linux-kernel - Re: [PATCH 0/3] mdraid sb and bitmap write alignment on 512e drives

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Message-ID: <b6071554-6e5f-bd4c-bc4a-ced9a0dbf403@redhat.com>
Date:   Tue, 3 Nov 2020 16:32:37 +0800
From:   Xiao Ni <xni@...hat.com>
To:     Chris Unkel <cunkel@...vescale.com>
Cc:     linux-raid <linux-raid@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Song Liu <song@...nel.org>
Subject: Re: [PATCH 0/3] mdraid sb and bitmap write alignment on 512e drives



On 11/03/2020 02:59 AM, Chris Unkel wrote:
> Hi Xiao,
>
> That particular array is super1.2.  The block trace was captured on
> the disk underlying the partition device on which the md array member
> resides, not on the partition device itself.  The partition starts
> 2048 sectors into the disk (1MB).  So the 2048 sectors offset to the
> beginning of the partition, plus the 8 sector superblock offset for
> super1.2 ends up at 2056.
>
> Sorry for the confusion there.
>
> Regards,
>
>   --Chris

Thanks for the explanation. I still have some questions in other emails 
about
your patch. Could you have a look when you are free.

Regards
Xiao