Merge branch 'master' into for-next

[cascardo/linux.git] / include / linux / journal-head.h

diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
index 525aac3..44e95d0 100644 (file)
--- a/include/linux/journal-head.h
+++ b/include/linux/journal-head.h
@@ -40,6 +40,13 @@ struct journal_head {
         */
        unsigned b_modified;
 
+       /*
+        * This feild tracks the last transaction id in which this buffer
+        * has been cowed
+        * [jbd_lock_bh_state()]
+        */
+       unsigned b_cow_tid;
+
        /*
         * Copy of the buffer data frozen for writing to the log.
         * [jbd_lock_bh_state()]