linux-ext4 - Re: [PATCH 0/6] Extended file stat system call

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Date:	Fri, 27 Apr 2012 11:10:57 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	David Howells <dhowells@...hat.com>, linux-fsdevel@...r.kernel.org,
	linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
	samba-technical@...ts.samba.org, linux-ext4@...r.kernel.org,
	wine-devel@...ehq.org, kfm-devel@....org, nautilus-list@...me.org,
	linux-api@...r.kernel.org, libc-alpha@...rceware.org
Subject: Re: [PATCH 0/6] Extended file stat system call

On Fri, Apr 27, 2012 at 11:13:06PM +1000, Dave Chinner wrote:
> Right now it is, but there's ben patches in the past to introduce
> project quotas to ext4. That didn't go far because it was done in a
> way that was semantically different to XFS (for no reason that I
> could understand) and nobody wanted two different sets of semantics
> for the "same" feature.  The most common use of project quotas is to
> implement sub-tree quotas,

(Though it's also useful as a way to do safe subtree NFS exports).

--b.

> which is probably of more interest to
> btrfs folks as it is an exact match for per-subvolume quotas.
> 
> So, yes, I do see it as something generically useful - it's a
> feature that a lot of people use XFS specifically for....
> 
> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> david@...morbit.com
> --
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