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authorCyrill Gorcunov <gorcunov@gmail.com>2007-07-19 04:47:43 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 13:04:43 -0400
commitcb00ea3528eb3c09eae9871d6e7d038776e952e2 (patch)
treeb87eae0b060f37bedf01b52ccad6034d1df4f376 /fs/udf/super.c
parent95a631e2d9853c9138e14fbaa9a51e6451f040b4 (diff)
UDF: coding style conversion - lindent
This patch converts UDF coding style to kernel coding style using Lindent. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Jan Kara <jack@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/super.c')
-rw-r--r--fs/udf/super.c1625
1 files changed, 875 insertions, 750 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index d6a504f5d758..911387aa1810 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -38,7 +38,7 @@
38 * 12/20/98 find the free space bitmap (if it exists) 38 * 12/20/98 find the free space bitmap (if it exists)
39 */ 39 */
40 40
41#include "udfdecl.h" 41#include "udfdecl.h"
42 42
43#include <linux/blkdev.h> 43#include <linux/blkdev.h>
44#include <linux/slab.h> 44#include <linux/slab.h>
@@ -80,12 +80,15 @@ static int udf_remount_fs(struct super_block *, int *, char *);
80static int udf_check_valid(struct super_block *, int, int); 80static int udf_check_valid(struct super_block *, int, int);
81static int udf_vrs(struct super_block *sb, int silent); 81static int udf_vrs(struct super_block *sb, int silent);
82static int udf_load_partition(struct super_block *, kernel_lb_addr *); 82static int udf_load_partition(struct super_block *, kernel_lb_addr *);
83static int udf_load_logicalvol(struct super_block *, struct buffer_head *, kernel_lb_addr *); 83static int udf_load_logicalvol(struct super_block *, struct buffer_head *,
84 kernel_lb_addr *);
84static void udf_load_logicalvolint(struct super_block *, kernel_extent_ad); 85static void udf_load_logicalvolint(struct super_block *, kernel_extent_ad);
85static void udf_find_anchor(struct super_block *); 86static void udf_find_anchor(struct super_block *);
86static int udf_find_fileset(struct super_block *, kernel_lb_addr *, kernel_lb_addr *); 87static int udf_find_fileset(struct super_block *, kernel_lb_addr *,
88 kernel_lb_addr *);
87static void udf_load_pvoldesc(struct super_block *, struct buffer_head *); 89static void udf_load_pvoldesc(struct super_block *, struct buffer_head *);
88static void udf_load_fileset(struct super_block *, struct buffer_head *, kernel_lb_addr *); 90static void udf_load_fileset(struct super_block *, struct buffer_head *,
91 kernel_lb_addr *);
89static void udf_load_partdesc(struct super_block *, struct buffer_head *); 92static void udf_load_partdesc(struct super_block *, struct buffer_head *);
90static void udf_open_lvid(struct super_block *); 93static void udf_open_lvid(struct super_block *);
91static void udf_close_lvid(struct super_block *); 94static void udf_close_lvid(struct super_block *);
@@ -94,25 +97,27 @@ static int udf_statfs(struct dentry *, struct kstatfs *);
94 97
95/* UDF filesystem type */ 98/* UDF filesystem type */
96static int udf_get_sb(struct file_system_type *fs_type, 99static int udf_get_sb(struct file_system_type *fs_type,
97 int flags, const char *dev_name, void *data, struct vfsmount *mnt) 100 int flags, const char *dev_name, void *data,
101 struct vfsmount *mnt)
98{ 102{
99 return get_sb_bdev(fs_type, flags, dev_name, data, udf_fill_super, mnt); 103 return get_sb_bdev(fs_type, flags, dev_name, data, udf_fill_super, mnt);
100} 104}
101 105
102static struct file_system_type udf_fstype = { 106static struct file_system_type udf_fstype = {
103 .owner = THIS_MODULE, 107 .owner = THIS_MODULE,
104 .name = "udf", 108 .name = "udf",
105 .get_sb = udf_get_sb, 109 .get_sb = udf_get_sb,
106 .kill_sb = kill_block_super, 110 .kill_sb = kill_block_super,
107 .fs_flags = FS_REQUIRES_DEV, 111 .fs_flags = FS_REQUIRES_DEV,
108}; 112};
109 113
110static struct kmem_cache * udf_inode_cachep; 114static struct kmem_cache *udf_inode_cachep;
111 115
112static struct inode *udf_alloc_inode(struct super_block *sb) 116static struct inode *udf_alloc_inode(struct super_block *sb)
113{ 117{
114 struct udf_inode_info *ei; 118 struct udf_inode_info *ei;
115 ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL); 119 ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep,
120 GFP_KERNEL);
116 if (!ei) 121 if (!ei)
117 return NULL; 122 return NULL;
118 123
@@ -130,9 +135,9 @@ static void udf_destroy_inode(struct inode *inode)
130 kmem_cache_free(udf_inode_cachep, UDF_I(inode)); 135 kmem_cache_free(udf_inode_cachep, UDF_I(inode));
131} 136}
132 137
133static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) 138static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
134{ 139{
135 struct udf_inode_info *ei = (struct udf_inode_info *) foo; 140 struct udf_inode_info *ei = (struct udf_inode_info *)foo;
136 141
137 ei->i_ext.i_data = NULL; 142 ei->i_ext.i_data = NULL;
138 inode_init_once(&ei->vfs_inode); 143 inode_init_once(&ei->vfs_inode);
@@ -142,8 +147,8 @@ static int init_inodecache(void)
142{ 147{
143 udf_inode_cachep = kmem_cache_create("udf_inode_cache", 148 udf_inode_cachep = kmem_cache_create("udf_inode_cache",
144 sizeof(struct udf_inode_info), 149 sizeof(struct udf_inode_info),
145 0, (SLAB_RECLAIM_ACCOUNT| 150 0, (SLAB_RECLAIM_ACCOUNT |
146 SLAB_MEM_SPREAD), 151 SLAB_MEM_SPREAD),
147 init_once, NULL); 152 init_once, NULL);
148 if (udf_inode_cachep == NULL) 153 if (udf_inode_cachep == NULL)
149 return -ENOMEM; 154 return -ENOMEM;
@@ -157,19 +162,18 @@ static void destroy_inodecache(void)
157 162
158/* Superblock operations */ 163/* Superblock operations */
159static const struct super_operations udf_sb_ops = { 164static const struct super_operations udf_sb_ops = {
160 .alloc_inode = udf_alloc_inode, 165 .alloc_inode = udf_alloc_inode,
161 .destroy_inode = udf_destroy_inode, 166 .destroy_inode = udf_destroy_inode,
162 .write_inode = udf_write_inode, 167 .write_inode = udf_write_inode,
163 .delete_inode = udf_delete_inode, 168 .delete_inode = udf_delete_inode,
164 .clear_inode = udf_clear_inode, 169 .clear_inode = udf_clear_inode,
165 .put_super = udf_put_super, 170 .put_super = udf_put_super,
166 .write_super = udf_write_super, 171 .write_super = udf_write_super,
167 .statfs = udf_statfs, 172 .statfs = udf_statfs,
168 .remount_fs = udf_remount_fs, 173 .remount_fs = udf_remount_fs,
169}; 174};
170 175
171struct udf_options 176struct udf_options {
172{
173 unsigned char novrs; 177 unsigned char novrs;
174 unsigned int blocksize; 178 unsigned int blocksize;
175 unsigned int session; 179 unsigned int session;
@@ -196,9 +200,9 @@ static int __init init_udf_fs(void)
196 if (err) 200 if (err)
197 goto out; 201 goto out;
198 return 0; 202 return 0;
199out: 203 out:
200 destroy_inodecache(); 204 destroy_inodecache();
201out1: 205 out1:
202 return err; 206 return err;
203} 207}
204 208
@@ -209,7 +213,7 @@ static void __exit exit_udf_fs(void)
209} 213}
210 214
211module_init(init_udf_fs) 215module_init(init_udf_fs)
212module_exit(exit_udf_fs) 216 module_exit(exit_udf_fs)
213 217
214/* 218/*
215 * udf_parse_options 219 * udf_parse_options
@@ -264,7 +268,6 @@ module_exit(exit_udf_fs)
264 * July 1, 1997 - Andrew E. Mileski 268 * July 1, 1997 - Andrew E. Mileski
265 * Written, tested, and released. 269 * Written, tested, and released.
266 */ 270 */
267
268enum { 271enum {
269 Opt_novrs, Opt_nostrict, Opt_bs, Opt_unhide, Opt_undelete, 272 Opt_novrs, Opt_nostrict, Opt_bs, Opt_unhide, Opt_undelete,
270 Opt_noadinicb, Opt_adinicb, Opt_shortad, Opt_longad, 273 Opt_noadinicb, Opt_adinicb, Opt_shortad, Opt_longad,
@@ -303,8 +306,7 @@ static match_table_t tokens = {
303 {Opt_err, NULL} 306 {Opt_err, NULL}
304}; 307};
305 308
306static int 309static int udf_parse_options(char *options, struct udf_options *uopt)
307udf_parse_options(char *options, struct udf_options *uopt)
308{ 310{
309 char *p; 311 char *p;
310 int option; 312 int option;
@@ -323,126 +325,123 @@ udf_parse_options(char *options, struct udf_options *uopt)
323 if (!options) 325 if (!options)
324 return 1; 326 return 1;
325 327
326 while ((p = strsep(&options, ",")) != NULL) 328 while ((p = strsep(&options, ",")) != NULL) {
327 {
328 substring_t args[MAX_OPT_ARGS]; 329 substring_t args[MAX_OPT_ARGS];
329 int token; 330 int token;
330 if (!*p) 331 if (!*p)
331 continue; 332 continue;
332 333
333 token = match_token(p, tokens, args); 334 token = match_token(p, tokens, args);
334 switch (token) 335 switch (token) {
335 { 336 case Opt_novrs:
336 case Opt_novrs: 337 uopt->novrs = 1;
337 uopt->novrs = 1; 338 case Opt_bs:
338 case Opt_bs: 339 if (match_int(&args[0], &option))
339 if (match_int(&args[0], &option)) 340 return 0;
340 return 0; 341 uopt->blocksize = option;
341 uopt->blocksize = option; 342 break;
342 break; 343 case Opt_unhide:
343 case Opt_unhide: 344 uopt->flags |= (1 << UDF_FLAG_UNHIDE);
344 uopt->flags |= (1 << UDF_FLAG_UNHIDE); 345 break;
345 break; 346 case Opt_undelete:
346 case Opt_undelete: 347 uopt->flags |= (1 << UDF_FLAG_UNDELETE);
347 uopt->flags |= (1 << UDF_FLAG_UNDELETE); 348 break;
348 break; 349 case Opt_noadinicb:
349 case Opt_noadinicb: 350 uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB);
350 uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB); 351 break;
351 break; 352 case Opt_adinicb:
352 case Opt_adinicb: 353 uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB);
353 uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB); 354 break;
354 break; 355 case Opt_shortad:
355 case Opt_shortad: 356 uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD);
356 uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD); 357 break;
357 break; 358 case Opt_longad:
358 case Opt_longad: 359 uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD);
359 uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD); 360 break;
360 break; 361 case Opt_gid:
361 case Opt_gid: 362 if (match_int(args, &option))
362 if (match_int(args, &option)) 363 return 0;
363 return 0; 364 uopt->gid = option;
364 uopt->gid = option; 365 break;
365 break; 366 case Opt_uid:
366 case Opt_uid: 367 if (match_int(args, &option))
367 if (match_int(args, &option)) 368 return 0;
368 return 0; 369 uopt->uid = option;
369 uopt->uid = option; 370 break;
370 break; 371 case Opt_umask:
371 case Opt_umask: 372 if (match_octal(args, &option))
372 if (match_octal(args, &option)) 373 return 0;
373 return 0; 374 uopt->umask = option;
374 uopt->umask = option; 375 break;
375 break; 376 case Opt_nostrict:
376 case Opt_nostrict: 377 uopt->flags &= ~(1 << UDF_FLAG_STRICT);
377 uopt->flags &= ~(1 << UDF_FLAG_STRICT); 378 break;
378 break; 379 case Opt_session:
379 case Opt_session: 380 if (match_int(args, &option))
380 if (match_int(args, &option)) 381 return 0;
381 return 0; 382 uopt->session = option;
382 uopt->session = option; 383 break;
383 break; 384 case Opt_lastblock:
384 case Opt_lastblock: 385 if (match_int(args, &option))
385 if (match_int(args, &option)) 386 return 0;
386 return 0; 387 uopt->lastblock = option;
387 uopt->lastblock = option; 388 break;
388 break; 389 case Opt_anchor:
389 case Opt_anchor: 390 if (match_int(args, &option))
390 if (match_int(args, &option)) 391 return 0;
391 return 0; 392 uopt->anchor = option;
392 uopt->anchor = option; 393 break;
393 break; 394 case Opt_volume:
394 case Opt_volume: 395 if (match_int(args, &option))
395 if (match_int(args, &option)) 396 return 0;
396 return 0; 397 uopt->volume = option;
397 uopt->volume = option; 398 break;
398 break; 399 case Opt_partition:
399 case Opt_partition: 400 if (match_int(args, &option))
400 if (match_int(args, &option)) 401 return 0;
401 return 0; 402 uopt->partition = option;
402 uopt->partition = option; 403 break;
403 break; 404 case Opt_fileset:
404 case Opt_fileset: 405 if (match_int(args, &option))
405 if (match_int(args, &option)) 406 return 0;
406 return 0; 407 uopt->fileset = option;
407 uopt->fileset = option; 408 break;
408 break; 409 case Opt_rootdir:
409 case Opt_rootdir: 410 if (match_int(args, &option))
410 if (match_int(args, &option)) 411 return 0;
411 return 0; 412 uopt->rootdir = option;
412 uopt->rootdir = option; 413 break;
413 break; 414 case Opt_utf8:
414 case Opt_utf8: 415 uopt->flags |= (1 << UDF_FLAG_UTF8);
415 uopt->flags |= (1 << UDF_FLAG_UTF8); 416 break;
416 break;
417#ifdef CONFIG_UDF_NLS 417#ifdef CONFIG_UDF_NLS
418 case Opt_iocharset: 418 case Opt_iocharset:
419 uopt->nls_map = load_nls(args[0].from); 419 uopt->nls_map = load_nls(args[0].from);
420 uopt->flags |= (1 << UDF_FLAG_NLS_MAP); 420 uopt->flags |= (1 << UDF_FLAG_NLS_MAP);
421 break; 421 break;
422#endif 422#endif
423 case Opt_uignore: 423 case Opt_uignore:
424 uopt->flags |= (1 << UDF_FLAG_UID_IGNORE); 424 uopt->flags |= (1 << UDF_FLAG_UID_IGNORE);
425 break; 425 break;
426 case Opt_uforget: 426 case Opt_uforget:
427 uopt->flags |= (1 << UDF_FLAG_UID_FORGET); 427 uopt->flags |= (1 << UDF_FLAG_UID_FORGET);
428 break; 428 break;
429 case Opt_gignore: 429 case Opt_gignore:
430 uopt->flags |= (1 << UDF_FLAG_GID_IGNORE); 430 uopt->flags |= (1 << UDF_FLAG_GID_IGNORE);
431 break; 431 break;
432 case Opt_gforget: 432 case Opt_gforget:
433 uopt->flags |= (1 << UDF_FLAG_GID_FORGET); 433 uopt->flags |= (1 << UDF_FLAG_GID_FORGET);
434 break; 434 break;
435 default: 435 default:
436 printk(KERN_ERR "udf: bad mount option \"%s\" " 436 printk(KERN_ERR "udf: bad mount option \"%s\" "
437 "or missing value\n", p); 437 "or missing value\n", p);
438 return 0; 438 return 0;
439 } 439 }
440 } 440 }
441 return 1; 441 return 1;
442} 442}
443 443
444void 444void udf_write_super(struct super_block *sb)
445udf_write_super(struct super_block *sb)
446{ 445{
447 lock_kernel(); 446 lock_kernel();
448 if (!(sb->s_flags & MS_RDONLY)) 447 if (!(sb->s_flags & MS_RDONLY))
@@ -451,22 +450,21 @@ udf_write_super(struct super_block *sb)
451 unlock_kernel(); 450 unlock_kernel();
452} 451}
453 452
454static int 453static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
455udf_remount_fs(struct super_block *sb, int *flags, char *options)
456{ 454{
457 struct udf_options uopt; 455 struct udf_options uopt;
458 456
459 uopt.flags = UDF_SB(sb)->s_flags ; 457 uopt.flags = UDF_SB(sb)->s_flags;
460 uopt.uid = UDF_SB(sb)->s_uid ; 458 uopt.uid = UDF_SB(sb)->s_uid;
461 uopt.gid = UDF_SB(sb)->s_gid ; 459 uopt.gid = UDF_SB(sb)->s_gid;
462 uopt.umask = UDF_SB(sb)->s_umask ; 460 uopt.umask = UDF_SB(sb)->s_umask;
463 461
464 if ( !udf_parse_options(options, &uopt) ) 462 if (!udf_parse_options(options, &uopt))
465 return -EINVAL; 463 return -EINVAL;
466 464
467 UDF_SB(sb)->s_flags = uopt.flags; 465 UDF_SB(sb)->s_flags = uopt.flags;
468 UDF_SB(sb)->s_uid = uopt.uid; 466 UDF_SB(sb)->s_uid = uopt.uid;
469 UDF_SB(sb)->s_gid = uopt.gid; 467 UDF_SB(sb)->s_gid = uopt.gid;
470 UDF_SB(sb)->s_umask = uopt.umask; 468 UDF_SB(sb)->s_umask = uopt.umask;
471 469
472 if (UDF_SB_LVIDBH(sb)) { 470 if (UDF_SB_LVIDBH(sb)) {
@@ -512,8 +510,7 @@ udf_remount_fs(struct super_block *sb, int *flags, char *options)
512 * July 1, 1997 - Andrew E. Mileski 510 * July 1, 1997 - Andrew E. Mileski
513 * Written, tested, and released. 511 * Written, tested, and released.
514 */ 512 */
515static int 513static int udf_set_blocksize(struct super_block *sb, int bsize)
516udf_set_blocksize(struct super_block *sb, int bsize)
517{ 514{
518 if (!sb_min_blocksize(sb, bsize)) { 515 if (!sb_min_blocksize(sb, bsize)) {
519 udf_debug("Bad block size (%d)\n", bsize); 516 udf_debug("Bad block size (%d)\n", bsize);
@@ -523,16 +520,15 @@ udf_set_blocksize(struct super_block *sb, int bsize)
523 return sb->s_blocksize; 520 return sb->s_blocksize;
524} 521}
525 522
526static int 523static int udf_vrs(struct super_block *sb, int silent)
527udf_vrs(struct super_block *sb, int silent)
528{ 524{
529 struct volStructDesc *vsd = NULL; 525 struct volStructDesc *vsd = NULL;
530 int sector = 32768; 526 int sector = 32768;
531 int sectorsize; 527 int sectorsize;
532 struct buffer_head *bh = NULL; 528 struct buffer_head *bh = NULL;
533 int iso9660=0; 529 int iso9660 = 0;
534 int nsr02=0; 530 int nsr02 = 0;
535 int nsr03=0; 531 int nsr03 = 0;
536 532
537 /* Block size must be a multiple of 512 */ 533 /* Block size must be a multiple of 512 */
538 if (sb->s_blocksize & 511) 534 if (sb->s_blocksize & 511)
@@ -546,10 +542,9 @@ udf_vrs(struct super_block *sb, int silent)
546 sector += (UDF_SB_SESSION(sb) << sb->s_blocksize_bits); 542 sector += (UDF_SB_SESSION(sb) << sb->s_blocksize_bits);
547 543
548 udf_debug("Starting at sector %u (%ld byte sectors)\n", 544 udf_debug("Starting at sector %u (%ld byte sectors)\n",
549 (sector >> sb->s_blocksize_bits), sb->s_blocksize); 545 (sector >> sb->s_blocksize_bits), sb->s_blocksize);
550 /* Process the sequence (if applicable) */ 546 /* Process the sequence (if applicable) */
551 for (;!nsr02 && !nsr03; sector += sectorsize) 547 for (; !nsr02 && !nsr03; sector += sectorsize) {
552 {
553 /* Read a block */ 548 /* Read a block */
554 bh = udf_tread(sb, sector >> sb->s_blocksize_bits); 549 bh = udf_tread(sb, sector >> sb->s_blocksize_bits);
555 if (!bh) 550 if (!bh)
@@ -557,52 +552,56 @@ udf_vrs(struct super_block *sb, int silent)
557 552
558 /* Look for ISO descriptors */ 553 /* Look for ISO descriptors */
559 vsd = (struct volStructDesc *)(bh->b_data + 554 vsd = (struct volStructDesc *)(bh->b_data +
560 (sector & (sb->s_blocksize - 1))); 555 (sector &
556 (sb->s_blocksize - 1)));
561 557
562 if (vsd->stdIdent[0] == 0) 558 if (vsd->stdIdent[0] == 0) {
563 {
564 brelse(bh); 559 brelse(bh);
565 break; 560 break;
566 } 561 } else
567 else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) 562 if (!strncmp
568 { 563 (vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) {
569 iso9660 = sector; 564 iso9660 = sector;
570 switch (vsd->structType) 565 switch (vsd->structType) {
571 { 566 case 0:
572 case 0: 567 udf_debug("ISO9660 Boot Record found\n");
573 udf_debug("ISO9660 Boot Record found\n"); 568 break;
574 break; 569 case 1:
575 case 1: 570 udf_debug
576 udf_debug("ISO9660 Primary Volume Descriptor found\n"); 571 ("ISO9660 Primary Volume Descriptor found\n");
577 break; 572 break;
578 case 2: 573 case 2:
579 udf_debug("ISO9660 Supplementary Volume Descriptor found\n"); 574 udf_debug
580 break; 575 ("ISO9660 Supplementary Volume Descriptor found\n");
581 case 3: 576 break;
582 udf_debug("ISO9660 Volume Partition Descriptor found\n"); 577 case 3:
583 break; 578 udf_debug
584 case 255: 579 ("ISO9660 Volume Partition Descriptor found\n");
585 udf_debug("ISO9660 Volume Descriptor Set Terminator found\n"); 580 break;
586 break; 581 case 255:
587 default: 582 udf_debug
588 udf_debug("ISO9660 VRS (%u) found\n", vsd->structType); 583 ("ISO9660 Volume Descriptor Set Terminator found\n");
589 break; 584 break;
585 default:
586 udf_debug("ISO9660 VRS (%u) found\n",
587 vsd->structType);
588 break;
590 } 589 }
591 } 590 } else
592 else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) 591 if (!strncmp
593 { 592 (vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) {
594 } 593 } else
595 else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) 594 if (!strncmp
596 { 595 (vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) {
597 brelse(bh); 596 brelse(bh);
598 break; 597 break;
599 } 598 } else
600 else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) 599 if (!strncmp
601 { 600 (vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) {
602 nsr02 = sector; 601 nsr02 = sector;
603 } 602 } else
604 else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) 603 if (!strncmp
605 { 604 (vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) {
606 nsr03 = sector; 605 nsr03 = sector;
607 } 606 }
608 brelse(bh); 607 brelse(bh);
@@ -635,8 +634,7 @@ udf_vrs(struct super_block *sb, int silent)
635 * July 1, 1997 - Andrew E. Mileski 634 * July 1, 1997 - Andrew E. Mileski
636 * Written, tested, and released. 635 * Written, tested, and released.
637 */ 636 */
638static void 637static void udf_find_anchor(struct super_block *sb)
639udf_find_anchor(struct super_block *sb)
640{ 638{
641 int lastblock = UDF_SB_LASTBLOCK(sb); 639 int lastblock = UDF_SB_LASTBLOCK(sb);
642 struct buffer_head *bh = NULL; 640 struct buffer_head *bh = NULL;
@@ -644,13 +642,13 @@ udf_find_anchor(struct super_block *sb)
644 uint32_t location; 642 uint32_t location;
645 int i; 643 int i;
646 644
647 if (lastblock) 645 if (lastblock) {
648 {
649 int varlastblock = udf_variable_to_fixed(lastblock); 646 int varlastblock = udf_variable_to_fixed(lastblock);
650 int last[] = { lastblock, lastblock - 2, 647 int last[] = { lastblock, lastblock - 2,
651 lastblock - 150, lastblock - 152, 648 lastblock - 150, lastblock - 152,
652 varlastblock, varlastblock - 2, 649 varlastblock, varlastblock - 2,
653 varlastblock - 150, varlastblock - 152 }; 650 varlastblock - 150, varlastblock - 152
651 };
654 652
655 lastblock = 0; 653 lastblock = 0;
656 654
@@ -663,90 +661,103 @@ udf_find_anchor(struct super_block *sb)
663 * however, if the disc isn't closed, it could be 512 */ 661 * however, if the disc isn't closed, it could be 512 */
664 662
665 for (i = 0; !lastblock && i < ARRAY_SIZE(last); i++) { 663 for (i = 0; !lastblock && i < ARRAY_SIZE(last); i++) {
666 if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) 664 if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) {
667 {
668 ident = location = 0; 665 ident = location = 0;
669 } 666 } else {
670 else 667 ident =
671 { 668 le16_to_cpu(((tag *) bh->b_data)->tagIdent);
672 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); 669 location =
673 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); 670 le32_to_cpu(((tag *) bh->b_data)->
671 tagLocation);
674 brelse(bh); 672 brelse(bh);
675 } 673 }
676 674
677 if (ident == TAG_IDENT_AVDP) 675 if (ident == TAG_IDENT_AVDP) {
678 { 676 if (location == last[i] - UDF_SB_SESSION(sb)) {
679 if (location == last[i] - UDF_SB_SESSION(sb)) 677 lastblock = UDF_SB_ANCHOR(sb)[0] =
680 { 678 last[i] - UDF_SB_SESSION(sb);
681 lastblock = UDF_SB_ANCHOR(sb)[0] = last[i] - UDF_SB_SESSION(sb); 679 UDF_SB_ANCHOR(sb)[1] =
682 UDF_SB_ANCHOR(sb)[1] = last[i] - 256 - UDF_SB_SESSION(sb); 680 last[i] - 256 - UDF_SB_SESSION(sb);
683 } 681 } else if (location ==
684 else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb)) 682 udf_variable_to_fixed(last[i]) -
685 { 683 UDF_SB_SESSION(sb)) {
686 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); 684 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
687 lastblock = UDF_SB_ANCHOR(sb)[0] = udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb); 685 lastblock = UDF_SB_ANCHOR(sb)[0] =
688 UDF_SB_ANCHOR(sb)[1] = lastblock - 256 - UDF_SB_SESSION(sb); 686 udf_variable_to_fixed(last[i]) -
689 } 687 UDF_SB_SESSION(sb);
690 else 688 UDF_SB_ANCHOR(sb)[1] =
691 udf_debug("Anchor found at block %d, location mismatch %d.\n", 689 lastblock - 256 -
692 last[i], location); 690 UDF_SB_SESSION(sb);
693 } 691 } else
694 else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) 692 udf_debug
695 { 693 ("Anchor found at block %d, location mismatch %d.\n",
694 last[i], location);
695 } else if (ident == TAG_IDENT_FE
696 || ident == TAG_IDENT_EFE) {
696 lastblock = last[i]; 697 lastblock = last[i];
697 UDF_SB_ANCHOR(sb)[3] = 512; 698 UDF_SB_ANCHOR(sb)[3] = 512;
698 } 699 } else {
699 else 700 if (last[i] < 256
700 { 701 || !(bh = sb_bread(sb, last[i] - 256))) {
701 if (last[i] < 256 || !(bh = sb_bread(sb, last[i] - 256)))
702 {
703 ident = location = 0; 702 ident = location = 0;
704 } 703 } else {
705 else 704 ident =
706 { 705 le16_to_cpu(((tag *) bh->b_data)->
707 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); 706 tagIdent);
708 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); 707 location =
708 le32_to_cpu(((tag *) bh->b_data)->
709 tagLocation);
709 brelse(bh); 710 brelse(bh);
710 } 711 }
711 712
712 if (ident == TAG_IDENT_AVDP && 713 if (ident == TAG_IDENT_AVDP &&
713 location == last[i] - 256 - UDF_SB_SESSION(sb)) 714 location ==
714 { 715 last[i] - 256 - UDF_SB_SESSION(sb)) {
715 lastblock = last[i]; 716 lastblock = last[i];
716 UDF_SB_ANCHOR(sb)[1] = last[i] - 256; 717 UDF_SB_ANCHOR(sb)[1] = last[i] - 256;
717 } 718 } else {
718 else 719 if (last[i] < 312 + UDF_SB_SESSION(sb)
719 { 720 || !(bh =
720 if (last[i] < 312 + UDF_SB_SESSION(sb) || !(bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb)))) 721 sb_bread(sb,
722 last[i] - 312 -
723 UDF_SB_SESSION(sb))))
721 { 724 {
722 ident = location = 0; 725 ident = location = 0;
723 } 726 } else {
724 else 727 ident =
725 { 728 le16_to_cpu(((tag *) bh->
726 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); 729 b_data)->
727 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); 730 tagIdent);
731 location =
732 le32_to_cpu(((tag *) bh->
733 b_data)->
734 tagLocation);
728 brelse(bh); 735 brelse(bh);
729 } 736 }
730 737
731 if (ident == TAG_IDENT_AVDP && 738 if (ident == TAG_IDENT_AVDP &&
732 location == udf_variable_to_fixed(last[i]) - 256) 739 location ==
733 { 740 udf_variable_to_fixed(last[i]) -
734 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); 741 256) {
735 lastblock = udf_variable_to_fixed(last[i]); 742 UDF_SET_FLAG(sb,
736 UDF_SB_ANCHOR(sb)[1] = lastblock - 256; 743 UDF_FLAG_VARCONV);
744 lastblock =
745 udf_variable_to_fixed(last
746 [i]);
747 UDF_SB_ANCHOR(sb)[1] =
748 lastblock - 256;
737 } 749 }
738 } 750 }
739 } 751 }
740 } 752 }
741 } 753 }
742 754
743 if (!lastblock) 755 if (!lastblock) {
744 {
745 /* We havn't found the lastblock. check 312 */ 756 /* We havn't found the lastblock. check 312 */
746 if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) 757 if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) {
747 { 758 ident = le16_to_cpu(((tag *) bh->b_data)->tagIdent);
748 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); 759 location =
749 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); 760 le32_to_cpu(((tag *) bh->b_data)->tagLocation);
750 brelse(bh); 761 brelse(bh);
751 762
752 if (ident == TAG_IDENT_AVDP && location == 256) 763 if (ident == TAG_IDENT_AVDP && location == 256)
@@ -755,18 +766,19 @@ udf_find_anchor(struct super_block *sb)
755 } 766 }
756 767
757 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { 768 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
758 if (UDF_SB_ANCHOR(sb)[i]) 769 if (UDF_SB_ANCHOR(sb)[i]) {
759 {
760 if (!(bh = udf_read_tagged(sb, 770 if (!(bh = udf_read_tagged(sb,
761 UDF_SB_ANCHOR(sb)[i], UDF_SB_ANCHOR(sb)[i], &ident))) 771 UDF_SB_ANCHOR(sb)[i],
762 { 772 UDF_SB_ANCHOR(sb)[i],
773 &ident))) {
763 UDF_SB_ANCHOR(sb)[i] = 0; 774 UDF_SB_ANCHOR(sb)[i] = 0;
764 } 775 } else {
765 else
766 {
767 brelse(bh); 776 brelse(bh);
768 if ((ident != TAG_IDENT_AVDP) && (i || 777 if ((ident != TAG_IDENT_AVDP) && (i ||
769 (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) 778 (ident !=
779 TAG_IDENT_FE
780 && ident !=
781 TAG_IDENT_EFE)))
770 { 782 {
771 UDF_SB_ANCHOR(sb)[i] = 0; 783 UDF_SB_ANCHOR(sb)[i] = 0;
772 } 784 }
@@ -777,72 +789,75 @@ udf_find_anchor(struct super_block *sb)
777 UDF_SB_LASTBLOCK(sb) = lastblock; 789 UDF_SB_LASTBLOCK(sb) = lastblock;
778} 790}
779 791
780static int 792static int
781udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr *root) 793udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
794 kernel_lb_addr * root)
782{ 795{
783 struct buffer_head *bh = NULL; 796 struct buffer_head *bh = NULL;
784 long lastblock; 797 long lastblock;
785 uint16_t ident; 798 uint16_t ident;
786 799
787 if (fileset->logicalBlockNum != 0xFFFFFFFF || 800 if (fileset->logicalBlockNum != 0xFFFFFFFF ||
788 fileset->partitionReferenceNum != 0xFFFF) 801 fileset->partitionReferenceNum != 0xFFFF) {
789 {
790 bh = udf_read_ptagged(sb, *fileset, 0, &ident); 802 bh = udf_read_ptagged(sb, *fileset, 0, &ident);
791 803
792 if (!bh) 804 if (!bh)
793 return 1; 805 return 1;
794 else if (ident != TAG_IDENT_FSD) 806 else if (ident != TAG_IDENT_FSD) {
795 {
796 brelse(bh); 807 brelse(bh);
797 return 1; 808 return 1;
798 } 809 }
799 810
800 } 811 }
801 812
802 if (!bh) /* Search backwards through the partitions */ 813 if (!bh) { /* Search backwards through the partitions */
803 {
804 kernel_lb_addr newfileset; 814 kernel_lb_addr newfileset;
805 815
806 return 1; 816 return 1;
807 817
808 for (newfileset.partitionReferenceNum=UDF_SB_NUMPARTS(sb)-1; 818 for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1;
809 (newfileset.partitionReferenceNum != 0xFFFF && 819 (newfileset.partitionReferenceNum != 0xFFFF &&
810 fileset->logicalBlockNum == 0xFFFFFFFF && 820 fileset->logicalBlockNum == 0xFFFFFFFF &&
811 fileset->partitionReferenceNum == 0xFFFF); 821 fileset->partitionReferenceNum == 0xFFFF);
812 newfileset.partitionReferenceNum--) 822 newfileset.partitionReferenceNum--) {
813 { 823 lastblock =
814 lastblock = UDF_SB_PARTLEN(sb, newfileset.partitionReferenceNum); 824 UDF_SB_PARTLEN(sb,
825 newfileset.partitionReferenceNum);
815 newfileset.logicalBlockNum = 0; 826 newfileset.logicalBlockNum = 0;
816 827
817 do 828 do {
818 { 829 bh = udf_read_ptagged(sb, newfileset, 0,
819 bh = udf_read_ptagged(sb, newfileset, 0, &ident); 830 &ident);
820 if (!bh) 831 if (!bh) {
821 { 832 newfileset.logicalBlockNum++;
822 newfileset.logicalBlockNum ++;
823 continue; 833 continue;
824 } 834 }
825 835
826 switch (ident) 836 switch (ident) {
827 { 837 case TAG_IDENT_SBD:
828 case TAG_IDENT_SBD:
829 { 838 {
830 struct spaceBitmapDesc *sp; 839 struct spaceBitmapDesc *sp;
831 sp = (struct spaceBitmapDesc *)bh->b_data; 840 sp = (struct spaceBitmapDesc *)
832 newfileset.logicalBlockNum += 1 + 841 bh->b_data;
833 ((le32_to_cpu(sp->numOfBytes) + sizeof(struct spaceBitmapDesc) - 1) 842 newfileset.logicalBlockNum +=
834 >> sb->s_blocksize_bits); 843 1 +
844 ((le32_to_cpu
845 (sp->numOfBytes) +
846 sizeof(struct
847 spaceBitmapDesc) -
848 1)
849 >> sb->s_blocksize_bits);
835 brelse(bh); 850 brelse(bh);
836 break; 851 break;
837 } 852 }
838 case TAG_IDENT_FSD: 853 case TAG_IDENT_FSD:
839 { 854 {
840 *fileset = newfileset; 855 *fileset = newfileset;
841 break; 856 break;
842 } 857 }
843 default: 858 default:
844 { 859 {
845 newfileset.logicalBlockNum ++; 860 newfileset.logicalBlockNum++;
846 brelse(bh); 861 brelse(bh);
847 bh = NULL; 862 bh = NULL;
848 break; 863 break;
@@ -850,16 +865,16 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr
850 } 865 }
851 } 866 }
852 while (newfileset.logicalBlockNum < lastblock && 867 while (newfileset.logicalBlockNum < lastblock &&
853 fileset->logicalBlockNum == 0xFFFFFFFF && 868 fileset->logicalBlockNum == 0xFFFFFFFF &&
854 fileset->partitionReferenceNum == 0xFFFF); 869 fileset->partitionReferenceNum == 0xFFFF);
855 } 870 }
856 } 871 }
857 872
858 if ((fileset->logicalBlockNum != 0xFFFFFFFF || 873 if ((fileset->logicalBlockNum != 0xFFFFFFFF ||
859 fileset->partitionReferenceNum != 0xFFFF) && bh) 874 fileset->partitionReferenceNum != 0xFFFF) && bh) {
860 {
861 udf_debug("Fileset at block=%d, partition=%d\n", 875 udf_debug("Fileset at block=%d, partition=%d\n",
862 fileset->logicalBlockNum, fileset->partitionReferenceNum); 876 fileset->logicalBlockNum,
877 fileset->partitionReferenceNum);
863 878
864 UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum; 879 UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum;
865 udf_load_fileset(sb, bh, root); 880 udf_load_fileset(sb, bh, root);
@@ -869,8 +884,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr
869 return 1; 884 return 1;
870} 885}
871 886
872static void 887static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
873udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
874{ 888{
875 struct primaryVolDesc *pvoldesc; 889 struct primaryVolDesc *pvoldesc;
876 time_t recording; 890 time_t recording;
@@ -880,37 +894,35 @@ udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
880 894
881 pvoldesc = (struct primaryVolDesc *)bh->b_data; 895 pvoldesc = (struct primaryVolDesc *)bh->b_data;
882 896
883 if ( udf_stamp_to_time(&recording, &recording_usec, 897 if (udf_stamp_to_time(&recording, &recording_usec,
884 lets_to_cpu(pvoldesc->recordingDateAndTime)) ) 898 lets_to_cpu(pvoldesc->recordingDateAndTime))) {
885 {
886 kernel_timestamp ts; 899 kernel_timestamp ts;
887 ts = lets_to_cpu(pvoldesc->recordingDateAndTime); 900 ts = lets_to_cpu(pvoldesc->recordingDateAndTime);
888 udf_debug("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n", 901 udf_debug
889 recording, recording_usec, 902 ("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n",
890 ts.year, ts.month, ts.day, ts.hour, ts.minute, ts.typeAndTimezone); 903 recording, recording_usec, ts.year, ts.month, ts.day,
904 ts.hour, ts.minute, ts.typeAndTimezone);
891 UDF_SB_RECORDTIME(sb).tv_sec = recording; 905 UDF_SB_RECORDTIME(sb).tv_sec = recording;
892 UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000; 906 UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000;
893 } 907 }
894 908
895 if ( !udf_build_ustr(&instr, pvoldesc->volIdent, 32) ) 909 if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32)) {
896 { 910 if (udf_CS0toUTF8(&outstr, &instr)) {
897 if (udf_CS0toUTF8(&outstr, &instr)) 911 strncpy(UDF_SB_VOLIDENT(sb), outstr.u_name,
898 {
899 strncpy( UDF_SB_VOLIDENT(sb), outstr.u_name,
900 outstr.u_len > 31 ? 31 : outstr.u_len); 912 outstr.u_len > 31 ? 31 : outstr.u_len);
901 udf_debug("volIdent[] = '%s'\n", UDF_SB_VOLIDENT(sb)); 913 udf_debug("volIdent[] = '%s'\n", UDF_SB_VOLIDENT(sb));
902 } 914 }
903 } 915 }
904 916
905 if ( !udf_build_ustr(&instr, pvoldesc->volSetIdent, 128) ) 917 if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128)) {
906 {
907 if (udf_CS0toUTF8(&outstr, &instr)) 918 if (udf_CS0toUTF8(&outstr, &instr))
908 udf_debug("volSetIdent[] = '%s'\n", outstr.u_name); 919 udf_debug("volSetIdent[] = '%s'\n", outstr.u_name);
909 } 920 }
910} 921}
911 922
912static void 923static void
913udf_load_fileset(struct super_block *sb, struct buffer_head *bh, kernel_lb_addr *root) 924udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
925 kernel_lb_addr * root)
914{ 926{
915 struct fileSetDesc *fset; 927 struct fileSetDesc *fset;
916 928
@@ -920,109 +932,154 @@ udf_load_fileset(struct super_block *sb, struct buffer_head *bh, kernel_lb_addr
920 932
921 UDF_SB_SERIALNUM(sb) = le16_to_cpu(fset->descTag.tagSerialNum); 933 UDF_SB_SERIALNUM(sb) = le16_to_cpu(fset->descTag.tagSerialNum);
922 934
923 udf_debug("Rootdir at block=%d, partition=%d\n", 935 udf_debug("Rootdir at block=%d, partition=%d\n",
924 root->logicalBlockNum, root->partitionReferenceNum); 936 root->logicalBlockNum, root->partitionReferenceNum);
925} 937}
926 938
927static void 939static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
928udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
929{ 940{
930 struct partitionDesc *p; 941 struct partitionDesc *p;
931 int i; 942 int i;
932 943
933 p = (struct partitionDesc *)bh->b_data; 944 p = (struct partitionDesc *)bh->b_data;
934 945
935 for (i=0; i<UDF_SB_NUMPARTS(sb); i++) 946 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
936 { 947 udf_debug("Searching map: (%d == %d)\n",
937 udf_debug("Searching map: (%d == %d)\n", 948 UDF_SB_PARTMAPS(sb)[i].s_partition_num,
938 UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber)); 949 le16_to_cpu(p->partitionNumber));
939 if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber)) 950 if (UDF_SB_PARTMAPS(sb)[i].s_partition_num ==
940 { 951 le16_to_cpu(p->partitionNumber)) {
941 UDF_SB_PARTLEN(sb,i) = le32_to_cpu(p->partitionLength); /* blocks */ 952 UDF_SB_PARTLEN(sb, i) = le32_to_cpu(p->partitionLength); /* blocks */
942 UDF_SB_PARTROOT(sb,i) = le32_to_cpu(p->partitionStartingLocation); 953 UDF_SB_PARTROOT(sb, i) =
943 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY) 954 le32_to_cpu(p->partitionStartingLocation);
944 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_READ_ONLY; 955 if (le32_to_cpu(p->accessType) ==
945 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE) 956 PD_ACCESS_TYPE_READ_ONLY)
946 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_WRITE_ONCE; 957 UDF_SB_PARTFLAGS(sb, i) |=
947 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE) 958 UDF_PART_FLAG_READ_ONLY;
948 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_REWRITABLE; 959 if (le32_to_cpu(p->accessType) ==
949 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE) 960 PD_ACCESS_TYPE_WRITE_ONCE)
950 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_OVERWRITABLE; 961 UDF_SB_PARTFLAGS(sb, i) |=
951 962 UDF_PART_FLAG_WRITE_ONCE;
952 if (!strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) || 963 if (le32_to_cpu(p->accessType) ==
953 !strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) 964 PD_ACCESS_TYPE_REWRITABLE)
954 { 965 UDF_SB_PARTFLAGS(sb, i) |=
966 UDF_PART_FLAG_REWRITABLE;
967 if (le32_to_cpu(p->accessType) ==
968 PD_ACCESS_TYPE_OVERWRITABLE)
969 UDF_SB_PARTFLAGS(sb, i) |=
970 UDF_PART_FLAG_OVERWRITABLE;
971
972 if (!strcmp
973 (p->partitionContents.ident,
974 PD_PARTITION_CONTENTS_NSR02)
975 || !strcmp(p->partitionContents.ident,
976 PD_PARTITION_CONTENTS_NSR03)) {
955 struct partitionHeaderDesc *phd; 977 struct partitionHeaderDesc *phd;
956 978
957 phd = (struct partitionHeaderDesc *)(p->partitionContentsUse); 979 phd =
958 if (phd->unallocSpaceTable.extLength) 980 (struct partitionHeaderDesc *)(p->
959 { 981 partitionContentsUse);
960 kernel_lb_addr loc = { le32_to_cpu(phd->unallocSpaceTable.extPosition), i }; 982 if (phd->unallocSpaceTable.extLength) {
961 983 kernel_lb_addr loc =
962 UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table = 984 { le32_to_cpu(phd->
963 udf_iget(sb, loc); 985 unallocSpaceTable.
964 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE; 986 extPosition), i };
965 udf_debug("unallocSpaceTable (part %d) @ %ld\n", 987
966 i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino); 988 UDF_SB_PARTMAPS(sb)[i].s_uspace.
989 s_table = udf_iget(sb, loc);
990 UDF_SB_PARTFLAGS(sb, i) |=
991 UDF_PART_FLAG_UNALLOC_TABLE;
992 udf_debug
993 ("unallocSpaceTable (part %d) @ %ld\n",
994 i,
995 UDF_SB_PARTMAPS(sb)[i].s_uspace.
996 s_table->i_ino);
967 } 997 }
968 if (phd->unallocSpaceBitmap.extLength) 998 if (phd->unallocSpaceBitmap.extLength) {
969 {
970 UDF_SB_ALLOC_BITMAP(sb, i, s_uspace); 999 UDF_SB_ALLOC_BITMAP(sb, i, s_uspace);
971 if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) 1000 if (UDF_SB_PARTMAPS(sb)[i].s_uspace.
972 { 1001 s_bitmap != NULL) {
973 UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength = 1002 UDF_SB_PARTMAPS(sb)[i].s_uspace.
974 le32_to_cpu(phd->unallocSpaceBitmap.extLength); 1003 s_bitmap->s_extLength =
975 UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition = 1004 le32_to_cpu(phd->
976 le32_to_cpu(phd->unallocSpaceBitmap.extPosition); 1005 unallocSpaceBitmap.
977 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_BITMAP; 1006 extLength);
978 udf_debug("unallocSpaceBitmap (part %d) @ %d\n", 1007 UDF_SB_PARTMAPS(sb)[i].s_uspace.
979 i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition); 1008 s_bitmap->s_extPosition =
1009 le32_to_cpu(phd->
1010 unallocSpaceBitmap.
1011 extPosition);
1012 UDF_SB_PARTFLAGS(sb, i) |=
1013 UDF_PART_FLAG_UNALLOC_BITMAP;
1014 udf_debug
1015 ("unallocSpaceBitmap (part %d) @ %d\n",
1016 i,
1017 UDF_SB_PARTMAPS(sb)[i].
1018 s_uspace.s_bitmap->
1019 s_extPosition);
980 } 1020 }
981 } 1021 }
982 if (phd->partitionIntegrityTable.extLength) 1022 if (phd->partitionIntegrityTable.extLength)
983 udf_debug("partitionIntegrityTable (part %d)\n", i); 1023 udf_debug
984 if (phd->freedSpaceTable.extLength) 1024 ("partitionIntegrityTable (part %d)\n",
985 { 1025 i);
986 kernel_lb_addr loc = { le32_to_cpu(phd->freedSpaceTable.extPosition), i }; 1026 if (phd->freedSpaceTable.extLength) {
987 1027 kernel_lb_addr loc =
988 UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table = 1028 { le32_to_cpu(phd->freedSpaceTable.
989 udf_iget(sb, loc); 1029 extPosition), i };
990 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE; 1030
991 udf_debug("freedSpaceTable (part %d) @ %ld\n", 1031 UDF_SB_PARTMAPS(sb)[i].s_fspace.
992 i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino); 1032 s_table = udf_iget(sb, loc);
1033 UDF_SB_PARTFLAGS(sb, i) |=
1034 UDF_PART_FLAG_FREED_TABLE;
1035 udf_debug
1036 ("freedSpaceTable (part %d) @ %ld\n",
1037 i,
1038 UDF_SB_PARTMAPS(sb)[i].s_fspace.
1039 s_table->i_ino);
993 } 1040 }
994 if (phd->freedSpaceBitmap.extLength) 1041 if (phd->freedSpaceBitmap.extLength) {
995 {
996 UDF_SB_ALLOC_BITMAP(sb, i, s_fspace); 1042 UDF_SB_ALLOC_BITMAP(sb, i, s_fspace);
997 if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) 1043 if (UDF_SB_PARTMAPS(sb)[i].s_fspace.
998 { 1044 s_bitmap != NULL) {
999 UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength = 1045 UDF_SB_PARTMAPS(sb)[i].s_fspace.
1000 le32_to_cpu(phd->freedSpaceBitmap.extLength); 1046 s_bitmap->s_extLength =
1001 UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition = 1047 le32_to_cpu(phd->
1002 le32_to_cpu(phd->freedSpaceBitmap.extPosition); 1048 freedSpaceBitmap.
1003 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_BITMAP; 1049 extLength);
1004 udf_debug("freedSpaceBitmap (part %d) @ %d\n", 1050 UDF_SB_PARTMAPS(sb)[i].s_fspace.
1005 i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition); 1051 s_bitmap->s_extPosition =
1052 le32_to_cpu(phd->
1053 freedSpaceBitmap.
1054 extPosition);
1055 UDF_SB_PARTFLAGS(sb, i) |=
1056 UDF_PART_FLAG_FREED_BITMAP;
1057 udf_debug
1058 ("freedSpaceBitmap (part %d) @ %d\n",
1059 i,
1060 UDF_SB_PARTMAPS(sb)[i].
1061 s_fspace.s_bitmap->
1062 s_extPosition);
1006 } 1063 }
1007 } 1064 }
1008 } 1065 }
1009 break; 1066 break;
1010 } 1067 }
1011 } 1068 }
1012 if (i == UDF_SB_NUMPARTS(sb)) 1069 if (i == UDF_SB_NUMPARTS(sb)) {
1013 { 1070 udf_debug("Partition (%d) not found in partition map\n",
1014 udf_debug("Partition (%d) not found in partition map\n", le16_to_cpu(p->partitionNumber)); 1071 le16_to_cpu(p->partitionNumber));
1015 } 1072 } else {
1016 else 1073 udf_debug
1017 { 1074 ("Partition (%d:%d type %x) starts at physical %d, block length %d\n",
1018 udf_debug("Partition (%d:%d type %x) starts at physical %d, block length %d\n", 1075 le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb, i),
1019 le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i), 1076 UDF_SB_PARTROOT(sb, i), UDF_SB_PARTLEN(sb, i));
1020 UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i));
1021 } 1077 }
1022} 1078}
1023 1079
1024static int 1080static int
1025udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_addr *fileset) 1081udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
1082 kernel_lb_addr * fileset)
1026{ 1083{
1027 struct logicalVolDesc *lvd; 1084 struct logicalVolDesc *lvd;
1028 int i, j, offset; 1085 int i, j, offset;
@@ -1032,82 +1089,114 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a
1032 1089
1033 UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps)); 1090 UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps));
1034 1091
1035 for (i=0,offset=0; 1092 for (i = 0, offset = 0;
1036 i<UDF_SB_NUMPARTS(sb) && offset<le32_to_cpu(lvd->mapTableLength); 1093 i < UDF_SB_NUMPARTS(sb)
1037 i++,offset+=((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) 1094 && offset < le32_to_cpu(lvd->mapTableLength);
1038 { 1095 i++, offset +=
1039 type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType; 1096 ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->
1040 if (type == 1) 1097 partitionMapLength) {
1041 { 1098 type =
1042 struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]); 1099 ((struct genericPartitionMap *)
1043 UDF_SB_PARTTYPE(sb,i) = UDF_TYPE1_MAP15; 1100 &(lvd->partitionMaps[offset]))->partitionMapType;
1044 UDF_SB_PARTVSN(sb,i) = le16_to_cpu(gpm1->volSeqNum); 1101 if (type == 1) {
1045 UDF_SB_PARTNUM(sb,i) = le16_to_cpu(gpm1->partitionNum); 1102 struct genericPartitionMap1 *gpm1 =
1046 UDF_SB_PARTFUNC(sb,i) = NULL; 1103 (struct genericPartitionMap1 *)&(lvd->
1047 } 1104 partitionMaps
1048 else if (type == 2) 1105 [offset]);
1049 { 1106 UDF_SB_PARTTYPE(sb, i) = UDF_TYPE1_MAP15;
1050 struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]); 1107 UDF_SB_PARTVSN(sb, i) = le16_to_cpu(gpm1->volSeqNum);
1051 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) 1108 UDF_SB_PARTNUM(sb, i) = le16_to_cpu(gpm1->partitionNum);
1052 { 1109 UDF_SB_PARTFUNC(sb, i) = NULL;
1053 if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) 1110 } else if (type == 2) {
1054 { 1111 struct udfPartitionMap2 *upm2 =
1055 UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP15; 1112 (struct udfPartitionMap2 *)&(lvd->
1056 UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt15; 1113 partitionMaps[offset]);
1057 } 1114 if (!strncmp
1058 else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) 1115 (upm2->partIdent.ident, UDF_ID_VIRTUAL,
1059 { 1116 strlen(UDF_ID_VIRTUAL))) {
1060 UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP20; 1117 if (le16_to_cpu
1061 UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt20; 1118 (((__le16 *) upm2->partIdent.
1119 identSuffix)[0]) == 0x0150) {
1120 UDF_SB_PARTTYPE(sb, i) =
1121 UDF_VIRTUAL_MAP15;
1122 UDF_SB_PARTFUNC(sb, i) =
1123 udf_get_pblock_virt15;
1124 } else
1125 if (le16_to_cpu
1126 (((__le16 *) upm2->partIdent.
1127 identSuffix)[0]) == 0x0200) {
1128 UDF_SB_PARTTYPE(sb, i) =
1129 UDF_VIRTUAL_MAP20;
1130 UDF_SB_PARTFUNC(sb, i) =
1131 udf_get_pblock_virt20;
1062 } 1132 }
1063 } 1133 } else
1064 else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) 1134 if (!strncmp
1065 { 1135 (upm2->partIdent.ident, UDF_ID_SPARABLE,
1136 strlen(UDF_ID_SPARABLE))) {
1066 uint32_t loc; 1137 uint32_t loc;
1067 uint16_t ident; 1138 uint16_t ident;
1068 struct sparingTable *st; 1139 struct sparingTable *st;
1069 struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]); 1140 struct sparablePartitionMap *spm =
1070 1141 (struct sparablePartitionMap *)&(lvd->
1071 UDF_SB_PARTTYPE(sb,i) = UDF_SPARABLE_MAP15; 1142 partitionMaps
1072 UDF_SB_TYPESPAR(sb,i).s_packet_len = le16_to_cpu(spm->packetLength); 1143 [offset]);
1073 for (j=0; j<spm->numSparingTables; j++) 1144
1074 { 1145 UDF_SB_PARTTYPE(sb, i) = UDF_SPARABLE_MAP15;
1075 loc = le32_to_cpu(spm->locSparingTable[j]); 1146 UDF_SB_TYPESPAR(sb, i).s_packet_len =
1076 UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = 1147 le16_to_cpu(spm->packetLength);
1077 udf_read_tagged(sb, loc, loc, &ident); 1148 for (j = 0; j < spm->numSparingTables; j++) {
1078 if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) 1149 loc =
1079 { 1150 le32_to_cpu(spm->
1080 st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,i).s_spar_map[j]->b_data; 1151 locSparingTable[j]);
1081 if (ident != 0 || 1152 UDF_SB_TYPESPAR(sb, i).s_spar_map[j] =
1082 strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) 1153 udf_read_tagged(sb, loc, loc,
1154 &ident);
1155 if (UDF_SB_TYPESPAR(sb, i).
1156 s_spar_map[j] != NULL) {
1157 st = (struct sparingTable *)
1158 UDF_SB_TYPESPAR(sb,
1159 i).
1160 s_spar_map[j]->b_data;
1161 if (ident != 0
1162 || strncmp(st->sparingIdent.
1163 ident,
1164 UDF_ID_SPARING,
1165 strlen
1166 (UDF_ID_SPARING)))
1083 { 1167 {
1084 brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); 1168 brelse(UDF_SB_TYPESPAR
1085 UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL; 1169 (sb,
1170 i).
1171 s_spar_map[j]);
1172 UDF_SB_TYPESPAR(sb,
1173 i).
1174 s_spar_map[j] =
1175 NULL;
1086 } 1176 }
1087 } 1177 }
1088 } 1178 }
1089 UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_spar15; 1179 UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_spar15;
1090 } 1180 } else {
1091 else 1181 udf_debug("Unknown ident: %s\n",
1092 { 1182 upm2->partIdent.ident);
1093 udf_debug("Unknown ident: %s\n", upm2->partIdent.ident);
1094 continue; 1183 continue;
1095 } 1184 }
1096 UDF_SB_PARTVSN(sb,i) = le16_to_cpu(upm2->volSeqNum); 1185 UDF_SB_PARTVSN(sb, i) = le16_to_cpu(upm2->volSeqNum);
1097 UDF_SB_PARTNUM(sb,i) = le16_to_cpu(upm2->partitionNum); 1186 UDF_SB_PARTNUM(sb, i) = le16_to_cpu(upm2->partitionNum);
1098 } 1187 }
1099 udf_debug("Partition (%d:%d) type %d on volume %d\n", 1188 udf_debug("Partition (%d:%d) type %d on volume %d\n",
1100 i, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i)); 1189 i, UDF_SB_PARTNUM(sb, i), type, UDF_SB_PARTVSN(sb,
1190 i));
1101 } 1191 }
1102 1192
1103 if (fileset) 1193 if (fileset) {
1104 { 1194 long_ad *la = (long_ad *) & (lvd->logicalVolContentsUse[0]);
1105 long_ad *la = (long_ad *)&(lvd->logicalVolContentsUse[0]);
1106 1195
1107 *fileset = lelb_to_cpu(la->extLocation); 1196 *fileset = lelb_to_cpu(la->extLocation);
1108 udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n", 1197 udf_debug
1109 fileset->logicalBlockNum, 1198 ("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
1110 fileset->partitionReferenceNum); 1199 fileset->logicalBlockNum, fileset->partitionReferenceNum);
1111 } 1200 }
1112 if (lvd->integritySeqExt.extLength) 1201 if (lvd->integritySeqExt.extLength)
1113 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); 1202 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt));
@@ -1118,26 +1207,26 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a
1118 * udf_load_logicalvolint 1207 * udf_load_logicalvolint
1119 * 1208 *
1120 */ 1209 */
1121static void 1210static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
1122udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
1123{ 1211{
1124 struct buffer_head *bh = NULL; 1212 struct buffer_head *bh = NULL;
1125 uint16_t ident; 1213 uint16_t ident;
1126 1214
1127 while (loc.extLength > 0 && 1215 while (loc.extLength > 0 &&
1128 (bh = udf_read_tagged(sb, loc.extLocation, 1216 (bh = udf_read_tagged(sb, loc.extLocation,
1129 loc.extLocation, &ident)) && 1217 loc.extLocation, &ident)) &&
1130 ident == TAG_IDENT_LVID) 1218 ident == TAG_IDENT_LVID) {
1131 {
1132 UDF_SB_LVIDBH(sb) = bh; 1219 UDF_SB_LVIDBH(sb) = bh;
1133 1220
1134 if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength) 1221 if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength)
1135 udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt)); 1222 udf_load_logicalvolint(sb,
1136 1223 leea_to_cpu(UDF_SB_LVID(sb)->
1224 nextIntegrityExt));
1225
1137 if (UDF_SB_LVIDBH(sb) != bh) 1226 if (UDF_SB_LVIDBH(sb) != bh)
1138 brelse(bh); 1227 brelse(bh);
1139 loc.extLength -= sb->s_blocksize; 1228 loc.extLength -= sb->s_blocksize;
1140 loc.extLocation ++; 1229 loc.extLocation++;
1141 } 1230 }
1142 if (UDF_SB_LVIDBH(sb) != bh) 1231 if (UDF_SB_LVIDBH(sb) != bh)
1143 brelse(bh); 1232 brelse(bh);
@@ -1158,15 +1247,16 @@ udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
1158 * July 1, 1997 - Andrew E. Mileski 1247 * July 1, 1997 - Andrew E. Mileski
1159 * Written, tested, and released. 1248 * Written, tested, and released.
1160 */ 1249 */
1161static int 1250static int
1162udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_lb_addr *fileset) 1251udf_process_sequence(struct super_block *sb, long block, long lastblock,
1252 kernel_lb_addr * fileset)
1163{ 1253{
1164 struct buffer_head *bh = NULL; 1254 struct buffer_head *bh = NULL;
1165 struct udf_vds_record vds[VDS_POS_LENGTH]; 1255 struct udf_vds_record vds[VDS_POS_LENGTH];
1166 struct generic_desc *gd; 1256 struct generic_desc *gd;
1167 struct volDescPtr *vdp; 1257 struct volDescPtr *vdp;
1168 int done=0; 1258 int done = 0;
1169 int i,j; 1259 int i, j;
1170 uint32_t vdsn; 1260 uint32_t vdsn;
1171 uint16_t ident; 1261 uint16_t ident;
1172 long next_s = 0, next_e = 0; 1262 long next_s = 0, next_e = 0;
@@ -1174,93 +1264,92 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_
1174 memset(vds, 0, sizeof(struct udf_vds_record) * VDS_POS_LENGTH); 1264 memset(vds, 0, sizeof(struct udf_vds_record) * VDS_POS_LENGTH);
1175 1265
1176 /* Read the main descriptor sequence */ 1266 /* Read the main descriptor sequence */
1177 for (;(!done && block <= lastblock); block++) 1267 for (; (!done && block <= lastblock); block++) {
1178 {
1179 1268
1180 bh = udf_read_tagged(sb, block, block, &ident); 1269 bh = udf_read_tagged(sb, block, block, &ident);
1181 if (!bh) 1270 if (!bh)
1182 break; 1271 break;
1183 1272
1184 /* Process each descriptor (ISO 13346 3/8.3-8.4) */ 1273 /* Process each descriptor (ISO 13346 3/8.3-8.4) */
1185 gd = (struct generic_desc *)bh->b_data; 1274 gd = (struct generic_desc *)bh->b_data;
1186 vdsn = le32_to_cpu(gd->volDescSeqNum); 1275 vdsn = le32_to_cpu(gd->volDescSeqNum);
1187 switch (ident) 1276 switch (ident) {
1188 { 1277 case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
1189 case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ 1278 if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) {
1190 if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) 1279 vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum =
1191 { 1280 vdsn;
1192 vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn; 1281 vds[VDS_POS_PRIMARY_VOL_DESC].block = block;
1193 vds[VDS_POS_PRIMARY_VOL_DESC].block = block; 1282 }
1194 } 1283 break;
1195 break; 1284 case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */
1196 case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ 1285 if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) {
1197 if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) 1286 vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn;
1198 { 1287 vds[VDS_POS_VOL_DESC_PTR].block = block;
1199 vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn; 1288
1200 vds[VDS_POS_VOL_DESC_PTR].block = block; 1289 vdp = (struct volDescPtr *)bh->b_data;
1201 1290 next_s =
1202 vdp = (struct volDescPtr *)bh->b_data; 1291 le32_to_cpu(vdp->nextVolDescSeqExt.
1203 next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); 1292 extLocation);
1204 next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength); 1293 next_e =
1205 next_e = next_e >> sb->s_blocksize_bits; 1294 le32_to_cpu(vdp->nextVolDescSeqExt.
1206 next_e += next_s; 1295 extLength);
1207 } 1296 next_e = next_e >> sb->s_blocksize_bits;
1208 break; 1297 next_e += next_s;
1209 case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ 1298 }
1210 if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) 1299 break;
1211 { 1300 case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
1212 vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn; 1301 if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) {
1213 vds[VDS_POS_IMP_USE_VOL_DESC].block = block; 1302 vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum =
1214 } 1303 vdsn;
1215 break; 1304 vds[VDS_POS_IMP_USE_VOL_DESC].block = block;
1216 case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ 1305 }
1217 if (!vds[VDS_POS_PARTITION_DESC].block) 1306 break;
1218 vds[VDS_POS_PARTITION_DESC].block = block; 1307 case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
1219 break; 1308 if (!vds[VDS_POS_PARTITION_DESC].block)
1220 case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ 1309 vds[VDS_POS_PARTITION_DESC].block = block;
1221 if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) 1310 break;
1222 { 1311 case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
1223 vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn; 1312 if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) {
1224 vds[VDS_POS_LOGICAL_VOL_DESC].block = block; 1313 vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum =
1225 } 1314 vdsn;
1226 break; 1315 vds[VDS_POS_LOGICAL_VOL_DESC].block = block;
1227 case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ 1316 }
1228 if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) 1317 break;
1229 { 1318 case TAG_IDENT_USD: /* ISO 13346 3/10.8 */
1230 vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn; 1319 if (vdsn >=
1231 vds[VDS_POS_UNALLOC_SPACE_DESC].block = block; 1320 vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) {
1232 } 1321 vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum =
1233 break; 1322 vdsn;
1234 case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ 1323 vds[VDS_POS_UNALLOC_SPACE_DESC].block = block;
1235 vds[VDS_POS_TERMINATING_DESC].block = block; 1324 }
1236 if (next_e) 1325 break;
1237 { 1326 case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
1238 block = next_s; 1327 vds[VDS_POS_TERMINATING_DESC].block = block;
1239 lastblock = next_e; 1328 if (next_e) {
1240 next_s = next_e = 0; 1329 block = next_s;
1241 } 1330 lastblock = next_e;
1242 else 1331 next_s = next_e = 0;
1243 done = 1; 1332 } else
1244 break; 1333 done = 1;
1334 break;
1245 } 1335 }
1246 brelse(bh); 1336 brelse(bh);
1247 } 1337 }
1248 for (i=0; i<VDS_POS_LENGTH; i++) 1338 for (i = 0; i < VDS_POS_LENGTH; i++) {
1249 { 1339 if (vds[i].block) {
1250 if (vds[i].block) 1340 bh = udf_read_tagged(sb, vds[i].block, vds[i].block,
1251 { 1341 &ident);
1252 bh = udf_read_tagged(sb, vds[i].block, vds[i].block, &ident);
1253 1342
1254 if (i == VDS_POS_PRIMARY_VOL_DESC) 1343 if (i == VDS_POS_PRIMARY_VOL_DESC)
1255 udf_load_pvoldesc(sb, bh); 1344 udf_load_pvoldesc(sb, bh);
1256 else if (i == VDS_POS_LOGICAL_VOL_DESC) 1345 else if (i == VDS_POS_LOGICAL_VOL_DESC)
1257 udf_load_logicalvol(sb, bh, fileset); 1346 udf_load_logicalvol(sb, bh, fileset);
1258 else if (i == VDS_POS_PARTITION_DESC) 1347 else if (i == VDS_POS_PARTITION_DESC) {
1259 {
1260 struct buffer_head *bh2 = NULL; 1348 struct buffer_head *bh2 = NULL;
1261 udf_load_partdesc(sb, bh); 1349 udf_load_partdesc(sb, bh);
1262 for (j=vds[i].block+1; j<vds[VDS_POS_TERMINATING_DESC].block; j++) 1350 for (j = vds[i].block + 1;
1263 { 1351 j < vds[VDS_POS_TERMINATING_DESC].block;
1352 j++) {
1264 bh2 = udf_read_tagged(sb, j, j, &ident); 1353 bh2 = udf_read_tagged(sb, j, j, &ident);
1265 gd = (struct generic_desc *)bh2->b_data; 1354 gd = (struct generic_desc *)bh2->b_data;
1266 if (ident == TAG_IDENT_PD) 1355 if (ident == TAG_IDENT_PD)
@@ -1278,31 +1367,27 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_
1278/* 1367/*
1279 * udf_check_valid() 1368 * udf_check_valid()
1280 */ 1369 */
1281static int 1370static int udf_check_valid(struct super_block *sb, int novrs, int silent)
1282udf_check_valid(struct super_block *sb, int novrs, int silent)
1283{ 1371{
1284 long block; 1372 long block;
1285 1373
1286 if (novrs) 1374 if (novrs) {
1287 {
1288 udf_debug("Validity check skipped because of novrs option\n"); 1375 udf_debug("Validity check skipped because of novrs option\n");
1289 return 0; 1376 return 0;
1290 } 1377 }
1291 /* Check that it is NSR02 compliant */ 1378 /* Check that it is NSR02 compliant */
1292 /* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */ 1379 /* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */
1293 else if ((block = udf_vrs(sb, silent)) == -1) 1380 else if ((block = udf_vrs(sb, silent)) == -1) {
1294 { 1381 udf_debug
1295 udf_debug("Failed to read byte 32768. Assuming open disc. Skipping validity check\n"); 1382 ("Failed to read byte 32768. Assuming open disc. Skipping validity check\n");
1296 if (!UDF_SB_LASTBLOCK(sb)) 1383 if (!UDF_SB_LASTBLOCK(sb))
1297 UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb); 1384 UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
1298 return 0; 1385 return 0;
1299 } 1386 } else
1300 else
1301 return !block; 1387 return !block;
1302} 1388}
1303 1389
1304static int 1390static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
1305udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1306{ 1391{
1307 struct anchorVolDescPtr *anchor; 1392 struct anchorVolDescPtr *anchor;
1308 uint16_t ident; 1393 uint16_t ident;
@@ -1315,19 +1400,27 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1315 1400
1316 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { 1401 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
1317 if (UDF_SB_ANCHOR(sb)[i] && (bh = udf_read_tagged(sb, 1402 if (UDF_SB_ANCHOR(sb)[i] && (bh = udf_read_tagged(sb,
1318 UDF_SB_ANCHOR(sb)[i], UDF_SB_ANCHOR(sb)[i], &ident))) 1403 UDF_SB_ANCHOR
1319 { 1404 (sb)[i],
1405 UDF_SB_ANCHOR
1406 (sb)[i],
1407 &ident))) {
1320 anchor = (struct anchorVolDescPtr *)bh->b_data; 1408 anchor = (struct anchorVolDescPtr *)bh->b_data;
1321 1409
1322 /* Locate the main sequence */ 1410 /* Locate the main sequence */
1323 main_s = le32_to_cpu( anchor->mainVolDescSeqExt.extLocation ); 1411 main_s =
1324 main_e = le32_to_cpu( anchor->mainVolDescSeqExt.extLength ); 1412 le32_to_cpu(anchor->mainVolDescSeqExt.extLocation);
1413 main_e =
1414 le32_to_cpu(anchor->mainVolDescSeqExt.extLength);
1325 main_e = main_e >> sb->s_blocksize_bits; 1415 main_e = main_e >> sb->s_blocksize_bits;
1326 main_e += main_s; 1416 main_e += main_s;
1327 1417
1328 /* Locate the reserve sequence */ 1418 /* Locate the reserve sequence */
1329 reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); 1419 reserve_s =
1330 reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); 1420 le32_to_cpu(anchor->reserveVolDescSeqExt.
1421 extLocation);
1422 reserve_e =
1423 le32_to_cpu(anchor->reserveVolDescSeqExt.extLength);
1331 reserve_e = reserve_e >> sb->s_blocksize_bits; 1424 reserve_e = reserve_e >> sb->s_blocksize_bits;
1332 reserve_e += reserve_s; 1425 reserve_e += reserve_s;
1333 1426
@@ -1335,9 +1428,10 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1335 1428
1336 /* Process the main & reserve sequences */ 1429 /* Process the main & reserve sequences */
1337 /* responsible for finding the PartitionDesc(s) */ 1430 /* responsible for finding the PartitionDesc(s) */
1338 if (!(udf_process_sequence(sb, main_s, main_e, fileset) && 1431 if (!
1339 udf_process_sequence(sb, reserve_s, reserve_e, fileset))) 1432 (udf_process_sequence(sb, main_s, main_e, fileset)
1340 { 1433 && udf_process_sequence(sb, reserve_s, reserve_e,
1434 fileset))) {
1341 break; 1435 break;
1342 } 1436 }
1343 } 1437 }
@@ -1349,36 +1443,37 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1349 } else 1443 } else
1350 udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]); 1444 udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]);
1351 1445
1352 for (i=0; i<UDF_SB_NUMPARTS(sb); i++) 1446 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
1353 { 1447 switch (UDF_SB_PARTTYPE(sb, i)) {
1354 switch (UDF_SB_PARTTYPE(sb, i)) 1448 case UDF_VIRTUAL_MAP15:
1355 { 1449 case UDF_VIRTUAL_MAP20:
1356 case UDF_VIRTUAL_MAP15:
1357 case UDF_VIRTUAL_MAP20:
1358 { 1450 {
1359 kernel_lb_addr uninitialized_var(ino); 1451 kernel_lb_addr uninitialized_var(ino);
1360 1452
1361 if (!UDF_SB_LASTBLOCK(sb)) 1453 if (!UDF_SB_LASTBLOCK(sb)) {
1362 { 1454 UDF_SB_LASTBLOCK(sb) =
1363 UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb); 1455 udf_get_last_block(sb);
1364 udf_find_anchor(sb); 1456 udf_find_anchor(sb);
1365 } 1457 }
1366 1458
1367 if (!UDF_SB_LASTBLOCK(sb)) 1459 if (!UDF_SB_LASTBLOCK(sb)) {
1368 { 1460 udf_debug
1369 udf_debug("Unable to determine Lastblock (For Virtual Partition)\n"); 1461 ("Unable to determine Lastblock (For Virtual Partition)\n");
1370 return 1; 1462 return 1;
1371 } 1463 }
1372 1464
1373 for (j=0; j<UDF_SB_NUMPARTS(sb); j++) 1465 for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) {
1374 {
1375 if (j != i && 1466 if (j != i &&
1376 UDF_SB_PARTVSN(sb,i) == UDF_SB_PARTVSN(sb,j) && 1467 UDF_SB_PARTVSN(sb,
1377 UDF_SB_PARTNUM(sb,i) == UDF_SB_PARTNUM(sb,j)) 1468 i) ==
1378 { 1469 UDF_SB_PARTVSN(sb, j)
1470 && UDF_SB_PARTNUM(sb,
1471 i) ==
1472 UDF_SB_PARTNUM(sb, j)) {
1379 ino.partitionReferenceNum = j; 1473 ino.partitionReferenceNum = j;
1380 ino.logicalBlockNum = UDF_SB_LASTBLOCK(sb) - 1474 ino.logicalBlockNum =
1381 UDF_SB_PARTROOT(sb,j); 1475 UDF_SB_LASTBLOCK(sb) -
1476 UDF_SB_PARTROOT(sb, j);
1382 break; 1477 break;
1383 } 1478 }
1384 } 1479 }
@@ -1389,13 +1484,13 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1389 if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino))) 1484 if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino)))
1390 return 1; 1485 return 1;
1391 1486
1392 if (UDF_SB_PARTTYPE(sb,i) == UDF_VIRTUAL_MAP15) 1487 if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) {
1393 { 1488 UDF_SB_TYPEVIRT(sb, i).s_start_offset =
1394 UDF_SB_TYPEVIRT(sb,i).s_start_offset = udf_ext0_offset(UDF_SB_VAT(sb)); 1489 udf_ext0_offset(UDF_SB_VAT(sb));
1395 UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size - 36) >> 2; 1490 UDF_SB_TYPEVIRT(sb, i).s_num_entries =
1396 } 1491 (UDF_SB_VAT(sb)->i_size - 36) >> 2;
1397 else if (UDF_SB_PARTTYPE(sb,i) == UDF_VIRTUAL_MAP20) 1492 } else if (UDF_SB_PARTTYPE(sb, i) ==
1398 { 1493 UDF_VIRTUAL_MAP20) {
1399 struct buffer_head *bh = NULL; 1494 struct buffer_head *bh = NULL;
1400 uint32_t pos; 1495 uint32_t pos;
1401 1496
@@ -1403,15 +1498,26 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1403 bh = sb_bread(sb, pos); 1498 bh = sb_bread(sb, pos);
1404 if (!bh) 1499 if (!bh)
1405 return 1; 1500 return 1;
1406 UDF_SB_TYPEVIRT(sb,i).s_start_offset = 1501 UDF_SB_TYPEVIRT(sb, i).s_start_offset =
1407 le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) + 1502 le16_to_cpu(((struct
1408 udf_ext0_offset(UDF_SB_VAT(sb)); 1503 virtualAllocationTable20
1409 UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size - 1504 *)bh->b_data +
1410 UDF_SB_TYPEVIRT(sb,i).s_start_offset) >> 2; 1505 udf_ext0_offset
1506 (UDF_SB_VAT(sb)))->
1507 lengthHeader) +
1508 udf_ext0_offset(UDF_SB_VAT(sb));
1509 UDF_SB_TYPEVIRT(sb, i).s_num_entries =
1510 (UDF_SB_VAT(sb)->i_size -
1511 UDF_SB_TYPEVIRT(sb,
1512 i).
1513 s_start_offset) >> 2;
1411 brelse(bh); 1514 brelse(bh);
1412 } 1515 }
1413 UDF_SB_PARTROOT(sb,i) = udf_get_pblock(sb, 0, i, 0); 1516 UDF_SB_PARTROOT(sb, i) =
1414 UDF_SB_PARTLEN(sb,i) = UDF_SB_PARTLEN(sb,ino.partitionReferenceNum); 1517 udf_get_pblock(sb, 0, i, 0);
1518 UDF_SB_PARTLEN(sb, i) =
1519 UDF_SB_PARTLEN(sb,
1520 ino.partitionReferenceNum);
1415 } 1521 }
1416 } 1522 }
1417 } 1523 }
@@ -1420,26 +1526,28 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1420 1526
1421static void udf_open_lvid(struct super_block *sb) 1527static void udf_open_lvid(struct super_block *sb)
1422{ 1528{
1423 if (UDF_SB_LVIDBH(sb)) 1529 if (UDF_SB_LVIDBH(sb)) {
1424 {
1425 int i; 1530 int i;
1426 kernel_timestamp cpu_time; 1531 kernel_timestamp cpu_time;
1427 1532
1428 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; 1533 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
1429 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; 1534 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
1430 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) 1535 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
1431 UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time); 1536 UDF_SB_LVID(sb)->recordingDateAndTime =
1537 cpu_to_lets(cpu_time);
1432 UDF_SB_LVID(sb)->integrityType = LVID_INTEGRITY_TYPE_OPEN; 1538 UDF_SB_LVID(sb)->integrityType = LVID_INTEGRITY_TYPE_OPEN;
1433 1539
1434 UDF_SB_LVID(sb)->descTag.descCRC = 1540 UDF_SB_LVID(sb)->descTag.descCRC =
1435 cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), 1541 cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
1436 le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0)); 1542 le16_to_cpu(UDF_SB_LVID(sb)->descTag.
1543 descCRCLength), 0));
1437 1544
1438 UDF_SB_LVID(sb)->descTag.tagChecksum = 0; 1545 UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
1439 for (i=0; i<16; i++) 1546 for (i = 0; i < 16; i++)
1440 if (i != 4) 1547 if (i != 4)
1441 UDF_SB_LVID(sb)->descTag.tagChecksum += 1548 UDF_SB_LVID(sb)->descTag.tagChecksum +=
1442 ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i]; 1549 ((uint8_t *) &
1550 (UDF_SB_LVID(sb)->descTag))[i];
1443 1551
1444 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 1552 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
1445 } 1553 }
@@ -1448,32 +1556,41 @@ static void udf_open_lvid(struct super_block *sb)
1448static void udf_close_lvid(struct super_block *sb) 1556static void udf_close_lvid(struct super_block *sb)
1449{ 1557{
1450 if (UDF_SB_LVIDBH(sb) && 1558 if (UDF_SB_LVIDBH(sb) &&
1451 UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) 1559 UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
1452 {
1453 int i; 1560 int i;
1454 kernel_timestamp cpu_time; 1561 kernel_timestamp cpu_time;
1455 1562
1456 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; 1563 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
1457 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; 1564 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
1458 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) 1565 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
1459 UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time); 1566 UDF_SB_LVID(sb)->recordingDateAndTime =
1460 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev)) 1567 cpu_to_lets(cpu_time);
1461 UDF_SB_LVIDIU(sb)->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); 1568 if (UDF_MAX_WRITE_VERSION >
1462 if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev)) 1569 le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev))
1463 UDF_SB_LVIDIU(sb)->minUDFReadRev = cpu_to_le16(UDF_SB_UDFREV(sb)); 1570 UDF_SB_LVIDIU(sb)->maxUDFWriteRev =
1464 if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev)) 1571 cpu_to_le16(UDF_MAX_WRITE_VERSION);
1465 UDF_SB_LVIDIU(sb)->minUDFWriteRev = cpu_to_le16(UDF_SB_UDFREV(sb)); 1572 if (UDF_SB_UDFREV(sb) >
1466 UDF_SB_LVID(sb)->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); 1573 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev))
1574 UDF_SB_LVIDIU(sb)->minUDFReadRev =
1575 cpu_to_le16(UDF_SB_UDFREV(sb));
1576 if (UDF_SB_UDFREV(sb) >
1577 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev))
1578 UDF_SB_LVIDIU(sb)->minUDFWriteRev =
1579 cpu_to_le16(UDF_SB_UDFREV(sb));
1580 UDF_SB_LVID(sb)->integrityType =
1581 cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
1467 1582
1468 UDF_SB_LVID(sb)->descTag.descCRC = 1583 UDF_SB_LVID(sb)->descTag.descCRC =
1469 cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), 1584 cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
1470 le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0)); 1585 le16_to_cpu(UDF_SB_LVID(sb)->descTag.
1586 descCRCLength), 0));
1471 1587
1472 UDF_SB_LVID(sb)->descTag.tagChecksum = 0; 1588 UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
1473 for (i=0; i<16; i++) 1589 for (i = 0; i < 16; i++)
1474 if (i != 4) 1590 if (i != 4)
1475 UDF_SB_LVID(sb)->descTag.tagChecksum += 1591 UDF_SB_LVID(sb)->descTag.tagChecksum +=
1476 ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i]; 1592 ((uint8_t *) &
1593 (UDF_SB_LVID(sb)->descTag))[i];
1477 1594
1478 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 1595 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
1479 } 1596 }
@@ -1498,7 +1615,7 @@ static void udf_close_lvid(struct super_block *sb)
1498static int udf_fill_super(struct super_block *sb, void *options, int silent) 1615static int udf_fill_super(struct super_block *sb, void *options, int silent)
1499{ 1616{
1500 int i; 1617 int i;
1501 struct inode *inode=NULL; 1618 struct inode *inode = NULL;
1502 struct udf_options uopt; 1619 struct udf_options uopt;
1503 kernel_lb_addr rootdir, fileset; 1620 kernel_lb_addr rootdir, fileset;
1504 struct udf_sb_info *sbi; 1621 struct udf_sb_info *sbi;
@@ -1520,15 +1637,13 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1520 goto error_out; 1637 goto error_out;
1521 1638
1522 if (uopt.flags & (1 << UDF_FLAG_UTF8) && 1639 if (uopt.flags & (1 << UDF_FLAG_UTF8) &&
1523 uopt.flags & (1 << UDF_FLAG_NLS_MAP)) 1640 uopt.flags & (1 << UDF_FLAG_NLS_MAP)) {
1524 {
1525 udf_error(sb, "udf_read_super", 1641 udf_error(sb, "udf_read_super",
1526 "utf8 cannot be combined with iocharset\n"); 1642 "utf8 cannot be combined with iocharset\n");
1527 goto error_out; 1643 goto error_out;
1528 } 1644 }
1529#ifdef CONFIG_UDF_NLS 1645#ifdef CONFIG_UDF_NLS
1530 if ((uopt.flags & (1 << UDF_FLAG_NLS_MAP)) && !uopt.nls_map) 1646 if ((uopt.flags & (1 << UDF_FLAG_NLS_MAP)) && !uopt.nls_map) {
1531 {
1532 uopt.nls_map = load_nls_default(); 1647 uopt.nls_map = load_nls_default();
1533 if (!uopt.nls_map) 1648 if (!uopt.nls_map)
1534 uopt.flags &= ~(1 << UDF_FLAG_NLS_MAP); 1649 uopt.flags &= ~(1 << UDF_FLAG_NLS_MAP);
@@ -1552,7 +1667,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1552 if (!udf_set_blocksize(sb, uopt.blocksize)) 1667 if (!udf_set_blocksize(sb, uopt.blocksize))
1553 goto error_out; 1668 goto error_out;
1554 1669
1555 if ( uopt.session == 0xFFFFFFFF ) 1670 if (uopt.session == 0xFFFFFFFF)
1556 UDF_SB_SESSION(sb) = udf_get_last_session(sb); 1671 UDF_SB_SESSION(sb) = udf_get_last_session(sb);
1557 else 1672 else
1558 UDF_SB_SESSION(sb) = uopt.session; 1673 UDF_SB_SESSION(sb) = uopt.session;
@@ -1564,10 +1679,9 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1564 UDF_SB_ANCHOR(sb)[2] = uopt.anchor; 1679 UDF_SB_ANCHOR(sb)[2] = uopt.anchor;
1565 UDF_SB_ANCHOR(sb)[3] = 256; 1680 UDF_SB_ANCHOR(sb)[3] = 256;
1566 1681
1567 if (udf_check_valid(sb, uopt.novrs, silent)) /* read volume recognition sequences */ 1682 if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */
1568 {
1569 printk("UDF-fs: No VRS found\n"); 1683 printk("UDF-fs: No VRS found\n");
1570 goto error_out; 1684 goto error_out;
1571 } 1685 }
1572 1686
1573 udf_find_anchor(sb); 1687 udf_find_anchor(sb);
@@ -1579,29 +1693,26 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1579 sb->s_magic = UDF_SUPER_MAGIC; 1693 sb->s_magic = UDF_SUPER_MAGIC;
1580 sb->s_time_gran = 1000; 1694 sb->s_time_gran = 1000;
1581 1695
1582 if (udf_load_partition(sb, &fileset)) 1696 if (udf_load_partition(sb, &fileset)) {
1583 {
1584 printk("UDF-fs: No partition found (1)\n"); 1697 printk("UDF-fs: No partition found (1)\n");
1585 goto error_out; 1698 goto error_out;
1586 } 1699 }
1587 1700
1588 udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb)); 1701 udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb));
1589 1702
1590 if ( UDF_SB_LVIDBH(sb) ) 1703 if (UDF_SB_LVIDBH(sb)) {
1591 { 1704 uint16_t minUDFReadRev =
1592 uint16_t minUDFReadRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev); 1705 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev);
1593 uint16_t minUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev); 1706 uint16_t minUDFWriteRev =
1707 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
1594 /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */ 1708 /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */
1595 1709
1596 if (minUDFReadRev > UDF_MAX_READ_VERSION) 1710 if (minUDFReadRev > UDF_MAX_READ_VERSION) {
1597 {
1598 printk("UDF-fs: minUDFReadRev=%x (max is %x)\n", 1711 printk("UDF-fs: minUDFReadRev=%x (max is %x)\n",
1599 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev), 1712 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev),
1600 UDF_MAX_READ_VERSION); 1713 UDF_MAX_READ_VERSION);
1601 goto error_out; 1714 goto error_out;
1602 } 1715 } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION) {
1603 else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION)
1604 {
1605 sb->s_flags |= MS_RDONLY; 1716 sb->s_flags |= MS_RDONLY;
1606 } 1717 }
1607 1718
@@ -1613,31 +1724,30 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1613 UDF_SET_FLAG(sb, UDF_FLAG_USE_STREAMS); 1724 UDF_SET_FLAG(sb, UDF_FLAG_USE_STREAMS);
1614 } 1725 }
1615 1726
1616 if ( !UDF_SB_NUMPARTS(sb) ) 1727 if (!UDF_SB_NUMPARTS(sb)) {
1617 {
1618 printk("UDF-fs: No partition found (2)\n"); 1728 printk("UDF-fs: No partition found (2)\n");
1619 goto error_out; 1729 goto error_out;
1620 } 1730 }
1621 1731
1622 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) { 1732 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1623 printk("UDF-fs: Partition marked readonly; forcing readonly mount\n"); 1733 UDF_PART_FLAG_READ_ONLY) {
1734 printk
1735 ("UDF-fs: Partition marked readonly; forcing readonly mount\n");
1624 sb->s_flags |= MS_RDONLY; 1736 sb->s_flags |= MS_RDONLY;
1625 } 1737 }
1626 1738
1627 if ( udf_find_fileset(sb, &fileset, &rootdir) ) 1739 if (udf_find_fileset(sb, &fileset, &rootdir)) {
1628 {
1629 printk("UDF-fs: No fileset found\n"); 1740 printk("UDF-fs: No fileset found\n");
1630 goto error_out; 1741 goto error_out;
1631 } 1742 }
1632 1743
1633 if (!silent) 1744 if (!silent) {
1634 {
1635 kernel_timestamp ts; 1745 kernel_timestamp ts;
1636 udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb)); 1746 udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb));
1637 udf_info("UDF %s (%s) Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", 1747 udf_info
1638 UDFFS_VERSION, UDFFS_DATE, 1748 ("UDF %s (%s) Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n",
1639 UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute, 1749 UDFFS_VERSION, UDFFS_DATE, UDF_SB_VOLIDENT(sb), ts.year,
1640 ts.typeAndTimezone); 1750 ts.month, ts.day, ts.hour, ts.minute, ts.typeAndTimezone);
1641 } 1751 }
1642 if (!(sb->s_flags & MS_RDONLY)) 1752 if (!(sb->s_flags & MS_RDONLY))
1643 udf_open_lvid(sb); 1753 udf_open_lvid(sb);
@@ -1645,18 +1755,16 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1645 /* Assign the root inode */ 1755 /* Assign the root inode */
1646 /* assign inodes by physical block number */ 1756 /* assign inodes by physical block number */
1647 /* perhaps it's not extensible enough, but for now ... */ 1757 /* perhaps it's not extensible enough, but for now ... */
1648 inode = udf_iget(sb, rootdir); 1758 inode = udf_iget(sb, rootdir);
1649 if (!inode) 1759 if (!inode) {
1650 {
1651 printk("UDF-fs: Error in udf_iget, block=%d, partition=%d\n", 1760 printk("UDF-fs: Error in udf_iget, block=%d, partition=%d\n",
1652 rootdir.logicalBlockNum, rootdir.partitionReferenceNum); 1761 rootdir.logicalBlockNum, rootdir.partitionReferenceNum);
1653 goto error_out; 1762 goto error_out;
1654 } 1763 }
1655 1764
1656 /* Allocate a dentry for the root inode */ 1765 /* Allocate a dentry for the root inode */
1657 sb->s_root = d_alloc_root(inode); 1766 sb->s_root = d_alloc_root(inode);
1658 if (!sb->s_root) 1767 if (!sb->s_root) {
1659 {
1660 printk("UDF-fs: Couldn't allocate root dentry\n"); 1768 printk("UDF-fs: Couldn't allocate root dentry\n");
1661 iput(inode); 1769 iput(inode);
1662 goto error_out; 1770 goto error_out;
@@ -1664,23 +1772,30 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1664 sb->s_maxbytes = MAX_LFS_FILESIZE; 1772 sb->s_maxbytes = MAX_LFS_FILESIZE;
1665 return 0; 1773 return 0;
1666 1774
1667error_out: 1775 error_out:
1668 if (UDF_SB_VAT(sb)) 1776 if (UDF_SB_VAT(sb))
1669 iput(UDF_SB_VAT(sb)); 1777 iput(UDF_SB_VAT(sb));
1670 if (UDF_SB_NUMPARTS(sb)) 1778 if (UDF_SB_NUMPARTS(sb)) {
1671 { 1779 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1672 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) 1780 UDF_PART_FLAG_UNALLOC_TABLE)
1673 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); 1781 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.
1674 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) 1782 s_table);
1675 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); 1783 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1676 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) 1784 UDF_PART_FLAG_FREED_TABLE)
1677 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_uspace); 1785 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.
1678 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) 1786 s_table);
1679 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_fspace); 1787 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1680 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) 1788 UDF_PART_FLAG_UNALLOC_BITMAP)
1681 { 1789 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace);
1682 for (i=0; i<4; i++) 1790 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1683 brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); 1791 UDF_PART_FLAG_FREED_BITMAP)
1792 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace);
1793 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) ==
1794 UDF_SPARABLE_MAP15) {
1795 for (i = 0; i < 4; i++)
1796 brelse(UDF_SB_TYPESPAR
1797 (sb,
1798 UDF_SB_PARTITION(sb)).s_spar_map[i]);
1684 } 1799 }
1685 } 1800 }
1686#ifdef CONFIG_UDF_NLS 1801#ifdef CONFIG_UDF_NLS
@@ -1697,32 +1812,31 @@ error_out:
1697} 1812}
1698 1813
1699void udf_error(struct super_block *sb, const char *function, 1814void udf_error(struct super_block *sb, const char *function,
1700 const char *fmt, ...) 1815 const char *fmt, ...)
1701{ 1816{
1702 va_list args; 1817 va_list args;
1703 1818
1704 if (!(sb->s_flags & MS_RDONLY)) 1819 if (!(sb->s_flags & MS_RDONLY)) {
1705 {
1706 /* mark sb error */ 1820 /* mark sb error */
1707 sb->s_dirt = 1; 1821 sb->s_dirt = 1;
1708 } 1822 }
1709 va_start(args, fmt); 1823 va_start(args, fmt);
1710 vsnprintf(error_buf, sizeof(error_buf), fmt, args); 1824 vsnprintf(error_buf, sizeof(error_buf), fmt, args);
1711 va_end(args); 1825 va_end(args);
1712 printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n", 1826 printk(KERN_CRIT "UDF-fs error (device %s): %s: %s\n",
1713 sb->s_id, function, error_buf); 1827 sb->s_id, function, error_buf);
1714} 1828}
1715 1829
1716void udf_warning(struct super_block *sb, const char *function, 1830void udf_warning(struct super_block *sb, const char *function,
1717 const char *fmt, ...) 1831 const char *fmt, ...)
1718{ 1832{
1719 va_list args; 1833 va_list args;
1720 1834
1721 va_start (args, fmt); 1835 va_start(args, fmt);
1722 vsnprintf(error_buf, sizeof(error_buf), fmt, args); 1836 vsnprintf(error_buf, sizeof(error_buf), fmt, args);
1723 va_end(args); 1837 va_end(args);
1724 printk(KERN_WARNING "UDF-fs warning (device %s): %s: %s\n", 1838 printk(KERN_WARNING "UDF-fs warning (device %s): %s: %s\n",
1725 sb->s_id, function, error_buf); 1839 sb->s_id, function, error_buf);
1726} 1840}
1727 1841
1728/* 1842/*
@@ -1738,27 +1852,33 @@ void udf_warning(struct super_block *sb, const char *function,
1738 * July 1, 1997 - Andrew E. Mileski 1852 * July 1, 1997 - Andrew E. Mileski
1739 * Written, tested, and released. 1853 * Written, tested, and released.
1740 */ 1854 */
1741static void 1855static void udf_put_super(struct super_block *sb)
1742udf_put_super(struct super_block *sb)
1743{ 1856{
1744 int i; 1857 int i;
1745 1858
1746 if (UDF_SB_VAT(sb)) 1859 if (UDF_SB_VAT(sb))
1747 iput(UDF_SB_VAT(sb)); 1860 iput(UDF_SB_VAT(sb));
1748 if (UDF_SB_NUMPARTS(sb)) 1861 if (UDF_SB_NUMPARTS(sb)) {
1749 { 1862 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1750 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) 1863 UDF_PART_FLAG_UNALLOC_TABLE)
1751 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); 1864 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.
1752 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) 1865 s_table);
1753 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); 1866 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1754 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) 1867 UDF_PART_FLAG_FREED_TABLE)
1755 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_uspace); 1868 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.
1756 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) 1869 s_table);
1757 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_fspace); 1870 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1758 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) 1871 UDF_PART_FLAG_UNALLOC_BITMAP)
1759 { 1872 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace);
1760 for (i=0; i<4; i++) 1873 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1761 brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); 1874 UDF_PART_FLAG_FREED_BITMAP)
1875 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace);
1876 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) ==
1877 UDF_SPARABLE_MAP15) {
1878 for (i = 0; i < 4; i++)
1879 brelse(UDF_SB_TYPESPAR
1880 (sb,
1881 UDF_SB_PARTITION(sb)).s_spar_map[i]);
1762 } 1882 }
1763 } 1883 }
1764#ifdef CONFIG_UDF_NLS 1884#ifdef CONFIG_UDF_NLS
@@ -1786,8 +1906,7 @@ udf_put_super(struct super_block *sb)
1786 * July 1, 1997 - Andrew E. Mileski 1906 * July 1, 1997 - Andrew E. Mileski
1787 * Written, tested, and released. 1907 * Written, tested, and released.
1788 */ 1908 */
1789static int 1909static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
1790udf_statfs(struct dentry *dentry, struct kstatfs *buf)
1791{ 1910{
1792 struct super_block *sb = dentry->d_sb; 1911 struct super_block *sb = dentry->d_sb;
1793 1912
@@ -1797,11 +1916,12 @@ udf_statfs(struct dentry *dentry, struct kstatfs *buf)
1797 buf->f_bfree = udf_count_free(sb); 1916 buf->f_bfree = udf_count_free(sb);
1798 buf->f_bavail = buf->f_bfree; 1917 buf->f_bavail = buf->f_bfree;
1799 buf->f_files = (UDF_SB_LVIDBH(sb) ? 1918 buf->f_files = (UDF_SB_LVIDBH(sb) ?
1800 (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + 1919 (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) +
1801 le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree; 1920 le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) +
1921 buf->f_bfree;
1802 buf->f_ffree = buf->f_bfree; 1922 buf->f_ffree = buf->f_bfree;
1803 /* __kernel_fsid_t f_fsid */ 1923 /* __kernel_fsid_t f_fsid */
1804 buf->f_namelen = UDF_NAME_LEN-2; 1924 buf->f_namelen = UDF_NAME_LEN - 2;
1805 1925
1806 return 0; 1926 return 0;
1807} 1927}
@@ -1830,13 +1950,10 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
1830 loc.partitionReferenceNum = UDF_SB_PARTITION(sb); 1950 loc.partitionReferenceNum = UDF_SB_PARTITION(sb);
1831 bh = udf_read_ptagged(sb, loc, 0, &ident); 1951 bh = udf_read_ptagged(sb, loc, 0, &ident);
1832 1952
1833 if (!bh) 1953 if (!bh) {
1834 {
1835 printk(KERN_ERR "udf: udf_count_free failed\n"); 1954 printk(KERN_ERR "udf: udf_count_free failed\n");
1836 goto out; 1955 goto out;
1837 } 1956 } else if (ident != TAG_IDENT_SBD) {
1838 else if (ident != TAG_IDENT_SBD)
1839 {
1840 brelse(bh); 1957 brelse(bh);
1841 printk(KERN_ERR "udf: udf_count_free failed\n"); 1958 printk(KERN_ERR "udf: udf_count_free failed\n");
1842 goto out; 1959 goto out;
@@ -1844,43 +1961,39 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
1844 1961
1845 bm = (struct spaceBitmapDesc *)bh->b_data; 1962 bm = (struct spaceBitmapDesc *)bh->b_data;
1846 bytes = le32_to_cpu(bm->numOfBytes); 1963 bytes = le32_to_cpu(bm->numOfBytes);
1847 index = sizeof(struct spaceBitmapDesc); /* offset in first block only */ 1964 index = sizeof(struct spaceBitmapDesc); /* offset in first block only */
1848 ptr = (uint8_t *)bh->b_data; 1965 ptr = (uint8_t *) bh->b_data;
1849 1966
1850 while ( bytes > 0 ) 1967 while (bytes > 0) {
1851 { 1968 while ((bytes > 0) && (index < sb->s_blocksize)) {
1852 while ((bytes > 0) && (index < sb->s_blocksize))
1853 {
1854 value = ptr[index]; 1969 value = ptr[index];
1855 accum += udf_bitmap_lookup[ value & 0x0f ]; 1970 accum += udf_bitmap_lookup[value & 0x0f];
1856 accum += udf_bitmap_lookup[ value >> 4 ]; 1971 accum += udf_bitmap_lookup[value >> 4];
1857 index++; 1972 index++;
1858 bytes--; 1973 bytes--;
1859 } 1974 }
1860 if ( bytes ) 1975 if (bytes) {
1861 {
1862 brelse(bh); 1976 brelse(bh);
1863 newblock = udf_get_lb_pblock(sb, loc, ++block); 1977 newblock = udf_get_lb_pblock(sb, loc, ++block);
1864 bh = udf_tread(sb, newblock); 1978 bh = udf_tread(sb, newblock);
1865 if (!bh) 1979 if (!bh) {
1866 {
1867 udf_debug("read failed\n"); 1980 udf_debug("read failed\n");
1868 goto out; 1981 goto out;
1869 } 1982 }
1870 index = 0; 1983 index = 0;
1871 ptr = (uint8_t *)bh->b_data; 1984 ptr = (uint8_t *) bh->b_data;
1872 } 1985 }
1873 } 1986 }
1874 brelse(bh); 1987 brelse(bh);
1875 1988
1876out: 1989 out:
1877 unlock_kernel(); 1990 unlock_kernel();
1878 1991
1879 return accum; 1992 return accum;
1880} 1993}
1881 1994
1882static unsigned int 1995static unsigned int
1883udf_count_free_table(struct super_block *sb, struct inode * table) 1996udf_count_free_table(struct super_block *sb, struct inode *table)
1884{ 1997{
1885 unsigned int accum = 0; 1998 unsigned int accum = 0;
1886 uint32_t elen; 1999 uint32_t elen;
@@ -1902,17 +2015,17 @@ udf_count_free_table(struct super_block *sb, struct inode * table)
1902 2015
1903 return accum; 2016 return accum;
1904} 2017}
1905 2018
1906static unsigned int 2019static unsigned int udf_count_free(struct super_block *sb)
1907udf_count_free(struct super_block *sb)
1908{ 2020{
1909 unsigned int accum = 0; 2021 unsigned int accum = 0;
1910 2022
1911 if (UDF_SB_LVIDBH(sb)) 2023 if (UDF_SB_LVIDBH(sb)) {
1912 { 2024 if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) >
1913 if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb)) 2025 UDF_SB_PARTITION(sb)) {
1914 { 2026 accum =
1915 accum = le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]); 2027 le32_to_cpu(UDF_SB_LVID(sb)->
2028 freeSpaceTable[UDF_SB_PARTITION(sb)]);
1916 2029
1917 if (accum == 0xFFFFFFFF) 2030 if (accum == 0xFFFFFFFF)
1918 accum = 0; 2031 accum = 0;
@@ -1922,28 +2035,40 @@ udf_count_free(struct super_block *sb)
1922 if (accum) 2035 if (accum)
1923 return accum; 2036 return accum;
1924 2037
1925 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) 2038 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1926 { 2039 UDF_PART_FLAG_UNALLOC_BITMAP) {
1927 accum += udf_count_free_bitmap(sb, 2040 accum +=
1928 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap); 2041 udf_count_free_bitmap(sb,
2042 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2043 (sb)].s_uspace.
2044 s_bitmap);
1929 } 2045 }
1930 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) 2046 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1931 { 2047 UDF_PART_FLAG_FREED_BITMAP) {
1932 accum += udf_count_free_bitmap(sb, 2048 accum +=
1933 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap); 2049 udf_count_free_bitmap(sb,
2050 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2051 (sb)].s_fspace.
2052 s_bitmap);
1934 } 2053 }
1935 if (accum) 2054 if (accum)
1936 return accum; 2055 return accum;
1937 2056
1938 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) 2057 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1939 { 2058 UDF_PART_FLAG_UNALLOC_TABLE) {
1940 accum += udf_count_free_table(sb, 2059 accum +=
1941 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); 2060 udf_count_free_table(sb,
2061 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2062 (sb)].s_uspace.
2063 s_table);
1942 } 2064 }
1943 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) 2065 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1944 { 2066 UDF_PART_FLAG_FREED_TABLE) {
1945 accum += udf_count_free_table(sb, 2067 accum +=
1946 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); 2068 udf_count_free_table(sb,
2069 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2070 (sb)].s_fspace.
2071 s_table);
1947 } 2072 }
1948 2073
1949 return accum; 2074 return accum;
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-23 02:27:53 -0400