prev_lblk        3597 fs/ext4/extents.c 		ext4_lblk_t prev_lblk;
prev_lblk        3602 fs/ext4/extents.c 		prev_lblk = le32_to_cpu(abut_ex->ee_block);
prev_lblk        3617 fs/ext4/extents.c 			((prev_lblk + prev_len) == ee_block) &&		/*C2*/