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Commit | Line | Data |
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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; | |
8bb8aefd | 53 | case ORANGEFS_VFS_OP_MMAP_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) { | |
156 | attrs->owner = from_kuid(current_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) { | |
161 | attrs->group = from_kgid(current_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 | ||
3c9cf98d MB |
254 | int orangefs_inode_getattr(struct inode *inode, int new, int size) |
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 | ||
264 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); | |
265 | if (!new_op) | |
266 | return -ENOMEM; | |
267 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
268 | new_op->upcall.req.getattr.mask = size ? | |
269 | ORANGEFS_ATTR_SYS_ALL_NOHINT : ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE; | |
270 | ||
271 | ret = service_operation(new_op, __func__, | |
272 | get_interruptible_flag(inode)); | |
273 | if (ret != 0) | |
274 | goto out; | |
275 | ||
26662633 | 276 | type = orangefs_inode_type(new_op-> |
3c9cf98d | 277 | downcall.resp.getattr.attributes.objtype); |
26662633 MB |
278 | ret = orangefs_inode_is_stale(inode, new, |
279 | &new_op->downcall.resp.getattr.attributes, | |
280 | new_op->downcall.resp.getattr.link_target); | |
281 | if (ret) { | |
282 | ret = -ESTALE; | |
283 | goto out; | |
3c9cf98d MB |
284 | } |
285 | ||
26662633 | 286 | switch (type) { |
3c9cf98d MB |
287 | case S_IFREG: |
288 | inode->i_flags = orangefs_inode_flags(&new_op-> | |
289 | downcall.resp.getattr.attributes); | |
290 | if (size) { | |
291 | inode_size = (loff_t)new_op-> | |
292 | downcall.resp.getattr.attributes.size; | |
293 | rounded_up_size = | |
294 | (inode_size + (4096 - (inode_size % 4096))); | |
295 | inode->i_size = inode_size; | |
296 | orangefs_inode->blksize = | |
297 | new_op->downcall.resp.getattr.attributes.blksize; | |
298 | spin_lock(&inode->i_lock); | |
299 | inode->i_bytes = inode_size; | |
300 | inode->i_blocks = | |
301 | (unsigned long)(rounded_up_size / 512); | |
302 | spin_unlock(&inode->i_lock); | |
303 | } | |
304 | break; | |
305 | case S_IFDIR: | |
306 | inode->i_size = PAGE_CACHE_SIZE; | |
307 | orangefs_inode->blksize = (1 << inode->i_blkbits); | |
308 | spin_lock(&inode->i_lock); | |
309 | inode_set_bytes(inode, inode->i_size); | |
310 | spin_unlock(&inode->i_lock); | |
311 | set_nlink(inode, 1); | |
312 | break; | |
313 | case S_IFLNK: | |
314 | if (new) { | |
315 | inode->i_size = (loff_t)strlen(new_op-> | |
316 | downcall.resp.getattr.link_target); | |
317 | orangefs_inode->blksize = (1 << inode->i_blkbits); | |
318 | strlcpy(orangefs_inode->link_target, | |
319 | new_op->downcall.resp.getattr.link_target, | |
320 | ORANGEFS_NAME_MAX); | |
321 | } | |
322 | break; | |
323 | } | |
324 | ||
325 | inode->i_uid = make_kuid(&init_user_ns, new_op-> | |
326 | downcall.resp.getattr.attributes.owner); | |
327 | inode->i_gid = make_kgid(&init_user_ns, new_op-> | |
328 | downcall.resp.getattr.attributes.group); | |
329 | inode->i_atime.tv_sec = (time64_t)new_op-> | |
330 | downcall.resp.getattr.attributes.atime; | |
331 | inode->i_mtime.tv_sec = (time64_t)new_op-> | |
332 | downcall.resp.getattr.attributes.mtime; | |
333 | inode->i_ctime.tv_sec = (time64_t)new_op-> | |
334 | downcall.resp.getattr.attributes.ctime; | |
335 | inode->i_atime.tv_nsec = 0; | |
336 | inode->i_mtime.tv_nsec = 0; | |
337 | inode->i_ctime.tv_nsec = 0; | |
338 | ||
339 | /* special case: mark the root inode as sticky */ | |
26662633 | 340 | inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) | |
3c9cf98d MB |
341 | orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes); |
342 | ||
343 | ret = 0; | |
344 | out: | |
345 | op_release(new_op); | |
346 | return ret; | |
347 | } | |
348 | ||
5859d77e MB |
349 | int orangefs_inode_check_changed(struct inode *inode) |
350 | { | |
351 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); | |
352 | struct orangefs_kernel_op_s *new_op; | |
353 | int ret; | |
354 | ||
355 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__, | |
356 | get_khandle_from_ino(inode)); | |
357 | ||
358 | new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR); | |
359 | if (!new_op) | |
360 | return -ENOMEM; | |
361 | new_op->upcall.req.getattr.refn = orangefs_inode->refn; | |
362 | new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_TYPE | | |
363 | ORANGEFS_ATTR_SYS_LNK_TARGET; | |
364 | ||
365 | ret = service_operation(new_op, __func__, | |
366 | get_interruptible_flag(inode)); | |
367 | if (ret != 0) | |
368 | goto out; | |
369 | ||
26662633 MB |
370 | ret = orangefs_inode_is_stale(inode, 0, |
371 | &new_op->downcall.resp.getattr.attributes, | |
372 | new_op->downcall.resp.getattr.link_target); | |
5859d77e MB |
373 | out: |
374 | op_release(new_op); | |
375 | return ret; | |
376 | } | |
377 | ||
f7be4ee0 | 378 | /* |
8bb8aefd | 379 | * issues a orangefs setattr request to make sure the new attribute values |
f7be4ee0 MM |
380 | * take effect if successful. returns 0 on success; -errno otherwise |
381 | */ | |
8bb8aefd | 382 | int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr) |
f7be4ee0 | 383 | { |
8bb8aefd YL |
384 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
385 | struct orangefs_kernel_op_s *new_op; | |
f7be4ee0 MM |
386 | int ret; |
387 | ||
8bb8aefd | 388 | new_op = op_alloc(ORANGEFS_VFS_OP_SETATTR); |
f7be4ee0 MM |
389 | if (!new_op) |
390 | return -ENOMEM; | |
391 | ||
8bb8aefd | 392 | new_op->upcall.req.setattr.refn = orangefs_inode->refn; |
f7be4ee0 MM |
393 | ret = copy_attributes_from_inode(inode, |
394 | &new_op->upcall.req.setattr.attributes, | |
395 | iattr); | |
ed42fe05 AV |
396 | if (ret >= 0) { |
397 | ret = service_operation(new_op, __func__, | |
f7be4ee0 MM |
398 | get_interruptible_flag(inode)); |
399 | ||
ed42fe05 AV |
400 | gossip_debug(GOSSIP_UTILS_DEBUG, |
401 | "orangefs_inode_setattr: returning %d\n", | |
402 | ret); | |
403 | } | |
f7be4ee0 | 404 | |
f7be4ee0 MM |
405 | op_release(new_op); |
406 | ||
407 | /* | |
408 | * successful setattr should clear the atime, mtime and | |
409 | * ctime flags. | |
410 | */ | |
411 | if (ret == 0) { | |
8bb8aefd YL |
412 | ClearAtimeFlag(orangefs_inode); |
413 | ClearMtimeFlag(orangefs_inode); | |
414 | ClearCtimeFlag(orangefs_inode); | |
415 | ClearModeFlag(orangefs_inode); | |
f7be4ee0 MM |
416 | } |
417 | ||
418 | return ret; | |
419 | } | |
420 | ||
8bb8aefd | 421 | int orangefs_flush_inode(struct inode *inode) |
f7be4ee0 MM |
422 | { |
423 | /* | |
424 | * If it is a dirty inode, this function gets called. | |
425 | * Gather all the information that needs to be setattr'ed | |
426 | * Right now, this will only be used for mode, atime, mtime | |
427 | * and/or ctime. | |
428 | */ | |
429 | struct iattr wbattr; | |
430 | int ret; | |
431 | int mtime_flag; | |
432 | int ctime_flag; | |
433 | int atime_flag; | |
434 | int mode_flag; | |
8bb8aefd | 435 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
f7be4ee0 MM |
436 | |
437 | memset(&wbattr, 0, sizeof(wbattr)); | |
438 | ||
439 | /* | |
440 | * check inode flags up front, and clear them if they are set. This | |
441 | * will prevent multiple processes from all trying to flush the same | |
442 | * inode if they call close() simultaneously | |
443 | */ | |
8bb8aefd YL |
444 | mtime_flag = MtimeFlag(orangefs_inode); |
445 | ClearMtimeFlag(orangefs_inode); | |
446 | ctime_flag = CtimeFlag(orangefs_inode); | |
447 | ClearCtimeFlag(orangefs_inode); | |
448 | atime_flag = AtimeFlag(orangefs_inode); | |
449 | ClearAtimeFlag(orangefs_inode); | |
450 | mode_flag = ModeFlag(orangefs_inode); | |
451 | ClearModeFlag(orangefs_inode); | |
f7be4ee0 MM |
452 | |
453 | /* -- Lazy atime,mtime and ctime update -- | |
454 | * Note: all times are dictated by server in the new scheme | |
455 | * and not by the clients | |
456 | * | |
457 | * Also mode updates are being handled now.. | |
458 | */ | |
459 | ||
460 | if (mtime_flag) | |
461 | wbattr.ia_valid |= ATTR_MTIME; | |
462 | if (ctime_flag) | |
463 | wbattr.ia_valid |= ATTR_CTIME; | |
464 | if (atime_flag) | |
465 | wbattr.ia_valid |= ATTR_ATIME; | |
466 | ||
467 | if (mode_flag) { | |
468 | wbattr.ia_mode = inode->i_mode; | |
469 | wbattr.ia_valid |= ATTR_MODE; | |
470 | } | |
471 | ||
472 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 473 | "*********** orangefs_flush_inode: %pU " |
f7be4ee0 MM |
474 | "(ia_valid %d)\n", |
475 | get_khandle_from_ino(inode), | |
476 | wbattr.ia_valid); | |
477 | if (wbattr.ia_valid == 0) { | |
478 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 479 | "orangefs_flush_inode skipping setattr()\n"); |
f7be4ee0 MM |
480 | return 0; |
481 | } | |
482 | ||
483 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 484 | "orangefs_flush_inode (%pU) writing mode %o\n", |
f7be4ee0 MM |
485 | get_khandle_from_ino(inode), |
486 | inode->i_mode); | |
487 | ||
8bb8aefd | 488 | ret = orangefs_inode_setattr(inode, &wbattr); |
f7be4ee0 MM |
489 | |
490 | return ret; | |
491 | } | |
492 | ||
8bb8aefd | 493 | int orangefs_unmount_sb(struct super_block *sb) |
f7be4ee0 MM |
494 | { |
495 | int ret = -EINVAL; | |
8bb8aefd | 496 | struct orangefs_kernel_op_s *new_op = NULL; |
f7be4ee0 MM |
497 | |
498 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 499 | "orangefs_unmount_sb called on sb %p\n", |
f7be4ee0 MM |
500 | sb); |
501 | ||
8bb8aefd | 502 | new_op = op_alloc(ORANGEFS_VFS_OP_FS_UMOUNT); |
f7be4ee0 MM |
503 | if (!new_op) |
504 | return -ENOMEM; | |
8bb8aefd YL |
505 | new_op->upcall.req.fs_umount.id = ORANGEFS_SB(sb)->id; |
506 | new_op->upcall.req.fs_umount.fs_id = ORANGEFS_SB(sb)->fs_id; | |
507 | strncpy(new_op->upcall.req.fs_umount.orangefs_config_server, | |
508 | ORANGEFS_SB(sb)->devname, | |
509 | ORANGEFS_MAX_SERVER_ADDR_LEN); | |
f7be4ee0 MM |
510 | |
511 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd YL |
512 | "Attempting ORANGEFS Unmount via host %s\n", |
513 | new_op->upcall.req.fs_umount.orangefs_config_server); | |
f7be4ee0 | 514 | |
8bb8aefd | 515 | ret = service_operation(new_op, "orangefs_fs_umount", 0); |
f7be4ee0 MM |
516 | |
517 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
8bb8aefd | 518 | "orangefs_unmount: got return value of %d\n", ret); |
f7be4ee0 MM |
519 | if (ret) |
520 | sb = ERR_PTR(ret); | |
521 | else | |
8bb8aefd | 522 | ORANGEFS_SB(sb)->mount_pending = 1; |
f7be4ee0 MM |
523 | |
524 | op_release(new_op); | |
525 | return ret; | |
526 | } | |
527 | ||
8bb8aefd | 528 | void orangefs_make_bad_inode(struct inode *inode) |
f7be4ee0 MM |
529 | { |
530 | if (is_root_handle(inode)) { | |
531 | /* | |
532 | * if this occurs, the pvfs2-client-core was killed but we | |
533 | * can't afford to lose the inode operations and such | |
534 | * associated with the root handle in any case. | |
535 | */ | |
536 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
537 | "*** NOT making bad root inode %pU\n", | |
538 | get_khandle_from_ino(inode)); | |
539 | } else { | |
540 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
541 | "*** making bad inode %pU\n", | |
542 | get_khandle_from_ino(inode)); | |
543 | make_bad_inode(inode); | |
544 | } | |
545 | } | |
546 | ||
54804949 MM |
547 | /* |
548 | * The following is a very dirty hack that is now a permanent part of the | |
8bb8aefd | 549 | * ORANGEFS protocol. See protocol.h for more error definitions. |
54804949 | 550 | */ |
894ac432 | 551 | |
8bb8aefd | 552 | /* The order matches include/orangefs-types.h in the OrangeFS source. */ |
894ac432 | 553 | static int PINT_errno_mapping[] = { |
54804949 MM |
554 | 0, EPERM, ENOENT, EINTR, EIO, ENXIO, EBADF, EAGAIN, ENOMEM, |
555 | EFAULT, EBUSY, EEXIST, ENODEV, ENOTDIR, EISDIR, EINVAL, EMFILE, | |
556 | EFBIG, ENOSPC, EROFS, EMLINK, EPIPE, EDEADLK, ENAMETOOLONG, | |
557 | ENOLCK, ENOSYS, ENOTEMPTY, ELOOP, EWOULDBLOCK, ENOMSG, EUNATCH, | |
558 | EBADR, EDEADLOCK, ENODATA, ETIME, ENONET, EREMOTE, ECOMM, | |
559 | EPROTO, EBADMSG, EOVERFLOW, ERESTART, EMSGSIZE, EPROTOTYPE, | |
560 | ENOPROTOOPT, EPROTONOSUPPORT, EOPNOTSUPP, EADDRINUSE, | |
561 | EADDRNOTAVAIL, ENETDOWN, ENETUNREACH, ENETRESET, ENOBUFS, | |
562 | ETIMEDOUT, ECONNREFUSED, EHOSTDOWN, EHOSTUNREACH, EALREADY, | |
563 | EACCES, ECONNRESET, ERANGE | |
894ac432 | 564 | }; |
f7be4ee0 | 565 | |
8bb8aefd | 566 | int orangefs_normalize_to_errno(__s32 error_code) |
f7be4ee0 | 567 | { |
54804949 MM |
568 | __u32 i; |
569 | ||
894ac432 MB |
570 | /* Success */ |
571 | if (error_code == 0) { | |
572 | return 0; | |
54804949 MM |
573 | /* |
574 | * This shouldn't ever happen. If it does it should be fixed on the | |
575 | * server. | |
576 | */ | |
894ac432 | 577 | } else if (error_code > 0) { |
8bb8aefd YL |
578 | gossip_err("orangefs: error status receieved.\n"); |
579 | gossip_err("orangefs: assuming error code is inverted.\n"); | |
f7be4ee0 MM |
580 | error_code = -error_code; |
581 | } | |
582 | ||
54804949 | 583 | /* |
8bb8aefd | 584 | * XXX: This is very bad since error codes from ORANGEFS may not be |
54804949 MM |
585 | * suitable for return into userspace. |
586 | */ | |
894ac432 | 587 | |
54804949 | 588 | /* |
8bb8aefd | 589 | * Convert ORANGEFS error values into errno values suitable for return |
54804949 MM |
590 | * from the kernel. |
591 | */ | |
8bb8aefd | 592 | if ((-error_code) & ORANGEFS_NON_ERRNO_ERROR_BIT) { |
894ac432 | 593 | if (((-error_code) & |
8bb8aefd YL |
594 | (ORANGEFS_ERROR_NUMBER_BITS|ORANGEFS_NON_ERRNO_ERROR_BIT| |
595 | ORANGEFS_ERROR_BIT)) == ORANGEFS_ECANCEL) { | |
f7be4ee0 MM |
596 | /* |
597 | * cancellation error codes generally correspond to | |
598 | * a timeout from the client's perspective | |
599 | */ | |
600 | error_code = -ETIMEDOUT; | |
601 | } else { | |
602 | /* assume a default error code */ | |
8bb8aefd | 603 | gossip_err("orangefs: warning: got error code without errno equivalent: %d.\n", error_code); |
f7be4ee0 MM |
604 | error_code = -EINVAL; |
605 | } | |
894ac432 | 606 | |
8bb8aefd YL |
607 | /* Convert ORANGEFS encoded errno values into regular errno values. */ |
608 | } else if ((-error_code) & ORANGEFS_ERROR_BIT) { | |
609 | i = (-error_code) & ~(ORANGEFS_ERROR_BIT|ORANGEFS_ERROR_CLASS_BITS); | |
54804949 | 610 | if (i < sizeof(PINT_errno_mapping)/sizeof(*PINT_errno_mapping)) |
894ac432 MB |
611 | error_code = -PINT_errno_mapping[i]; |
612 | else | |
613 | error_code = -EINVAL; | |
614 | ||
54804949 | 615 | /* |
8bb8aefd | 616 | * Only ORANGEFS protocol error codes should ever come here. Otherwise |
54804949 MM |
617 | * there is a bug somewhere. |
618 | */ | |
894ac432 | 619 | } else { |
8bb8aefd | 620 | gossip_err("orangefs: orangefs_normalize_to_errno: got error code which is not from ORANGEFS.\n"); |
f7be4ee0 MM |
621 | } |
622 | return error_code; | |
623 | } | |
624 | ||
625 | #define NUM_MODES 11 | |
8bb8aefd | 626 | __s32 ORANGEFS_util_translate_mode(int mode) |
f7be4ee0 MM |
627 | { |
628 | int ret = 0; | |
629 | int i = 0; | |
630 | static int modes[NUM_MODES] = { | |
631 | S_IXOTH, S_IWOTH, S_IROTH, | |
632 | S_IXGRP, S_IWGRP, S_IRGRP, | |
633 | S_IXUSR, S_IWUSR, S_IRUSR, | |
634 | S_ISGID, S_ISUID | |
635 | }; | |
8bb8aefd YL |
636 | static int orangefs_modes[NUM_MODES] = { |
637 | ORANGEFS_O_EXECUTE, ORANGEFS_O_WRITE, ORANGEFS_O_READ, | |
638 | ORANGEFS_G_EXECUTE, ORANGEFS_G_WRITE, ORANGEFS_G_READ, | |
639 | ORANGEFS_U_EXECUTE, ORANGEFS_U_WRITE, ORANGEFS_U_READ, | |
640 | ORANGEFS_G_SGID, ORANGEFS_U_SUID | |
f7be4ee0 MM |
641 | }; |
642 | ||
643 | for (i = 0; i < NUM_MODES; i++) | |
644 | if (mode & modes[i]) | |
8bb8aefd | 645 | ret |= orangefs_modes[i]; |
f7be4ee0 MM |
646 | |
647 | return ret; | |
648 | } | |
649 | #undef NUM_MODES | |
650 | ||
651 | /* | |
652 | * After obtaining a string representation of the client's debug | |
653 | * keywords and their associated masks, this function is called to build an | |
654 | * array of these values. | |
655 | */ | |
656 | int orangefs_prepare_cdm_array(char *debug_array_string) | |
657 | { | |
658 | int i; | |
659 | int rc = -EINVAL; | |
660 | char *cds_head = NULL; | |
661 | char *cds_delimiter = NULL; | |
662 | int keyword_len = 0; | |
663 | ||
664 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__); | |
665 | ||
666 | /* | |
667 | * figure out how many elements the cdm_array needs. | |
668 | */ | |
669 | for (i = 0; i < strlen(debug_array_string); i++) | |
670 | if (debug_array_string[i] == '\n') | |
671 | cdm_element_count++; | |
672 | ||
673 | if (!cdm_element_count) { | |
674 | pr_info("No elements in client debug array string!\n"); | |
675 | goto out; | |
676 | } | |
677 | ||
678 | cdm_array = | |
679 | kzalloc(cdm_element_count * sizeof(struct client_debug_mask), | |
680 | GFP_KERNEL); | |
681 | if (!cdm_array) { | |
682 | pr_info("malloc failed for cdm_array!\n"); | |
683 | rc = -ENOMEM; | |
684 | goto out; | |
685 | } | |
686 | ||
687 | cds_head = debug_array_string; | |
688 | ||
689 | for (i = 0; i < cdm_element_count; i++) { | |
690 | cds_delimiter = strchr(cds_head, '\n'); | |
691 | *cds_delimiter = '\0'; | |
692 | ||
693 | keyword_len = strcspn(cds_head, " "); | |
694 | ||
695 | cdm_array[i].keyword = kzalloc(keyword_len + 1, GFP_KERNEL); | |
696 | if (!cdm_array[i].keyword) { | |
697 | rc = -ENOMEM; | |
698 | goto out; | |
699 | } | |
700 | ||
701 | sscanf(cds_head, | |
702 | "%s %llx %llx", | |
703 | cdm_array[i].keyword, | |
704 | (unsigned long long *)&(cdm_array[i].mask1), | |
705 | (unsigned long long *)&(cdm_array[i].mask2)); | |
706 | ||
8bb8aefd | 707 | if (!strcmp(cdm_array[i].keyword, ORANGEFS_VERBOSE)) |
f7be4ee0 MM |
708 | client_verbose_index = i; |
709 | ||
8bb8aefd | 710 | if (!strcmp(cdm_array[i].keyword, ORANGEFS_ALL)) |
f7be4ee0 MM |
711 | client_all_index = i; |
712 | ||
713 | cds_head = cds_delimiter + 1; | |
714 | } | |
715 | ||
716 | rc = cdm_element_count; | |
717 | ||
718 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: rc:%d:\n", __func__, rc); | |
719 | ||
720 | out: | |
721 | ||
722 | return rc; | |
723 | ||
724 | } | |
725 | ||
726 | /* | |
727 | * /sys/kernel/debug/orangefs/debug-help can be catted to | |
728 | * see all the available kernel and client debug keywords. | |
729 | * | |
730 | * When the kernel boots, we have no idea what keywords the | |
731 | * client supports, nor their associated masks. | |
732 | * | |
733 | * We pass through this function once at boot and stamp a | |
734 | * boilerplate "we don't know" message for the client in the | |
735 | * debug-help file. We pass through here again when the client | |
736 | * starts and then we can fill out the debug-help file fully. | |
737 | * | |
738 | * The client might be restarted any number of times between | |
739 | * reboots, we only build the debug-help file the first time. | |
740 | */ | |
741 | int orangefs_prepare_debugfs_help_string(int at_boot) | |
742 | { | |
743 | int rc = -EINVAL; | |
744 | int i; | |
745 | int byte_count = 0; | |
746 | char *client_title = "Client Debug Keywords:\n"; | |
747 | char *kernel_title = "Kernel Debug Keywords:\n"; | |
748 | ||
749 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__); | |
750 | ||
751 | if (at_boot) { | |
752 | byte_count += strlen(HELP_STRING_UNINITIALIZED); | |
753 | client_title = HELP_STRING_UNINITIALIZED; | |
754 | } else { | |
755 | /* | |
756 | * fill the client keyword/mask array and remember | |
757 | * how many elements there were. | |
758 | */ | |
759 | cdm_element_count = | |
760 | orangefs_prepare_cdm_array(client_debug_array_string); | |
761 | if (cdm_element_count <= 0) | |
762 | goto out; | |
763 | ||
764 | /* Count the bytes destined for debug_help_string. */ | |
765 | byte_count += strlen(client_title); | |
766 | ||
767 | for (i = 0; i < cdm_element_count; i++) { | |
768 | byte_count += strlen(cdm_array[i].keyword + 2); | |
769 | if (byte_count >= DEBUG_HELP_STRING_SIZE) { | |
770 | pr_info("%s: overflow 1!\n", __func__); | |
771 | goto out; | |
772 | } | |
773 | } | |
774 | ||
775 | gossip_debug(GOSSIP_UTILS_DEBUG, | |
776 | "%s: cdm_element_count:%d:\n", | |
777 | __func__, | |
778 | cdm_element_count); | |
779 | } | |
780 | ||
781 | byte_count += strlen(kernel_title); | |
782 | for (i = 0; i < num_kmod_keyword_mask_map; i++) { | |
783 | byte_count += | |
784 | strlen(s_kmod_keyword_mask_map[i].keyword + 2); | |
785 | if (byte_count >= DEBUG_HELP_STRING_SIZE) { | |
786 | pr_info("%s: overflow 2!\n", __func__); | |
787 | goto out; | |
788 | } | |
789 | } | |
790 | ||
791 | /* build debug_help_string. */ | |
792 | debug_help_string = kzalloc(DEBUG_HELP_STRING_SIZE, GFP_KERNEL); | |
793 | if (!debug_help_string) { | |
794 | rc = -ENOMEM; | |
795 | goto out; | |
796 | } | |
797 | ||
798 | strcat(debug_help_string, client_title); | |
799 | ||
800 | if (!at_boot) { | |
801 | for (i = 0; i < cdm_element_count; i++) { | |
802 | strcat(debug_help_string, "\t"); | |
803 | strcat(debug_help_string, cdm_array[i].keyword); | |
804 | strcat(debug_help_string, "\n"); | |
805 | } | |
806 | } | |
807 | ||
808 | strcat(debug_help_string, "\n"); | |
809 | strcat(debug_help_string, kernel_title); | |
810 | ||
811 | for (i = 0; i < num_kmod_keyword_mask_map; i++) { | |
812 | strcat(debug_help_string, "\t"); | |
813 | strcat(debug_help_string, s_kmod_keyword_mask_map[i].keyword); | |
814 | strcat(debug_help_string, "\n"); | |
815 | } | |
816 | ||
817 | rc = 0; | |
818 | ||
819 | out: | |
820 | ||
821 | return rc; | |
822 | ||
823 | } | |
824 | ||
825 | /* | |
826 | * kernel = type 0 | |
827 | * client = type 1 | |
828 | */ | |
829 | void debug_mask_to_string(void *mask, int type) | |
830 | { | |
831 | int i; | |
832 | int len = 0; | |
833 | char *debug_string; | |
834 | int element_count = 0; | |
835 | ||
836 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__); | |
837 | ||
838 | if (type) { | |
839 | debug_string = client_debug_string; | |
840 | element_count = cdm_element_count; | |
841 | } else { | |
842 | debug_string = kernel_debug_string; | |
843 | element_count = num_kmod_keyword_mask_map; | |
844 | } | |
845 | ||
8bb8aefd | 846 | memset(debug_string, 0, ORANGEFS_MAX_DEBUG_STRING_LEN); |
f7be4ee0 MM |
847 | |
848 | /* | |
849 | * Some keywords, like "all" or "verbose", are amalgams of | |
850 | * numerous other keywords. Make a special check for those | |
851 | * before grinding through the whole mask only to find out | |
852 | * later... | |
853 | */ | |
854 | if (check_amalgam_keyword(mask, type)) | |
855 | goto out; | |
856 | ||
857 | /* Build the debug string. */ | |
858 | for (i = 0; i < element_count; i++) | |
859 | if (type) | |
860 | do_c_string(mask, i); | |
861 | else | |
862 | do_k_string(mask, i); | |
863 | ||
864 | len = strlen(debug_string); | |
865 | ||
866 | if ((len) && (type)) | |
867 | client_debug_string[len - 1] = '\0'; | |
868 | else if (len) | |
869 | kernel_debug_string[len - 1] = '\0'; | |
870 | else if (type) | |
871 | strcpy(client_debug_string, "none"); | |
872 | else | |
873 | strcpy(kernel_debug_string, "none"); | |
874 | ||
875 | out: | |
876 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: string:%s:\n", __func__, debug_string); | |
877 | ||
878 | return; | |
879 | ||
880 | } | |
881 | ||
882 | void do_k_string(void *k_mask, int index) | |
883 | { | |
884 | __u64 *mask = (__u64 *) k_mask; | |
885 | ||
886 | if (keyword_is_amalgam((char *) s_kmod_keyword_mask_map[index].keyword)) | |
54804949 | 887 | goto out; |
f7be4ee0 MM |
888 | |
889 | if (*mask & s_kmod_keyword_mask_map[index].mask_val) { | |
890 | if ((strlen(kernel_debug_string) + | |
891 | strlen(s_kmod_keyword_mask_map[index].keyword)) | |
8bb8aefd | 892 | < ORANGEFS_MAX_DEBUG_STRING_LEN - 1) { |
f7be4ee0 MM |
893 | strcat(kernel_debug_string, |
894 | s_kmod_keyword_mask_map[index].keyword); | |
895 | strcat(kernel_debug_string, ","); | |
896 | } else { | |
897 | gossip_err("%s: overflow!\n", __func__); | |
8bb8aefd | 898 | strcpy(kernel_debug_string, ORANGEFS_ALL); |
f7be4ee0 MM |
899 | goto out; |
900 | } | |
901 | } | |
902 | ||
903 | out: | |
904 | ||
905 | return; | |
906 | } | |
907 | ||
908 | void do_c_string(void *c_mask, int index) | |
909 | { | |
910 | struct client_debug_mask *mask = (struct client_debug_mask *) c_mask; | |
911 | ||
912 | if (keyword_is_amalgam(cdm_array[index].keyword)) | |
913 | goto out; | |
914 | ||
915 | if ((mask->mask1 & cdm_array[index].mask1) || | |
916 | (mask->mask2 & cdm_array[index].mask2)) { | |
917 | if ((strlen(client_debug_string) + | |
918 | strlen(cdm_array[index].keyword) + 1) | |
8bb8aefd | 919 | < ORANGEFS_MAX_DEBUG_STRING_LEN - 2) { |
f7be4ee0 MM |
920 | strcat(client_debug_string, |
921 | cdm_array[index].keyword); | |
922 | strcat(client_debug_string, ","); | |
923 | } else { | |
924 | gossip_err("%s: overflow!\n", __func__); | |
8bb8aefd | 925 | strcpy(client_debug_string, ORANGEFS_ALL); |
f7be4ee0 MM |
926 | goto out; |
927 | } | |
928 | } | |
929 | out: | |
930 | return; | |
931 | } | |
932 | ||
933 | int keyword_is_amalgam(char *keyword) | |
934 | { | |
935 | int rc = 0; | |
936 | ||
8bb8aefd | 937 | if ((!strcmp(keyword, ORANGEFS_ALL)) || (!strcmp(keyword, ORANGEFS_VERBOSE))) |
f7be4ee0 MM |
938 | rc = 1; |
939 | ||
940 | return rc; | |
941 | } | |
942 | ||
943 | /* | |
944 | * kernel = type 0 | |
945 | * client = type 1 | |
946 | * | |
947 | * return 1 if we found an amalgam. | |
948 | */ | |
949 | int check_amalgam_keyword(void *mask, int type) | |
950 | { | |
951 | __u64 *k_mask; | |
952 | struct client_debug_mask *c_mask; | |
953 | int k_all_index = num_kmod_keyword_mask_map - 1; | |
954 | int rc = 0; | |
955 | ||
956 | if (type) { | |
957 | c_mask = (struct client_debug_mask *) mask; | |
958 | ||
959 | if ((c_mask->mask1 == cdm_array[client_all_index].mask1) && | |
960 | (c_mask->mask2 == cdm_array[client_all_index].mask2)) { | |
8bb8aefd | 961 | strcpy(client_debug_string, ORANGEFS_ALL); |
f7be4ee0 MM |
962 | rc = 1; |
963 | goto out; | |
964 | } | |
965 | ||
966 | if ((c_mask->mask1 == cdm_array[client_verbose_index].mask1) && | |
967 | (c_mask->mask2 == cdm_array[client_verbose_index].mask2)) { | |
8bb8aefd | 968 | strcpy(client_debug_string, ORANGEFS_VERBOSE); |
f7be4ee0 MM |
969 | rc = 1; |
970 | goto out; | |
971 | } | |
972 | ||
973 | } else { | |
974 | k_mask = (__u64 *) mask; | |
975 | ||
976 | if (*k_mask >= s_kmod_keyword_mask_map[k_all_index].mask_val) { | |
8bb8aefd | 977 | strcpy(kernel_debug_string, ORANGEFS_ALL); |
f7be4ee0 MM |
978 | rc = 1; |
979 | goto out; | |
980 | } | |
981 | } | |
982 | ||
983 | out: | |
984 | ||
985 | return rc; | |
986 | } | |
987 | ||
988 | /* | |
989 | * kernel = type 0 | |
990 | * client = type 1 | |
991 | */ | |
992 | void debug_string_to_mask(char *debug_string, void *mask, int type) | |
993 | { | |
994 | char *unchecked_keyword; | |
995 | int i; | |
996 | char *strsep_fodder = kstrdup(debug_string, GFP_KERNEL); | |
eeaa3d44 | 997 | char *original_pointer; |
f7be4ee0 MM |
998 | int element_count = 0; |
999 | struct client_debug_mask *c_mask; | |
1000 | __u64 *k_mask; | |
1001 | ||
1002 | gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__); | |
1003 | ||
1004 | if (type) { | |
1005 | c_mask = (struct client_debug_mask *)mask; | |
1006 | element_count = cdm_element_count; | |
1007 | } else { | |
1008 | k_mask = (__u64 *)mask; | |
1009 | *k_mask = 0; | |
1010 | element_count = num_kmod_keyword_mask_map; | |
1011 | } | |
1012 | ||
eeaa3d44 | 1013 | original_pointer = strsep_fodder; |
f7be4ee0 MM |
1014 | while ((unchecked_keyword = strsep(&strsep_fodder, ","))) |
1015 | if (strlen(unchecked_keyword)) { | |
1016 | for (i = 0; i < element_count; i++) | |
1017 | if (type) | |
1018 | do_c_mask(i, | |
1019 | unchecked_keyword, | |
1020 | &c_mask); | |
1021 | else | |
1022 | do_k_mask(i, | |
1023 | unchecked_keyword, | |
1024 | &k_mask); | |
1025 | } | |
1026 | ||
eeaa3d44 | 1027 | kfree(original_pointer); |
f7be4ee0 MM |
1028 | } |
1029 | ||
1030 | void do_c_mask(int i, | |
1031 | char *unchecked_keyword, | |
1032 | struct client_debug_mask **sane_mask) | |
1033 | { | |
1034 | ||
1035 | if (!strcmp(cdm_array[i].keyword, unchecked_keyword)) { | |
1036 | (**sane_mask).mask1 = (**sane_mask).mask1 | cdm_array[i].mask1; | |
1037 | (**sane_mask).mask2 = (**sane_mask).mask2 | cdm_array[i].mask2; | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | void do_k_mask(int i, char *unchecked_keyword, __u64 **sane_mask) | |
1042 | { | |
1043 | ||
1044 | if (!strcmp(s_kmod_keyword_mask_map[i].keyword, unchecked_keyword)) | |
1045 | **sane_mask = (**sane_mask) | | |
1046 | s_kmod_keyword_mask_map[i].mask_val; | |
1047 | } |