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virtio_blk: switch to using blk_queue_write_cache()

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Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Jens Axboe 2016-03-30 10:12:58 -06:00
parent 12c95f137d
commit ad9126ac72
1 changed files with 1 additions and 5 deletions
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6
drivers/block/virtio_blk.c
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@ -493,11 +493,7 @@ static void virtblk_update_cache_mode(struct virtio_device *vdev)
u8 writeback = virtblk_get_cache_mode(vdev);
struct virtio_blk *vblk = vdev->priv;
if (writeback)
blk_queue_flush(vblk->disk->queue, REQ_FLUSH);
else
blk_queue_flush(vblk->disk->queue, 0);
blk_queue_write_cache(vblk->disk->queue, writeback, false);
revalidate_disk(vblk->disk);
}