORANGEFS_ATTR_SYS_LNK_TARGET; | |
396 | ||
397 | ret = service_operation(new_op, __func__, | |
398 | get_interruptible_flag(inode)); | |
399 | if (ret != 0) | |
400 | goto out; | |
401 | ||
26662633 MB |
402 | ret = orangefs_inode_is_stale(inode, 0, |
403 | &new_op->downcall.resp.getattr.attributes, | |
404 | new_op->downcall.resp.getattr.link_target); | |
5859d77e MB |
405 | out: |
406 | op_release(new_op); | |
407 | return ret; | |
408 | } | |
409 | ||
f7be4ee0 | 410 | /* |
8bb8aefd | 411 | * issues a orangefs setattr request to make sure the new attribute values |
f7be4ee0 MM |
412 | * take effect if successful. returns 0 on success; -errno otherwise |
413 | */ | |
8bb8aefd | 414 | int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr) |
f7be4ee0 | 415 | { |
8bb8aefd YL |
416 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
417 | struct orangefs_kernel_op_s *new_op; | |
f7be4ee0 MM |
418 | int ret; |
419 | ||
8bb8aefd | 420 | new_op = op_alloc(ORANGEFS_VFS_OP_SETATTR); |
f7be4ee0 MM |
421 | if (!new_op) |
422 | return -ENOMEM; | |
423 | ||
8bb8aefd | 424 | new_op->upcall.req.setattr.refn = orangefs_inode->refn; |
f7be4ee0 MM |
425 | ret = copy_attributes_from_inode(inode, |
426 | &new_op->upcall.req.setattr.attributes, | |
427 | iattr); | |
ed42fe05 AV |
428 | if (ret >= 0) { |
429 | ret = service_operation(new_op, __func__, | |
f7be4ee0 MM |
430 | get_interruptible_flag(inode)); |
431 | ||
ed42fe05 AV |
432 | gossip_debug(GOSSIP_UTILS_DEBUG, |
433 | "orangefs_inode_setattr: returning %d\n", | |
434 | ret); | |
435 | } | |
f7be4ee0 | 436 | |
f7be4ee0 MM |
437 | op_release(new_op); |
438 | ||
439 | /* | |
440 | * successful setattr should clear the atime, mtime and | |
441 | * ctime flags. | |
442 | */ | |
443 | if (ret == 0) { | |
8bb8aefd YL |
444 | ClearAtimeFlag(orangefs_inode); |
445 | ClearMtimeFlag(orangefs_inode); | |
446 | ClearCtimeFlag(orangefs_inode); | |
447 | ClearModeFlag(orangefs_inode); | |
8bbb20a8 | 448 | orangefs_inode->getattr_time = jiffies - 1; |
f7be4ee0 MM |
449 | } |
450 | ||
451 | return ret; | |
452 | } | |
453 | ||
8bb8aefd | 454 | int orangefs_flush_inode(struct inode *inode) |
f7be4ee0 MM |
455 | { |
456 | /* | |
457 | * If it is a dirty inode, this function gets called. | |
458 | * Gather all the information that needs to be setattr'ed | |
459 | * Right now, this will only be used for mode, atime, mtime | |
460 | * and/or ctime. | |
461 | */ | |
462 | struct iattr wbattr; | |
463 | int ret; | |
464 | int mtime_flag; | |
465 | int ctime_flag; | |
466 | int atime_flag; | |
467 | int mode_flag; | |
8bb8aefd | 468 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
f7be4ee0 MM |
469 | |
470 | memset(&wbattr, 0, sizeof(wbattr)); | |
471 | ||
472 | /* | |
473 | * check inode flags up front, and clear them if they are set. This | |
474 | * will prevent multiple processes from all trying to flush the same | |
475 | * inode if they call close() simultaneously | |
476 | */ | |
8bb8aefd YL |
477 | mtime_flag = MtimeFlag(orangefs_inode); |
478 | ClearMtimeFlag(orangefs_inode); | |
479 | ctime_flag = CtimeFlag(orangefs_inode); | |
480 | ClearCtimeFlag(orangefs_inode); | |
481 | atime_flag = AtimeFlag(orangefs_inode); | |
482 | ClearAtimeFlag(orangefs_inode); | |
483 | mode_flag = ModeFlag(orangefs_inode); | |
484 | ClearModeFlag(orangefs_inode); | |
f7be4ee0 MM |
485 | |
486 | /* -- Lazy atime,mtime and ctime update -- | |
487 | * Note: all times are dictated by server in the new scheme | |
488 | * and not by the clients | |
489 | * | |
490 | * Also mode updates are being handled now.. | |
491 | */ | |
492 | ||
493 | if (mtime_flag) | |
494 | wbattr.ia_valid |= ATTR_MTIME; | |
495 | if (ctime_flag) | |
496 | wbattr.ia_valid |= ATTR_CTIME; | |
497 | if (atime_flag) | |
498 | wbattr.ia_valid |= ATTR_ATIME; | |
499 | ||
500 | if (mode_flag) { | |
501 | wbattr.ia_mode = inode->i_mode; | |
502 | wbattr.ia_valid |= ATTR_MODE; | |
503 | } | |
504 | ||
505 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 506 | "*********** orangefs_flush_inode: %pU " |
f7be4ee0 MM |
507 | "(ia_valid %d)\n", |
508 | get_khandle_from_ino(inode), | |
509 | wbattr.ia_valid); | |
510 | if (wbattr.ia_valid == 0) { | |
511 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 512 | "orangefs_flush_inode skipping setattr()\n"); |
f7be4ee0 MM |
513 | return 0; |
514 | } | |
515 | ||
516 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 517 | "orangefs_flush_inode (%pU) writing mode %o\n", |
f7be4ee0 MM |
518 | get_khandle_from_ino(inode), |
519 | inode->i_mode); | |
520 | ||
8bb8aefd | 521 | ret = orangefs_inode_setattr(inode, &wbattr); |
f7be4ee0 MM |
522 | |
523 | return ret; | |
524 | } | |
525 | ||
8bb8aefd | 526 | void orangefs_make_bad_inode(struct inode *inode) |
f7be4ee0 MM |
527 | { |
528 | if (is_root_handle(inode)) { | |
529 | /* | |
530 | * if this occurs, the pvfs2-client-core was killed but we | |
531 | * can't afford to lose the inode operations and such | |
532 | * associated with the root handle in any case. | |
533 | */ | |
534 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
535 | "*** NOT making bad root inode %pU\n", | |
536 | get_khandle_from_ino(inode)); | |
537 | } else { | |
538 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
539 | "*** making bad inode %pU\n", | |
540 | get_khandle_from_ino(inode)); | |
541 | make_bad_inode(inode); | |
542 | } | |
543 | } | |
544 | ||
54804949 MM |
545 | /* |
546 | * The following is a very dirty hack that is now a permanent part of the | |
8bb8aefd | 547 | * ORANGEFS protocol. See protocol.h for more error definitions. |
54804949 | 548 | */ |
894ac432 | 549 | |
8bb8aefd | 550 | /* The order matches include/orangefs-types.h in the OrangeFS source. */ |
894ac432 | 551 | static int PINT_errno_mapping[] = { |
54804949 MM |
552 | 0, EPERM, ENOENT, EINTR, EIO, ENXIO, EBADF, EAGAIN, ENOMEM, |
553 | EFAULT, EBUSY, EEXIST, ENODEV, ENOTDIR, EISDIR, EINVAL, EMFILE, | |
554 | EFBIG, ENOSPC, EROFS, EMLINK, EPIPE, EDEADLK, ENAMETOOLONG, | |
555 | ENOLCK, ENOSYS, ENOTEMPTY, ELOOP, EWOULDBLOCK, ENOMSG, EUNATCH, | |
556 | EBADR, EDEADLOCK, ENODATA, ETIME, ENONET, EREMOTE, ECOMM, | |
557 | EPROTO, EBADMSG, EOVERFLOW, ERESTART, EMSGSIZE, EPROTOTYPE, | |
558 | ENOPROTOOPT, EPROTONOSUPPORT, EOPNOTSUPP, EADDRINUSE, | |
559 | EADDRNOTAVAIL, ENETDOWN, ENETUNREACH, ENETRESET, ENOBUFS, | |
560 | ETIMEDOUT, ECONNREFUSED, EHOSTDOWN, EHOSTUNREACH, EALREADY, | |
561 | EACCES, ECONNRESET, ERANGE | |
894ac432 | 562 | }; |
f7be4ee0 | 563 | |
8bb8aefd | 564 | int orangefs_normalize_to_errno(__s32 error_code) |
f7be4ee0 | 565 | { |
54804949 MM |
566 | __u32 i; |
567 | ||
894ac432 MB |
568 | /* Success */ |
569 | if (error_code == 0) { | |
570 | return 0; | |
54804949 MM |
571 | /* |
572 | * This shouldn't ever happen. If it does it should be fixed on the | |
573 | * server. | |
574 | */ | |
894ac432 | 575 | } else if (error_code > 0) { |
8bb8aefd YL |
576 | gossip_err("orangefs: error status receieved.\n"); |
577 | gossip_err("orangefs: assuming error code is inverted.\n"); | |
f7be4ee0 MM |
578 | error_code = -error_code; |
579 | } | |
580 | ||
54804949 | 581 | /* |
8bb8aefd | 582 | * XXX: This is very bad since error codes from ORANGEFS may not be |
54804949 MM |
583 | * suitable for return into userspace. |
584 | */ | |
894ac432 | 585 | |
54804949 | 586 | /* |
8bb8aefd | 587 | * Convert ORANGEFS error values into errno values suitable for return |
54804949 MM |
588 | * from the kernel. |
589 | */ | |
8bb8aefd | 590 | if ((-error_code) & ORANGEFS_NON_ERRNO_ERROR_BIT) { |
894ac432 | 591 | if (((-error_code) & |
8bb8aefd YL |
592 | (ORANGEFS_ERROR_NUMBER_BITS|ORANGEFS_NON_ERRNO_ERROR_BIT| |
593 | ORANGEFS_ERROR_BIT)) == ORANGEFS_ECANCEL) { | |
f7be4ee0 MM |
594 | /* |
595 | * cancellation error codes generally correspond to | |
596 | * a timeout from the client's perspective | |
597 | */ | |
598 | error_code = -ETIMEDOUT; | |
599 | } else { | |
600 | /* assume a default error code */ | |
8bb8aefd | 601 | gossip_err("orangefs: warning: got error code without errno equivalent: %d.\n", error_code); |
f7be4ee0 MM |
602 | error_code = -EINVAL; |
603 | } | |
894ac432 | 604 | |
8bb8aefd YL |
605 | /* Convert ORANGEFS encoded errno values into regular errno values. */ |
606 | } else if ((-error_code) & ORANGEFS_ERROR_BIT) { | |
607 | i = (-error_code) & ~(ORANGEFS_ERROR_BIT|ORANGEFS_ERROR_CLASS_BITS); | |
54804949 | 608 | if (i < sizeof(PINT_errno_mapping)/sizeof(*PINT_errno_mapping)) |
894ac432 MB |
609 | error_code = -PINT_errno_mapping[i]; |
610 | else | |
611 | error_code = -EINVAL; | |
612 | ||
54804949 | 613 | /* |
8bb8aefd | 614 | * Only ORANGEFS protocol error codes should ever come here. Otherwise |
54804949 MM |
615 | * there is a bug somewhere. |
616 | */ | |
894ac432 | 617 | } else { |
8bb8aefd | 618 | gossip_err("orangefs: orangefs_normalize_to_errno: got error code which is not from ORANGEFS.\n"); |
f7be4ee0 MM |
619 | } |
620 | return error_code; | |
621 | } | |
622 | ||
623 | #define NUM_MODES 11 | |
8bb8aefd | 624 | __s32 ORANGEFS_util_translate_mode(int mode) |
f7be4ee0 MM |
625 | { |
626 | int ret = 0; | |
627 | int i = 0; | |
628 | static int modes[NUM_MODES] = { | |
629 | S_IXOTH, S_IWOTH, S_IROTH, | |
630 | S_IXGRP, S_IWGRP, S_IRGRP, | |
631 | S_IXUSR, S_IWUSR, S_IRUSR, | |
632 | S_ISGID, S_ISUID | |
633 | }; | |
8bb8aefd YL |
634 | static int orangefs_modes[NUM_MODES] = { |
635 | ORANGEFS_O_EXECUTE, ORANGEFS_O_WRITE, ORANGEFS_O_READ, | |
636 | ORANGEFS_G_EXECUTE, ORANGEFS_G_WRITE, ORANGEFS_G_READ, | |
637 | ORANGEFS_U_EXECUTE, ORANGEFS_U_WRITE, ORANGEFS_U_READ, | |
638 | ORANGEFS_G_SGID, ORANGEFS_U_SUID | |
f7be4ee0 MM |
639 | }; |
640 | ||
641 | for (i = 0; i < NUM_MODES; i++) | |
642 | if (mode & modes[i]) | |
8bb8aefd | 643 | ret |= orangefs_modes[i]; |
f7be4ee0 MM |
644 | |
645 | return ret; | |
646 | } | |
647 | #undef NUM_MODES |