[PATCH] invalidate_inode_pages2_range() debug

[linux-drm-fsl-dcu.git] / mm / truncate.c

diff --git a/mm/truncate.c b/mm/truncate.c
index f4edbc179d14423e1f3acf9555b96bc9795b37bc..fca28839c46e895e6d137ca7497c98736be348bd 100644 (file)
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -396,6 +396,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
                pagevec_release(&pvec);
                cond_resched();
        }
+       WARN_ON_ONCE(ret);
        return ret;
 }
 EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);