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15#include <linux/init.h>
16#include <linux/module.h>
17
18#include <linux/slab.h>
19#include <linux/cred.h>
20#include <linux/nls.h>
21#include <linux/ctype.h>
22#include <linux/statfs.h>
23#include <linux/cdrom.h>
24#include <linux/parser.h>
25#include <linux/mpage.h>
26#include <linux/user_namespace.h>
27#include <linux/seq_file.h>
28#include <linux/blkdev.h>
29
30#include "isofs.h"
31#include "zisofs.h"
32
33#define BEQUIET
34
35static int isofs_hashi(const struct dentry *parent, struct qstr *qstr);
36static int isofs_dentry_cmpi(const struct dentry *dentry,
37 unsigned int len, const char *str, const struct qstr *name);
38
39#ifdef CONFIG_JOLIET
40static int isofs_hashi_ms(const struct dentry *parent, struct qstr *qstr);
41static int isofs_hash_ms(const struct dentry *parent, struct qstr *qstr);
42static int isofs_dentry_cmpi_ms(const struct dentry *dentry,
43 unsigned int len, const char *str, const struct qstr *name);
44static int isofs_dentry_cmp_ms(const struct dentry *dentry,
45 unsigned int len, const char *str, const struct qstr *name);
46#endif
47
48static void isofs_put_super(struct super_block *sb)
49{
50 struct isofs_sb_info *sbi = ISOFS_SB(sb);
51
52#ifdef CONFIG_JOLIET
53 unload_nls(sbi->s_nls_iocharset);
54#endif
55
56 kfree(sbi);
57 sb->s_fs_info = NULL;
58 return;
59}
60
61static int isofs_read_inode(struct inode *, int relocated);
62static int isofs_statfs (struct dentry *, struct kstatfs *);
63static int isofs_show_options(struct seq_file *, struct dentry *);
64
65static struct kmem_cache *isofs_inode_cachep;
66
67static struct inode *isofs_alloc_inode(struct super_block *sb)
68{
69 struct iso_inode_info *ei;
70 ei = kmem_cache_alloc(isofs_inode_cachep, GFP_KERNEL);
71 if (!ei)
72 return NULL;
73 return &ei->vfs_inode;
74}
75
76static void isofs_free_inode(struct inode *inode)
77{
78 kmem_cache_free(isofs_inode_cachep, ISOFS_I(inode));
79}
80
81static void init_once(void *foo)
82{
83 struct iso_inode_info *ei = foo;
84
85 inode_init_once(&ei->vfs_inode);
86}
87
88static int __init init_inodecache(void)
89{
90 isofs_inode_cachep = kmem_cache_create("isofs_inode_cache",
91 sizeof(struct iso_inode_info),
92 0, (SLAB_RECLAIM_ACCOUNT|
93 SLAB_MEM_SPREAD|SLAB_ACCOUNT),
94 init_once);
95 if (!isofs_inode_cachep)
96 return -ENOMEM;
97 return 0;
98}
99
100static void destroy_inodecache(void)
101{
102
103
104
105
106 rcu_barrier();
107 kmem_cache_destroy(isofs_inode_cachep);
108}
109
110static int isofs_remount(struct super_block *sb, int *flags, char *data)
111{
112 sync_filesystem(sb);
113 if (!(*flags & SB_RDONLY))
114 return -EROFS;
115 return 0;
116}
117
118static const struct super_operations isofs_sops = {
119 .alloc_inode = isofs_alloc_inode,
120 .free_inode = isofs_free_inode,
121 .put_super = isofs_put_super,
122 .statfs = isofs_statfs,
123 .remount_fs = isofs_remount,
124 .show_options = isofs_show_options,
125};
126
127
128static const struct dentry_operations isofs_dentry_ops[] = {
129 {
130 .d_hash = isofs_hashi,
131 .d_compare = isofs_dentry_cmpi,
132 },
133#ifdef CONFIG_JOLIET
134 {
135 .d_hash = isofs_hash_ms,
136 .d_compare = isofs_dentry_cmp_ms,
137 },
138 {
139 .d_hash = isofs_hashi_ms,
140 .d_compare = isofs_dentry_cmpi_ms,
141 },
142#endif
143};
144
145struct iso9660_options{
146 unsigned int rock:1;
147 unsigned int joliet:1;
148 unsigned int cruft:1;
149 unsigned int hide:1;
150 unsigned int showassoc:1;
151 unsigned int nocompress:1;
152 unsigned int overriderockperm:1;
153 unsigned int uid_set:1;
154 unsigned int gid_set:1;
155 unsigned int utf8:1;
156 unsigned char map;
157 unsigned char check;
158 unsigned int blocksize;
159 umode_t fmode;
160 umode_t dmode;
161 kgid_t gid;
162 kuid_t uid;
163 char *iocharset;
164
165 s32 session;
166 s32 sbsector;
167};
168
169
170
171
172static int
173isofs_hashi_common(const struct dentry *dentry, struct qstr *qstr, int ms)
174{
175 const char *name;
176 int len;
177 char c;
178 unsigned long hash;
179
180 len = qstr->len;
181 name = qstr->name;
182 if (ms) {
183 while (len && name[len-1] == '.')
184 len--;
185 }
186
187 hash = init_name_hash(dentry);
188 while (len--) {
189 c = tolower(*name++);
190 hash = partial_name_hash(c, hash);
191 }
192 qstr->hash = end_name_hash(hash);
193
194 return 0;
195}
196
197
198
199
200static int isofs_dentry_cmp_common(
201 unsigned int len, const char *str,
202 const struct qstr *name, int ms, int ci)
203{
204 int alen, blen;
205
206
207 alen = name->len;
208 blen = len;
209 if (ms) {
210 while (alen && name->name[alen-1] == '.')
211 alen--;
212 while (blen && str[blen-1] == '.')
213 blen--;
214 }
215 if (alen == blen) {
216 if (ci) {
217 if (strncasecmp(name->name, str, alen) == 0)
218 return 0;
219 } else {
220 if (strncmp(name->name, str, alen) == 0)
221 return 0;
222 }
223 }
224 return 1;
225}
226
227static int
228isofs_hashi(const struct dentry *dentry, struct qstr *qstr)
229{
230 return isofs_hashi_common(dentry, qstr, 0);
231}
232
233static int
234isofs_dentry_cmpi(const struct dentry *dentry,
235 unsigned int len, const char *str, const struct qstr *name)
236{
237 return isofs_dentry_cmp_common(len, str, name, 0, 1);
238}
239
240#ifdef CONFIG_JOLIET
241
242
243
244static int
245isofs_hash_common(const struct dentry *dentry, struct qstr *qstr, int ms)
246{
247 const char *name;
248 int len;
249
250 len = qstr->len;
251 name = qstr->name;
252 if (ms) {
253 while (len && name[len-1] == '.')
254 len--;
255 }
256
257 qstr->hash = full_name_hash(dentry, name, len);
258
259 return 0;
260}
261
262static int
263isofs_hash_ms(const struct dentry *dentry, struct qstr *qstr)
264{
265 return isofs_hash_common(dentry, qstr, 1);
266}
267
268static int
269isofs_hashi_ms(const struct dentry *dentry, struct qstr *qstr)
270{
271 return isofs_hashi_common(dentry, qstr, 1);
272}
273
274static int
275isofs_dentry_cmp_ms(const struct dentry *dentry,
276 unsigned int len, const char *str, const struct qstr *name)
277{
278 return isofs_dentry_cmp_common(len, str, name, 1, 0);
279}
280
281static int
282isofs_dentry_cmpi_ms(const struct dentry *dentry,
283 unsigned int len, const char *str, const struct qstr *name)
284{
285 return isofs_dentry_cmp_common(len, str, name, 1, 1);
286}
287#endif
288
289enum {
290 Opt_block, Opt_check_r, Opt_check_s, Opt_cruft, Opt_gid, Opt_ignore,
291 Opt_iocharset, Opt_map_a, Opt_map_n, Opt_map_o, Opt_mode, Opt_nojoliet,
292 Opt_norock, Opt_sb, Opt_session, Opt_uid, Opt_unhide, Opt_utf8, Opt_err,
293 Opt_nocompress, Opt_hide, Opt_showassoc, Opt_dmode, Opt_overriderockperm,
294};
295
296static const match_table_t tokens = {
297 {Opt_norock, "norock"},
298 {Opt_nojoliet, "nojoliet"},
299 {Opt_unhide, "unhide"},
300 {Opt_hide, "hide"},
301 {Opt_showassoc, "showassoc"},
302 {Opt_cruft, "cruft"},
303 {Opt_utf8, "utf8"},
304 {Opt_iocharset, "iocharset=%s"},
305 {Opt_map_a, "map=acorn"},
306 {Opt_map_a, "map=a"},
307 {Opt_map_n, "map=normal"},
308 {Opt_map_n, "map=n"},
309 {Opt_map_o, "map=off"},
310 {Opt_map_o, "map=o"},
311 {Opt_session, "session=%u"},
312 {Opt_sb, "sbsector=%u"},
313 {Opt_check_r, "check=relaxed"},
314 {Opt_check_r, "check=r"},
315 {Opt_check_s, "check=strict"},
316 {Opt_check_s, "check=s"},
317 {Opt_uid, "uid=%u"},
318 {Opt_gid, "gid=%u"},
319 {Opt_mode, "mode=%u"},
320 {Opt_dmode, "dmode=%u"},
321 {Opt_overriderockperm, "overriderockperm"},
322 {Opt_block, "block=%u"},
323 {Opt_ignore, "conv=binary"},
324 {Opt_ignore, "conv=b"},
325 {Opt_ignore, "conv=text"},
326 {Opt_ignore, "conv=t"},
327 {Opt_ignore, "conv=mtext"},
328 {Opt_ignore, "conv=m"},
329 {Opt_ignore, "conv=auto"},
330 {Opt_ignore, "conv=a"},
331 {Opt_nocompress, "nocompress"},
332 {Opt_err, NULL}
333};
334
335static int parse_options(char *options, struct iso9660_options *popt)
336{
337 char *p;
338 int option;
339
340 popt->map = 'n';
341 popt->rock = 1;
342 popt->joliet = 1;
343 popt->cruft = 0;
344 popt->hide = 0;
345 popt->showassoc = 0;
346 popt->check = 'u';
347 popt->nocompress = 0;
348 popt->blocksize = 1024;
349 popt->fmode = popt->dmode = ISOFS_INVALID_MODE;
350 popt->uid_set = 0;
351 popt->gid_set = 0;
352 popt->gid = GLOBAL_ROOT_GID;
353 popt->uid = GLOBAL_ROOT_UID;
354 popt->iocharset = NULL;
355 popt->utf8 = 0;
356 popt->overriderockperm = 0;
357 popt->session=-1;
358 popt->sbsector=-1;
359 if (!options)
360 return 1;
361
362 while ((p = strsep(&options, ",")) != NULL) {
363 int token;
364 substring_t args[MAX_OPT_ARGS];
365 unsigned n;
366
367 if (!*p)
368 continue;
369
370 token = match_token(p, tokens, args);
371 switch (token) {
372 case Opt_norock:
373 popt->rock = 0;
374 break;
375 case Opt_nojoliet:
376 popt->joliet = 0;
377 break;
378 case Opt_hide:
379 popt->hide = 1;
380 break;
381 case Opt_unhide:
382 case Opt_showassoc:
383 popt->showassoc = 1;
384 break;
385 case Opt_cruft:
386 popt->cruft = 1;
387 break;
388 case Opt_utf8:
389 popt->utf8 = 1;
390 break;
391#ifdef CONFIG_JOLIET
392 case Opt_iocharset:
393 kfree(popt->iocharset);
394 popt->iocharset = match_strdup(&args[0]);
395 if (!popt->iocharset)
396 return 0;
397 break;
398#endif
399 case Opt_map_a:
400 popt->map = 'a';
401 break;
402 case Opt_map_o:
403 popt->map = 'o';
404 break;
405 case Opt_map_n:
406 popt->map = 'n';
407 break;
408 case Opt_session:
409 if (match_int(&args[0], &option))
410 return 0;
411 n = option;
412
413
414
415
416 if (n >= 99)
417 return 0;
418 popt->session = n + 1;
419 break;
420 case Opt_sb:
421 if (match_int(&args[0], &option))
422 return 0;
423 popt->sbsector = option;
424 break;
425 case Opt_check_r:
426 popt->check = 'r';
427 break;
428 case Opt_check_s:
429 popt->check = 's';
430 break;
431 case Opt_ignore:
432 break;
433 case Opt_uid:
434 if (match_int(&args[0], &option))
435 return 0;
436 popt->uid = make_kuid(current_user_ns(), option);
437 if (!uid_valid(popt->uid))
438 return 0;
439 popt->uid_set = 1;
440 break;
441 case Opt_gid:
442 if (match_int(&args[0], &option))
443 return 0;
444 popt->gid = make_kgid(current_user_ns(), option);
445 if (!gid_valid(popt->gid))
446 return 0;
447 popt->gid_set = 1;
448 break;
449 case Opt_mode:
450 if (match_int(&args[0], &option))
451 return 0;
452 popt->fmode = option;
453 break;
454 case Opt_dmode:
455 if (match_int(&args[0], &option))
456 return 0;
457 popt->dmode = option;
458 break;
459 case Opt_overriderockperm:
460 popt->overriderockperm = 1;
461 break;
462 case Opt_block:
463 if (match_int(&args[0], &option))
464 return 0;
465 n = option;
466 if (n != 512 && n != 1024 && n != 2048)
467 return 0;
468 popt->blocksize = n;
469 break;
470 case Opt_nocompress:
471 popt->nocompress = 1;
472 break;
473 default:
474 return 0;
475 }
476 }
477 return 1;
478}
479
480
481
482
483static int isofs_show_options(struct seq_file *m, struct dentry *root)
484{
485 struct isofs_sb_info *sbi = ISOFS_SB(root->d_sb);
486
487 if (!sbi->s_rock) seq_puts(m, ",norock");
488 else if (!sbi->s_joliet_level) seq_puts(m, ",nojoliet");
489 if (sbi->s_cruft) seq_puts(m, ",cruft");
490 if (sbi->s_hide) seq_puts(m, ",hide");
491 if (sbi->s_nocompress) seq_puts(m, ",nocompress");
492 if (sbi->s_overriderockperm) seq_puts(m, ",overriderockperm");
493 if (sbi->s_showassoc) seq_puts(m, ",showassoc");
494 if (sbi->s_utf8) seq_puts(m, ",utf8");
495
496 if (sbi->s_check) seq_printf(m, ",check=%c", sbi->s_check);
497 if (sbi->s_mapping) seq_printf(m, ",map=%c", sbi->s_mapping);
498 if (sbi->s_session != 255) seq_printf(m, ",session=%u", sbi->s_session - 1);
499 if (sbi->s_sbsector != -1) seq_printf(m, ",sbsector=%u", sbi->s_sbsector);
500
501 if (root->d_sb->s_blocksize != 1024)
502 seq_printf(m, ",blocksize=%lu", root->d_sb->s_blocksize);
503
504 if (sbi->s_uid_set)
505 seq_printf(m, ",uid=%u",
506 from_kuid_munged(&init_user_ns, sbi->s_uid));
507 if (sbi->s_gid_set)
508 seq_printf(m, ",gid=%u",
509 from_kgid_munged(&init_user_ns, sbi->s_gid));
510
511 if (sbi->s_dmode != ISOFS_INVALID_MODE)
512 seq_printf(m, ",dmode=%o", sbi->s_dmode);
513 if (sbi->s_fmode != ISOFS_INVALID_MODE)
514 seq_printf(m, ",fmode=%o", sbi->s_fmode);
515
516#ifdef CONFIG_JOLIET
517 if (sbi->s_nls_iocharset &&
518 strcmp(sbi->s_nls_iocharset->charset, CONFIG_NLS_DEFAULT) != 0)
519 seq_printf(m, ",iocharset=%s", sbi->s_nls_iocharset->charset);
520#endif
521 return 0;
522}
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540#define WE_OBEY_THE_WRITTEN_STANDARDS 1
541
542static unsigned int isofs_get_last_session(struct super_block *sb, s32 session)
543{
544 struct cdrom_multisession ms_info;
545 unsigned int vol_desc_start;
546 struct block_device *bdev = sb->s_bdev;
547 int i;
548
549 vol_desc_start=0;
550 ms_info.addr_format=CDROM_LBA;
551 if (session > 0) {
552 struct cdrom_tocentry Te;
553 Te.cdte_track=session;
554 Te.cdte_format=CDROM_LBA;
555 i = ioctl_by_bdev(bdev, CDROMREADTOCENTRY, (unsigned long) &Te);
556 if (!i) {
557 printk(KERN_DEBUG "ISOFS: Session %d start %d type %d\n",
558 session, Te.cdte_addr.lba,
559 Te.cdte_ctrl&CDROM_DATA_TRACK);
560 if ((Te.cdte_ctrl&CDROM_DATA_TRACK) == 4)
561 return Te.cdte_addr.lba;
562 }
563
564 printk(KERN_ERR "ISOFS: Invalid session number or type of track\n");
565 }
566 i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long) &ms_info);
567 if (session > 0)
568 printk(KERN_ERR "ISOFS: Invalid session number\n");
569#if 0
570 printk(KERN_DEBUG "isofs.inode: CDROMMULTISESSION: rc=%d\n",i);
571 if (i==0) {
572 printk(KERN_DEBUG "isofs.inode: XA disk: %s\n",ms_info.xa_flag?"yes":"no");
573 printk(KERN_DEBUG "isofs.inode: vol_desc_start = %d\n", ms_info.addr.lba);
574 }
575#endif
576 if (i==0)
577#if WE_OBEY_THE_WRITTEN_STANDARDS
578 if (ms_info.xa_flag)
579#endif
580 vol_desc_start=ms_info.addr.lba;
581 return vol_desc_start;
582}
583
584
585
586
587
588
589
590
591static bool rootdir_empty(struct super_block *sb, unsigned long block)
592{
593 int offset = 0, files = 0, de_len;
594 struct iso_directory_record *de;
595 struct buffer_head *bh;
596
597 bh = sb_bread(sb, block);
598 if (!bh)
599 return true;
600 while (files < 3) {
601 de = (struct iso_directory_record *) (bh->b_data + offset);
602 de_len = *(unsigned char *) de;
603 if (de_len == 0)
604 break;
605 files++;
606 offset += de_len;
607 }
608 brelse(bh);
609 return files < 3;
610}
611
612
613
614
615
616
617
618static int isofs_fill_super(struct super_block *s, void *data, int silent)
619{
620 struct buffer_head *bh = NULL, *pri_bh = NULL;
621 struct hs_primary_descriptor *h_pri = NULL;
622 struct iso_primary_descriptor *pri = NULL;
623 struct iso_supplementary_descriptor *sec = NULL;
624 struct iso_directory_record *rootp;
625 struct inode *inode;
626 struct iso9660_options opt;
627 struct isofs_sb_info *sbi;
628 unsigned long first_data_zone;
629 int joliet_level = 0;
630 int iso_blknum, block;
631 int orig_zonesize;
632 int table, error = -EINVAL;
633 unsigned int vol_desc_start;
634
635 sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
636 if (!sbi)
637 return -ENOMEM;
638 s->s_fs_info = sbi;
639
640 if (!parse_options((char *)data, &opt))
641 goto out_freesbi;
642
643
644
645
646
647
648
649
650
651
652 if (bdev_logical_block_size(s->s_bdev) > 2048) {
653 printk(KERN_WARNING
654 "ISOFS: unsupported/invalid hardware sector size %d\n",
655 bdev_logical_block_size(s->s_bdev));
656 goto out_freesbi;
657 }
658 opt.blocksize = sb_min_blocksize(s, opt.blocksize);
659
660 sbi->s_high_sierra = 0;
661 sbi->s_session = opt.session;
662 sbi->s_sbsector = opt.sbsector;
663
664 vol_desc_start = (opt.sbsector != -1) ?
665 opt.sbsector : isofs_get_last_session(s,opt.session);
666
667 for (iso_blknum = vol_desc_start+16;
668 iso_blknum < vol_desc_start+100; iso_blknum++) {
669 struct hs_volume_descriptor *hdp;
670 struct iso_volume_descriptor *vdp;
671
672 block = iso_blknum << (ISOFS_BLOCK_BITS - s->s_blocksize_bits);
673 if (!(bh = sb_bread(s, block)))
674 goto out_no_read;
675
676 vdp = (struct iso_volume_descriptor *)bh->b_data;
677 hdp = (struct hs_volume_descriptor *)bh->b_data;
678
679
680
681
682
683
684 if (strncmp (vdp->id, ISO_STANDARD_ID, sizeof vdp->id) == 0) {
685 if (isonum_711(vdp->type) == ISO_VD_END)
686 break;
687 if (isonum_711(vdp->type) == ISO_VD_PRIMARY) {
688 if (!pri) {
689 pri = (struct iso_primary_descriptor *)vdp;
690
691 pri_bh = bh;
692 bh = NULL;
693 }
694 }
695#ifdef CONFIG_JOLIET
696 else if (isonum_711(vdp->type) == ISO_VD_SUPPLEMENTARY) {
697 sec = (struct iso_supplementary_descriptor *)vdp;
698 if (sec->escape[0] == 0x25 && sec->escape[1] == 0x2f) {
699 if (opt.joliet) {
700 if (sec->escape[2] == 0x40)
701 joliet_level = 1;
702 else if (sec->escape[2] == 0x43)
703 joliet_level = 2;
704 else if (sec->escape[2] == 0x45)
705 joliet_level = 3;
706
707 printk(KERN_DEBUG "ISO 9660 Extensions: "
708 "Microsoft Joliet Level %d\n",
709 joliet_level);
710 }
711 goto root_found;
712 } else {
713
714 sec = NULL;
715 }
716 }
717#endif
718 } else {
719 if (strncmp (hdp->id, HS_STANDARD_ID, sizeof hdp->id) == 0) {
720 if (isonum_711(hdp->type) != ISO_VD_PRIMARY)
721 goto out_freebh;
722
723 sbi->s_high_sierra = 1;
724 opt.rock = 0;
725 h_pri = (struct hs_primary_descriptor *)vdp;
726 goto root_found;
727 }
728 }
729
730
731
732 brelse(bh);
733 bh = NULL;
734 }
735
736
737
738
739 if (!pri)
740 goto out_unknown_format;
741 brelse(bh);
742 bh = pri_bh;
743 pri_bh = NULL;
744
745root_found:
746
747 if (!sb_rdonly(s)) {
748 error = -EACCES;
749 goto out_freebh;
750 }
751
752 if (joliet_level && (!pri || !opt.rock)) {
753
754
755
756 pri = (struct iso_primary_descriptor *) sec;
757 }
758
759 if(sbi->s_high_sierra){
760 rootp = (struct iso_directory_record *) h_pri->root_directory_record;
761 sbi->s_nzones = isonum_733(h_pri->volume_space_size);
762 sbi->s_log_zone_size = isonum_723(h_pri->logical_block_size);
763 sbi->s_max_size = isonum_733(h_pri->volume_space_size);
764 } else {
765 if (!pri)
766 goto out_freebh;
767 rootp = (struct iso_directory_record *) pri->root_directory_record;
768 sbi->s_nzones = isonum_733(pri->volume_space_size);
769 sbi->s_log_zone_size = isonum_723(pri->logical_block_size);
770 sbi->s_max_size = isonum_733(pri->volume_space_size);
771 }
772
773 sbi->s_ninodes = 0;
774
775 orig_zonesize = sbi->s_log_zone_size;
776
777
778
779
780
781
782
783 if (orig_zonesize < opt.blocksize)
784 goto out_bad_size;
785
786
787 switch (sbi->s_log_zone_size) {
788 case 512: sbi->s_log_zone_size = 9; break;
789 case 1024: sbi->s_log_zone_size = 10; break;
790 case 2048: sbi->s_log_zone_size = 11; break;
791
792 default:
793 goto out_bad_zone_size;
794 }
795
796 s->s_magic = ISOFS_SUPER_MAGIC;
797
798
799
800
801
802 s->s_maxbytes = 0x80000000000LL;
803
804
805
806
807 first_data_zone = isonum_733(rootp->extent) +
808 isonum_711(rootp->ext_attr_length);
809 sbi->s_firstdatazone = first_data_zone;
810#ifndef BEQUIET
811 printk(KERN_DEBUG "ISOFS: Max size:%ld Log zone size:%ld\n",
812 sbi->s_max_size, 1UL << sbi->s_log_zone_size);
813 printk(KERN_DEBUG "ISOFS: First datazone:%ld\n", sbi->s_firstdatazone);
814 if(sbi->s_high_sierra)
815 printk(KERN_DEBUG "ISOFS: Disc in High Sierra format.\n");
816#endif
817
818
819
820
821
822
823
824
825
826 if (joliet_level) {
827 pri = (struct iso_primary_descriptor *) sec;
828 rootp = (struct iso_directory_record *)
829 pri->root_directory_record;
830 first_data_zone = isonum_733(rootp->extent) +
831 isonum_711(rootp->ext_attr_length);
832 }
833
834
835
836
837
838 brelse(pri_bh);
839 brelse(bh);
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858 sb_set_blocksize(s, orig_zonesize);
859
860 sbi->s_nls_iocharset = NULL;
861
862#ifdef CONFIG_JOLIET
863 if (joliet_level && opt.utf8 == 0) {
864 char *p = opt.iocharset ? opt.iocharset : CONFIG_NLS_DEFAULT;
865 sbi->s_nls_iocharset = load_nls(p);
866 if (! sbi->s_nls_iocharset) {
867
868 if (opt.iocharset)
869 goto out_freesbi;
870 sbi->s_nls_iocharset = load_nls_default();
871 }
872 }
873#endif
874 s->s_op = &isofs_sops;
875 s->s_export_op = &isofs_export_ops;
876 sbi->s_mapping = opt.map;
877 sbi->s_rock = (opt.rock ? 2 : 0);
878 sbi->s_rock_offset = -1;
879 sbi->s_cruft = opt.cruft;
880 sbi->s_hide = opt.hide;
881 sbi->s_showassoc = opt.showassoc;
882 sbi->s_uid = opt.uid;
883 sbi->s_gid = opt.gid;
884 sbi->s_uid_set = opt.uid_set;
885 sbi->s_gid_set = opt.gid_set;
886 sbi->s_utf8 = opt.utf8;
887 sbi->s_nocompress = opt.nocompress;
888 sbi->s_overriderockperm = opt.overriderockperm;
889
890
891
892
893
894 if (opt.fmode != ISOFS_INVALID_MODE)
895 sbi->s_fmode = opt.fmode & 0777;
896 else
897 sbi->s_fmode = ISOFS_INVALID_MODE;
898 if (opt.dmode != ISOFS_INVALID_MODE)
899 sbi->s_dmode = opt.dmode & 0777;
900 else
901 sbi->s_dmode = ISOFS_INVALID_MODE;
902
903
904
905
906
907
908 inode = isofs_iget(s, sbi->s_firstdatazone, 0);
909 if (IS_ERR(inode))
910 goto out_no_root;
911
912
913
914
915
916 if (sbi->s_rock == 1 && joliet_level &&
917 rootdir_empty(s, sbi->s_firstdatazone)) {
918 printk(KERN_NOTICE
919 "ISOFS: primary root directory is empty. "
920 "Disabling Rock Ridge and switching to Joliet.");
921 sbi->s_rock = 0;
922 }
923
924
925
926
927
928
929
930
931
932 if (sbi->s_rock == 1) {
933 joliet_level = 0;
934 } else if (joliet_level) {
935 sbi->s_rock = 0;
936 if (sbi->s_firstdatazone != first_data_zone) {
937 sbi->s_firstdatazone = first_data_zone;
938 printk(KERN_DEBUG
939 "ISOFS: changing to secondary root\n");
940 iput(inode);
941 inode = isofs_iget(s, sbi->s_firstdatazone, 0);
942 if (IS_ERR(inode))
943 goto out_no_root;
944 }
945 }
946
947 if (opt.check == 'u') {
948
949 if (joliet_level)
950 opt.check = 'r';
951 else
952 opt.check = 's';
953 }
954 sbi->s_joliet_level = joliet_level;
955
956
957 if (!S_ISDIR(inode->i_mode)) {
958 printk(KERN_WARNING
959 "isofs_fill_super: root inode is not a directory. "
960 "Corrupted media?\n");
961 goto out_iput;
962 }
963
964 table = 0;
965 if (joliet_level)
966 table += 2;
967 if (opt.check == 'r')
968 table++;
969 sbi->s_check = opt.check;
970
971 if (table)
972 s->s_d_op = &isofs_dentry_ops[table - 1];
973
974
975 s->s_root = d_make_root(inode);
976 if (!(s->s_root)) {
977 error = -ENOMEM;
978 goto out_no_inode;
979 }
980
981 kfree(opt.iocharset);
982
983 return 0;
984
985
986
987
988out_iput:
989 iput(inode);
990 goto out_no_inode;
991out_no_root:
992 error = PTR_ERR(inode);
993 if (error != -ENOMEM)
994 printk(KERN_WARNING "%s: get root inode failed\n", __func__);
995out_no_inode:
996#ifdef CONFIG_JOLIET
997 unload_nls(sbi->s_nls_iocharset);
998#endif
999 goto out_freesbi;
1000out_no_read:
1001 printk(KERN_WARNING "%s: bread failed, dev=%s, iso_blknum=%d, block=%d\n",
1002 __func__, s->s_id, iso_blknum, block);
1003 goto out_freebh;
1004out_bad_zone_size:
1005 printk(KERN_WARNING "ISOFS: Bad logical zone size %ld\n",
1006 sbi->s_log_zone_size);
1007 goto out_freebh;
1008out_bad_size:
1009 printk(KERN_WARNING "ISOFS: Logical zone size(%d) < hardware blocksize(%u)\n",
1010 orig_zonesize, opt.blocksize);
1011 goto out_freebh;
1012out_unknown_format:
1013 if (!silent)
1014 printk(KERN_WARNING "ISOFS: Unable to identify CD-ROM format.\n");
1015
1016out_freebh:
1017 brelse(bh);
1018 brelse(pri_bh);
1019out_freesbi:
1020 kfree(opt.iocharset);
1021 kfree(sbi);
1022 s->s_fs_info = NULL;
1023 return error;
1024}
1025
1026static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
1027{
1028 struct super_block *sb = dentry->d_sb;
1029 u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
1030
1031 buf->f_type = ISOFS_SUPER_MAGIC;
1032 buf->f_bsize = sb->s_blocksize;
1033 buf->f_blocks = (ISOFS_SB(sb)->s_nzones
1034 << (ISOFS_SB(sb)->s_log_zone_size - sb->s_blocksize_bits));
1035 buf->f_bfree = 0;
1036 buf->f_bavail = 0;
1037 buf->f_files = ISOFS_SB(sb)->s_ninodes;
1038 buf->f_ffree = 0;
1039 buf->f_fsid.val[0] = (u32)id;
1040 buf->f_fsid.val[1] = (u32)(id >> 32);
1041 buf->f_namelen = NAME_MAX;
1042 return 0;
1043}
1044
1045
1046
1047
1048
1049
1050int isofs_get_blocks(struct inode *inode, sector_t iblock,
1051 struct buffer_head **bh, unsigned long nblocks)
1052{
1053 unsigned long b_off = iblock;
1054 unsigned offset, sect_size;
1055 unsigned int firstext;
1056 unsigned long nextblk, nextoff;
1057 int section, rv, error;
1058 struct iso_inode_info *ei = ISOFS_I(inode);
1059
1060 error = -EIO;
1061 rv = 0;
1062 if (iblock != b_off) {
1063 printk(KERN_DEBUG "%s: block number too large\n", __func__);
1064 goto abort;
1065 }
1066
1067
1068 offset = 0;
1069 firstext = ei->i_first_extent;
1070 sect_size = ei->i_section_size >> ISOFS_BUFFER_BITS(inode);
1071 nextblk = ei->i_next_section_block;
1072 nextoff = ei->i_next_section_offset;
1073 section = 0;
1074
1075 while (nblocks) {
1076
1077
1078
1079
1080
1081
1082
1083 if (b_off > ((inode->i_size + PAGE_SIZE - 1) >> ISOFS_BUFFER_BITS(inode))) {
1084 printk(KERN_DEBUG "%s: block >= EOF (%lu, %llu)\n",
1085 __func__, b_off,
1086 (unsigned long long)inode->i_size);
1087 goto abort;
1088 }
1089
1090
1091
1092
1093
1094 while (nextblk && (b_off >= (offset + sect_size))) {
1095 struct inode *ninode;
1096
1097 offset += sect_size;
1098 ninode = isofs_iget(inode->i_sb, nextblk, nextoff);
1099 if (IS_ERR(ninode)) {
1100 error = PTR_ERR(ninode);
1101 goto abort;
1102 }
1103 firstext = ISOFS_I(ninode)->i_first_extent;
1104 sect_size = ISOFS_I(ninode)->i_section_size >> ISOFS_BUFFER_BITS(ninode);
1105 nextblk = ISOFS_I(ninode)->i_next_section_block;
1106 nextoff = ISOFS_I(ninode)->i_next_section_offset;
1107 iput(ninode);
1108
1109 if (++section > 100) {
1110 printk(KERN_DEBUG "%s: More than 100 file sections ?!?"
1111 " aborting...\n", __func__);
1112 printk(KERN_DEBUG "%s: block=%lu firstext=%u sect_size=%u "
1113 "nextblk=%lu nextoff=%lu\n", __func__,
1114 b_off, firstext, (unsigned) sect_size,
1115 nextblk, nextoff);
1116 goto abort;
1117 }
1118 }
1119
1120 if (*bh) {
1121 map_bh(*bh, inode->i_sb, firstext + b_off - offset);
1122 } else {
1123 *bh = sb_getblk(inode->i_sb, firstext+b_off-offset);
1124 if (!*bh)
1125 goto abort;
1126 }
1127 bh++;
1128 b_off++;
1129 nblocks--;
1130 rv++;
1131 }
1132
1133 error = 0;
1134abort:
1135 return rv != 0 ? rv : error;
1136}
1137
1138
1139
1140
1141static int isofs_get_block(struct inode *inode, sector_t iblock,
1142 struct buffer_head *bh_result, int create)
1143{
1144 int ret;
1145
1146 if (create) {
1147 printk(KERN_DEBUG "%s: Kernel tries to allocate a block\n", __func__);
1148 return -EROFS;
1149 }
1150
1151 ret = isofs_get_blocks(inode, iblock, &bh_result, 1);
1152 return ret < 0 ? ret : 0;
1153}
1154
1155static int isofs_bmap(struct inode *inode, sector_t block)
1156{
1157 struct buffer_head dummy;
1158 int error;
1159
1160 dummy.b_state = 0;
1161 dummy.b_blocknr = -1000;
1162 error = isofs_get_block(inode, block, &dummy, 0);
1163 if (!error)
1164 return dummy.b_blocknr;
1165 return 0;
1166}
1167
1168struct buffer_head *isofs_bread(struct inode *inode, sector_t block)
1169{
1170 sector_t blknr = isofs_bmap(inode, block);
1171 if (!blknr)
1172 return NULL;
1173 return sb_bread(inode->i_sb, blknr);
1174}
1175
1176static int isofs_readpage(struct file *file, struct page *page)
1177{
1178 return mpage_readpage(page, isofs_get_block);
1179}
1180
1181static int isofs_readpages(struct file *file, struct address_space *mapping,
1182 struct list_head *pages, unsigned nr_pages)
1183{
1184 return mpage_readpages(mapping, pages, nr_pages, isofs_get_block);
1185}
1186
1187static sector_t _isofs_bmap(struct address_space *mapping, sector_t block)
1188{
1189 return generic_block_bmap(mapping,block,isofs_get_block);
1190}
1191
1192static const struct address_space_operations isofs_aops = {
1193 .readpage = isofs_readpage,
1194 .readpages = isofs_readpages,
1195 .bmap = _isofs_bmap
1196};
1197
1198static int isofs_read_level3_size(struct inode *inode)
1199{
1200 unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
1201 int high_sierra = ISOFS_SB(inode->i_sb)->s_high_sierra;
1202 struct buffer_head *bh = NULL;
1203 unsigned long block, offset, block_saved, offset_saved;
1204 int i = 0;
1205 int more_entries = 0;
1206 struct iso_directory_record *tmpde = NULL;
1207 struct iso_inode_info *ei = ISOFS_I(inode);
1208
1209 inode->i_size = 0;
1210
1211
1212
1213
1214 ei->i_next_section_block = 0;
1215 ei->i_next_section_offset = 0;
1216
1217 block = ei->i_iget5_block;
1218 offset = ei->i_iget5_offset;
1219
1220 do {
1221 struct iso_directory_record *de;
1222 unsigned int de_len;
1223
1224 if (!bh) {
1225 bh = sb_bread(inode->i_sb, block);
1226 if (!bh)
1227 goto out_noread;
1228 }
1229 de = (struct iso_directory_record *) (bh->b_data + offset);
1230 de_len = *(unsigned char *) de;
1231
1232 if (de_len == 0) {
1233 brelse(bh);
1234 bh = NULL;
1235 ++block;
1236 offset = 0;
1237 continue;
1238 }
1239
1240 block_saved = block;
1241 offset_saved = offset;
1242 offset += de_len;
1243
1244
1245 if (offset >= bufsize) {
1246 int slop = bufsize - offset + de_len;
1247 if (!tmpde) {
1248 tmpde = kmalloc(256, GFP_KERNEL);
1249 if (!tmpde)
1250 goto out_nomem;
1251 }
1252 memcpy(tmpde, de, slop);
1253 offset &= bufsize - 1;
1254 block++;
1255 brelse(bh);
1256 bh = NULL;
1257 if (offset) {
1258 bh = sb_bread(inode->i_sb, block);
1259 if (!bh)
1260 goto out_noread;
1261 memcpy((void *)tmpde+slop, bh->b_data, offset);
1262 }
1263 de = tmpde;
1264 }
1265
1266 inode->i_size += isonum_733(de->size);
1267 if (i == 1) {
1268 ei->i_next_section_block = block_saved;
1269 ei->i_next_section_offset = offset_saved;
1270 }
1271
1272 more_entries = de->flags[-high_sierra] & 0x80;
1273
1274 i++;
1275 if (i > 100)
1276 goto out_toomany;
1277 } while (more_entries);
1278out:
1279 kfree(tmpde);
1280 if (bh)
1281 brelse(bh);
1282 return 0;
1283
1284out_nomem:
1285 if (bh)
1286 brelse(bh);
1287 return -ENOMEM;
1288
1289out_noread:
1290 printk(KERN_INFO "ISOFS: unable to read i-node block %lu\n", block);
1291 kfree(tmpde);
1292 return -EIO;
1293
1294out_toomany:
1295 printk(KERN_INFO "%s: More than 100 file sections ?!?, aborting...\n"
1296 "isofs_read_level3_size: inode=%lu\n",
1297 __func__, inode->i_ino);
1298 goto out;
1299}
1300
1301static int isofs_read_inode(struct inode *inode, int relocated)
1302{
1303 struct super_block *sb = inode->i_sb;
1304 struct isofs_sb_info *sbi = ISOFS_SB(sb);
1305 unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
1306 unsigned long block;
1307 int high_sierra = sbi->s_high_sierra;
1308 struct buffer_head *bh;
1309 struct iso_directory_record *de;
1310 struct iso_directory_record *tmpde = NULL;
1311 unsigned int de_len;
1312 unsigned long offset;
1313 struct iso_inode_info *ei = ISOFS_I(inode);
1314 int ret = -EIO;
1315
1316 block = ei->i_iget5_block;
1317 bh = sb_bread(inode->i_sb, block);
1318 if (!bh)
1319 goto out_badread;
1320
1321 offset = ei->i_iget5_offset;
1322
1323 de = (struct iso_directory_record *) (bh->b_data + offset);
1324 de_len = *(unsigned char *) de;
1325
1326 if (offset + de_len > bufsize) {
1327 int frag1 = bufsize - offset;
1328
1329 tmpde = kmalloc(de_len, GFP_KERNEL);
1330 if (!tmpde) {
1331 ret = -ENOMEM;
1332 goto fail;
1333 }
1334 memcpy(tmpde, bh->b_data + offset, frag1);
1335 brelse(bh);
1336 bh = sb_bread(inode->i_sb, ++block);
1337 if (!bh)
1338 goto out_badread;
1339 memcpy((char *)tmpde+frag1, bh->b_data, de_len - frag1);
1340 de = tmpde;
1341 }
1342
1343 inode->i_ino = isofs_get_ino(ei->i_iget5_block,
1344 ei->i_iget5_offset,
1345 ISOFS_BUFFER_BITS(inode));
1346
1347
1348 ei->i_file_format = isofs_file_normal;
1349
1350 if (de->flags[-high_sierra] & 2) {
1351 if (sbi->s_dmode != ISOFS_INVALID_MODE)
1352 inode->i_mode = S_IFDIR | sbi->s_dmode;
1353 else
1354 inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
1355 set_nlink(inode, 1);
1356
1357
1358
1359
1360
1361
1362 } else {
1363 if (sbi->s_fmode != ISOFS_INVALID_MODE) {
1364 inode->i_mode = S_IFREG | sbi->s_fmode;
1365 } else {
1366
1367
1368
1369
1370
1371 inode->i_mode = S_IFREG | S_IRUGO | S_IXUGO;
1372 }
1373 set_nlink(inode, 1);
1374 }
1375 inode->i_uid = sbi->s_uid;
1376 inode->i_gid = sbi->s_gid;
1377 inode->i_blocks = 0;
1378
1379 ei->i_format_parm[0] = 0;
1380 ei->i_format_parm[1] = 0;
1381 ei->i_format_parm[2] = 0;
1382
1383 ei->i_section_size = isonum_733(de->size);
1384 if (de->flags[-high_sierra] & 0x80) {
1385 ret = isofs_read_level3_size(inode);
1386 if (ret < 0)
1387 goto fail;
1388 ret = -EIO;
1389 } else {
1390 ei->i_next_section_block = 0;
1391 ei->i_next_section_offset = 0;
1392 inode->i_size = isonum_733(de->size);
1393 }
1394
1395
1396
1397
1398
1399
1400
1401 if (sbi->s_cruft)
1402 inode->i_size &= 0x00ffffff;
1403
1404 if (de->interleave[0]) {
1405 printk(KERN_DEBUG "ISOFS: Interleaved files not (yet) supported.\n");
1406 inode->i_size = 0;
1407 }
1408
1409
1410
1411 if (de->file_unit_size[0] != 0) {
1412 printk(KERN_DEBUG "ISOFS: File unit size != 0 for ISO file (%ld).\n",
1413 inode->i_ino);
1414 }
1415
1416
1417
1418#ifdef DEBUG
1419 if((de->flags[-high_sierra] & ~2)!= 0){
1420 printk(KERN_DEBUG "ISOFS: Unusual flag settings for ISO file "
1421 "(%ld %x).\n",
1422 inode->i_ino, de->flags[-high_sierra]);
1423 }
1424#endif
1425
1426 inode->i_mtime.tv_sec =
1427 inode->i_atime.tv_sec =
1428 inode->i_ctime.tv_sec = iso_date(de->date, high_sierra);
1429 inode->i_mtime.tv_nsec =
1430 inode->i_atime.tv_nsec =
1431 inode->i_ctime.tv_nsec = 0;
1432
1433 ei->i_first_extent = (isonum_733(de->extent) +
1434 isonum_711(de->ext_attr_length));
1435
1436
1437 inode->i_blocks = (inode->i_size + 511) >> 9;
1438
1439
1440
1441
1442
1443
1444 if (!high_sierra) {
1445 parse_rock_ridge_inode(de, inode, relocated);
1446
1447 if (sbi->s_uid_set)
1448 inode->i_uid = sbi->s_uid;
1449 if (sbi->s_gid_set)
1450 inode->i_gid = sbi->s_gid;
1451 }
1452
1453 if (S_ISDIR(inode->i_mode) && sbi->s_overriderockperm &&
1454 sbi->s_dmode != ISOFS_INVALID_MODE)
1455 inode->i_mode = S_IFDIR | sbi->s_dmode;
1456 if (S_ISREG(inode->i_mode) && sbi->s_overriderockperm &&
1457 sbi->s_fmode != ISOFS_INVALID_MODE)
1458 inode->i_mode = S_IFREG | sbi->s_fmode;
1459
1460
1461 if (S_ISREG(inode->i_mode)) {
1462 inode->i_fop = &generic_ro_fops;
1463 switch (ei->i_file_format) {
1464#ifdef CONFIG_ZISOFS
1465 case isofs_file_compressed:
1466 inode->i_data.a_ops = &zisofs_aops;
1467 break;
1468#endif
1469 default:
1470 inode->i_data.a_ops = &isofs_aops;
1471 break;
1472 }
1473 } else if (S_ISDIR(inode->i_mode)) {
1474 inode->i_op = &isofs_dir_inode_operations;
1475 inode->i_fop = &isofs_dir_operations;
1476 } else if (S_ISLNK(inode->i_mode)) {
1477 inode->i_op = &page_symlink_inode_operations;
1478 inode_nohighmem(inode);
1479 inode->i_data.a_ops = &isofs_symlink_aops;
1480 } else
1481
1482 init_special_inode(inode, inode->i_mode, inode->i_rdev);
1483
1484 ret = 0;
1485out:
1486 kfree(tmpde);
1487 if (bh)
1488 brelse(bh);
1489 return ret;
1490
1491out_badread:
1492 printk(KERN_WARNING "ISOFS: unable to read i-node block\n");
1493fail:
1494 goto out;
1495}
1496
1497struct isofs_iget5_callback_data {
1498 unsigned long block;
1499 unsigned long offset;
1500};
1501
1502static int isofs_iget5_test(struct inode *ino, void *data)
1503{
1504 struct iso_inode_info *i = ISOFS_I(ino);
1505 struct isofs_iget5_callback_data *d =
1506 (struct isofs_iget5_callback_data*)data;
1507 return (i->i_iget5_block == d->block)
1508 && (i->i_iget5_offset == d->offset);
1509}
1510
1511static int isofs_iget5_set(struct inode *ino, void *data)
1512{
1513 struct iso_inode_info *i = ISOFS_I(ino);
1514 struct isofs_iget5_callback_data *d =
1515 (struct isofs_iget5_callback_data*)data;
1516 i->i_iget5_block = d->block;
1517 i->i_iget5_offset = d->offset;
1518 return 0;
1519}
1520
1521
1522
1523
1524
1525struct inode *__isofs_iget(struct super_block *sb,
1526 unsigned long block,
1527 unsigned long offset,
1528 int relocated)
1529{
1530 unsigned long hashval;
1531 struct inode *inode;
1532 struct isofs_iget5_callback_data data;
1533 long ret;
1534
1535 if (offset >= 1ul << sb->s_blocksize_bits)
1536 return ERR_PTR(-EINVAL);
1537
1538 data.block = block;
1539 data.offset = offset;
1540
1541 hashval = (block << sb->s_blocksize_bits) | offset;
1542
1543 inode = iget5_locked(sb, hashval, &isofs_iget5_test,
1544 &isofs_iget5_set, &data);
1545
1546 if (!inode)
1547 return ERR_PTR(-ENOMEM);
1548
1549 if (inode->i_state & I_NEW) {
1550 ret = isofs_read_inode(inode, relocated);
1551 if (ret < 0) {
1552 iget_failed(inode);
1553 inode = ERR_PTR(ret);
1554 } else {
1555 unlock_new_inode(inode);
1556 }
1557 }
1558
1559 return inode;
1560}
1561
1562static struct dentry *isofs_mount(struct file_system_type *fs_type,
1563 int flags, const char *dev_name, void *data)
1564{
1565 return mount_bdev(fs_type, flags, dev_name, data, isofs_fill_super);
1566}
1567
1568static struct file_system_type iso9660_fs_type = {
1569 .owner = THIS_MODULE,
1570 .name = "iso9660",
1571 .mount = isofs_mount,
1572 .kill_sb = kill_block_super,
1573 .fs_flags = FS_REQUIRES_DEV,
1574};
1575MODULE_ALIAS_FS("iso9660");
1576MODULE_ALIAS("iso9660");
1577
1578static int __init init_iso9660_fs(void)
1579{
1580 int err = init_inodecache();
1581 if (err)
1582 goto out;
1583#ifdef CONFIG_ZISOFS
1584 err = zisofs_init();
1585 if (err)
1586 goto out1;
1587#endif
1588 err = register_filesystem(&iso9660_fs_type);
1589 if (err)
1590 goto out2;
1591 return 0;
1592out2:
1593#ifdef CONFIG_ZISOFS
1594 zisofs_cleanup();
1595out1:
1596#endif
1597 destroy_inodecache();
1598out:
1599 return err;
1600}
1601
1602static void __exit exit_iso9660_fs(void)
1603{
1604 unregister_filesystem(&iso9660_fs_type);
1605#ifdef CONFIG_ZISOFS
1606 zisofs_cleanup();
1607#endif
1608 destroy_inodecache();
1609}
1610
1611module_init(init_iso9660_fs)
1612module_exit(exit_iso9660_fs)
1613MODULE_LICENSE("GPL");
1614
