blk-mq: support at_head inserations for blk_execute_rq
authorChristoph Hellwig <hch@infradead.org>
Tue, 18 Feb 2014 17:24:00 +0000 (09:24 -0800)
committerJens Axboe <axboe@fb.com>
Mon, 30 Mar 2015 18:54:41 +0000 (12:54 -0600)
commit1415311ffd8ee31ce4f13f64a76d55e9b53fa4b2
tree4b96083735ab36cdc522012c0a5beb216e91414d
parent6e9915d8e7c61c9987f0de6057b1d827c1ebcaa5
blk-mq: support at_head inserations for blk_execute_rq

This is neede for proper SG_IO operation as well as various uses of
blk_execute_rq from the SCSI midlayer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-exec.c
block/blk-mq.c
include/linux/blk-mq.h