blk-mq: don't bounce by default
authorChristoph Hellwig <hch@lst.de>
Mon, 19 Jun 2017 07:26:24 +0000 (09:26 +0200)
committerJens Axboe <axboe@kernel.dk>
Tue, 27 Jun 2017 18:13:45 +0000 (12:13 -0600)
commit46685d1a9521054fa3a7a352f6bb54166cd5b2c5
tree4da41c3661d2fc577ff72d36ab53e64c8d803c62
parent0b0bcacc3b4300c4bba0bacb4c7a279b2728f331
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>
block/blk-mq.c
drivers/block/virtio_blk.c
drivers/block/xen-blkfront.c