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, 31 Aug 2016 16:48:00 +0000 (10:48 -0600)
commit0e46358e1a8d3061105429dfacd06ab2ad7b646d
tree52516c88883ab783807a47e38e3e38444aa21f1b
parent3eab887a55424fc2c27553b7bfe32330df83f7b8
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