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Revert "blk-mq, percpu_ref: implement a kludge for SCSI blk-mq stall during probe"

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This reverts commit 0a30288da1, 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>
This commit is contained in:
Tejun Heo
2014-09-24 13:07:33 -04:00
parent d06efebf0c
commit 9eca80461a
3 changed files with 1 additions and 27 deletions
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include/linux/percpu-refcount.h
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@@ -72,7 +72,6 @@ void percpu_ref_reinit(struct percpu_ref *ref);
void percpu_ref_exit(struct percpu_ref *ref);
void percpu_ref_kill_and_confirm(struct percpu_ref *ref,
percpu_ref_func_t *confirm_kill);
void __percpu_ref_kill_expedited(struct percpu_ref *ref);
/**
* percpu_ref_kill - drop the initial ref