Btrfs: assert page dirty bit on extent buffer pages

Just in case that someone breaks the rule that pages are dirty as long as eb is dirty. The next patch will dirty the pages conditionally. Signed-off-by: Liu Bo <[email protected]> Reviewed-by: Nikolay Borisov <[email protected]> Reviewed-by: David Sterba <[email protected]> Signed-off-by: David Sterba <[email protected]>
krohei · Oct 15, 2018 · 51995c3 · 51995c3
1 parent 98e6b1e
commit 51995c3
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
@@ -5176,6 +5176,12 @@ int set_extent_buffer_dirty(struct extent_buffer *eb)
 
 	for (i = 0; i < num_pages; i++)
 		set_page_dirty(eb->pages[i]);
+
+#ifdef CONFIG_BTRFS_DEBUG
+	for (i = 0; i < num_pages; i++)
+		ASSERT(PageDirty(eb->pages[i]));
+#endif
+
 	return was_dirty;
 }