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Re: [PATCH 18/18] xfs: enable sparse inode chunks for v5 superblocks

To: Brian Foster <bfoster@xxxxxxxxxx>
Subject: Re: [PATCH 18/18] xfs: enable sparse inode chunks for v5 superblocks
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Fri, 25 Jul 2014 09:34:45 +1000
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1406211788-63206-19-git-send-email-bfoster@xxxxxxxxxx>
References: <1406211788-63206-1-git-send-email-bfoster@xxxxxxxxxx> <1406211788-63206-19-git-send-email-bfoster@xxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Jul 24, 2014 at 10:23:08AM -0400, Brian Foster wrote:
> Enable the use and processing of sparse inode chunks.  Fix the
> xfs_sb_version_hassparseinodes() helper to allow the allocation of
> sparse chunks on v5 format superblocks. Add the incompat. feature bit to
> the *_ALL mask such that fs' with sparse chunks can be mounted.

Interesting way of allowing XFS_SB_FEAT_INCOMPAT_SPINODES to be
optional. :)

I didn't expect it to be used this way, hence my earlier comments
about chicken and egg feature bits. I still think I'd like this to
be explicit rather than just added when the format first changes...

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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