blk-throttle: add configure option for new .low interface
authorShaohua Li <shli@fb.com>
Mon, 27 Mar 2017 17:51:31 +0000 (10:51 -0700)
committerJens Axboe <axboe@fb.com>
Tue, 28 Mar 2017 14:02:20 +0000 (08:02 -0600)
commit327ffb9b37a9df80dad4fa176fbf0c0fb1ac4ac0
tree7f195b776921f0f4d090c29c94fcdfc7bd600522
parent9f626e372a602486fa319c2c6ab18e8068b30094
blk-throttle: add configure option for new .low interface

As discussed in LSF, add configure option for the interface and mark it
as experimental, so people can try/test.

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/Kconfig