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-rw-r--r--fs/btrfs/disk-io.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 22443fac940..77fa2d99252 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -475,14 +475,8 @@ static int csum_dirty_buffer(struct btrfs_root *root, struct page *page)
if (page != eb->pages[0])
return 0;
found_start = btrfs_header_bytenr(eb);
- if (found_start != start) {
- WARN_ON(1);
+ if (WARN_ON(found_start != start || !PageUptodate(page)))
return 0;
- }
- if (!PageUptodate(page)) {
- WARN_ON(1);
- return 0;
- }
csum_tree_block(root, eb, 0);
return 0;
}