30 static int affs_remount (struct super_block *sb, int *flags, char *data);
33 affs_commit_super(struct super_block *sb, int wait)  in affs_commit_super()  argument
35 	struct affs_sb_info *sbi = AFFS_SB(sb);  in affs_commit_super()
37 	struct affs_root_tail *tail = AFFS_ROOT_TAIL(sb, bh);  in affs_commit_super()
41 	affs_fix_checksum(sb, bh);  in affs_commit_super()
50 affs_put_super(struct super_block *sb)  in affs_put_super()  argument
52 	struct affs_sb_info *sbi = AFFS_SB(sb);  in affs_put_super()
59 affs_sync_fs(struct super_block *sb, int wait)  in affs_sync_fs()  argument
61 	affs_commit_super(sb, wait);  in affs_sync_fs()
68 	struct super_block *sb;  in flush_superblock()  local
71 	sb = sbi->sb;  in flush_superblock()
77 	affs_commit_super(sb, 1);  in flush_superblock()
80 void affs_mark_sb_dirty(struct super_block *sb)  in affs_mark_sb_dirty()  argument
82 	struct affs_sb_info *sbi = AFFS_SB(sb);  in affs_mark_sb_dirty()
85 	if (sb_rdonly(sb))  in affs_mark_sb_dirty()
99 static struct inode *affs_alloc_inode(struct super_block *sb)  in affs_alloc_inode()  argument
103 	i = alloc_inode_sb(sb, affs_inode_cachep, GFP_KERNEL);  in affs_alloc_inode()
297 	struct super_block *sb = root->d_sb;  in affs_show_options()  local
298 	struct affs_sb_info *sbi = AFFS_SB(sb);  in affs_show_options()
300 	if (sb->s_blocksize)  in affs_show_options()
301 		seq_printf(m, ",bs=%lu", sb->s_blocksize);  in affs_show_options()
333 static int affs_fill_super(struct super_block *sb, void *data, int silent)  in affs_fill_super()  argument
354 	sb->s_magic             = AFFS_SUPER_MAGIC;  in affs_fill_super()
355 	sb->s_op                = &affs_sops;  in affs_fill_super()
356 	sb->s_flags |= SB_NODIRATIME;  in affs_fill_super()
358 	sb->s_time_gran = NSEC_PER_SEC;  in affs_fill_super()
359 	sb->s_time_min = sys_tz.tz_minuteswest * 60 + AFFS_EPOCH_DELTA;  in affs_fill_super()
360 	sb->s_time_max = 86400LL * U32_MAX + 86400 + sb->s_time_min;  in affs_fill_super()
366 	sb->s_fs_info = sbi;  in affs_fill_super()
367 	sbi->sb = sb;  in affs_fill_super()
392 	size = bdev_nr_sectors(sb->s_bdev);  in affs_fill_super()
395 	affs_set_blocksize(sb, PAGE_SIZE);  in affs_fill_super()
398 	i = bdev_logical_block_size(sb->s_bdev);  in affs_fill_super()
410 		affs_set_blocksize(sb, blocksize);  in affs_fill_super()
426 				sb->s_id,  in affs_fill_super()
429 			root_bh = affs_bread(sb, sbi->s_root_block + num_bm);  in affs_fill_super()
432 			if (!affs_checksum_block(sb, root_bh) &&  in affs_fill_super()
434 			    be32_to_cpu(AFFS_ROOT_TAIL(sb, root_bh)->stype) == ST_ROOT) {  in affs_fill_super()
444 		pr_err("No valid root block on device %s\n", sb->s_id);  in affs_fill_super()
454 	boot_bh = sb_bread(sb, 0);  in affs_fill_super()
468 	     || chksum == MUFS_DCOFS) && !sb_rdonly(sb)) {  in affs_fill_super()
469 		pr_notice("Dircache FS - mounting %s read only\n", sb->s_id);  in affs_fill_super()
470 		sb->s_flags |= SB_RDONLY;  in affs_fill_super()
492 		sb->s_flags |= SB_NOEXEC;  in affs_fill_super()
502 		sb->s_flags |= SB_NOEXEC;  in affs_fill_super()
506 		       sb->s_id, chksum);  in affs_fill_super()
511 		u8 len = AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0];  in affs_fill_super()
514 			AFFS_ROOT_TAIL(sb, root_bh)->disk_name + 1,  in affs_fill_super()
518 	sb->s_flags |= SB_NODEV | SB_NOSUID;  in affs_fill_super()
520 	sbi->s_data_blksize = sb->s_blocksize;  in affs_fill_super()
524 	tmp_flags = sb->s_flags;  in affs_fill_super()
525 	ret = affs_init_bitmap(sb, &tmp_flags);  in affs_fill_super()
528 	sb->s_flags = tmp_flags;  in affs_fill_super()
532 	root_inode = affs_iget(sb, root_block);  in affs_fill_super()
536 	if (affs_test_opt(AFFS_SB(sb)->s_flags, SF_INTL))  in affs_fill_super()
537 		sb->s_d_op = &affs_intl_dentry_operations;  in affs_fill_super()
539 		sb->s_d_op = &affs_dentry_operations;  in affs_fill_super()
541 	sb->s_root = d_make_root(root_inode);  in affs_fill_super()
542 	if (!sb->s_root) {  in affs_fill_super()
547 	sb->s_export_op = &affs_export_ops;  in affs_fill_super()
548 	pr_debug("s_flags=%lX\n", sb->s_flags);  in affs_fill_super()
553 affs_remount(struct super_block *sb, int *flags, char *data)  in affs_remount()  argument
555 	struct affs_sb_info	*sbi = AFFS_SB(sb);  in affs_remount()
569 	sync_filesystem(sb);  in affs_remount()
595 	if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb))  in affs_remount()
599 		affs_free_bitmap(sb);  in affs_remount()
601 		res = affs_init_bitmap(sb, flags);  in affs_remount()
609 	struct super_block *sb = dentry->d_sb;  in affs_statfs()  local
611 	u64		 id = huge_encode_dev(sb->s_bdev->bd_dev);  in affs_statfs()
614 		 __func__, AFFS_SB(sb)->s_partition_size,  in affs_statfs()
615 		 AFFS_SB(sb)->s_reserved);  in affs_statfs()
617 	free          = affs_count_free_blocks(sb);  in affs_statfs()
619 	buf->f_bsize   = sb->s_blocksize;  in affs_statfs()
620 	buf->f_blocks  = AFFS_SB(sb)->s_partition_size - AFFS_SB(sb)->s_reserved;  in affs_statfs()
634 static void affs_kill_sb(struct super_block *sb)  in affs_kill_sb()  argument
636 	struct affs_sb_info *sbi = AFFS_SB(sb);  in affs_kill_sb()
637 	kill_block_super(sb);  in affs_kill_sb()
639 		affs_free_bitmap(sb);  in affs_kill_sb()