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-rw-r--r--fs/btrfs/subpage.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/subpage.h b/fs/btrfs/subpage.h
index 4d7aca85d915..0120948f37a1 100644
--- a/fs/btrfs/subpage.h
+++ b/fs/btrfs/subpage.h
@@ -126,4 +126,7 @@ DECLARE_BTRFS_SUBPAGE_OPS(ordered);
bool btrfs_subpage_clear_and_test_dirty(const struct btrfs_fs_info *fs_info,
struct page *page, u64 start, u32 len);
+void btrfs_page_assert_not_dirty(const struct btrfs_fs_info *fs_info,
+ struct page *page);
+
#endif