md/raid5 revise rules for when to update metadata during reshape

[pandora-kernel.git] / drivers / md / raid5.h

diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index cdd0456..52ba999 100644 (file)
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -352,6 +352,8 @@ struct raid5_private_data {
        int                     previous_raid_disks;
        int                     prev_chunk, prev_algo;
        short                   generation; /* increments with every reshape */
+       unsigned long           reshape_checkpoint; /* Time we last updated
+                                                    * metadata */
 
        struct list_head        handle_list; /* stripes needing handling */
        struct list_head        hold_list; /* preread ready stripes */