From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sagi Grimberg <sagig@dev.mellanox.co.il>
Subject: Re: [PATCH] scsi: Fix a bdi reregistration race
Date: Sun, 20 Sep 2015 12:57:56 +0300
Message-ID: <55FE8324.9000604@dev.mellanox.co.il>
References: <55FCAB0E.3020707@sandisk.com>
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To: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: James Bottomley <jbottomley@odin.com>, Hannes Reinecke <hare@suse.de>, Christoph Hellwig <hch@lst.de>, "Martin K. Petersen" <martin.petersen@oracle.com>, "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>

On 9/19/2015 3:23 AM, Bart Van Assche wrote:
> Unregister and reregister BDI devices in the proper order. This patch
> avoids that the following kernel warning can get triggered:

Hi Bart,

Can you share the scenario that reproduced this? I think I might
have seen this before.

Thanks,
Sagi.