Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
[firefly-linux-kernel-4.4.55.git] / drivers / md / raid5.h
index d6470dec667ac2df2c798dd2d252b64b89bcdd3f..2ace0582b4098f102cb294aac4355c025ad4723e 100644 (file)
@@ -275,6 +275,7 @@ struct r6_state {
                                    * filling
                                    */
 #define R5_Wantdrain   13 /* dev->towrite needs to be drained */
+#define R5_WantFUA     14      /* Write should be FUA */
 /*
  * Write method
  */
@@ -398,6 +399,9 @@ struct raid5_private_data {
                                            * (fresh device added).
                                            * Cleared when a sync completes.
                                            */
+
+       struct plug_handle      plug;
+
        /* per cpu variables */
        struct raid5_percpu {
                struct page     *spare_page; /* Used when checking P/Q in raid6 */
@@ -499,5 +503,6 @@ static inline int algorithm_is_DDF(int layout)
 }
 
 extern int md_raid5_congested(mddev_t *mddev, int bits);
+extern void md_raid5_unplug_device(raid5_conf_t *conf);
 extern int raid5_set_cache_size(mddev_t *mddev, int size);
 #endif