From: Jens Axboe <axboe@kernel.dk>
To: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>, Mike Snitzer <snitzer@redhat.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>
Subject: Re: [PATCH] block: Fix race triggered by blk_set_queue_dying()
Date: Tue, 16 Aug 2016 19:37:16 -0600 [thread overview]
Message-ID: <e6644369-db59-215e-bd01-0f2b623fdbb6@kernel.dk> (raw)
In-Reply-To: <e50dbd54-30fb-bf59-0ce6-5ccf1d830017@sandisk.com>
On 08/16/2016 05:48 PM, Bart Van Assche wrote:
> blk_set_queue_dying() can be called while another thread is
> submitting I/O or changing queue flags, e.g. through dm_stop_queue().
> Hence protect the QUEUE_FLAG_DYING flag change with locking.
Added, thanks.
--
Jens Axboe
prev parent reply other threads:[~2016-08-17 1:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-16 23:48 [PATCH] block: Fix race triggered by blk_set_queue_dying() Bart Van Assche
2016-08-17 1:37 ` Jens Axboe [this message]
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