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authorChristoph Hellwig <hch@lst.de>2017-06-19 09:26:24 +0200
committerJens Axboe <axboe@kernel.dk>2017-06-27 12:13:45 -0600
commit46685d1a9521054fa3a7a352f6bb54166cd5b2c5 (patch)
tree4da41c3661d2fc577ff72d36ab53e64c8d803c62 /drivers/block/xen-blkfront.c
parent0b0bcacc3b4300c4bba0bacb4c7a279b2728f331 (diff)
blk-mq: don't bounce by default
For historical reasons we default to bouncing highmem pages for all block queues. But the blk-mq drivers are easy to audit to ensure that we don't need this - scsi and mtip32xx set explicit limits and everyone else doesn't have any particular ones. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/xen-blkfront.c')
-rw-r--r--drivers/block/xen-blkfront.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index ac90093fcb25..c852ed3c01d5 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -953,9 +953,6 @@ static void blkif_set_queue_limits(struct blkfront_info *info)
/* Make sure buffer addresses are sector-aligned. */
blk_queue_dma_alignment(rq, 511);
-
- /* Make sure we don't use bounce buffers. */
- blk_queue_bounce_limit(rq, BLK_BOUNCE_ANY);
}
static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size,