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, 4 Oct 2016 16:18:57 +0000 (10:18 -0600)
commitb2a5e10257a5cbdcdd8a55726ff3fb0fe40085cf
tree889a9962d296ea2649aeb4ca3e90b3d88368be00
parentc8d2bc9bc39ebea8437fd974fdbc21847bb897a3
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