diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index cf1de75f088..e22960e2350 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -436,6 +436,12 @@ static int btree_releasepage(struct page *page, gfp_t gfp_flags) struct extent_map_tree *map; int ret; + if (page_count(page) > 3) { + /* once for page->private, once for the caller, once + * once for the page cache + */ + return 0; + } tree = &BTRFS_I(page->mapping->host)->io_tree; map = &BTRFS_I(page->mapping->host)->extent_tree; ret = try_release_extent_mapping(map, tree, page, gfp_flags);