From mboxrd@z Thu Jan  1 00:00:00 1970
From: paul.grabinar@ranbarg.com (Paul Grabinar)
Date: Mon, 13 Jul 2015 20:22:45 +0100
Subject: Partitions and end-to-end protection
In-Reply-To: <alpine.LNX.2.00.1507131909210.15930@localhost.lm.intel.com>
References: <55A40881.5000108@ranbarg.com>
 <alpine.LNX.2.00.1507131909210.15930@localhost.lm.intel.com>
Message-ID: <55A41005.9060808@ranbarg.com>

On 13/07/15 20:16, Keith Busch wrote:
> On Mon, 13 Jul 2015, Paul Grabinar wrote:
>> What seems to be happening is that the driver starts off by setting the
>> capacity to zero whilst it validates the meta-data configuration and
>> then sets the real size after this validation. However, setting the
>> capacity does not seem to be enough to tell the kernel to re-read the
>> partition table.
>
> The driver did it this way because we need a disk allocated before we can
> subscribe to block integrity extensions. I think we can fix the partition
> issue by making a call to blkdev_reread_part() right after the second
> revalidate_disk if the namespace is a meta-data formatted. I'll test it
> out and post a patch if it works out.
>

Thanks Keith.