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>
Wed, 7 Sep 2016 14:39:49 +0000 (08:39 -0600)
commit273d4cb9fc3d75b6b7f147d1a064f75a5412a76c
treed7a4b2d6d27a341e41174bee0f1003edd015f12b
parentc6935931c1894ff857616ff8549b61236a19148f
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