lblk_start 390 fs/ext4/extents_status.c ext4_lblk_t lblk_start, lblk_end; lblk_start 392 fs/ext4/extents_status.c lblk_start = EXT4_LBLK_CMASK(sbi, lblk); lblk_start 393 fs/ext4/extents_status.c lblk_end = lblk_start + sbi->s_cluster_ratio - 1; lblk_start 395 fs/ext4/extents_status.c return __es_scan_range(inode, matching_fn, lblk_start, lblk_end);