diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index a9d8aa65416f..1d00bce21c37 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -243,6 +243,7 @@ static void nilfs_copy_folio(struct folio *dst, struct folio *src,
 int nilfs_copy_dirty_pages(struct address_space *dmap,
 			   struct address_space *smap)
 {
+	struct inode *smap_inode = smap->host;
 	struct folio_batch fbatch;
 	unsigned int i;
 	pgoff_t index = 0;
@@ -258,8 +259,19 @@ int nilfs_copy_dirty_pages(struct address_space *dmap,
 		struct folio *folio = fbatch.folios[i], *dfolio;
 
 		folio_lock(folio);
-		if (unlikely(!folio_test_dirty(folio)))
-			NILFS_FOLIO_BUG(folio, "inconsistent dirty state");
+		if (unlikely(!folio_test_dirty(folio))) {
+			if (WARN_ONCE(!sb_rdonly(smap_inode->i_sb),
+					"inconsistent dirty state\n"))
+				goto unlock_folio;
+
+			/*
+			 * If the filesystem has been forced to read-only
+			 * due to metadata corruption.
+			 */
+			folio_unlock(folio);
+			err = -EROFS;
+			break;
+		}
 
 		dfolio = filemap_grab_folio(dmap, folio->index);
 		if (IS_ERR(dfolio)) {
@@ -277,6 +289,7 @@ int nilfs_copy_dirty_pages(struct address_space *dmap,
 
 		folio_unlock(dfolio);
 		folio_put(dfolio);
+unlock_folio:
 		folio_unlock(folio);
 	}
 	folio_batch_release(&fbatch);