Revert "blk-mq, percpu_ref: implement a kludge for SCSI blk-mq stall during probe"
authorTejun Heo <tj@kernel.org>
Wed, 24 Sep 2014 17:07:33 +0000 (13:07 -0400)
committerTejun Heo <tj@kernel.org>
Wed, 24 Sep 2014 17:07:33 +0000 (13:07 -0400)
commit9eca80461a45177e456219a9cd944c27675d6512
tree88652d4a20e98ba2bc503e110edf45c94a3f6699
parentd06efebf0c37d438fcf07057be00dd40fcfce08d
Revert "blk-mq, percpu_ref: implement a kludge for SCSI blk-mq stall during probe"

This reverts commit 0a30288da1aec914e158c2d7a3482a85f632750f, which
was a temporary fix for SCSI blk-mq stall issue.  The following
patches will fix the issue properly by introducing atomic mode to
percpu_ref.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>
block/blk-mq.c
include/linux/percpu-refcount.h
lib/percpu-refcount.c