mm: Protect operations adding pages to page cache with invalidate_lock

[linux-2.6-microblaze.git] / mm / truncate.c

diff --git a/mm/truncate.c b/mm/truncate.c
index 0f9bece..44ad5e5 100644 (file)
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -412,7 +412,8 @@ EXPORT_SYMBOL(truncate_inode_pages_range);
  * @mapping: mapping to truncate
  * @lstart: offset from which to truncate
  *
- * Called under (and serialised by) inode->i_rwsem.
+ * Called under (and serialised by) inode->i_rwsem and
+ * mapping->invalidate_lock.
  *
  * Note: When this function returns, there can be a page in the process of
  * deletion (inside __delete_from_page_cache()) in the specified range.  Thus