em_cached        3024 fs/btrfs/extent_io.c 		 struct extent_map **em_cached)
em_cached        3028 fs/btrfs/extent_io.c 	if (em_cached && *em_cached) {
em_cached        3029 fs/btrfs/extent_io.c 		em = *em_cached;
em_cached        3037 fs/btrfs/extent_io.c 		*em_cached = NULL;
em_cached        3041 fs/btrfs/extent_io.c 	if (em_cached && !IS_ERR_OR_NULL(em)) {
em_cached        3042 fs/btrfs/extent_io.c 		BUG_ON(*em_cached);
em_cached        3044 fs/btrfs/extent_io.c 		*em_cached = em;
em_cached        3058 fs/btrfs/extent_io.c 			 struct extent_map **em_cached,
em_cached        3123 fs/btrfs/extent_io.c 				      end - cur + 1, get_extent, em_cached);
em_cached        3267 fs/btrfs/extent_io.c 					     struct extent_map **em_cached,
em_cached        3278 fs/btrfs/extent_io.c 		__do_readpage(tree, pages[index], btrfs_get_extent, em_cached,
em_cached        4338 fs/btrfs/extent_io.c 	struct extent_map *em_cached = NULL;
em_cached        4367 fs/btrfs/extent_io.c 				     contig_end, &em_cached, &bio, &bio_flags,
em_cached        4372 fs/btrfs/extent_io.c 	if (em_cached)
em_cached        4373 fs/btrfs/extent_io.c 		free_extent_map(em_cached);