writeback: use WRITE_SYNC for reclaim or sync writeback
authorJens Axboe <axboe@fb.com>
Wed, 23 Mar 2016 03:50:47 +0000 (21:50 -0600)
committerJens Axboe <axboe@fb.com>
Mon, 28 Mar 2016 15:13:01 +0000 (09:13 -0600)
commit46d270acefa8f268bc7c7375dad531843db3a54b
treee7b0f1c8d33b67a4a0db7ab0139d37beb8d67be2
parent9df8cf758f4c6b591e02755c7f5056bfe2e2999b
writeback: use WRITE_SYNC for reclaim or sync writeback

If we're doing reclaim or sync IO, use WRITE_SYNC to inform the lower
levels of the importance of this IO.

Signed-off-by: Jens Axboe <axboe@fb.com>
include/linux/writeback.h