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1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
3 | * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. |
4 | * |
5 | * This copyrighted material is made available to anyone wishing to use, |
6 | * modify, copy, or redistribute it subject to the terms and conditions |
7 | * of the GNU General Public License version 2. |
8 | */ |
9 | |
10 | #include <linux/sched.h> |
11 | #include <linux/slab.h> |
12 | #include <linux/spinlock.h> |
13 | #include <linux/completion.h> |
14 | #include <linux/buffer_head.h> |
15 | #include <linux/posix_acl.h> |
16 | #include <linux/sort.h> |
17 | #include <linux/gfs2_ondisk.h> |
18 | #include <linux/crc32.h> |
19 | #include <linux/security.h> |
20 | #include <linux/time.h> |
21 | |
22 | #include "gfs2.h" |
23 | #include "incore.h" |
24 | #include "acl.h" |
25 | #include "bmap.h" |
26 | #include "dir.h" |
27 | #include "eattr.h" |
28 | #include "glock.h" |
29 | #include "glops.h" |
30 | #include "inode.h" |
31 | #include "log.h" |
32 | #include "meta_io.h" |
33 | #include "quota.h" |
34 | #include "rgrp.h" |
35 | #include "trans.h" |
36 | #include "util.h" |
37 | |
38 | struct gfs2_inum_range_host { |
39 | u64 ir_start; |
40 | u64 ir_length; |
41 | }; |
42 | |
43 | static int iget_test(struct inode *inode, void *opaque) |
44 | { |
45 | struct gfs2_inode *ip = GFS2_I(inode); |
46 | u64 *no_addr = opaque; |
47 | |
48 | if (ip->i_no_addr == *no_addr && test_bit(GIF_USER, &ip->i_flags)) |
49 | return 1; |
50 | |
51 | return 0; |
52 | } |
53 | |
54 | static int iget_set(struct inode *inode, void *opaque) |
55 | { |
56 | struct gfs2_inode *ip = GFS2_I(inode); |
57 | u64 *no_addr = opaque; |
58 | |
59 | inode->i_ino = (unsigned long)*no_addr; |
60 | ip->i_no_addr = *no_addr; |
61 | set_bit(GIF_USER, &ip->i_flags); |
62 | return 0; |
63 | } |
64 | |
65 | struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr) |
66 | { |
67 | unsigned long hash = (unsigned long)no_addr; |
68 | return ilookup5(sb, hash, iget_test, &no_addr); |
69 | } |
70 | |
71 | static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr) |
72 | { |
73 | unsigned long hash = (unsigned long)no_addr; |
74 | return iget5_locked(sb, hash, iget_test, iget_set, &no_addr); |
75 | } |
76 | |
77 | struct gfs2_skip_data { |
78 | u64 no_addr; |
79 | int skipped; |
80 | }; |
81 | |
82 | static int iget_skip_test(struct inode *inode, void *opaque) |
83 | { |
84 | struct gfs2_inode *ip = GFS2_I(inode); |
85 | struct gfs2_skip_data *data = opaque; |
86 | |
87 | if (ip->i_no_addr == data->no_addr && test_bit(GIF_USER, &ip->i_flags)){ |
88 | if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE)){ |
89 | data->skipped = 1; |
90 | return 0; |
91 | } |
92 | return 1; |
93 | } |
94 | return 0; |
95 | } |
96 | |
97 | static int iget_skip_set(struct inode *inode, void *opaque) |
98 | { |
99 | struct gfs2_inode *ip = GFS2_I(inode); |
100 | struct gfs2_skip_data *data = opaque; |
101 | |
102 | if (data->skipped) |
103 | return 1; |
104 | inode->i_ino = (unsigned long)(data->no_addr); |
105 | ip->i_no_addr = data->no_addr; |
106 | set_bit(GIF_USER, &ip->i_flags); |
107 | return 0; |
108 | } |
109 | |
110 | static struct inode *gfs2_iget_skip(struct super_block *sb, |
111 | u64 no_addr) |
112 | { |
113 | struct gfs2_skip_data data; |
114 | unsigned long hash = (unsigned long)no_addr; |
115 | |
116 | data.no_addr = no_addr; |
117 | data.skipped = 0; |
118 | return iget5_locked(sb, hash, iget_skip_test, iget_skip_set, &data); |
119 | } |
120 | |
121 | /** |
122 | * GFS2 lookup code fills in vfs inode contents based on info obtained |
123 | * from directory entry inside gfs2_inode_lookup(). This has caused issues |
124 | * with NFS code path since its get_dentry routine doesn't have the relevant |
125 | * directory entry when gfs2_inode_lookup() is invoked. Part of the code |
126 | * segment inside gfs2_inode_lookup code needs to get moved around. |
127 | * |
128 | * Clean up I_LOCK and I_NEW as well. |
129 | **/ |
130 | |
131 | void gfs2_set_iop(struct inode *inode) |
132 | { |
133 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
134 | umode_t mode = inode->i_mode; |
135 | |
136 | if (S_ISREG(mode)) { |
137 | inode->i_op = &gfs2_file_iops; |
138 | if (gfs2_localflocks(sdp)) |
139 | inode->i_fop = &gfs2_file_fops_nolock; |
140 | else |
141 | inode->i_fop = &gfs2_file_fops; |
142 | } else if (S_ISDIR(mode)) { |
143 | inode->i_op = &gfs2_dir_iops; |
144 | if (gfs2_localflocks(sdp)) |
145 | inode->i_fop = &gfs2_dir_fops_nolock; |
146 | else |
147 | inode->i_fop = &gfs2_dir_fops; |
148 | } else if (S_ISLNK(mode)) { |
149 | inode->i_op = &gfs2_symlink_iops; |
150 | } else { |
151 | inode->i_op = &gfs2_file_iops; |
152 | init_special_inode(inode, inode->i_mode, inode->i_rdev); |
153 | } |
154 | |
155 | unlock_new_inode(inode); |
156 | } |
157 | |
158 | /** |
159 | * gfs2_inode_lookup - Lookup an inode |
160 | * @sb: The super block |
161 | * @no_addr: The inode number |
162 | * @type: The type of the inode |
163 | * @skip_freeing: set this not return an inode if it is currently being freed. |
164 | * |
165 | * Returns: A VFS inode, or an error |
166 | */ |
167 | |
168 | struct inode *gfs2_inode_lookup(struct super_block *sb, |
169 | unsigned int type, |
170 | u64 no_addr, |
171 | u64 no_formal_ino, int skip_freeing) |
172 | { |
173 | struct inode *inode; |
174 | struct gfs2_inode *ip; |
175 | struct gfs2_glock *io_gl; |
176 | int error; |
177 | |
178 | if (skip_freeing) |
179 | inode = gfs2_iget_skip(sb, no_addr); |
180 | else |
181 | inode = gfs2_iget(sb, no_addr); |
182 | ip = GFS2_I(inode); |
183 | |
184 | if (!inode) |
185 | return ERR_PTR(-ENOBUFS); |
186 | |
187 | if (inode->i_state & I_NEW) { |
188 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
189 | ip->i_no_formal_ino = no_formal_ino; |
190 | |
191 | error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl); |
192 | if (unlikely(error)) |
193 | goto fail; |
194 | ip->i_gl->gl_object = ip; |
195 | |
196 | error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl); |
197 | if (unlikely(error)) |
198 | goto fail_put; |
199 | |
200 | set_bit(GIF_INVALID, &ip->i_flags); |
201 | error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); |
202 | if (unlikely(error)) |
203 | goto fail_iopen; |
204 | ip->i_iopen_gh.gh_gl->gl_object = ip; |
205 | |
206 | gfs2_glock_put(io_gl); |
207 | |
208 | if ((type == DT_UNKNOWN) && (no_formal_ino == 0)) |
209 | goto gfs2_nfsbypass; |
210 | |
211 | inode->i_mode = DT2IF(type); |
212 | |
213 | /* |
214 | * We must read the inode in order to work out its type in |
215 | * this case. Note that this doesn't happen often as we normally |
216 | * know the type beforehand. This code path only occurs during |
217 | * unlinked inode recovery (where it is safe to do this glock, |
218 | * which is not true in the general case). |
219 | */ |
220 | if (type == DT_UNKNOWN) { |
221 | struct gfs2_holder gh; |
222 | error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); |
223 | if (unlikely(error)) |
224 | goto fail_glock; |
225 | /* Inode is now uptodate */ |
226 | gfs2_glock_dq_uninit(&gh); |
227 | } |
228 | |
229 | gfs2_set_iop(inode); |
230 | } |
231 | |
232 | gfs2_nfsbypass: |
233 | return inode; |
234 | fail_glock: |
235 | gfs2_glock_dq(&ip->i_iopen_gh); |
236 | fail_iopen: |
237 | gfs2_glock_put(io_gl); |
238 | fail_put: |
239 | ip->i_gl->gl_object = NULL; |
240 | gfs2_glock_put(ip->i_gl); |
241 | fail: |
242 | iget_failed(inode); |
243 | return ERR_PTR(error); |
244 | } |
245 | |
246 | static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) |
247 | { |
248 | const struct gfs2_dinode *str = buf; |
249 | struct timespec atime; |
250 | u16 height, depth; |
251 | |
252 | if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) |
253 | goto corrupt; |
254 | ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino); |
255 | ip->i_inode.i_mode = be32_to_cpu(str->di_mode); |
256 | ip->i_inode.i_rdev = 0; |
257 | switch (ip->i_inode.i_mode & S_IFMT) { |
258 | case S_IFBLK: |
259 | case S_IFCHR: |
260 | ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major), |
261 | be32_to_cpu(str->di_minor)); |
262 | break; |
263 | }; |
264 | |
265 | ip->i_inode.i_uid = be32_to_cpu(str->di_uid); |
266 | ip->i_inode.i_gid = be32_to_cpu(str->di_gid); |
267 | /* |
268 | * We will need to review setting the nlink count here in the |
269 | * light of the forthcoming ro bind mount work. This is a reminder |
270 | * to do that. |
271 | */ |
272 | ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink); |
273 | ip->i_disksize = be64_to_cpu(str->di_size); |
274 | i_size_write(&ip->i_inode, ip->i_disksize); |
275 | gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); |
276 | atime.tv_sec = be64_to_cpu(str->di_atime); |
277 | atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); |
278 | if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0) |
279 | ip->i_inode.i_atime = atime; |
280 | ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime); |
281 | ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec); |
282 | ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime); |
283 | ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec); |
284 | |
285 | ip->i_goal = be64_to_cpu(str->di_goal_meta); |
286 | ip->i_generation = be64_to_cpu(str->di_generation); |
287 | |
288 | ip->i_diskflags = be32_to_cpu(str->di_flags); |
289 | gfs2_set_inode_flags(&ip->i_inode); |
290 | height = be16_to_cpu(str->di_height); |
291 | if (unlikely(height > GFS2_MAX_META_HEIGHT)) |
292 | goto corrupt; |
293 | ip->i_height = (u8)height; |
294 | |
295 | depth = be16_to_cpu(str->di_depth); |
296 | if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) |
297 | goto corrupt; |
298 | ip->i_depth = (u8)depth; |
299 | ip->i_entries = be32_to_cpu(str->di_entries); |
300 | |
301 | ip->i_eattr = be64_to_cpu(str->di_eattr); |
302 | if (S_ISREG(ip->i_inode.i_mode)) |
303 | gfs2_set_aops(&ip->i_inode); |
304 | |
305 | return 0; |
306 | corrupt: |
307 | if (gfs2_consist_inode(ip)) |
308 | gfs2_dinode_print(ip); |
309 | return -EIO; |
310 | } |
311 | |
312 | /** |
313 | * gfs2_inode_refresh - Refresh the incore copy of the dinode |
314 | * @ip: The GFS2 inode |
315 | * |
316 | * Returns: errno |
317 | */ |
318 | |
319 | int gfs2_inode_refresh(struct gfs2_inode *ip) |
320 | { |
321 | struct buffer_head *dibh; |
322 | int error; |
323 | |
324 | error = gfs2_meta_inode_buffer(ip, &dibh); |
325 | if (error) |
326 | return error; |
327 | |
328 | if (gfs2_metatype_check(GFS2_SB(&ip->i_inode), dibh, GFS2_METATYPE_DI)) { |
329 | brelse(dibh); |
330 | return -EIO; |
331 | } |
332 | |
333 | error = gfs2_dinode_in(ip, dibh->b_data); |
334 | brelse(dibh); |
335 | clear_bit(GIF_INVALID, &ip->i_flags); |
336 | |
337 | return error; |
338 | } |
339 | |
340 | int gfs2_dinode_dealloc(struct gfs2_inode *ip) |
341 | { |
342 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); |
343 | struct gfs2_alloc *al; |
344 | struct gfs2_rgrpd *rgd; |
345 | int error; |
346 | |
347 | if (gfs2_get_inode_blocks(&ip->i_inode) != 1) { |
348 | if (gfs2_consist_inode(ip)) |
349 | gfs2_dinode_print(ip); |
350 | return -EIO; |
351 | } |
352 | |
353 | al = gfs2_alloc_get(ip); |
354 | if (!al) |
355 | return -ENOMEM; |
356 | |
357 | error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); |
358 | if (error) |
359 | goto out; |
360 | |
361 | error = gfs2_rindex_hold(sdp, &al->al_ri_gh); |
362 | if (error) |
363 | goto out_qs; |
364 | |
365 | rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr); |
366 | if (!rgd) { |
367 | gfs2_consist_inode(ip); |
368 | error = -EIO; |
369 | goto out_rindex_relse; |
370 | } |
371 | |
372 | error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, |
373 | &al->al_rgd_gh); |
374 | if (error) |
375 | goto out_rindex_relse; |
376 | |
377 | error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA, 1); |
378 | if (error) |
379 | goto out_rg_gunlock; |
380 | |
381 | set_bit(GLF_DIRTY, &ip->i_gl->gl_flags); |
382 | set_bit(GLF_LFLUSH, &ip->i_gl->gl_flags); |
383 | |
384 | gfs2_free_di(rgd, ip); |
385 | |
386 | gfs2_trans_end(sdp); |
387 | |
388 | out_rg_gunlock: |
389 | gfs2_glock_dq_uninit(&al->al_rgd_gh); |
390 | out_rindex_relse: |
391 | gfs2_glock_dq_uninit(&al->al_ri_gh); |
392 | out_qs: |
393 | gfs2_quota_unhold(ip); |
394 | out: |
395 | gfs2_alloc_put(ip); |
396 | return error; |
397 | } |
398 | |
399 | /** |
400 | * gfs2_change_nlink - Change nlink count on inode |
401 | * @ip: The GFS2 inode |
402 | * @diff: The change in the nlink count required |
403 | * |
404 | * Returns: errno |
405 | */ |
406 | int gfs2_change_nlink(struct gfs2_inode *ip, int diff) |
407 | { |
408 | struct buffer_head *dibh; |
409 | u32 nlink; |
410 | int error; |
411 | |
412 | BUG_ON(diff != 1 && diff != -1); |
413 | nlink = ip->i_inode.i_nlink + diff; |
414 | |
415 | /* If we are reducing the nlink count, but the new value ends up being |
416 | bigger than the old one, we must have underflowed. */ |
417 | if (diff < 0 && nlink > ip->i_inode.i_nlink) { |
418 | if (gfs2_consist_inode(ip)) |
419 | gfs2_dinode_print(ip); |
420 | return -EIO; |
421 | } |
422 | |
423 | error = gfs2_meta_inode_buffer(ip, &dibh); |
424 | if (error) |
425 | return error; |
426 | |
427 | if (diff > 0) |
428 | inc_nlink(&ip->i_inode); |
429 | else |
430 | drop_nlink(&ip->i_inode); |
431 | |
432 | ip->i_inode.i_ctime = CURRENT_TIME; |
433 | |
434 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
435 | gfs2_dinode_out(ip, dibh->b_data); |
436 | brelse(dibh); |
437 | mark_inode_dirty(&ip->i_inode); |
438 | |
439 | if (ip->i_inode.i_nlink == 0) |
440 | gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */ |
441 | |
442 | return error; |
443 | } |
444 | |
445 | struct inode *gfs2_lookup_simple(struct inode *dip, const char *name) |
446 | { |
447 | struct qstr qstr; |
448 | struct inode *inode; |
449 | gfs2_str2qstr(&qstr, name); |
450 | inode = gfs2_lookupi(dip, &qstr, 1); |
451 | /* gfs2_lookupi has inconsistent callers: vfs |
452 | * related routines expect NULL for no entry found, |
453 | * gfs2_lookup_simple callers expect ENOENT |
454 | * and do not check for NULL. |
455 | */ |
456 | if (inode == NULL) |
457 | return ERR_PTR(-ENOENT); |
458 | else |
459 | return inode; |
460 | } |
461 | |
462 | |
463 | /** |
464 | * gfs2_lookupi - Look up a filename in a directory and return its inode |
465 | * @d_gh: An initialized holder for the directory glock |
466 | * @name: The name of the inode to look for |
467 | * @is_root: If 1, ignore the caller's permissions |
468 | * @i_gh: An uninitialized holder for the new inode glock |
469 | * |
470 | * This can be called via the VFS filldir function when NFS is doing |
471 | * a readdirplus and the inode which its intending to stat isn't |
472 | * already in cache. In this case we must not take the directory glock |
473 | * again, since the readdir call will have already taken that lock. |
474 | * |
475 | * Returns: errno |
476 | */ |
477 | |
478 | struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, |
479 | int is_root) |
480 | { |
481 | struct super_block *sb = dir->i_sb; |
482 | struct gfs2_inode *dip = GFS2_I(dir); |
483 | struct gfs2_holder d_gh; |
484 | int error = 0; |
485 | struct inode *inode = NULL; |
486 | int unlock = 0; |
487 | |
488 | if (!name->len || name->len > GFS2_FNAMESIZE) |
489 | return ERR_PTR(-ENAMETOOLONG); |
490 | |
491 | if ((name->len == 1 && memcmp(name->name, ".", 1) == 0) || |
492 | (name->len == 2 && memcmp(name->name, "..", 2) == 0 && |
493 | dir == sb->s_root->d_inode)) { |
494 | igrab(dir); |
495 | return dir; |
496 | } |
497 | |
498 | if (gfs2_glock_is_locked_by_me(dip->i_gl) == NULL) { |
499 | error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh); |
500 | if (error) |
501 | return ERR_PTR(error); |
502 | unlock = 1; |
503 | } |
504 | |
505 | if (!is_root) { |
506 | error = gfs2_permission(dir, MAY_EXEC); |
507 | if (error) |
508 | goto out; |
509 | } |
510 | |
511 | inode = gfs2_dir_search(dir, name); |
512 | if (IS_ERR(inode)) |
513 | error = PTR_ERR(inode); |
514 | out: |
515 | if (unlock) |
516 | gfs2_glock_dq_uninit(&d_gh); |
517 | if (error == -ENOENT) |
518 | return NULL; |
519 | return inode ? inode : ERR_PTR(error); |
520 | } |
521 | |
522 | static void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf) |
523 | { |
524 | const struct gfs2_inum_range *str = buf; |
525 | |
526 | ir->ir_start = be64_to_cpu(str->ir_start); |
527 | ir->ir_length = be64_to_cpu(str->ir_length); |
528 | } |
529 | |
530 | static void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf) |
531 | { |
532 | struct gfs2_inum_range *str = buf; |
533 | |
534 | str->ir_start = cpu_to_be64(ir->ir_start); |
535 | str->ir_length = cpu_to_be64(ir->ir_length); |
536 | } |
537 | |
538 | static int pick_formal_ino_1(struct gfs2_sbd *sdp, u64 *formal_ino) |
539 | { |
540 | struct gfs2_inode *ip = GFS2_I(sdp->sd_ir_inode); |
541 | struct buffer_head *bh; |
542 | struct gfs2_inum_range_host ir; |
543 | int error; |
544 | |
545 | error = gfs2_trans_begin(sdp, RES_DINODE, 0); |
546 | if (error) |
547 | return error; |
548 | mutex_lock(&sdp->sd_inum_mutex); |
549 | |
550 | error = gfs2_meta_inode_buffer(ip, &bh); |
551 | if (error) { |
552 | mutex_unlock(&sdp->sd_inum_mutex); |
553 | gfs2_trans_end(sdp); |
554 | return error; |
555 | } |
556 | |
557 | gfs2_inum_range_in(&ir, bh->b_data + sizeof(struct gfs2_dinode)); |
558 | |
559 | if (ir.ir_length) { |
560 | *formal_ino = ir.ir_start++; |
561 | ir.ir_length--; |
562 | gfs2_trans_add_bh(ip->i_gl, bh, 1); |
563 | gfs2_inum_range_out(&ir, |
564 | bh->b_data + sizeof(struct gfs2_dinode)); |
565 | brelse(bh); |
566 | mutex_unlock(&sdp->sd_inum_mutex); |
567 | gfs2_trans_end(sdp); |
568 | return 0; |
569 | } |
570 | |
571 | brelse(bh); |
572 | |
573 | mutex_unlock(&sdp->sd_inum_mutex); |
574 | gfs2_trans_end(sdp); |
575 | |
576 | return 1; |
577 | } |
578 | |
579 | static int pick_formal_ino_2(struct gfs2_sbd *sdp, u64 *formal_ino) |
580 | { |
581 | struct gfs2_inode *ip = GFS2_I(sdp->sd_ir_inode); |
582 | struct gfs2_inode *m_ip = GFS2_I(sdp->sd_inum_inode); |
583 | struct gfs2_holder gh; |
584 | struct buffer_head *bh; |
585 | struct gfs2_inum_range_host ir; |
586 | int error; |
587 | |
588 | error = gfs2_glock_nq_init(m_ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); |
589 | if (error) |
590 | return error; |
591 | |
592 | error = gfs2_trans_begin(sdp, 2 * RES_DINODE, 0); |
593 | if (error) |
594 | goto out; |
595 | mutex_lock(&sdp->sd_inum_mutex); |
596 | |
597 | error = gfs2_meta_inode_buffer(ip, &bh); |
598 | if (error) |
599 | goto out_end_trans; |
600 | |
601 | gfs2_inum_range_in(&ir, bh->b_data + sizeof(struct gfs2_dinode)); |
602 | |
603 | if (!ir.ir_length) { |
604 | struct buffer_head *m_bh; |
605 | u64 x, y; |
606 | __be64 z; |
607 | |
608 | error = gfs2_meta_inode_buffer(m_ip, &m_bh); |
609 | if (error) |
610 | goto out_brelse; |
611 | |
612 | z = *(__be64 *)(m_bh->b_data + sizeof(struct gfs2_dinode)); |
613 | x = y = be64_to_cpu(z); |
614 | ir.ir_start = x; |
615 | ir.ir_length = GFS2_INUM_QUANTUM; |
616 | x += GFS2_INUM_QUANTUM; |
617 | if (x < y) |
618 | gfs2_consist_inode(m_ip); |
619 | z = cpu_to_be64(x); |
620 | gfs2_trans_add_bh(m_ip->i_gl, m_bh, 1); |
621 | *(__be64 *)(m_bh->b_data + sizeof(struct gfs2_dinode)) = z; |
622 | |
623 | brelse(m_bh); |
624 | } |
625 | |
626 | *formal_ino = ir.ir_start++; |
627 | ir.ir_length--; |
628 | |
629 | gfs2_trans_add_bh(ip->i_gl, bh, 1); |
630 | gfs2_inum_range_out(&ir, bh->b_data + sizeof(struct gfs2_dinode)); |
631 | |
632 | out_brelse: |
633 | brelse(bh); |
634 | out_end_trans: |
635 | mutex_unlock(&sdp->sd_inum_mutex); |
636 | gfs2_trans_end(sdp); |
637 | out: |
638 | gfs2_glock_dq_uninit(&gh); |
639 | return error; |
640 | } |
641 | |
642 | static int pick_formal_ino(struct gfs2_sbd *sdp, u64 *inum) |
643 | { |
644 | int error; |
645 | |
646 | error = pick_formal_ino_1(sdp, inum); |
647 | if (error <= 0) |
648 | return error; |
649 | |
650 | error = pick_formal_ino_2(sdp, inum); |
651 | |
652 | return error; |
653 | } |
654 | |
655 | /** |
656 | * create_ok - OK to create a new on-disk inode here? |
657 | * @dip: Directory in which dinode is to be created |
658 | * @name: Name of new dinode |
659 | * @mode: |
660 | * |
661 | * Returns: errno |
662 | */ |
663 | |
664 | static int create_ok(struct gfs2_inode *dip, const struct qstr *name, |
665 | unsigned int mode) |
666 | { |
667 | int error; |
668 | |
669 | error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC); |
670 | if (error) |
671 | return error; |
672 | |
673 | /* Don't create entries in an unlinked directory */ |
674 | if (!dip->i_inode.i_nlink) |
675 | return -EPERM; |
676 | |
677 | error = gfs2_dir_check(&dip->i_inode, name, NULL); |
678 | switch (error) { |
679 | case -ENOENT: |
680 | error = 0; |
681 | break; |
682 | case 0: |
683 | return -EEXIST; |
684 | default: |
685 | return error; |
686 | } |
687 | |
688 | if (dip->i_entries == (u32)-1) |
689 | return -EFBIG; |
690 | if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1) |
691 | return -EMLINK; |
692 | |
693 | return 0; |
694 | } |
695 | |
696 | static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode, |
697 | unsigned int *uid, unsigned int *gid) |
698 | { |
699 | if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir && |
700 | (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) { |
701 | if (S_ISDIR(*mode)) |
702 | *mode |= S_ISUID; |
703 | else if (dip->i_inode.i_uid != current_fsuid()) |
704 | *mode &= ~07111; |
705 | *uid = dip->i_inode.i_uid; |
706 | } else |
707 | *uid = current_fsuid(); |
708 | |
709 | if (dip->i_inode.i_mode & S_ISGID) { |
710 | if (S_ISDIR(*mode)) |
711 | *mode |= S_ISGID; |
712 | *gid = dip->i_inode.i_gid; |
713 | } else |
714 | *gid = current_fsgid(); |
715 | } |
716 | |
717 | static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation) |
718 | { |
719 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
720 | int error; |
721 | |
722 | if (gfs2_alloc_get(dip) == NULL) |
723 | return -ENOMEM; |
724 | |
725 | dip->i_alloc->al_requested = RES_DINODE; |
726 | error = gfs2_inplace_reserve(dip); |
727 | if (error) |
728 | goto out; |
729 | |
730 | error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS, 0); |
731 | if (error) |
732 | goto out_ipreserv; |
733 | |
734 | *no_addr = gfs2_alloc_di(dip, generation); |
735 | |
736 | gfs2_trans_end(sdp); |
737 | |
738 | out_ipreserv: |
739 | gfs2_inplace_release(dip); |
740 | out: |
741 | gfs2_alloc_put(dip); |
742 | return error; |
743 | } |
744 | |
745 | /** |
746 | * init_dinode - Fill in a new dinode structure |
747 | * @dip: the directory this inode is being created in |
748 | * @gl: The glock covering the new inode |
749 | * @inum: the inode number |
750 | * @mode: the file permissions |
751 | * @uid: |
752 | * @gid: |
753 | * |
754 | */ |
755 | |
756 | static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, |
757 | const struct gfs2_inum_host *inum, unsigned int mode, |
758 | unsigned int uid, unsigned int gid, |
759 | const u64 *generation, dev_t dev, struct buffer_head **bhp) |
760 | { |
761 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
762 | struct gfs2_dinode *di; |
763 | struct buffer_head *dibh; |
764 | struct timespec tv = CURRENT_TIME; |
765 | |
766 | dibh = gfs2_meta_new(gl, inum->no_addr); |
767 | gfs2_trans_add_bh(gl, dibh, 1); |
768 | gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI); |
769 | gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); |
770 | di = (struct gfs2_dinode *)dibh->b_data; |
771 | |
772 | di->di_num.no_formal_ino = cpu_to_be64(inum->no_formal_ino); |
773 | di->di_num.no_addr = cpu_to_be64(inum->no_addr); |
774 | di->di_mode = cpu_to_be32(mode); |
775 | di->di_uid = cpu_to_be32(uid); |
776 | di->di_gid = cpu_to_be32(gid); |
777 | di->di_nlink = 0; |
778 | di->di_size = 0; |
779 | di->di_blocks = cpu_to_be64(1); |
780 | di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(tv.tv_sec); |
781 | di->di_major = cpu_to_be32(MAJOR(dev)); |
782 | di->di_minor = cpu_to_be32(MINOR(dev)); |
783 | di->di_goal_meta = di->di_goal_data = cpu_to_be64(inum->no_addr); |
784 | di->di_generation = cpu_to_be64(*generation); |
785 | di->di_flags = 0; |
786 | |
787 | if (S_ISREG(mode)) { |
788 | if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) || |
789 | gfs2_tune_get(sdp, gt_new_files_jdata)) |
790 | di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); |
791 | } else if (S_ISDIR(mode)) { |
792 | di->di_flags |= cpu_to_be32(dip->i_diskflags & |
793 | GFS2_DIF_INHERIT_JDATA); |
794 | } |
795 | |
796 | di->__pad1 = 0; |
797 | di->di_payload_format = cpu_to_be32(S_ISDIR(mode) ? GFS2_FORMAT_DE : 0); |
798 | di->di_height = 0; |
799 | di->__pad2 = 0; |
800 | di->__pad3 = 0; |
801 | di->di_depth = 0; |
802 | di->di_entries = 0; |
803 | memset(&di->__pad4, 0, sizeof(di->__pad4)); |
804 | di->di_eattr = 0; |
805 | di->di_atime_nsec = cpu_to_be32(tv.tv_nsec); |
806 | di->di_mtime_nsec = cpu_to_be32(tv.tv_nsec); |
807 | di->di_ctime_nsec = cpu_to_be32(tv.tv_nsec); |
808 | memset(&di->di_reserved, 0, sizeof(di->di_reserved)); |
809 | |
810 | set_buffer_uptodate(dibh); |
811 | |
812 | *bhp = dibh; |
813 | } |
814 | |
815 | static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, |
816 | unsigned int mode, const struct gfs2_inum_host *inum, |
817 | const u64 *generation, dev_t dev, struct buffer_head **bhp) |
818 | { |
819 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
820 | unsigned int uid, gid; |
821 | int error; |
822 | |
823 | munge_mode_uid_gid(dip, &mode, &uid, &gid); |
824 | if (!gfs2_alloc_get(dip)) |
825 | return -ENOMEM; |
826 | |
827 | error = gfs2_quota_lock(dip, uid, gid); |
828 | if (error) |
829 | goto out; |
830 | |
831 | error = gfs2_quota_check(dip, uid, gid); |
832 | if (error) |
833 | goto out_quota; |
834 | |
835 | error = gfs2_trans_begin(sdp, RES_DINODE + RES_QUOTA, 0); |
836 | if (error) |
837 | goto out_quota; |
838 | |
839 | init_dinode(dip, gl, inum, mode, uid, gid, generation, dev, bhp); |
840 | gfs2_quota_change(dip, +1, uid, gid); |
841 | gfs2_trans_end(sdp); |
842 | |
843 | out_quota: |
844 | gfs2_quota_unlock(dip); |
845 | out: |
846 | gfs2_alloc_put(dip); |
847 | return error; |
848 | } |
849 | |
850 | static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, |
851 | struct gfs2_inode *ip) |
852 | { |
853 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
854 | struct gfs2_alloc *al; |
855 | int alloc_required; |
856 | struct buffer_head *dibh; |
857 | int error; |
858 | |
859 | al = gfs2_alloc_get(dip); |
860 | if (!al) |
861 | return -ENOMEM; |
862 | |
863 | error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); |
864 | if (error) |
865 | goto fail; |
866 | |
867 | error = alloc_required = gfs2_diradd_alloc_required(&dip->i_inode, name); |
868 | if (alloc_required < 0) |
869 | goto fail_quota_locks; |
870 | if (alloc_required) { |
871 | error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid); |
872 | if (error) |
873 | goto fail_quota_locks; |
874 | |
875 | al->al_requested = sdp->sd_max_dirres; |
876 | |
877 | error = gfs2_inplace_reserve(dip); |
878 | if (error) |
879 | goto fail_quota_locks; |
880 | |
881 | error = gfs2_trans_begin(sdp, sdp->sd_max_dirres + |
882 | al->al_rgd->rd_length + |
883 | 2 * RES_DINODE + |
884 | RES_STATFS + RES_QUOTA, 0); |
885 | if (error) |
886 | goto fail_ipreserv; |
887 | } else { |
888 | error = gfs2_trans_begin(sdp, RES_LEAF + 2 * RES_DINODE, 0); |
889 | if (error) |
890 | goto fail_quota_locks; |
891 | } |
892 | |
893 | error = gfs2_dir_add(&dip->i_inode, name, ip, IF2DT(ip->i_inode.i_mode)); |
894 | if (error) |
895 | goto fail_end_trans; |
896 | |
897 | error = gfs2_meta_inode_buffer(ip, &dibh); |
898 | if (error) |
899 | goto fail_end_trans; |
900 | ip->i_inode.i_nlink = 1; |
901 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
902 | gfs2_dinode_out(ip, dibh->b_data); |
903 | brelse(dibh); |
904 | return 0; |
905 | |
906 | fail_end_trans: |
907 | gfs2_trans_end(sdp); |
908 | |
909 | fail_ipreserv: |
910 | if (dip->i_alloc->al_rgd) |
911 | gfs2_inplace_release(dip); |
912 | |
913 | fail_quota_locks: |
914 | gfs2_quota_unlock(dip); |
915 | |
916 | fail: |
917 | gfs2_alloc_put(dip); |
918 | return error; |
919 | } |
920 | |
921 | static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip) |
922 | { |
923 | int err; |
924 | size_t len; |
925 | void *value; |
926 | char *name; |
927 | struct gfs2_ea_request er; |
928 | |
929 | err = security_inode_init_security(&ip->i_inode, &dip->i_inode, |
930 | &name, &value, &len); |
931 | |
932 | if (err) { |
933 | if (err == -EOPNOTSUPP) |
934 | return 0; |
935 | return err; |
936 | } |
937 | |
938 | memset(&er, 0, sizeof(struct gfs2_ea_request)); |
939 | |
940 | er.er_type = GFS2_EATYPE_SECURITY; |
941 | er.er_name = name; |
942 | er.er_data = value; |
943 | er.er_name_len = strlen(name); |
944 | er.er_data_len = len; |
945 | |
946 | err = gfs2_ea_set_i(ip, &er); |
947 | |
948 | kfree(value); |
949 | kfree(name); |
950 | |
951 | return err; |
952 | } |
953 | |
954 | /** |
955 | * gfs2_createi - Create a new inode |
956 | * @ghs: An array of two holders |
957 | * @name: The name of the new file |
958 | * @mode: the permissions on the new inode |
959 | * |
960 | * @ghs[0] is an initialized holder for the directory |
961 | * @ghs[1] is the holder for the inode lock |
962 | * |
963 | * If the return value is not NULL, the glocks on both the directory and the new |
964 | * file are held. A transaction has been started and an inplace reservation |
965 | * is held, as well. |
966 | * |
967 | * Returns: An inode |
968 | */ |
969 | |
970 | struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, |
971 | unsigned int mode, dev_t dev) |
972 | { |
973 | struct inode *inode = NULL; |
974 | struct gfs2_inode *dip = ghs->gh_gl->gl_object; |
975 | struct inode *dir = &dip->i_inode; |
976 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
977 | struct gfs2_inum_host inum = { .no_addr = 0, .no_formal_ino = 0 }; |
978 | int error; |
979 | u64 generation; |
980 | struct buffer_head *bh = NULL; |
981 | |
982 | if (!name->len || name->len > GFS2_FNAMESIZE) |
983 | return ERR_PTR(-ENAMETOOLONG); |
984 | |
985 | gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, ghs); |
986 | error = gfs2_glock_nq(ghs); |
987 | if (error) |
988 | goto fail; |
989 | |
990 | error = create_ok(dip, name, mode); |
991 | if (error) |
992 | goto fail_gunlock; |
993 | |
994 | error = pick_formal_ino(sdp, &inum.no_formal_ino); |
995 | if (error) |
996 | goto fail_gunlock; |
997 | |
998 | error = alloc_dinode(dip, &inum.no_addr, &generation); |
999 | if (error) |
1000 | goto fail_gunlock; |
1001 | |
1002 | error = gfs2_glock_nq_num(sdp, inum.no_addr, &gfs2_inode_glops, |
1003 | LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1); |
1004 | if (error) |
1005 | goto fail_gunlock; |
1006 | |
1007 | error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev, &bh); |
1008 | if (error) |
1009 | goto fail_gunlock2; |
1010 | |
1011 | inode = gfs2_inode_lookup(dir->i_sb, IF2DT(mode), |
1012 | inum.no_addr, |
1013 | inum.no_formal_ino, 0); |
1014 | if (IS_ERR(inode)) |
1015 | goto fail_gunlock2; |
1016 | |
1017 | error = gfs2_inode_refresh(GFS2_I(inode)); |
1018 | if (error) |
1019 | goto fail_gunlock2; |
1020 | |
1021 | error = gfs2_acl_create(dip, GFS2_I(inode)); |
1022 | if (error) |
1023 | goto fail_gunlock2; |
1024 | |
1025 | error = gfs2_security_init(dip, GFS2_I(inode)); |
1026 | if (error) |
1027 | goto fail_gunlock2; |
1028 | |
1029 | error = link_dinode(dip, name, GFS2_I(inode)); |
1030 | if (error) |
1031 | goto fail_gunlock2; |
1032 | |
1033 | if (bh) |
1034 | brelse(bh); |
1035 | return inode; |
1036 | |
1037 | fail_gunlock2: |
1038 | gfs2_glock_dq_uninit(ghs + 1); |
1039 | if (inode && !IS_ERR(inode)) |
1040 | iput(inode); |
1041 | fail_gunlock: |
1042 | gfs2_glock_dq(ghs); |
1043 | fail: |
1044 | if (bh) |
1045 | brelse(bh); |
1046 | return ERR_PTR(error); |
1047 | } |
1048 | |
1049 | static int __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) |
1050 | { |
1051 | struct buffer_head *dibh; |
1052 | int error; |
1053 | |
1054 | error = gfs2_meta_inode_buffer(ip, &dibh); |
1055 | if (!error) { |
1056 | error = inode_setattr(&ip->i_inode, attr); |
1057 | gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error); |
1058 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
1059 | gfs2_dinode_out(ip, dibh->b_data); |
1060 | brelse(dibh); |
1061 | } |
1062 | return error; |
1063 | } |
1064 | |
1065 | /** |
1066 | * gfs2_setattr_simple - |
1067 | * @ip: |
1068 | * @attr: |
1069 | * |
1070 | * Called with a reference on the vnode. |
1071 | * |
1072 | * Returns: errno |
1073 | */ |
1074 | |
1075 | int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) |
1076 | { |
1077 | int error; |
1078 | |
1079 | if (current->journal_info) |
1080 | return __gfs2_setattr_simple(ip, attr); |
1081 | |
1082 | error = gfs2_trans_begin(GFS2_SB(&ip->i_inode), RES_DINODE, 0); |
1083 | if (error) |
1084 | return error; |
1085 | |
1086 | error = __gfs2_setattr_simple(ip, attr); |
1087 | gfs2_trans_end(GFS2_SB(&ip->i_inode)); |
1088 | return error; |
1089 | } |
1090 | |
1091 | void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) |
1092 | { |
1093 | struct gfs2_dinode *str = buf; |
1094 | |
1095 | str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC); |
1096 | str->di_header.mh_type = cpu_to_be32(GFS2_METATYPE_DI); |
1097 | str->di_header.__pad0 = 0; |
1098 | str->di_header.mh_format = cpu_to_be32(GFS2_FORMAT_DI); |
1099 | str->di_header.__pad1 = 0; |
1100 | str->di_num.no_addr = cpu_to_be64(ip->i_no_addr); |
1101 | str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); |
1102 | str->di_mode = cpu_to_be32(ip->i_inode.i_mode); |
1103 | str->di_uid = cpu_to_be32(ip->i_inode.i_uid); |
1104 | str->di_gid = cpu_to_be32(ip->i_inode.i_gid); |
1105 | str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink); |
1106 | str->di_size = cpu_to_be64(ip->i_disksize); |
1107 | str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); |
1108 | str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); |
1109 | str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec); |
1110 | str->di_ctime = cpu_to_be64(ip->i_inode.i_ctime.tv_sec); |
1111 | |
1112 | str->di_goal_meta = cpu_to_be64(ip->i_goal); |
1113 | str->di_goal_data = cpu_to_be64(ip->i_goal); |
1114 | str->di_generation = cpu_to_be64(ip->i_generation); |
1115 | |
1116 | str->di_flags = cpu_to_be32(ip->i_diskflags); |
1117 | str->di_height = cpu_to_be16(ip->i_height); |
1118 | str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) && |
1119 | !(ip->i_diskflags & GFS2_DIF_EXHASH) ? |
1120 | GFS2_FORMAT_DE : 0); |
1121 | str->di_depth = cpu_to_be16(ip->i_depth); |
1122 | str->di_entries = cpu_to_be32(ip->i_entries); |
1123 | |
1124 | str->di_eattr = cpu_to_be64(ip->i_eattr); |
1125 | str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec); |
1126 | str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec); |
1127 | str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec); |
1128 | } |
1129 | |
1130 | void gfs2_dinode_print(const struct gfs2_inode *ip) |
1131 | { |
1132 | printk(KERN_INFO " no_formal_ino = %llu\n", |
1133 | (unsigned long long)ip->i_no_formal_ino); |
1134 | printk(KERN_INFO " no_addr = %llu\n", |
1135 | (unsigned long long)ip->i_no_addr); |
1136 | printk(KERN_INFO " i_disksize = %llu\n", |
1137 | (unsigned long long)ip->i_disksize); |
1138 | printk(KERN_INFO " blocks = %llu\n", |
1139 | (unsigned long long)gfs2_get_inode_blocks(&ip->i_inode)); |
1140 | printk(KERN_INFO " i_goal = %llu\n", |
1141 | (unsigned long long)ip->i_goal); |
1142 | printk(KERN_INFO " i_diskflags = 0x%.8X\n", ip->i_diskflags); |
1143 | printk(KERN_INFO " i_height = %u\n", ip->i_height); |
1144 | printk(KERN_INFO " i_depth = %u\n", ip->i_depth); |
1145 | printk(KERN_INFO " i_entries = %u\n", ip->i_entries); |
1146 | printk(KERN_INFO " i_eattr = %llu\n", |
1147 | (unsigned long long)ip->i_eattr); |
1148 | } |
1149 | |
1150 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9