132 static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
1105 	struct extent_map *em;  in submit_one_async_extent()
1217 	struct extent_map *em;  in get_extent_allocation_hint()
1288 	struct extent_map *em;  in cow_file_range()
2138 			struct extent_map *em;  in run_delalloc_nocow()
2619 		struct extent_map *em;  in btrfs_find_new_delalloc_bytes()
4853 	struct extent_map *em = NULL;  in btrfs_cont_expand()
4890 			struct extent_map *hole_em;  in btrfs_cont_expand()
6728 struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,  in btrfs_get_extent()
6743 	struct extent_map *em = NULL;  in btrfs_get_extent()
6922 static struct extent_map *btrfs_create_dio_extent(struct btrfs_inode *inode,  in btrfs_create_dio_extent()
6933 	struct extent_map *em = NULL;  in btrfs_create_dio_extent()
6965 static struct extent_map *btrfs_new_extent_direct(struct btrfs_inode *inode,  in btrfs_new_extent_direct()
6971 	struct extent_map *em;  in btrfs_new_extent_direct()
7220 static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,  in create_io_em()
7226 	struct extent_map *em;  in create_io_em()
7265 static int btrfs_get_blocks_direct_write(struct extent_map **map,  in btrfs_get_blocks_direct_write()
7273 	struct extent_map *em = *map;  in btrfs_get_blocks_direct_write()
7312 		struct extent_map *em2;  in btrfs_get_blocks_direct_write()
7413 	struct extent_map *em;  in btrfs_dio_iomap_begin()
9548 	struct extent_map *em;  in __btrfs_prealloc_file_range()
10036 	struct extent_map *em;  in btrfs_encoded_read()
10187 	struct extent_map *em;  in btrfs_do_encoded_write()
10549 	struct extent_map *em = NULL;  in btrfs_swap_activate()