raid5: track overwrite disk count

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

diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 37644e3..4cc1a48 100644 (file)
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -210,6 +210,10 @@ struct stripe_head {
        atomic_t                count;        /* nr of active thread/requests */
        int                     bm_seq; /* sequence number for bitmap flushes */
        int                     disks;          /* disks in stripe */
+       int                     overwrite_disks; /* total overwrite disks in stripe,
+                                                 * this is only checked when stripe
+                                                 * has STRIPE_BATCH_READY
+                                                 */
        enum check_states       check_state;
        enum reconstruct_states reconstruct_state;
        spinlock_t              stripe_lock;