Lines Matching refs:em_tree
892 struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree; in check_defrag_in_cache() local
895 read_lock(&em_tree->lock); in check_defrag_in_cache()
896 em = lookup_extent_mapping(em_tree, offset, PAGE_SIZE); in check_defrag_in_cache()
897 read_unlock(&em_tree->lock); in check_defrag_in_cache()
983 struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree; in defrag_lookup_extent() local
992 read_lock(&em_tree->lock); in defrag_lookup_extent()
993 em = lookup_extent_mapping(em_tree, start, len); in defrag_lookup_extent()
994 read_unlock(&em_tree->lock); in defrag_lookup_extent()
3339 struct extent_map_tree *em_tree = &inode->extent_tree; in clone_update_extent_map() local
3373 write_lock(&em_tree->lock); in clone_update_extent_map()
3374 ret = add_extent_mapping(em_tree, em, 1); in clone_update_extent_map()
3375 write_unlock(&em_tree->lock); in clone_update_extent_map()