diff options
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 1e725a48467c..55b2e1426024 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -798,6 +798,7 @@ static int btrfs_cow_one_page(struct inode *inode, struct page *page, u64 page_start = (u64)page->index << PAGE_CACHE_SHIFT; u64 page_end = page_start + PAGE_CACHE_SIZE - 1; + WARN_ON(!PageLocked(page)); set_page_extent_mapped(page); lock_extent(em_tree, page_start, page_end, GFP_NOFS); |