null_blk: update usage hints for submit_queues
authorweiping zhang <zhangweiping@didichuxing.com>
Fri, 13 Oct 2017 16:26:28 +0000 (00:26 +0800)
committerJens Axboe <axboe@kernel.dk>
Fri, 13 Oct 2017 16:52:37 +0000 (10:52 -0600)
commit23c4490d2b7f78a855f9c5675e26735fb61afe84
tree6709092ab74eed57edb1373e384e9dd94607862b
parentcdd094fd0ad750c94ccaa5b2ee84fd8264f6f433
null_blk: update usage hints for submit_queues

update the range of submits_queues, and correct usage hints.

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Documentation/block/null_blk.txt