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-rw-r--r--drivers/md/raid10.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 987db37cb875..99ae6068e456 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3475,6 +3475,7 @@ static int run(struct mddev *mddev)
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 @@ static int run(struct mddev *mddev)
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;
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