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Re: [PATCH 20/48] xfs: add CRC checks to the superblock

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 20/48] xfs: add CRC checks to the superblock
From: Ben Myers <bpm@xxxxxxx>
Date: Thu, 25 Jul 2013 16:48:42 -0500
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1370564771-4929-21-git-send-email-david@xxxxxxxxxxxxx>
References: <1370564771-4929-1-git-send-email-david@xxxxxxxxxxxxx> <1370564771-4929-21-git-send-email-david@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
On Fri, Jun 07, 2013 at 10:25:43AM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> With the addition of CRCs, there is such a wide and varied change to
> the on disk format that it makes sense to bump the superblock
> version number rather than try to use feature bits for all the new
> functionality.
> This commit introduces all the new superblock fields needed for all
> the new functionality: feature masks similar to ext4, separate
> project quota inodes, a LSN field for recovery and the CRC field.
> This commit does not bump the superblock version number, however.
> That will be done as a separate commit at the end of the series
> after all the new functionality is present so we switch it all on in
> one commit. This means that we can slowly introduce the changes
> without them being active and hence maintain bisectability of the
> tree.
> This patch is based on a patch originally written by myself back
> from SGI days, which was subsequently modified by Christoph Hellwig.
> There is relatively little of that patch remaining, but the history
> of the patch still should be acknowledged here.
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>

corresponds to commit 04a1e6c5b222b

Looks good.

Reviewed-by: Ben Myers <bpm@xxxxxxx>

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