j_blk_offset      279 fs/ext4/fsmap.c 	irec.fmr_physical = journal->j_blk_offset;
j_blk_offset     1158 fs/jbd2/journal.c 	journal->j_blk_offset = start;
j_blk_offset      934 include/linux/jbd2.h 	unsigned long long	j_blk_offset;