fs/hpfs/super.c

113 static void free_sbi(struct hpfs_sb_info *sbi)
115 	kfree(sbi->sb_cp_table);
116 	kfree(sbi->sb_bmp_dir);
117 	kfree(sbi);
167 	struct hpfs_sb_info *sbi = hpfs_sb(s);
168 	if (sbi->sb_n_free_dnodes == (unsigned)-1) {
169 		unsigned c = hpfs_count_one_bitmap(s, sbi->sb_dmap);
172 		sbi->sb_n_free_dnodes = c;
174 	return sbi->sb_n_free_dnodes;
180 	struct hpfs_sb_info *sbi = hpfs_sb(s);
185 	if (sbi->sb_n_free == (unsigned)-1)
186 		sbi->sb_n_free = count_bitmaps(s);
190 	buf->f_blocks = sbi->sb_fs_size;
191 	buf->f_bfree = sbi->sb_n_free;
192 	buf->f_bavail = sbi->sb_n_free;
193 	buf->f_files = sbi->sb_dirband_size / 4;
449 	struct hpfs_sb_info *sbi = hpfs_sb(s);
456 	uid = sbi->sb_uid; gid = sbi->sb_gid;
457 	umask = 0777 & ~sbi->sb_mode;
458 	lowercase = sbi->sb_lowercase;
459 	eas = sbi->sb_eas; chk = sbi->sb_chk; chkdsk = sbi->sb_chkdsk;
460 	errs = sbi->sb_err; timeshift = sbi->sb_timeshift;
471 	if (timeshift != sbi->sb_timeshift) {
478 	sbi->sb_uid = uid; sbi->sb_gid = gid;
479 	sbi->sb_mode = 0777 & ~umask;
480 	sbi->sb_lowercase = lowercase;
481 	sbi->sb_eas = eas; sbi->sb_chk = chk; sbi->sb_chkdsk = chkdsk;
482 	sbi->sb_err = errs; sbi->sb_timeshift = timeshift;
496 	struct hpfs_sb_info *sbi = hpfs_sb(root->d_sb);
498 	seq_printf(seq, ",uid=%u", from_kuid_munged(&init_user_ns, sbi->sb_uid));
499 	seq_printf(seq, ",gid=%u", from_kgid_munged(&init_user_ns, sbi->sb_gid));
500 	seq_printf(seq, ",umask=%03o", (~sbi->sb_mode & 0777));
501 	if (sbi->sb_lowercase)
503 	if (!sbi->sb_chk)
505 	if (sbi->sb_chk == 2)
507 	if (!sbi->sb_err)
509 	if (sbi->sb_err == 2)
511 	if (!sbi->sb_chkdsk)
513 	if (sbi->sb_chkdsk == 2)
515 	if (!sbi->sb_eas)
517 	if (sbi->sb_eas == 1)
519 	if (sbi->sb_timeshift)
520 		seq_printf(seq, ",timeshift=%d", sbi->sb_timeshift);
543 	struct hpfs_sb_info *sbi;
557 	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
558 	if (!sbi) {
561 	s->s_fs_info = sbi;
563 	mutex_init(&sbi->hpfs_mutex);
586 	/*sbi->sb_mounting = 1;*/
588 	sbi->sb_fs_size = -1;
619 	sbi->sb_root = le32_to_cpu(superblock->root);
620 	sbi->sb_fs_size = le32_to_cpu(superblock->n_sectors);
621 	sbi->sb_bitmaps = le32_to_cpu(superblock->bitmaps);
622 	sbi->sb_dirband_start = le32_to_cpu(superblock->dir_band_start);
623 	sbi->sb_dirband_size = le32_to_cpu(superblock->n_dir_band);
624 	sbi->sb_dmap = le32_to_cpu(superblock->dir_band_bitmap);
625 	sbi->sb_uid = uid;
626 	sbi->sb_gid = gid;
627 	sbi->sb_mode = 0777 & ~umask;
628 	sbi->sb_n_free = -1;
629 	sbi->sb_n_free_dnodes = -1;
630 	sbi->sb_lowercase = lowercase;
631 	sbi->sb_eas = eas;
632 	sbi->sb_chk = chk;
633 	sbi->sb_chkdsk = chkdsk;
634 	sbi->sb_err = errs;
635 	sbi->sb_timeshift = timeshift;
636 	sbi->sb_was_error = 0;
637 	sbi->sb_cp_table = NULL;
638 	sbi->sb_c_bitmap = -1;
639 	sbi->sb_max_fwd_alloc = 0xffffff;
641 	if (sbi->sb_fs_size >= 0x80000000) {
643 			(unsigned)sbi->sb_fs_size);
651 	if (!(sbi->sb_bmp_dir = hpfs_load_bitmap_directory(s, le32_to_cpu(superblock->bitmaps))))
687 		a = sbi->sb_dirband_size;
688 		sbi->sb_dirband_size = 0;
695 		sbi->sb_dirband_size = a;
701 		if (!(sbi->sb_cp_table = hpfs_load_code_page(s, le32_to_cpu(spareblock->code_page_dir))))
708 	root = iget_locked(s, sbi->sb_root);
722 	root_dno = hpfs_fnode_dno(s, sbi->sb_root);
754 	free_sbi(sbi);