EXT4_SINGLEDATA_TRANS_BLOCKS   50 fs/ext4/ext4_jbd2.h #define EXT4_DATA_TRANS_BLOCKS(sb)	(EXT4_SINGLEDATA_TRANS_BLOCKS(sb) + \
EXT4_SINGLEDATA_TRANS_BLOCKS   94 fs/ext4/ext4_jbd2.h 		(EXT4_SINGLEDATA_TRANS_BLOCKS(sb)-3)+3+DQUOT_INIT_REWRITE) : 0)
EXT4_SINGLEDATA_TRANS_BLOCKS   96 fs/ext4/ext4_jbd2.h 		(EXT4_SINGLEDATA_TRANS_BLOCKS(sb)-3)+3+DQUOT_DEL_REWRITE) : 0)