Messages in this thread | | | Date | Wed, 10 Sep 2014 01:43:16 +0900 | From | Tejun Heo <> | Subject | Re: [PATCH] Block: fix unbalanced bypass-disable in blk_register_queue |
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On Tue, Sep 09, 2014 at 11:50:58AM -0400, Alan Stern wrote: > When a queue is registered, the block layer turns off the bypass > setting (because bypass is enabled when the queue is created). This > doesn't work well for queues that are unregistered and then registered > again; we get a WARNING because of the unbalanced calls to > blk_queue_bypass_end(). > > This patch fixes the problem by making blk_register_queue() call > blk_queue_bypass_end() only the first time the queue is registered. > > Signed-off-by: Alan Stern <stern@rowland.harvard.edu> > CC: Tejun Heo <tj@kernel.org> > CC: James Bottomley <James.Bottomley@HansenPartnership.com> > CC: Jens Axboe <axboe@kernel.dk>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
-- tejun
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