block: remove REQ_ATOM_POLL_SLEPT
authorJens Axboe <axboe@kernel.dk>
Wed, 10 Jan 2018 18:30:56 +0000 (11:30 -0700)
committerJens Axboe <axboe@kernel.dk>
Wed, 10 Jan 2018 18:47:43 +0000 (11:47 -0700)
commit76a86f9d027b342b8759a4b2f9f7fe046e284220
tree05037d9a7d2b1057a01202fc989295e0f2ac51c2
parent5d75d3f2e736d6c8be79b677e10edb6af1bf7ed6
block: remove REQ_ATOM_POLL_SLEPT

We don't need this to be an atomic flag, it can be a regular
flag. We either end up on the same CPU for the polling, in which
case the state is sane, or we did the sleep which would imply
the needed barrier to ensure we see the right state.

Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-mq-debugfs.c
block/blk-mq.c
block/blk.h
include/linux/blkdev.h