super.c (14da17f9c4a880e3418f7f04071df3cb2e8636e8) super.c (a19189e5535ed8fd191d8989fc39da1637cfa224)
1/*
2 * linux/fs/hpfs/super.c
3 *
4 * Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999
5 *
6 * mounting, unmounting, error handling
7 */
8

--- 424 unchanged lines hidden (view full) ---

433 uid = sbi->sb_uid; gid = sbi->sb_gid;
434 umask = 0777 & ~sbi->sb_mode;
435 lowercase = sbi->sb_lowercase;
436 eas = sbi->sb_eas; chk = sbi->sb_chk; chkdsk = sbi->sb_chkdsk;
437 errs = sbi->sb_err; timeshift = sbi->sb_timeshift;
438
439 if (!(o = parse_opts(data, &uid, &gid, &umask, &lowercase,
440 &eas, &chk, &errs, &chkdsk, &timeshift))) {
1/*
2 * linux/fs/hpfs/super.c
3 *
4 * Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999
5 *
6 * mounting, unmounting, error handling
7 */
8

--- 424 unchanged lines hidden (view full) ---

433 uid = sbi->sb_uid; gid = sbi->sb_gid;
434 umask = 0777 & ~sbi->sb_mode;
435 lowercase = sbi->sb_lowercase;
436 eas = sbi->sb_eas; chk = sbi->sb_chk; chkdsk = sbi->sb_chkdsk;
437 errs = sbi->sb_err; timeshift = sbi->sb_timeshift;
438
439 if (!(o = parse_opts(data, &uid, &gid, &umask, &lowercase,
440 &eas, &chk, &errs, &chkdsk, &timeshift))) {
441 pr_warn("bad mount options.\n");
441 pr_err("bad mount options.\n");
442 goto out_err;
443 }
444 if (o == 2) {
445 hpfs_help();
446 goto out_err;
447 }
448 if (timeshift != sbi->sb_timeshift) {
442 goto out_err;
443 }
444 if (o == 2) {
445 hpfs_help();
446 goto out_err;
447 }
448 if (timeshift != sbi->sb_timeshift) {
449 pr_warn("timeshift can't be changed using remount.\n");
449 pr_err("timeshift can't be changed using remount.\n");
450 goto out_err;
451 }
452
453 unmark_dirty(s);
454
455 sbi->sb_uid = uid; sbi->sb_gid = gid;
456 sbi->sb_mode = 0777 & ~umask;
457 sbi->sb_lowercase = lowercase;

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522 eas = 2;
523 chk = 1;
524 errs = 1;
525 chkdsk = 1;
526 timeshift = 0;
527
528 if (!(o = parse_opts(options, &uid, &gid, &umask, &lowercase,
529 &eas, &chk, &errs, &chkdsk, &timeshift))) {
450 goto out_err;
451 }
452
453 unmark_dirty(s);
454
455 sbi->sb_uid = uid; sbi->sb_gid = gid;
456 sbi->sb_mode = 0777 & ~umask;
457 sbi->sb_lowercase = lowercase;

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522 eas = 2;
523 chk = 1;
524 errs = 1;
525 chkdsk = 1;
526 timeshift = 0;
527
528 if (!(o = parse_opts(options, &uid, &gid, &umask, &lowercase,
529 &eas, &chk, &errs, &chkdsk, &timeshift))) {
530 pr_warn("bad mount options.\n");
530 pr_err("bad mount options.\n");
531 goto bail0;
532 }
533 if (o==2) {
534 hpfs_help();
535 goto bail0;
536 }
537
538 /*sbi->sb_mounting = 1;*/
539 sb_set_blocksize(s, 512);
540 sbi->sb_fs_size = -1;
541 if (!(bootblock = hpfs_map_sector(s, 0, &bh0, 0))) goto bail1;
542 if (!(superblock = hpfs_map_sector(s, 16, &bh1, 1))) goto bail2;
543 if (!(spareblock = hpfs_map_sector(s, 17, &bh2, 0))) goto bail3;
544
545 /* Check magics */
546 if (/*le16_to_cpu(bootblock->magic) != BB_MAGIC
547 ||*/ le32_to_cpu(superblock->magic) != SB_MAGIC
548 || le32_to_cpu(spareblock->magic) != SP_MAGIC) {
549 if (!silent)
531 goto bail0;
532 }
533 if (o==2) {
534 hpfs_help();
535 goto bail0;
536 }
537
538 /*sbi->sb_mounting = 1;*/
539 sb_set_blocksize(s, 512);
540 sbi->sb_fs_size = -1;
541 if (!(bootblock = hpfs_map_sector(s, 0, &bh0, 0))) goto bail1;
542 if (!(superblock = hpfs_map_sector(s, 16, &bh1, 1))) goto bail2;
543 if (!(spareblock = hpfs_map_sector(s, 17, &bh2, 0))) goto bail3;
544
545 /* Check magics */
546 if (/*le16_to_cpu(bootblock->magic) != BB_MAGIC
547 ||*/ le32_to_cpu(superblock->magic) != SB_MAGIC
548 || le32_to_cpu(spareblock->magic) != SP_MAGIC) {
549 if (!silent)
550 pr_warn("Bad magic ... probably not HPFS\n");
550 pr_err("Bad magic ... probably not HPFS\n");
551 goto bail4;
552 }
553
554 /* Check version */
555 if (!(s->s_flags & MS_RDONLY) &&
556 superblock->funcversion != 2 && superblock->funcversion != 3) {
551 goto bail4;
552 }
553
554 /* Check version */
555 if (!(s->s_flags & MS_RDONLY) &&
556 superblock->funcversion != 2 && superblock->funcversion != 3) {
557 pr_warn("Bad version %d,%d. Mount readonly to go around\n",
557 pr_err("Bad version %d,%d. Mount readonly to go around\n",
558 (int)superblock->version, (int)superblock->funcversion);
558 (int)superblock->version, (int)superblock->funcversion);
559 pr_warn("please try recent version of HPFS driver at http://artax.karlin.mff.cuni.cz/~mikulas/vyplody/hpfs/index-e.cgi and if it still can't understand this format, contact author - mikulas@artax.karlin.mff.cuni.cz\n");
559 pr_err("please try recent version of HPFS driver at http://artax.karlin.mff.cuni.cz/~mikulas/vyplody/hpfs/index-e.cgi and if it still can't understand this format, contact author - mikulas@artax.karlin.mff.cuni.cz\n");
560 goto bail4;
561 }
562
563 s->s_flags |= MS_NOATIME;
564
565 /* Fill superblock stuff */
566 s->s_magic = HPFS_SUPER_MAGIC;
567 s->s_op = &hpfs_sops;

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597
598 /* Load bitmap directory */
599 if (!(sbi->sb_bmp_dir = hpfs_load_bitmap_directory(s, le32_to_cpu(superblock->bitmaps))))
600 goto bail4;
601
602 /* Check for general fs errors*/
603 if (spareblock->dirty && !spareblock->old_wrote) {
604 if (errs == 2) {
560 goto bail4;
561 }
562
563 s->s_flags |= MS_NOATIME;
564
565 /* Fill superblock stuff */
566 s->s_magic = HPFS_SUPER_MAGIC;
567 s->s_op = &hpfs_sops;

--- 29 unchanged lines hidden (view full) ---

597
598 /* Load bitmap directory */
599 if (!(sbi->sb_bmp_dir = hpfs_load_bitmap_directory(s, le32_to_cpu(superblock->bitmaps))))
600 goto bail4;
601
602 /* Check for general fs errors*/
603 if (spareblock->dirty && !spareblock->old_wrote) {
604 if (errs == 2) {
605 pr_warn("Improperly stopped, not mounted\n");
605 pr_err("Improperly stopped, not mounted\n");
606 goto bail4;
607 }
608 hpfs_error(s, "improperly stopped");
609 }
610
611 if (!(s->s_flags & MS_RDONLY)) {
612 spareblock->dirty = 1;
613 spareblock->old_wrote = 0;
614 mark_buffer_dirty(bh2);
615 }
616
617 if (spareblock->hotfixes_used || spareblock->n_spares_used) {
618 if (errs >= 2) {
606 goto bail4;
607 }
608 hpfs_error(s, "improperly stopped");
609 }
610
611 if (!(s->s_flags & MS_RDONLY)) {
612 spareblock->dirty = 1;
613 spareblock->old_wrote = 0;
614 mark_buffer_dirty(bh2);
615 }
616
617 if (spareblock->hotfixes_used || spareblock->n_spares_used) {
618 if (errs >= 2) {
619 pr_warn("Hotfixes not supported here, try chkdsk\n");
619 pr_err("Hotfixes not supported here, try chkdsk\n");
620 mark_dirty(s, 0);
621 goto bail4;
622 }
623 hpfs_error(s, "hotfixes not supported here, try chkdsk");
624 if (errs == 0)
620 mark_dirty(s, 0);
621 goto bail4;
622 }
623 hpfs_error(s, "hotfixes not supported here, try chkdsk");
624 if (errs == 0)
625 pr_warn("Proceeding, but your filesystem will be probably corrupted by this driver...\n");
625 pr_err("Proceeding, but your filesystem will be probably corrupted by this driver...\n");
626 else
626 else
627 pr_warn("This driver may read bad files or crash when operating on disk with hotfixes.\n");
627 pr_err("This driver may read bad files or crash when operating on disk with hotfixes.\n");
628 }
629 if (le32_to_cpu(spareblock->n_dnode_spares) != le32_to_cpu(spareblock->n_dnode_spares_free)) {
630 if (errs >= 2) {
628 }
629 if (le32_to_cpu(spareblock->n_dnode_spares) != le32_to_cpu(spareblock->n_dnode_spares_free)) {
630 if (errs >= 2) {
631 pr_warn("Spare dnodes used, try chkdsk\n");
631 pr_err("Spare dnodes used, try chkdsk\n");
632 mark_dirty(s, 0);
633 goto bail4;
634 }
635 hpfs_error(s, "warning: spare dnodes used, try chkdsk");
636 if (errs == 0)
632 mark_dirty(s, 0);
633 goto bail4;
634 }
635 hpfs_error(s, "warning: spare dnodes used, try chkdsk");
636 if (errs == 0)
637 pr_warn("Proceeding, but your filesystem could be corrupted if you delete files or directories\n");
637 pr_err("Proceeding, but your filesystem could be corrupted if you delete files or directories\n");
638 }
639 if (chk) {
640 unsigned a;
641 if (le32_to_cpu(superblock->dir_band_end) - le32_to_cpu(superblock->dir_band_start) + 1 != le32_to_cpu(superblock->n_dir_band) ||
642 le32_to_cpu(superblock->dir_band_end) < le32_to_cpu(superblock->dir_band_start) || le32_to_cpu(superblock->n_dir_band) > 0x4000) {
643 hpfs_error(s, "dir band size mismatch: dir_band_start==%08x, dir_band_end==%08x, n_dir_band==%08x",
644 le32_to_cpu(superblock->dir_band_start), le32_to_cpu(superblock->dir_band_end), le32_to_cpu(superblock->n_dir_band));
645 goto bail4;
646 }
647 a = sbi->sb_dirband_size;
648 sbi->sb_dirband_size = 0;
649 if (hpfs_chk_sectors(s, le32_to_cpu(superblock->dir_band_start), le32_to_cpu(superblock->n_dir_band), "dir_band") ||
650 hpfs_chk_sectors(s, le32_to_cpu(superblock->dir_band_bitmap), 4, "dir_band_bitmap") ||
651 hpfs_chk_sectors(s, le32_to_cpu(superblock->bitmaps), 4, "bitmaps")) {
652 mark_dirty(s, 0);
653 goto bail4;
654 }
655 sbi->sb_dirband_size = a;
656 } else
638 }
639 if (chk) {
640 unsigned a;
641 if (le32_to_cpu(superblock->dir_band_end) - le32_to_cpu(superblock->dir_band_start) + 1 != le32_to_cpu(superblock->n_dir_band) ||
642 le32_to_cpu(superblock->dir_band_end) < le32_to_cpu(superblock->dir_band_start) || le32_to_cpu(superblock->n_dir_band) > 0x4000) {
643 hpfs_error(s, "dir band size mismatch: dir_band_start==%08x, dir_band_end==%08x, n_dir_band==%08x",
644 le32_to_cpu(superblock->dir_band_start), le32_to_cpu(superblock->dir_band_end), le32_to_cpu(superblock->n_dir_band));
645 goto bail4;
646 }
647 a = sbi->sb_dirband_size;
648 sbi->sb_dirband_size = 0;
649 if (hpfs_chk_sectors(s, le32_to_cpu(superblock->dir_band_start), le32_to_cpu(superblock->n_dir_band), "dir_band") ||
650 hpfs_chk_sectors(s, le32_to_cpu(superblock->dir_band_bitmap), 4, "dir_band_bitmap") ||
651 hpfs_chk_sectors(s, le32_to_cpu(superblock->bitmaps), 4, "bitmaps")) {
652 mark_dirty(s, 0);
653 goto bail4;
654 }
655 sbi->sb_dirband_size = a;
656 } else
657 pr_warn("You really don't want any checks? You are crazy...\n");
657 pr_err("You really don't want any checks? You are crazy...\n");
658
659 /* Load code page table */
660 if (le32_to_cpu(spareblock->n_code_pages))
661 if (!(sbi->sb_cp_table = hpfs_load_code_page(s, le32_to_cpu(spareblock->code_page_dir))))
658
659 /* Load code page table */
660 if (le32_to_cpu(spareblock->n_code_pages))
661 if (!(sbi->sb_cp_table = hpfs_load_code_page(s, le32_to_cpu(spareblock->code_page_dir))))
662 pr_warn("code page support is disabled\n");
662 pr_err("code page support is disabled\n");
663
664 brelse(bh2);
665 brelse(bh1);
666 brelse(bh0);
667
668 root = iget_locked(s, sbi->sb_root);
669 if (!root)
670 goto bail0;

--- 83 unchanged lines hidden --- 		663
664 brelse(bh2);
665 brelse(bh1);
666 brelse(bh0);
667
668 root = iget_locked(s, sbi->sb_root);
669 if (!root)
670 goto bail0;

--- 83 unchanged lines hidden ---