diff options
| -rw-r--r-- | fs/btrfs/extent_map.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index ff2b1dd25bf9..162766773a32 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -1607,7 +1607,12 @@ int extent_write_full_page(struct extent_map_tree *tree, struct page *page, continue; } clear_extent_dirty(tree, cur, cur + iosize - 1, GFP_NOFS); - ret = tree->ops->writepage_io_hook(page, cur, cur + iosize - 1); + if (tree->ops && tree->ops->writepage_io_hook) { + ret = tree->ops->writepage_io_hook(page, cur, + cur + iosize - 1); + } else { + ret = 0; + } if (ret) SetPageError(page); else { |