fs/ext4/ext4.h

168 	 * those. This is only used in rare cases when
180  * Flags used in mballoc's allocation_context flags field.
182  * Also used to show what's going on for debugging purposes when the
248  * Logical to physical block mapping, used by ext4_map_blocks()
250  * This structure is used to pass requests into ext4_map_blocks() as
290  * For converting unwritten extents on a work queue. 'handle' is used for
333  * Macro-instructions used to manage several block sizes
444  * Macro-instructions used to manage group descriptors
488 /* End compression flags --- maybe not all used */
498 #define EXT4_EA_INODE_FL	        0x00200000 /* Inode used for large EA */
571  * Inode flags used for atomic set/get
587 /* End compression flags --- maybe not all used */
597 	EXT4_INODE_EA_INODE	= 21,	/* Inode used for large EA */
676 /* Indexes used to index group tables in ext4_new_group_data */
685  * Flags used by ext4_map_blocks()
710 	/* Don't normalize allocation size (used for fallocate) */
726  * EXT4_GET_BLOCKS_*.  They are used by ext4_find_extent(),
729  * EXT4_EX_NOCACHE is used to indicate that the we shouldn't be
738  * Flags used by ext4_free_blocks
1015 	 * it is used for making block allocation decisions - we try to
1037 	 * i_orphan is used.
1075 	 * are used by this file.  This allows recovery to restart truncate
1387 	__u8	s_checksum_type;	/* metadata checksum algorithm used */
1416 	__u8	s_encrypt_pw_salt[16];	/* Salt used for string2key algorithm */
1725 	 * superblock, we queue the work here.  This is used to update
2368  * Ext4 directory file types.  Only the low 3 bits are used.  The
2486 /* hash info structure used by the directory hash */
2502  * Control parameters used by ext4_htree_next_block
2567  * Special error return code only used by dx_probe() and its callers.
2619  * This structure will be used for multiple mount protection. It will be
2635 	 * mmp_time, mmp_nodename & mmp_bdevname are only used for information
2643 	 * mmp_check_interval is used to verify if the MMP block has been
3025 					int used, int quota_claim);