offset_in_extent 4736 fs/btrfs/extent_io.c 		u64 offset_in_extent = 0;
offset_in_extent 4757 fs/btrfs/extent_io.c 			offset_in_extent = em_start - em->start;
offset_in_extent 4762 fs/btrfs/extent_io.c 			disko = em->block_start + offset_in_extent;