1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 2390e0e83daf..dd708359b451 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -214,12 +214,20 @@ struct stripe_head {
         int                     disks;          /* disks in stripe */
         enum check_states       check_state;
         enum reconstruct_states reconstruct_state;
-        /* stripe_operations
+        /**
+         * struct stripe_operations
          * @target - STRIPE_OP_COMPUTE_BLK target
+         * @target2 - 2nd compute target in the raid6 case
+         * @zero_sum_result - P and Q verification flags
+         * @request - async service request flags for raid_run_ops
          */
         struct stripe_operations {
                 int                  target, target2;
                 enum sum_check_flags zero_sum_result;
+                #ifdef CONFIG_MULTICORE_RAID456
+                unsigned long        request;
+                wait_queue_head_t    wait_for_ops;
+                #endif
         } ops;
         struct r5dev {
                 struct bio      req;
@@ -294,6 +302,8 @@ struct r6_state {
 #define STRIPE_FULL_WRITE       13 /* all blocks are set to be overwritten */
 #define STRIPE_BIOFILL_RUN      14
 #define STRIPE_COMPUTE_RUN      15
+#define STRIPE_OPS_REQ_PENDING  16
+
 /*
  * Operation request flags
  */
@@ -478,7 +488,7 @@ static inline int algorithm_valid_raid6(int layout)
 {
         return (layout >= 0 && layout <= 5)
                 ||
-                (layout == 8 || layout == 10)
+                (layout >= 8 && layout <= 10)
                 ||
                 (layout >= 16 && layout <= 20);
 }