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authorJens Axboe <axboe@fb.com>2017-05-03 20:08:14 +0300
committerJens Axboe <axboe@fb.com>2017-05-03 20:44:43 +0300
commit2719aa217e0d025dbfce74ac777815776ccec072 (patch)
tree1336e56bf590c61da30f2fe56a3d3dfeb563e70f /.get_maintainer.ignore
parent6f63503c8af569fcd60bb27dfe740d13be0030f6 (diff)
downloadlinux-2719aa217e0d025dbfce74ac777815776ccec072.tar.xz
blk-mq: don't use sync workqueue flushing from drivers
A previous commit introduced the sync flush, which we need from internal callers like blk_mq_quiesce_queue(). However, we also call the stop helpers from drivers, particularly from ->queue_rq() when we have to stop processing for a bit. We can't block from those locations, and we don't have to guarantee that we're fully flushed. Fixes: 9f993737906b ("blk-mq: unify hctx delayed_run_work and run_work") Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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