block: add WRITE_BG
authorJens Axboe <axboe@fb.com>
Thu, 14 Apr 2016 15:51:10 +0000 (09:51 -0600)
committerJens Axboe <axboe@fb.com>
Tue, 26 Apr 2016 15:51:21 +0000 (09:51 -0600)
commit8a99b2d6679bacb211ae919960763816d483b114
treebd9b1009f4237cb0881b6197a501734bf03642e3
parent7023e6d2906997e0f1de6df617eca64a0c3ca1d9
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