1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * (C) 2001 Clemson University and The University of Chicago |
4 | * Copyright 2018 Omnibond Systems, L.L.C. |
5 | * |
6 | * See COPYING in top-level directory. |
7 | */ |
8 | #include <linux/kernel.h> |
9 | #include "protocol.h" |
10 | #include "orangefs-kernel.h" |
11 | #include "orangefs-dev-proto.h" |
12 | #include "orangefs-bufmap.h" |
13 | |
14 | __s32 fsid_of_op(struct orangefs_kernel_op_s *op) |
15 | { |
16 | __s32 fsid = ORANGEFS_FS_ID_NULL; |
17 | |
18 | if (op) { |
19 | switch (op->upcall.type) { |
20 | case ORANGEFS_VFS_OP_FILE_IO: |
21 | fsid = op->upcall.req.io.refn.fs_id; |
22 | break; |
23 | case ORANGEFS_VFS_OP_LOOKUP: |
24 | fsid = op->upcall.req.lookup.parent_refn.fs_id; |
25 | break; |
26 | case ORANGEFS_VFS_OP_CREATE: |
27 | fsid = op->upcall.req.create.parent_refn.fs_id; |
28 | break; |
29 | case ORANGEFS_VFS_OP_GETATTR: |
30 | fsid = op->upcall.req.getattr.refn.fs_id; |
31 | break; |
32 | case ORANGEFS_VFS_OP_REMOVE: |
33 | fsid = op->upcall.req.remove.parent_refn.fs_id; |
34 | break; |
35 | case ORANGEFS_VFS_OP_MKDIR: |
36 | fsid = op->upcall.req.mkdir.parent_refn.fs_id; |
37 | break; |
38 | case ORANGEFS_VFS_OP_READDIR: |
39 | fsid = op->upcall.req.readdir.refn.fs_id; |
40 | break; |
41 | case ORANGEFS_VFS_OP_SETATTR: |
42 | fsid = op->upcall.req.setattr.refn.fs_id; |
43 | break; |
44 | case ORANGEFS_VFS_OP_SYMLINK: |
45 | fsid = op->upcall.req.sym.parent_refn.fs_id; |
46 | break; |
47 | case ORANGEFS_VFS_OP_RENAME: |
48 | fsid = op->upcall.req.rename.old_parent_refn.fs_id; |
49 | break; |
50 | case ORANGEFS_VFS_OP_STATFS: |
51 | fsid = op->upcall.req.statfs.fs_id; |
52 | break; |
53 | case ORANGEFS_VFS_OP_TRUNCATE: |
54 | fsid = op->upcall.req.truncate.refn.fs_id; |
55 | break; |
56 | case ORANGEFS_VFS_OP_RA_FLUSH: |
57 | fsid = op->upcall.req.ra_cache_flush.refn.fs_id; |
58 | break; |
59 | case ORANGEFS_VFS_OP_FS_UMOUNT: |
60 | fsid = op->upcall.req.fs_umount.fs_id; |
61 | break; |
62 | case ORANGEFS_VFS_OP_GETXATTR: |
63 | fsid = op->upcall.req.getxattr.refn.fs_id; |
64 | break; |
65 | case ORANGEFS_VFS_OP_SETXATTR: |
66 | fsid = op->upcall.req.setxattr.refn.fs_id; |
67 | break; |
68 | case ORANGEFS_VFS_OP_LISTXATTR: |
69 | fsid = op->upcall.req.listxattr.refn.fs_id; |
70 | break; |
71 | case ORANGEFS_VFS_OP_REMOVEXATTR: |
72 | fsid = op->upcall.req.removexattr.refn.fs_id; |
73 | break; |
74 | case ORANGEFS_VFS_OP_FSYNC: |
75 | fsid = op->upcall.req.fsync.refn.fs_id; |
76 | break; |
77 | default: |
78 | break; |
79 | } |
80 | } |
81 | return fsid; |
82 | } |
83 | |
84 | static int orangefs_inode_flags(struct ORANGEFS_sys_attr_s *attrs) |
85 | { |
86 | int flags = 0; |
87 | if (attrs->flags & ORANGEFS_IMMUTABLE_FL) |
88 | flags |= S_IMMUTABLE; |
89 | else |
90 | flags &= ~S_IMMUTABLE; |
91 | if (attrs->flags & ORANGEFS_APPEND_FL) |
92 | flags |= S_APPEND; |
93 | else |
94 | flags &= ~S_APPEND; |
95 | if (attrs->flags & ORANGEFS_NOATIME_FL) |
96 | flags |= S_NOATIME; |
97 | else |
98 | flags &= ~S_NOATIME; |
99 | return flags; |
100 | } |
101 | |
102 | static int orangefs_inode_perms(struct ORANGEFS_sys_attr_s *attrs) |
103 | { |
104 | int perm_mode = 0; |
105 | |
106 | if (attrs->perms & ORANGEFS_O_EXECUTE) |
107 | perm_mode |= S_IXOTH; |
108 | if (attrs->perms & ORANGEFS_O_WRITE) |
109 | perm_mode |= S_IWOTH; |
110 | if (attrs->perms & ORANGEFS_O_READ) |
111 | perm_mode |= S_IROTH; |
112 | |
113 | if (attrs->perms & ORANGEFS_G_EXECUTE) |
114 | perm_mode |= S_IXGRP; |
115 | if (attrs->perms & ORANGEFS_G_WRITE) |
116 | perm_mode |= S_IWGRP; |
117 | if (attrs->perms & ORANGEFS_G_READ) |
118 | perm_mode |= S_IRGRP; |
119 | |
120 | if (attrs->perms & ORANGEFS_U_EXECUTE) |
121 | perm_mode |= S_IXUSR; |
122 | if (attrs->perms & ORANGEFS_U_WRITE) |
123 | perm_mode |= S_IWUSR; |
124 | if (attrs->perms & ORANGEFS_U_READ) |
125 | perm_mode |= S_IRUSR; |
126 | |
127 | if (attrs->perms & ORANGEFS_G_SGID) |
128 | perm_mode |= S_ISGID; |
129 | if (attrs->perms & ORANGEFS_U_SUID) |
130 | perm_mode |= S_ISUID; |
131 | |
132 | return perm_mode; |
133 | } |
134 | |
135 | /* |
136 | * NOTE: in kernel land, we never use the sys_attr->link_target for |
137 | * anything, so don't bother copying it into the sys_attr object here. |
138 | */ |
139 | static inline void copy_attributes_from_inode(struct inode *inode, |
140 | struct ORANGEFS_sys_attr_s *attrs) |
141 | { |
142 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
143 | attrs->mask = 0; |
144 | if (orangefs_inode->attr_valid & ATTR_UID) { |
145 | attrs->owner = from_kuid(to: &init_user_ns, uid: inode->i_uid); |
146 | attrs->mask |= ORANGEFS_ATTR_SYS_UID; |
147 | gossip_debug(GOSSIP_UTILS_DEBUG, "(UID) %d\n" , attrs->owner); |
148 | } |
149 | if (orangefs_inode->attr_valid & ATTR_GID) { |
150 | attrs->group = from_kgid(to: &init_user_ns, gid: inode->i_gid); |
151 | attrs->mask |= ORANGEFS_ATTR_SYS_GID; |
152 | gossip_debug(GOSSIP_UTILS_DEBUG, "(GID) %d\n" , attrs->group); |
153 | } |
154 | |
155 | if (orangefs_inode->attr_valid & ATTR_ATIME) { |
156 | attrs->mask |= ORANGEFS_ATTR_SYS_ATIME; |
157 | if (orangefs_inode->attr_valid & ATTR_ATIME_SET) { |
158 | attrs->atime = (time64_t) inode_get_atime_sec(inode); |
159 | attrs->mask |= ORANGEFS_ATTR_SYS_ATIME_SET; |
160 | } |
161 | } |
162 | if (orangefs_inode->attr_valid & ATTR_MTIME) { |
163 | attrs->mask |= ORANGEFS_ATTR_SYS_MTIME; |
164 | if (orangefs_inode->attr_valid & ATTR_MTIME_SET) { |
165 | attrs->mtime = (time64_t) inode_get_mtime_sec(inode); |
166 | attrs->mask |= ORANGEFS_ATTR_SYS_MTIME_SET; |
167 | } |
168 | } |
169 | if (orangefs_inode->attr_valid & ATTR_CTIME) |
170 | attrs->mask |= ORANGEFS_ATTR_SYS_CTIME; |
171 | |
172 | /* |
173 | * ORANGEFS cannot set size with a setattr operation. Probably not |
174 | * likely to be requested through the VFS, but just in case, don't |
175 | * worry about ATTR_SIZE |
176 | */ |
177 | |
178 | if (orangefs_inode->attr_valid & ATTR_MODE) { |
179 | attrs->perms = ORANGEFS_util_translate_mode(mode: inode->i_mode); |
180 | attrs->mask |= ORANGEFS_ATTR_SYS_PERM; |
181 | } |
182 | } |
183 | |
184 | static int orangefs_inode_type(enum orangefs_ds_type objtype) |
185 | { |
186 | if (objtype == ORANGEFS_TYPE_METAFILE) |
187 | return S_IFREG; |
188 | else if (objtype == ORANGEFS_TYPE_DIRECTORY) |
189 | return S_IFDIR; |
190 | else if (objtype == ORANGEFS_TYPE_SYMLINK) |
191 | return S_IFLNK; |
192 | else |
193 | return -1; |
194 | } |
195 | |
196 | static void orangefs_make_bad_inode(struct inode *inode) |
197 | { |
198 | if (is_root_handle(inode)) { |
199 | /* |
200 | * if this occurs, the pvfs2-client-core was killed but we |
201 | * can't afford to lose the inode operations and such |
202 | * associated with the root handle in any case. |
203 | */ |
204 | gossip_debug(GOSSIP_UTILS_DEBUG, |
205 | "*** NOT making bad root inode %pU\n" , |
206 | get_khandle_from_ino(inode)); |
207 | } else { |
208 | gossip_debug(GOSSIP_UTILS_DEBUG, |
209 | "*** making bad inode %pU\n" , |
210 | get_khandle_from_ino(inode)); |
211 | make_bad_inode(inode); |
212 | } |
213 | } |
214 | |
215 | static int orangefs_inode_is_stale(struct inode *inode, |
216 | struct ORANGEFS_sys_attr_s *attrs, char *link_target) |
217 | { |
218 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
219 | int type = orangefs_inode_type(objtype: attrs->objtype); |
220 | /* |
221 | * If the inode type or symlink target have changed then this |
222 | * inode is stale. |
223 | */ |
224 | if (type == -1 || inode_wrong_type(inode, mode: type)) { |
225 | orangefs_make_bad_inode(inode); |
226 | return 1; |
227 | } |
228 | if (type == S_IFLNK && strncmp(orangefs_inode->link_target, |
229 | link_target, ORANGEFS_NAME_MAX)) { |
230 | orangefs_make_bad_inode(inode); |
231 | return 1; |
232 | } |
233 | return 0; |
234 | } |
235 | |
236 | int orangefs_inode_getattr(struct inode *inode, int flags) |
237 | { |
238 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
239 | struct orangefs_kernel_op_s *new_op; |
240 | loff_t inode_size; |
241 | int ret, type; |
242 | |
243 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU flags %d\n" , |
244 | __func__, get_khandle_from_ino(inode), flags); |
245 | |
246 | again: |
247 | spin_lock(lock: &inode->i_lock); |
248 | /* Must have all the attributes in the mask and be within cache time. */ |
249 | if ((!flags && time_before(jiffies, orangefs_inode->getattr_time)) || |
250 | orangefs_inode->attr_valid || inode->i_state & I_DIRTY_PAGES) { |
251 | if (orangefs_inode->attr_valid) { |
252 | spin_unlock(lock: &inode->i_lock); |
253 | write_inode_now(inode, sync: 1); |
254 | goto again; |
255 | } |
256 | spin_unlock(lock: &inode->i_lock); |
257 | return 0; |
258 | } |
259 | spin_unlock(lock: &inode->i_lock); |
260 | |
261 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); |
262 | if (!new_op) |
263 | return -ENOMEM; |
264 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; |
265 | /* |
266 | * Size is the hardest attribute to get. The incremental cost of any |
267 | * other attribute is essentially zero. |
268 | */ |
269 | if (flags) |
270 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_ALL_NOHINT; |
271 | else |
272 | new_op->upcall.req.getattr.mask = |
273 | ORANGEFS_ATTR_SYS_ALL_NOHINT & ~ORANGEFS_ATTR_SYS_SIZE; |
274 | |
275 | ret = service_operation(op: new_op, op_name: __func__, |
276 | get_interruptible_flag(inode)); |
277 | if (ret != 0) |
278 | goto out; |
279 | |
280 | again2: |
281 | spin_lock(lock: &inode->i_lock); |
282 | /* Must have all the attributes in the mask and be within cache time. */ |
283 | if ((!flags && time_before(jiffies, orangefs_inode->getattr_time)) || |
284 | orangefs_inode->attr_valid || inode->i_state & I_DIRTY_PAGES) { |
285 | if (orangefs_inode->attr_valid) { |
286 | spin_unlock(lock: &inode->i_lock); |
287 | write_inode_now(inode, sync: 1); |
288 | goto again2; |
289 | } |
290 | if (inode->i_state & I_DIRTY_PAGES) { |
291 | ret = 0; |
292 | goto out_unlock; |
293 | } |
294 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: in cache or dirty\n" , |
295 | __func__); |
296 | ret = 0; |
297 | goto out_unlock; |
298 | } |
299 | |
300 | if (!(flags & ORANGEFS_GETATTR_NEW)) { |
301 | ret = orangefs_inode_is_stale(inode, |
302 | attrs: &new_op->downcall.resp.getattr.attributes, |
303 | link_target: new_op->downcall.resp.getattr.link_target); |
304 | if (ret) { |
305 | ret = -ESTALE; |
306 | goto out_unlock; |
307 | } |
308 | } |
309 | |
310 | type = orangefs_inode_type(objtype: new_op-> |
311 | downcall.resp.getattr.attributes.objtype); |
312 | switch (type) { |
313 | case S_IFREG: |
314 | inode->i_flags = orangefs_inode_flags(attrs: &new_op-> |
315 | downcall.resp.getattr.attributes); |
316 | if (flags) { |
317 | inode_size = (loff_t)new_op-> |
318 | downcall.resp.getattr.attributes.size; |
319 | inode->i_size = inode_size; |
320 | inode->i_blkbits = ffs(new_op->downcall.resp.getattr. |
321 | attributes.blksize); |
322 | inode->i_bytes = inode_size; |
323 | inode->i_blocks = |
324 | (inode_size + 512 - inode_size % 512)/512; |
325 | } |
326 | break; |
327 | case S_IFDIR: |
328 | if (flags) { |
329 | inode->i_size = PAGE_SIZE; |
330 | inode_set_bytes(inode, bytes: inode->i_size); |
331 | } |
332 | set_nlink(inode, nlink: 1); |
333 | break; |
334 | case S_IFLNK: |
335 | if (flags & ORANGEFS_GETATTR_NEW) { |
336 | inode->i_size = (loff_t)strlen(new_op-> |
337 | downcall.resp.getattr.link_target); |
338 | ret = strscpy(p: orangefs_inode->link_target, |
339 | q: new_op->downcall.resp.getattr.link_target, |
340 | ORANGEFS_NAME_MAX); |
341 | if (ret == -E2BIG) { |
342 | ret = -EIO; |
343 | goto out_unlock; |
344 | } |
345 | inode->i_link = orangefs_inode->link_target; |
346 | } |
347 | break; |
348 | /* i.e. -1 */ |
349 | default: |
350 | /* XXX: ESTALE? This is what is done if it is not new. */ |
351 | orangefs_make_bad_inode(inode); |
352 | ret = -ESTALE; |
353 | goto out_unlock; |
354 | } |
355 | |
356 | inode->i_uid = make_kuid(from: &init_user_ns, uid: new_op-> |
357 | downcall.resp.getattr.attributes.owner); |
358 | inode->i_gid = make_kgid(from: &init_user_ns, gid: new_op-> |
359 | downcall.resp.getattr.attributes.group); |
360 | inode_set_atime(inode, |
361 | sec: (time64_t)new_op->downcall.resp.getattr.attributes.atime, |
362 | nsec: 0); |
363 | inode_set_mtime(inode, |
364 | sec: (time64_t)new_op->downcall.resp.getattr.attributes.mtime, |
365 | nsec: 0); |
366 | inode_set_ctime(inode, |
367 | sec: (time64_t)new_op->downcall.resp.getattr.attributes.ctime, |
368 | nsec: 0); |
369 | |
370 | /* special case: mark the root inode as sticky */ |
371 | inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) | |
372 | orangefs_inode_perms(attrs: &new_op->downcall.resp.getattr.attributes); |
373 | |
374 | orangefs_inode->getattr_time = jiffies + |
375 | orangefs_getattr_timeout_msecs*HZ/1000; |
376 | ret = 0; |
377 | out_unlock: |
378 | spin_unlock(lock: &inode->i_lock); |
379 | out: |
380 | op_release(op: new_op); |
381 | return ret; |
382 | } |
383 | |
384 | int orangefs_inode_check_changed(struct inode *inode) |
385 | { |
386 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
387 | struct orangefs_kernel_op_s *new_op; |
388 | int ret; |
389 | |
390 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n" , __func__, |
391 | get_khandle_from_ino(inode)); |
392 | |
393 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); |
394 | if (!new_op) |
395 | return -ENOMEM; |
396 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; |
397 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_TYPE | |
398 | ORANGEFS_ATTR_SYS_LNK_TARGET; |
399 | |
400 | ret = service_operation(op: new_op, op_name: __func__, |
401 | get_interruptible_flag(inode)); |
402 | if (ret != 0) |
403 | goto out; |
404 | |
405 | ret = orangefs_inode_is_stale(inode, |
406 | attrs: &new_op->downcall.resp.getattr.attributes, |
407 | link_target: new_op->downcall.resp.getattr.link_target); |
408 | out: |
409 | op_release(op: new_op); |
410 | return ret; |
411 | } |
412 | |
413 | /* |
414 | * issues a orangefs setattr request to make sure the new attribute values |
415 | * take effect if successful. returns 0 on success; -errno otherwise |
416 | */ |
417 | int orangefs_inode_setattr(struct inode *inode) |
418 | { |
419 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
420 | struct orangefs_kernel_op_s *new_op; |
421 | int ret; |
422 | |
423 | new_op = op_alloc(ORANGEFS_VFS_OP_SETATTR); |
424 | if (!new_op) |
425 | return -ENOMEM; |
426 | |
427 | spin_lock(lock: &inode->i_lock); |
428 | new_op->upcall.uid = from_kuid(to: &init_user_ns, uid: orangefs_inode->attr_uid); |
429 | new_op->upcall.gid = from_kgid(to: &init_user_ns, gid: orangefs_inode->attr_gid); |
430 | new_op->upcall.req.setattr.refn = orangefs_inode->refn; |
431 | copy_attributes_from_inode(inode, |
432 | attrs: &new_op->upcall.req.setattr.attributes); |
433 | orangefs_inode->attr_valid = 0; |
434 | if (!new_op->upcall.req.setattr.attributes.mask) { |
435 | spin_unlock(lock: &inode->i_lock); |
436 | op_release(op: new_op); |
437 | return 0; |
438 | } |
439 | spin_unlock(lock: &inode->i_lock); |
440 | |
441 | ret = service_operation(op: new_op, op_name: __func__, |
442 | get_interruptible_flag(inode) | ORANGEFS_OP_WRITEBACK); |
443 | gossip_debug(GOSSIP_UTILS_DEBUG, |
444 | "orangefs_inode_setattr: returning %d\n" , ret); |
445 | if (ret) |
446 | orangefs_make_bad_inode(inode); |
447 | |
448 | op_release(op: new_op); |
449 | |
450 | if (ret == 0) |
451 | orangefs_inode->getattr_time = jiffies - 1; |
452 | return ret; |
453 | } |
454 | |
455 | /* |
456 | * The following is a very dirty hack that is now a permanent part of the |
457 | * ORANGEFS protocol. See protocol.h for more error definitions. |
458 | */ |
459 | |
460 | /* The order matches include/orangefs-types.h in the OrangeFS source. */ |
461 | static int PINT_errno_mapping[] = { |
462 | 0, EPERM, ENOENT, EINTR, EIO, ENXIO, EBADF, EAGAIN, ENOMEM, |
463 | EFAULT, EBUSY, EEXIST, ENODEV, ENOTDIR, EISDIR, EINVAL, EMFILE, |
464 | EFBIG, ENOSPC, EROFS, EMLINK, EPIPE, EDEADLK, ENAMETOOLONG, |
465 | ENOLCK, ENOSYS, ENOTEMPTY, ELOOP, EWOULDBLOCK, ENOMSG, EUNATCH, |
466 | EBADR, EDEADLOCK, ENODATA, ETIME, ENONET, EREMOTE, ECOMM, |
467 | EPROTO, EBADMSG, EOVERFLOW, ERESTART, EMSGSIZE, EPROTOTYPE, |
468 | ENOPROTOOPT, EPROTONOSUPPORT, EOPNOTSUPP, EADDRINUSE, |
469 | EADDRNOTAVAIL, ENETDOWN, ENETUNREACH, ENETRESET, ENOBUFS, |
470 | ETIMEDOUT, ECONNREFUSED, EHOSTDOWN, EHOSTUNREACH, EALREADY, |
471 | EACCES, ECONNRESET, ERANGE |
472 | }; |
473 | |
474 | int orangefs_normalize_to_errno(__s32 error_code) |
475 | { |
476 | __u32 i; |
477 | |
478 | /* Success */ |
479 | if (error_code == 0) { |
480 | return 0; |
481 | /* |
482 | * This shouldn't ever happen. If it does it should be fixed on the |
483 | * server. |
484 | */ |
485 | } else if (error_code > 0) { |
486 | gossip_err("orangefs: error status received.\n" ); |
487 | gossip_err("orangefs: assuming error code is inverted.\n" ); |
488 | error_code = -error_code; |
489 | } |
490 | |
491 | /* |
492 | * XXX: This is very bad since error codes from ORANGEFS may not be |
493 | * suitable for return into userspace. |
494 | */ |
495 | |
496 | /* |
497 | * Convert ORANGEFS error values into errno values suitable for return |
498 | * from the kernel. |
499 | */ |
500 | if ((-error_code) & ORANGEFS_NON_ERRNO_ERROR_BIT) { |
501 | if (((-error_code) & |
502 | (ORANGEFS_ERROR_NUMBER_BITS|ORANGEFS_NON_ERRNO_ERROR_BIT| |
503 | ORANGEFS_ERROR_BIT)) == ORANGEFS_ECANCEL) { |
504 | /* |
505 | * cancellation error codes generally correspond to |
506 | * a timeout from the client's perspective |
507 | */ |
508 | error_code = -ETIMEDOUT; |
509 | } else { |
510 | /* assume a default error code */ |
511 | gossip_err("%s: bad error code :%d:.\n" , |
512 | __func__, |
513 | error_code); |
514 | error_code = -EINVAL; |
515 | } |
516 | |
517 | /* Convert ORANGEFS encoded errno values into regular errno values. */ |
518 | } else if ((-error_code) & ORANGEFS_ERROR_BIT) { |
519 | i = (-error_code) & ~(ORANGEFS_ERROR_BIT|ORANGEFS_ERROR_CLASS_BITS); |
520 | if (i < ARRAY_SIZE(PINT_errno_mapping)) |
521 | error_code = -PINT_errno_mapping[i]; |
522 | else |
523 | error_code = -EINVAL; |
524 | |
525 | /* |
526 | * Only ORANGEFS protocol error codes should ever come here. Otherwise |
527 | * there is a bug somewhere. |
528 | */ |
529 | } else { |
530 | gossip_err("%s: unknown error code.\n" , __func__); |
531 | error_code = -EINVAL; |
532 | } |
533 | return error_code; |
534 | } |
535 | |
536 | #define NUM_MODES 11 |
537 | __s32 ORANGEFS_util_translate_mode(int mode) |
538 | { |
539 | int ret = 0; |
540 | int i = 0; |
541 | static int modes[NUM_MODES] = { |
542 | S_IXOTH, S_IWOTH, S_IROTH, |
543 | S_IXGRP, S_IWGRP, S_IRGRP, |
544 | S_IXUSR, S_IWUSR, S_IRUSR, |
545 | S_ISGID, S_ISUID |
546 | }; |
547 | static int orangefs_modes[NUM_MODES] = { |
548 | ORANGEFS_O_EXECUTE, ORANGEFS_O_WRITE, ORANGEFS_O_READ, |
549 | ORANGEFS_G_EXECUTE, ORANGEFS_G_WRITE, ORANGEFS_G_READ, |
550 | ORANGEFS_U_EXECUTE, ORANGEFS_U_WRITE, ORANGEFS_U_READ, |
551 | ORANGEFS_G_SGID, ORANGEFS_U_SUID |
552 | }; |
553 | |
554 | for (i = 0; i < NUM_MODES; i++) |
555 | if (mode & modes[i]) |
556 | ret |= orangefs_modes[i]; |
557 | |
558 | return ret; |
559 | } |
560 | #undef NUM_MODES |
561 | |