1098 #define clear_opt(sb, opt)		EXT4_SB(sb)->s_mount_opt &= \  argument
1100 #define set_opt(sb, opt)		EXT4_SB(sb)->s_mount_opt |= \  argument
1102 #define test_opt(sb, opt)		(EXT4_SB(sb)->s_mount_opt & \  argument
1105 #define clear_opt2(sb, opt)		EXT4_SB(sb)->s_mount_opt2 &= \  argument
1107 #define set_opt2(sb, opt)		EXT4_SB(sb)->s_mount_opt2 |= \  argument
1109 #define test_opt2(sb, opt)		(EXT4_SB(sb)->s_mount_opt2 & \  argument
1452 static inline struct ext4_sb_info *EXT4_SB(struct super_block *sb)  in EXT4_SB()  argument
1454 	return sb->s_fs_info;  in EXT4_SB()
1467 static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)  in ext4_valid_inum()  argument
1475 		(ino >= EXT4_FIRST_INO(sb) &&  in ext4_valid_inum()
1476 		 ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count));  in ext4_valid_inum()
1562 #define EXT4_SB(sb)	(sb)  argument
1604 #define EXT4_HAS_COMPAT_FEATURE(sb,mask)			\  argument
1605 	((EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask)) != 0)
1606 #define EXT4_HAS_RO_COMPAT_FEATURE(sb,mask)			\  argument
1607 	((EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask)) != 0)
1608 #define EXT4_HAS_INCOMPAT_FEATURE(sb,mask)			\  argument
1609 	((EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask)) != 0)
1610 #define EXT4_SET_COMPAT_FEATURE(sb,mask)			\  argument
1611 	EXT4_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
1612 #define EXT4_SET_RO_COMPAT_FEATURE(sb,mask)			\  argument
1613 	EXT4_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask)
1614 #define EXT4_SET_INCOMPAT_FEATURE(sb,mask)			\  argument
1615 	EXT4_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask)
1616 #define EXT4_CLEAR_COMPAT_FEATURE(sb,mask)			\  argument
1617 	EXT4_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)
1618 #define EXT4_CLEAR_RO_COMPAT_FEATURE(sb,mask)			\  argument
1619 	EXT4_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)
1620 #define EXT4_CLEAR_INCOMPAT_FEATURE(sb,mask)			\  argument
1621 	EXT4_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask)
1667 static inline bool ext4_has_feature_##name(struct super_block *sb) \
1669 	return ((EXT4_SB(sb)->s_es->s_feature_compat & \
1672 static inline void ext4_set_feature_##name(struct super_block *sb) \
1674 	EXT4_SB(sb)->s_es->s_feature_compat |= \
1677 static inline void ext4_clear_feature_##name(struct super_block *sb) \
1679 	EXT4_SB(sb)->s_es->s_feature_compat &= \
1684 static inline bool ext4_has_feature_##name(struct super_block *sb) \
1686 	return ((EXT4_SB(sb)->s_es->s_feature_ro_compat & \
1689 static inline void ext4_set_feature_##name(struct super_block *sb) \
1691 	EXT4_SB(sb)->s_es->s_feature_ro_compat |= \
1694 static inline void ext4_clear_feature_##name(struct super_block *sb) \
1696 	EXT4_SB(sb)->s_es->s_feature_ro_compat &= \
1701 static inline bool ext4_has_feature_##name(struct super_block *sb) \
1703 	return ((EXT4_SB(sb)->s_es->s_feature_incompat & \
1706 static inline void ext4_set_feature_##name(struct super_block *sb) \
1708 	EXT4_SB(sb)->s_es->s_feature_incompat |= \
1711 static inline void ext4_clear_feature_##name(struct super_block *sb) \
1713 	EXT4_SB(sb)->s_es->s_feature_incompat &= \
1792 static inline bool ext4_has_unknown_ext##ver##_compat_features(struct super_block *sb) \  in EXT4_FEATURE_COMPAT_FUNCS()
1794 	return ((EXT4_SB(sb)->s_es->s_feature_compat & \  in EXT4_FEATURE_COMPAT_FUNCS()
1797 static inline bool ext4_has_unknown_ext##ver##_ro_compat_features(struct super_block *sb) \
1799 	return ((EXT4_SB(sb)->s_es->s_feature_ro_compat & \
1802 static inline bool ext4_has_unknown_ext##ver##_incompat_features(struct super_block *sb) \
1804 	return ((EXT4_SB(sb)->s_es->s_feature_incompat & \
1812 static inline bool ext4_has_compat_features(struct super_block *sb)
1814 	return (EXT4_SB(sb)->s_es->s_feature_compat != 0);
1816 static inline bool ext4_has_ro_compat_features(struct super_block *sb)  in ext4_has_ro_compat_features()  argument
1818 	return (EXT4_SB(sb)->s_es->s_feature_ro_compat != 0);  in ext4_has_ro_compat_features()
1820 static inline bool ext4_has_incompat_features(struct super_block *sb)  in ext4_has_incompat_features()  argument
1822 	return (EXT4_SB(sb)->s_es->s_feature_incompat != 0);  in ext4_has_incompat_features()
2076 ext4_group_first_block_no(struct super_block *sb, ext4_group_t group_no)  in ext4_group_first_block_no()  argument
2078 	return group_no * (ext4_fsblk_t)EXT4_BLOCKS_PER_GROUP(sb) +  in ext4_group_first_block_no()
2079 		le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);  in ext4_group_first_block_no()
2157 	struct super_block *sb;  /* super block of the fs */  member
2194 void ext4_inode_bitmap_csum_set(struct super_block *sb, ext4_group_t group,
2197 int ext4_inode_bitmap_csum_verify(struct super_block *sb, ext4_group_t group,
2200 void ext4_block_bitmap_csum_set(struct super_block *sb, ext4_group_t group,
2203 int ext4_block_bitmap_csum_verify(struct super_block *sb, ext4_group_t group,
2208 extern void ext4_get_group_no_and_offset(struct super_block *sb,
2212 extern ext4_group_t ext4_get_group_number(struct super_block *sb,
2215 extern unsigned int ext4_block_group(struct super_block *sb,
2217 extern ext4_grpblk_t ext4_block_group_offset(struct super_block *sb,
2219 extern int ext4_bg_has_super(struct super_block *sb, ext4_group_t group);
2220 extern unsigned long ext4_bg_num_gdb(struct super_block *sb,
2231 extern struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,
2234 extern int ext4_should_retry_alloc(struct super_block *sb, int *retries);
2236 extern struct buffer_head *ext4_read_block_bitmap_nowait(struct super_block *sb,
2238 extern int ext4_wait_block_bitmap(struct super_block *sb,
2241 extern struct buffer_head *ext4_read_block_bitmap(struct super_block *sb,
2243 extern unsigned ext4_free_clusters_after_init(struct super_block *sb,
2274 static inline int ext4_sb_has_crypto(struct super_block *sb)  in ext4_sb_has_crypto()  argument
2276 	return ext4_has_feature_encrypt(sb);  in ext4_sb_has_crypto()
2281 static inline int ext4_sb_has_crypto(struct super_block *sb)  in ext4_sb_has_crypto()  argument
2404 static inline  unsigned char get_dtype(struct super_block *sb, int filetype)  in get_dtype()  argument
2406 	if (!ext4_has_feature_filetype(sb) || filetype >= EXT4_FT_MAX)  in get_dtype()
2442 extern int ext4_init_inode_table(struct super_block *sb,
2461 extern int ext4_mb_alloc_groupinfo(struct super_block *sb,
2463 extern int ext4_mb_add_groupinfo(struct super_block *sb,
2465 extern int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
2568 extern int ext4_group_add(struct super_block *sb,
2570 extern int ext4_group_extend(struct super_block *sb,
2573 extern int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count);
2577 extern int ext4_calculate_overhead(struct super_block *sb);
2578 extern void ext4_superblock_csum_set(struct super_block *sb);
2581 extern int ext4_alloc_flex_bg_array(struct super_block *sb,
2583 extern const char *ext4_decode_error(struct super_block *sb, int errno,
2631 #define ext4_error(sb, fmt, ...)					\  argument
2632 	__ext4_error(sb, __func__, __LINE__, fmt, ##__VA_ARGS__)
2633 #define ext4_abort(sb, fmt, ...)					\  argument
2634 	__ext4_abort(sb, __func__, __LINE__, fmt, ##__VA_ARGS__)
2635 #define ext4_warning(sb, fmt, ...)					\  argument
2636 	__ext4_warning(sb, __func__, __LINE__, fmt, ##__VA_ARGS__)
2639 #define ext4_msg(sb, level, fmt, ...)				\  argument
2640 	__ext4_msg(sb, level, fmt, ##__VA_ARGS__)
2641 #define dump_mmp_msg(sb, mmp, msg)					\  argument
2642 	__dump_mmp_msg(sb, mmp, __func__, __LINE__, msg)
2643 #define ext4_grp_locked_error(sb, grp, ino, block, fmt, ...)		\  argument
2644 	__ext4_grp_locked_error(__func__, __LINE__, sb, grp, ino, block, \
2659 #define ext4_error(sb, fmt, ...)					\  argument
2662 	__ext4_error(sb, "", 0, " ");					\
2664 #define ext4_abort(sb, fmt, ...)					\  argument
2667 	__ext4_abort(sb, "", 0, " ");					\
2669 #define ext4_warning(sb, fmt, ...)					\  argument
2672 	__ext4_warning(sb, "", 0, " ");					\
2679 #define ext4_msg(sb, level, fmt, ...)					\  argument
2682 	__ext4_msg(sb, "", " ");					\
2684 #define dump_mmp_msg(sb, mmp, msg)					\  argument
2685 	__dump_mmp_msg(sb, mmp, "", 0, "")
2686 #define ext4_grp_locked_error(sb, grp, ino, block, fmt, ...)		\  argument
2689 	__ext4_grp_locked_error("", 0, sb, grp, ino, block, " ");	\
2694 extern void ext4_update_dynamic_rev(struct super_block *sb);
2695 extern int ext4_update_compat_feature(handle_t *handle, struct super_block *sb,
2698 					struct super_block *sb,	__u32 rocompat);
2700 					struct super_block *sb,	__u32 incompat);
2701 extern ext4_fsblk_t ext4_block_bitmap(struct super_block *sb,
2703 extern ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb,
2705 extern ext4_fsblk_t ext4_inode_table(struct super_block *sb,
2707 extern __u32 ext4_free_group_clusters(struct super_block *sb,
2709 extern __u32 ext4_free_inodes_count(struct super_block *sb,
2711 extern __u32 ext4_used_dirs_count(struct super_block *sb,
2713 extern __u32 ext4_itable_unused_count(struct super_block *sb,
2715 extern void ext4_block_bitmap_set(struct super_block *sb,
2717 extern void ext4_inode_bitmap_set(struct super_block *sb,
2719 extern void ext4_inode_table_set(struct super_block *sb,
2721 extern void ext4_free_group_clusters_set(struct super_block *sb,
2724 extern void ext4_free_inodes_set(struct super_block *sb,
2726 extern void ext4_used_dirs_set(struct super_block *sb,
2728 extern void ext4_itable_unused_set(struct super_block *sb,
2730 extern int ext4_group_desc_csum_verify(struct super_block *sb, __u32 group,
2732 extern void ext4_group_desc_csum_set(struct super_block *sb, __u32 group,
2734 extern int ext4_register_li_request(struct super_block *sb,
2737 static inline int ext4_has_group_desc_csum(struct super_block *sb)  in ext4_has_group_desc_csum()  argument
2739 	return ext4_has_feature_gdt_csum(sb) ||  in ext4_has_group_desc_csum()
2740 	       EXT4_SB(sb)->s_chksum_driver != NULL;  in ext4_has_group_desc_csum()
2743 static inline int ext4_has_metadata_csum(struct super_block *sb)  in ext4_has_metadata_csum()  argument
2745 	WARN_ON_ONCE(ext4_has_feature_metadata_csum(sb) &&  in ext4_has_metadata_csum()
2746 		     !EXT4_SB(sb)->s_chksum_driver);  in ext4_has_metadata_csum()
2748 	return (EXT4_SB(sb)->s_chksum_driver != NULL);  in ext4_has_metadata_csum()
2805 struct ext4_group_info *ext4_get_group_info(struct super_block *sb,  in ext4_get_group_info()  argument
2810 	 BUG_ON(group >= EXT4_SB(sb)->s_groups_count);  in ext4_get_group_info()
2811 	 grp_info = EXT4_SB(sb)->s_group_info;  in ext4_get_group_info()
2812 	 indexv = group >> (EXT4_DESC_PER_BLOCK_BITS(sb));  in ext4_get_group_info()
2813 	 indexh = group & ((EXT4_DESC_PER_BLOCK(sb)) - 1);  in ext4_get_group_info()
2822 static inline ext4_group_t ext4_get_groups_count(struct super_block *sb)  in ext4_get_groups_count()  argument
2824 	ext4_group_t	ngroups = EXT4_SB(sb)->s_groups_count;  in ext4_get_groups_count()
2841 #define ext4_std_error(sb, errno)				\  argument
2844 		__ext4_std_error((sb), __func__, __LINE__, (errno));	\
2927 static inline spinlock_t *ext4_group_lock_ptr(struct super_block *sb,  in ext4_group_lock_ptr()  argument
2930 	return bgl_lock_ptr(EXT4_SB(sb)->s_blockgroup_lock, group);  in ext4_group_lock_ptr()
2942 static inline void ext4_lock_group(struct super_block *sb, ext4_group_t group)  in ext4_lock_group()  argument
2944 	spinlock_t *lock = ext4_group_lock_ptr(sb, group);  in ext4_lock_group()
2950 		atomic_add_unless(&EXT4_SB(sb)->s_lock_busy, -1, 0);  in ext4_lock_group()
2956 		atomic_add_unless(&EXT4_SB(sb)->s_lock_busy, 1,  in ext4_lock_group()
2962 static inline void ext4_unlock_group(struct super_block *sb,  in ext4_unlock_group()  argument
2965 	spin_unlock(ext4_group_lock_ptr(sb, group));  in ext4_unlock_group()
3092 static inline void ext4_set_de_type(struct super_block *sb,  in ext4_set_de_type()  argument
3095 	if (ext4_has_feature_filetype(sb))  in ext4_set_de_type()
3110 extern int ext4_register_sysfs(struct super_block *sb);
3111 extern void ext4_unregister_sysfs(struct super_block *sb);
3116 extern void ext4_release_system_zone(struct super_block *sb);
3117 extern int ext4_setup_system_zone(struct super_block *sb);
3256 extern int ext4_resize_begin(struct super_block *sb);
3257 extern void ext4_resize_end(struct super_block *sb);