block: add WRITE_BG
authorJens Axboe <axboe@fb.com>
Thu, 21 Jul 2016 17:01:47 +0000 (11:01 -0600)
committerJens Axboe <axboe@fb.com>
Tue, 26 Jul 2016 02:57:54 +0000 (20:57 -0600)
commitfbc26597009bc195322be72f7ffc1f4395e455cd
tree1121c28456355bfac276a381b32da7f4ad33b7dc
parent523d939ef98fd712632d93a5a2b588e477a7565e
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