block: add WRITE_BG
authorJens Axboe <axboe@fb.com>
Wed, 27 Jul 2016 21:30:35 +0000 (15:30 -0600)
committerJens Axboe <axboe@fb.com>
Tue, 25 Oct 2016 02:55:31 +0000 (20:55 -0600)
commitcb665c0eed2159a4f4ec2d08fb6ebf722543f8b7
treea5415bb12f85ba25a225bf3d5ebdb02539a5110c
parent07d9a380680d1c0eb51ef87ff2eab5c994949e69
block: add WRITE_BG

This adds a new request flag, REQ_BG, that callers can use to tell
the block layer that this is background (non-urgent) IO.

Signed-off-by: Jens Axboe <axboe@fb.com>
include/linux/blk_types.h
include/linux/fs.h