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12#include <linux/capability.h>
13#include <linux/kernel.h>
14#include <linux/sched.h>
15#include <linux/fs.h>
16#include <linux/list.h>
17#include <linux/mtd/mtd.h>
18#include <linux/pagemap.h>
19#include <linux/slab.h>
20#include <linux/vmalloc.h>
21#include <linux/vfs.h>
22#include <linux/crc32.h>
23#include <linux/smp_lock.h>
24#include "nodelist.h"
25
26static int jffs2_flash_setup(struct jffs2_sb_info *c);
27
28int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
29{
30 struct jffs2_full_dnode *old_metadata, *new_metadata;
31 struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
32 struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
33 struct jffs2_raw_inode *ri;
34 union jffs2_device_node dev;
35 unsigned char *mdata = NULL;
36 int mdatalen = 0;
37 unsigned int ivalid;
38 uint32_t alloclen;
39 int ret;
40 int alloc_type = ALLOC_NORMAL;
41
42 D1(printk(KERN_DEBUG "jffs2_setattr(): ino #%lu\n", inode->i_ino));
43
44
45
46
47
48
49 if (S_ISBLK(inode->i_mode) || S_ISCHR(inode->i_mode)) {
50
51 mdatalen = jffs2_encode_dev(&dev, inode->i_rdev);
52 mdata = (char *)&dev;
53 D1(printk(KERN_DEBUG "jffs2_setattr(): Writing %d bytes of kdev_t\n", mdatalen));
54 } else if (S_ISLNK(inode->i_mode)) {
55 mutex_lock(&f->sem);
56 mdatalen = f->metadata->size;
57 mdata = kmalloc(f->metadata->size, GFP_USER);
58 if (!mdata) {
59 mutex_unlock(&f->sem);
60 return -ENOMEM;
61 }
62 ret = jffs2_read_dnode(c, f, f->metadata, mdata, 0, mdatalen);
63 if (ret) {
64 mutex_unlock(&f->sem);
65 kfree(mdata);
66 return ret;
67 }
68 mutex_unlock(&f->sem);
69 D1(printk(KERN_DEBUG "jffs2_setattr(): Writing %d bytes of symlink target\n", mdatalen));
70 }
71
72 ri = jffs2_alloc_raw_inode();
73 if (!ri) {
74 if (S_ISLNK(inode->i_mode))
75 kfree(mdata);
76 return -ENOMEM;
77 }
78
79 ret = jffs2_reserve_space(c, sizeof(*ri) + mdatalen, &alloclen,
80 ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
81 if (ret) {
82 jffs2_free_raw_inode(ri);
83 if (S_ISLNK(inode->i_mode & S_IFMT))
84 kfree(mdata);
85 return ret;
86 }
87 mutex_lock(&f->sem);
88 ivalid = iattr->ia_valid;
89
90 ri->magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
91 ri->nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
92 ri->totlen = cpu_to_je32(sizeof(*ri) + mdatalen);
93 ri->hdr_crc = cpu_to_je32(crc32(0, ri, sizeof(struct jffs2_unknown_node)-4));
94
95 ri->ino = cpu_to_je32(inode->i_ino);
96 ri->version = cpu_to_je32(++f->highest_version);
97
98 ri->uid = cpu_to_je16((ivalid & ATTR_UID)?iattr->ia_uid:inode->i_uid);
99 ri->gid = cpu_to_je16((ivalid & ATTR_GID)?iattr->ia_gid:inode->i_gid);
100
101 if (ivalid & ATTR_MODE)
102 ri->mode = cpu_to_jemode(iattr->ia_mode);
103 else
104 ri->mode = cpu_to_jemode(inode->i_mode);
105
106
107 ri->isize = cpu_to_je32((ivalid & ATTR_SIZE)?iattr->ia_size:inode->i_size);
108 ri->atime = cpu_to_je32(I_SEC((ivalid & ATTR_ATIME)?iattr->ia_atime:inode->i_atime));
109 ri->mtime = cpu_to_je32(I_SEC((ivalid & ATTR_MTIME)?iattr->ia_mtime:inode->i_mtime));
110 ri->ctime = cpu_to_je32(I_SEC((ivalid & ATTR_CTIME)?iattr->ia_ctime:inode->i_ctime));
111
112 ri->offset = cpu_to_je32(0);
113 ri->csize = ri->dsize = cpu_to_je32(mdatalen);
114 ri->compr = JFFS2_COMPR_NONE;
115 if (ivalid & ATTR_SIZE && inode->i_size < iattr->ia_size) {
116
117 ri->compr = JFFS2_COMPR_ZERO;
118 ri->dsize = cpu_to_je32(iattr->ia_size - inode->i_size);
119 ri->offset = cpu_to_je32(inode->i_size);
120 } else if (ivalid & ATTR_SIZE && !iattr->ia_size) {
121
122
123 alloc_type = ALLOC_DELETION;
124 }
125 ri->node_crc = cpu_to_je32(crc32(0, ri, sizeof(*ri)-8));
126 if (mdatalen)
127 ri->data_crc = cpu_to_je32(crc32(0, mdata, mdatalen));
128 else
129 ri->data_crc = cpu_to_je32(0);
130
131 new_metadata = jffs2_write_dnode(c, f, ri, mdata, mdatalen, alloc_type);
132 if (S_ISLNK(inode->i_mode))
133 kfree(mdata);
134
135 if (IS_ERR(new_metadata)) {
136 jffs2_complete_reservation(c);
137 jffs2_free_raw_inode(ri);
138 mutex_unlock(&f->sem);
139 return PTR_ERR(new_metadata);
140 }
141
142 inode->i_atime = ITIME(je32_to_cpu(ri->atime));
143 inode->i_ctime = ITIME(je32_to_cpu(ri->ctime));
144 inode->i_mtime = ITIME(je32_to_cpu(ri->mtime));
145 inode->i_mode = jemode_to_cpu(ri->mode);
146 inode->i_uid = je16_to_cpu(ri->uid);
147 inode->i_gid = je16_to_cpu(ri->gid);
148
149
150 old_metadata = f->metadata;
151
152 if (ivalid & ATTR_SIZE && inode->i_size > iattr->ia_size)
153 jffs2_truncate_fragtree (c, &f->fragtree, iattr->ia_size);
154
155 if (ivalid & ATTR_SIZE && inode->i_size < iattr->ia_size) {
156 jffs2_add_full_dnode_to_inode(c, f, new_metadata);
157 inode->i_size = iattr->ia_size;
158 inode->i_blocks = (inode->i_size + 511) >> 9;
159 f->metadata = NULL;
160 } else {
161 f->metadata = new_metadata;
162 }
163 if (old_metadata) {
164 jffs2_mark_node_obsolete(c, old_metadata->raw);
165 jffs2_free_full_dnode(old_metadata);
166 }
167 jffs2_free_raw_inode(ri);
168
169 mutex_unlock(&f->sem);
170 jffs2_complete_reservation(c);
171
172
173
174
175
176
177 if (ivalid & ATTR_SIZE && inode->i_size > iattr->ia_size) {
178 vmtruncate(inode, iattr->ia_size);
179 inode->i_blocks = (inode->i_size + 511) >> 9;
180 }
181
182 return 0;
183}
184
185int jffs2_setattr(struct dentry *dentry, struct iattr *iattr)
186{
187 int rc;
188
189 rc = inode_change_ok(dentry->d_inode, iattr);
190 if (rc)
191 return rc;
192
193 rc = jffs2_do_setattr(dentry->d_inode, iattr);
194 if (!rc && (iattr->ia_valid & ATTR_MODE))
195 rc = jffs2_acl_chmod(dentry->d_inode);
196
197 return rc;
198}
199
200int jffs2_statfs(struct dentry *dentry, struct kstatfs *buf)
201{
202 struct jffs2_sb_info *c = JFFS2_SB_INFO(dentry->d_sb);
203 unsigned long avail;
204
205 buf->f_type = JFFS2_SUPER_MAGIC;
206 buf->f_bsize = 1 << PAGE_SHIFT;
207 buf->f_blocks = c->flash_size >> PAGE_SHIFT;
208 buf->f_files = 0;
209 buf->f_ffree = 0;
210 buf->f_namelen = JFFS2_MAX_NAME_LEN;
211 buf->f_fsid.val[0] = JFFS2_SUPER_MAGIC;
212 buf->f_fsid.val[1] = c->mtd->index;
213
214 spin_lock(&c->erase_completion_lock);
215 avail = c->dirty_size + c->free_size;
216 if (avail > c->sector_size * c->resv_blocks_write)
217 avail -= c->sector_size * c->resv_blocks_write;
218 else
219 avail = 0;
220 spin_unlock(&c->erase_completion_lock);
221
222 buf->f_bavail = buf->f_bfree = avail >> PAGE_SHIFT;
223
224 return 0;
225}
226
227
228void jffs2_clear_inode (struct inode *inode)
229{
230
231
232
233 struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
234 struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
235
236 D1(printk(KERN_DEBUG "jffs2_clear_inode(): ino #%lu mode %o\n", inode->i_ino, inode->i_mode));
237 jffs2_do_clear_inode(c, f);
238}
239
240struct inode *jffs2_iget(struct super_block *sb, unsigned long ino)
241{
242 struct jffs2_inode_info *f;
243 struct jffs2_sb_info *c;
244 struct jffs2_raw_inode latest_node;
245 union jffs2_device_node jdev;
246 struct inode *inode;
247 dev_t rdev = 0;
248 int ret;
249
250 D1(printk(KERN_DEBUG "jffs2_iget(): ino == %lu\n", ino));
251
252 inode = iget_locked(sb, ino);
253 if (!inode)
254 return ERR_PTR(-ENOMEM);
255 if (!(inode->i_state & I_NEW))
256 return inode;
257
258 f = JFFS2_INODE_INFO(inode);
259 c = JFFS2_SB_INFO(inode->i_sb);
260
261 jffs2_init_inode_info(f);
262 mutex_lock(&f->sem);
263
264 ret = jffs2_do_read_inode(c, f, inode->i_ino, &latest_node);
265
266 if (ret) {
267 mutex_unlock(&f->sem);
268 iget_failed(inode);
269 return ERR_PTR(ret);
270 }
271 inode->i_mode = jemode_to_cpu(latest_node.mode);
272 inode->i_uid = je16_to_cpu(latest_node.uid);
273 inode->i_gid = je16_to_cpu(latest_node.gid);
274 inode->i_size = je32_to_cpu(latest_node.isize);
275 inode->i_atime = ITIME(je32_to_cpu(latest_node.atime));
276 inode->i_mtime = ITIME(je32_to_cpu(latest_node.mtime));
277 inode->i_ctime = ITIME(je32_to_cpu(latest_node.ctime));
278
279 inode->i_nlink = f->inocache->pino_nlink;
280
281 inode->i_blocks = (inode->i_size + 511) >> 9;
282
283 switch (inode->i_mode & S_IFMT) {
284
285 case S_IFLNK:
286 inode->i_op = &jffs2_symlink_inode_operations;
287 break;
288
289 case S_IFDIR:
290 {
291 struct jffs2_full_dirent *fd;
292 inode->i_nlink = 2;
293
294 for (fd=f->dents; fd; fd = fd->next) {
295 if (fd->type == DT_DIR && fd->ino)
296 inc_nlink(inode);
297 }
298
299 if (inode->i_ino == 1)
300 inc_nlink(inode);
301
302 inode->i_op = &jffs2_dir_inode_operations;
303 inode->i_fop = &jffs2_dir_operations;
304 break;
305 }
306 case S_IFREG:
307 inode->i_op = &jffs2_file_inode_operations;
308 inode->i_fop = &jffs2_file_operations;
309 inode->i_mapping->a_ops = &jffs2_file_address_operations;
310 inode->i_mapping->nrpages = 0;
311 break;
312
313 case S_IFBLK:
314 case S_IFCHR:
315
316 if (f->metadata->size != sizeof(jdev.old) &&
317 f->metadata->size != sizeof(jdev.new)) {
318 printk(KERN_NOTICE "Device node has strange size %d\n", f->metadata->size);
319 goto error_io;
320 }
321 D1(printk(KERN_DEBUG "Reading device numbers from flash\n"));
322 ret = jffs2_read_dnode(c, f, f->metadata, (char *)&jdev, 0, f->metadata->size);
323 if (ret < 0) {
324
325 printk(KERN_NOTICE "Read device numbers for inode %lu failed\n", (unsigned long)inode->i_ino);
326 goto error;
327 }
328 if (f->metadata->size == sizeof(jdev.old))
329 rdev = old_decode_dev(je16_to_cpu(jdev.old));
330 else
331 rdev = new_decode_dev(je32_to_cpu(jdev.new));
332
333 case S_IFSOCK:
334 case S_IFIFO:
335 inode->i_op = &jffs2_file_inode_operations;
336 init_special_inode(inode, inode->i_mode, rdev);
337 break;
338
339 default:
340 printk(KERN_WARNING "jffs2_read_inode(): Bogus imode %o for ino %lu\n", inode->i_mode, (unsigned long)inode->i_ino);
341 }
342
343 mutex_unlock(&f->sem);
344
345 D1(printk(KERN_DEBUG "jffs2_read_inode() returning\n"));
346 unlock_new_inode(inode);
347 return inode;
348
349error_io:
350 ret = -EIO;
351error:
352 mutex_unlock(&f->sem);
353 jffs2_do_clear_inode(c, f);
354 iget_failed(inode);
355 return ERR_PTR(ret);
356}
357
358void jffs2_dirty_inode(struct inode *inode)
359{
360 struct iattr iattr;
361
362 if (!(inode->i_state & I_DIRTY_DATASYNC)) {
363 D2(printk(KERN_DEBUG "jffs2_dirty_inode() not calling setattr() for ino #%lu\n", inode->i_ino));
364 return;
365 }
366
367 D1(printk(KERN_DEBUG "jffs2_dirty_inode() calling setattr() for ino #%lu\n", inode->i_ino));
368
369 iattr.ia_valid = ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_MTIME|ATTR_CTIME;
370 iattr.ia_mode = inode->i_mode;
371 iattr.ia_uid = inode->i_uid;
372 iattr.ia_gid = inode->i_gid;
373 iattr.ia_atime = inode->i_atime;
374 iattr.ia_mtime = inode->i_mtime;
375 iattr.ia_ctime = inode->i_ctime;
376
377 jffs2_do_setattr(inode, &iattr);
378}
379
380int jffs2_remount_fs (struct super_block *sb, int *flags, char *data)
381{
382 struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
383
384 if (c->flags & JFFS2_SB_FLAG_RO && !(sb->s_flags & MS_RDONLY))
385 return -EROFS;
386
387
388
389
390
391 lock_kernel();
392 if (!(sb->s_flags & MS_RDONLY)) {
393 jffs2_stop_garbage_collect_thread(c);
394 mutex_lock(&c->alloc_sem);
395 jffs2_flush_wbuf_pad(c);
396 mutex_unlock(&c->alloc_sem);
397 }
398
399 if (!(*flags & MS_RDONLY))
400 jffs2_start_garbage_collect_thread(c);
401
402 *flags |= MS_NOATIME;
403
404 unlock_kernel();
405 return 0;
406}
407
408
409
410struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri)
411{
412 struct inode *inode;
413 struct super_block *sb = dir_i->i_sb;
414 struct jffs2_sb_info *c;
415 struct jffs2_inode_info *f;
416 int ret;
417
418 D1(printk(KERN_DEBUG "jffs2_new_inode(): dir_i %ld, mode 0x%x\n", dir_i->i_ino, mode));
419
420 c = JFFS2_SB_INFO(sb);
421
422 inode = new_inode(sb);
423
424 if (!inode)
425 return ERR_PTR(-ENOMEM);
426
427 f = JFFS2_INODE_INFO(inode);
428 jffs2_init_inode_info(f);
429 mutex_lock(&f->sem);
430
431 memset(ri, 0, sizeof(*ri));
432
433 ri->uid = cpu_to_je16(current_fsuid());
434
435 if (dir_i->i_mode & S_ISGID) {
436 ri->gid = cpu_to_je16(dir_i->i_gid);
437 if (S_ISDIR(mode))
438 mode |= S_ISGID;
439 } else {
440 ri->gid = cpu_to_je16(current_fsgid());
441 }
442
443
444
445 ret = jffs2_init_acl_pre(dir_i, inode, &mode);
446 if (ret) {
447 make_bad_inode(inode);
448 iput(inode);
449 return ERR_PTR(ret);
450 }
451 ret = jffs2_do_new_inode (c, f, mode, ri);
452 if (ret) {
453 make_bad_inode(inode);
454 iput(inode);
455 return ERR_PTR(ret);
456 }
457 inode->i_nlink = 1;
458 inode->i_ino = je32_to_cpu(ri->ino);
459 inode->i_mode = jemode_to_cpu(ri->mode);
460 inode->i_gid = je16_to_cpu(ri->gid);
461 inode->i_uid = je16_to_cpu(ri->uid);
462 inode->i_atime = inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC;
463 ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode->i_mtime));
464
465 inode->i_blocks = 0;
466 inode->i_size = 0;
467
468 insert_inode_hash(inode);
469
470 return inode;
471}
472
473
474int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
475{
476 struct jffs2_sb_info *c;
477 struct inode *root_i;
478 int ret;
479 size_t blocks;
480
481 c = JFFS2_SB_INFO(sb);
482
483#ifndef CONFIG_JFFS2_FS_WRITEBUFFER
484 if (c->mtd->type == MTD_NANDFLASH) {
485 printk(KERN_ERR "jffs2: Cannot operate on NAND flash unless jffs2 NAND support is compiled in.\n");
486 return -EINVAL;
487 }
488 if (c->mtd->type == MTD_DATAFLASH) {
489 printk(KERN_ERR "jffs2: Cannot operate on DataFlash unless jffs2 DataFlash support is compiled in.\n");
490 return -EINVAL;
491 }
492#endif
493
494 c->flash_size = c->mtd->size;
495 c->sector_size = c->mtd->erasesize;
496 blocks = c->flash_size / c->sector_size;
497
498
499
500
501 if ((c->sector_size * blocks) != c->flash_size) {
502 c->flash_size = c->sector_size * blocks;
503 printk(KERN_INFO "jffs2: Flash size not aligned to erasesize, reducing to %dKiB\n",
504 c->flash_size / 1024);
505 }
506
507 if (c->flash_size < 5*c->sector_size) {
508 printk(KERN_ERR "jffs2: Too few erase blocks (%d)\n", c->flash_size / c->sector_size);
509 return -EINVAL;
510 }
511
512 c->cleanmarker_size = sizeof(struct jffs2_unknown_node);
513
514
515 ret = jffs2_flash_setup(c);
516 if (ret)
517 return ret;
518
519 c->inocache_list = kcalloc(INOCACHE_HASHSIZE, sizeof(struct jffs2_inode_cache *), GFP_KERNEL);
520 if (!c->inocache_list) {
521 ret = -ENOMEM;
522 goto out_wbuf;
523 }
524
525 jffs2_init_xattr_subsystem(c);
526
527 if ((ret = jffs2_do_mount_fs(c)))
528 goto out_inohash;
529
530 D1(printk(KERN_DEBUG "jffs2_do_fill_super(): Getting root inode\n"));
531 root_i = jffs2_iget(sb, 1);
532 if (IS_ERR(root_i)) {
533 D1(printk(KERN_WARNING "get root inode failed\n"));
534 ret = PTR_ERR(root_i);
535 goto out_root;
536 }
537
538 ret = -ENOMEM;
539
540 D1(printk(KERN_DEBUG "jffs2_do_fill_super(): d_alloc_root()\n"));
541 sb->s_root = d_alloc_root(root_i);
542 if (!sb->s_root)
543 goto out_root_i;
544
545 sb->s_maxbytes = 0xFFFFFFFF;
546 sb->s_blocksize = PAGE_CACHE_SIZE;
547 sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
548 sb->s_magic = JFFS2_SUPER_MAGIC;
549 if (!(sb->s_flags & MS_RDONLY))
550 jffs2_start_garbage_collect_thread(c);
551 return 0;
552
553 out_root_i:
554 iput(root_i);
555out_root:
556 jffs2_free_ino_caches(c);
557 jffs2_free_raw_node_refs(c);
558 if (jffs2_blocks_use_vmalloc(c))
559 vfree(c->blocks);
560 else
561 kfree(c->blocks);
562 out_inohash:
563 jffs2_clear_xattr_subsystem(c);
564 kfree(c->inocache_list);
565 out_wbuf:
566 jffs2_flash_cleanup(c);
567
568 return ret;
569}
570
571void jffs2_gc_release_inode(struct jffs2_sb_info *c,
572 struct jffs2_inode_info *f)
573{
574 iput(OFNI_EDONI_2SFFJ(f));
575}
576
577struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c,
578 int inum, int unlinked)
579{
580 struct inode *inode;
581 struct jffs2_inode_cache *ic;
582
583 if (unlinked) {
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598 inode = ilookup(OFNI_BS_2SFFJ(c), inum);
599 if (!inode) {
600 D1(printk(KERN_DEBUG "ilookup() failed for ino #%u; inode is probably deleted.\n",
601 inum));
602
603 spin_lock(&c->inocache_lock);
604 ic = jffs2_get_ino_cache(c, inum);
605 if (!ic) {
606 D1(printk(KERN_DEBUG "Inode cache for ino #%u is gone.\n", inum));
607 spin_unlock(&c->inocache_lock);
608 return NULL;
609 }
610 if (ic->state != INO_STATE_CHECKEDABSENT) {
611
612 D1(printk(KERN_DEBUG "Waiting for ino #%u in state %d\n",
613 ic->ino, ic->state));
614 sleep_on_spinunlock(&c->inocache_wq, &c->inocache_lock);
615 } else {
616 spin_unlock(&c->inocache_lock);
617 }
618
619 return NULL;
620 }
621 } else {
622
623
624
625
626 inode = jffs2_iget(OFNI_BS_2SFFJ(c), inum);
627 if (IS_ERR(inode))
628 return ERR_CAST(inode);
629 }
630 if (is_bad_inode(inode)) {
631 printk(KERN_NOTICE "Eep. read_inode() failed for ino #%u. unlinked %d\n",
632 inum, unlinked);
633
634 iput(inode);
635 return ERR_PTR(-EIO);
636 }
637
638 return JFFS2_INODE_INFO(inode);
639}
640
641unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,
642 struct jffs2_inode_info *f,
643 unsigned long offset,
644 unsigned long *priv)
645{
646 struct inode *inode = OFNI_EDONI_2SFFJ(f);
647 struct page *pg;
648
649 pg = read_cache_page_async(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
650 (void *)jffs2_do_readpage_unlock, inode);
651 if (IS_ERR(pg))
652 return (void *)pg;
653
654 *priv = (unsigned long)pg;
655 return kmap(pg);
656}
657
658void jffs2_gc_release_page(struct jffs2_sb_info *c,
659 unsigned char *ptr,
660 unsigned long *priv)
661{
662 struct page *pg = (void *)*priv;
663
664 kunmap(pg);
665 page_cache_release(pg);
666}
667
668static int jffs2_flash_setup(struct jffs2_sb_info *c) {
669 int ret = 0;
670
671 if (jffs2_cleanmarker_oob(c)) {
672
673 ret = jffs2_nand_flash_setup(c);
674 if (ret)
675 return ret;
676 }
677
678
679 if (jffs2_dataflash(c)) {
680 ret = jffs2_dataflash_setup(c);
681 if (ret)
682 return ret;
683 }
684
685
686 if (jffs2_nor_wbuf_flash(c)) {
687 ret = jffs2_nor_wbuf_flash_setup(c);
688 if (ret)
689 return ret;
690 }
691
692
693 if (jffs2_ubivol(c)) {
694 ret = jffs2_ubivol_setup(c);
695 if (ret)
696 return ret;
697 }
698
699 return ret;
700}
701
702void jffs2_flash_cleanup(struct jffs2_sb_info *c) {
703
704 if (jffs2_cleanmarker_oob(c)) {
705 jffs2_nand_flash_cleanup(c);
706 }
707
708
709 if (jffs2_dataflash(c)) {
710 jffs2_dataflash_cleanup(c);
711 }
712
713
714 if (jffs2_nor_wbuf_flash(c)) {
715 jffs2_nor_wbuf_flash_cleanup(c);
716 }
717
718
719 if (jffs2_ubivol(c)) {
720 jffs2_ubivol_cleanup(c);
721 }
722}
723