Merge tag 'md-3.5-fixes' of git://neil.brown.name/md

Pull two md fixes from NeilBrown:
 "One sparse-warning fix, one bugfix for 3.4-stable"

* tag 'md-3.5-fixes' of git://neil.brown.name/md:
  md: raid1/raid10: fix problem with merge_bvec_fn
  lib/raid6: fix sparse warnings in recovery functions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 835de71..a9c7981 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2550,6 +2550,7 @@
 	err = -EINVAL;
 	spin_lock_init(&conf->device_lock);
 	rdev_for_each(rdev, mddev) {
+		struct request_queue *q;
 		int disk_idx = rdev->raid_disk;
 		if (disk_idx >= mddev->raid_disks
 		    || disk_idx < 0)
@@ -2562,6 +2563,9 @@
 		if (disk->rdev)
 			goto abort;
 		disk->rdev = rdev;
+		q = bdev_get_queue(rdev->bdev);
+		if (q->merge_bvec_fn)
+			mddev->merge_check_needed = 1;
 
 		disk->head_position = 0;
 	}
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 987db37..99ae606 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3475,6 +3475,7 @@
 
 	rdev_for_each(rdev, mddev) {
 		long long diff;
+		struct request_queue *q;
 
 		disk_idx = rdev->raid_disk;
 		if (disk_idx < 0)
@@ -3493,6 +3494,9 @@
 				goto out_free_conf;
 			disk->rdev = rdev;
 		}
+		q = bdev_get_queue(rdev->bdev);
+		if (q->merge_bvec_fn)
+			mddev->merge_check_needed = 1;
 		diff = (rdev->new_data_offset - rdev->data_offset);
 		if (!mddev->reshape_backwards)
 			diff = -diff;
diff --git a/lib/raid6/recov.c b/lib/raid6/recov.c
index 1805a5c..a95bccb 100644
--- a/lib/raid6/recov.c
+++ b/lib/raid6/recov.c
@@ -22,8 +22,8 @@
 #include <linux/raid/pq.h>
 
 /* Recover two failed data blocks. */
-void raid6_2data_recov_intx1(int disks, size_t bytes, int faila, int failb,
-		       void **ptrs)
+static void raid6_2data_recov_intx1(int disks, size_t bytes, int faila,
+		int failb, void **ptrs)
 {
 	u8 *p, *q, *dp, *dq;
 	u8 px, qx, db;
@@ -66,7 +66,8 @@
 }
 
 /* Recover failure of one data block plus the P block */
-void raid6_datap_recov_intx1(int disks, size_t bytes, int faila, void **ptrs)
+static void raid6_datap_recov_intx1(int disks, size_t bytes, int faila,
+		void **ptrs)
 {
 	u8 *p, *q, *dq;
 	const u8 *qmul;		/* Q multiplier table */
diff --git a/lib/raid6/recov_ssse3.c b/lib/raid6/recov_ssse3.c
index 37ae619..ecb710c 100644
--- a/lib/raid6/recov_ssse3.c
+++ b/lib/raid6/recov_ssse3.c
@@ -19,8 +19,8 @@
 		boot_cpu_has(X86_FEATURE_SSSE3);
 }
 
-void raid6_2data_recov_ssse3(int disks, size_t bytes, int faila, int failb,
-		       void **ptrs)
+static void raid6_2data_recov_ssse3(int disks, size_t bytes, int faila,
+		int failb, void **ptrs)
 {
 	u8 *p, *q, *dp, *dq;
 	const u8 *pbmul;	/* P multiplier table for B data */
@@ -194,7 +194,8 @@
 }
 
 
-void raid6_datap_recov_ssse3(int disks, size_t bytes, int faila, void **ptrs)
+static void raid6_datap_recov_ssse3(int disks, size_t bytes, int faila,
+		void **ptrs)
 {
 	u8 *p, *q, *dq;
 	const u8 *qmul;		/* Q multiplier table */