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Re: [PATCH 00/10] quotactl fixed and cleanups

To: Jan Kara <jack@xxxxxxx>
Subject: Re: [PATCH 00/10] quotactl fixed and cleanups
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 16 Feb 2010 14:12:07 -0500
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, swhiteho@xxxxxxxxxx, xfs@xxxxxxxxxxx
In-reply-to: <20100216183627.GC3153@xxxxxxxxxxxxx>
References: <20100216084446.377980079@xxxxxxxxxxxxxxxxxxxxxx> <20100216183627.GC3153@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05)
On Tue, Feb 16, 2010 at 07:36:28PM +0100, Jan Kara wrote:
>   Thanks for the cleanups. Upto a few fixed typos and whitespace errors
> I've merged your patchset into my tree.
>   As a side note, OCFS2 implements XFS-style clustered quotas using current
> VFS quota subsystem (and quota file format) so my naive feeling is that at
> least GFS2 should fit in there as well. But maybe I'm wrong.

The file format is one big difference.  The other is that having the
quota code in the filesystem allows much nicer integration with the
transaction code.  Anyway, my next step is to support both the
current "VFS" and the "XFS" quota interface independent of the
underlying implementation, at least for the runtime calls.  The
quota on/off bits are a bit too different, but it might be a good
idea to handle those everywhere primarily via mount options and
deprecate most of the old calls, but keep supporting them for a long
time.  After that I plan to look a bit more in the quota implementation
and look for sharing opportunities, but it might take a while until I
get to that.

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