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From: "Stephen C. Tweedie" <sct@redhat.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Mingming Cao <cmm@us.ibm.com>,
	Badari Pulavarty <pbadari@us.ibm.com>,
	Ram Pai <linuxram@us.ibm.com>, Stephen Tweedie <sct@redhat.com>
Subject: Re: [Patch 2/6]: ext3 reservations: Renumber the ext3 reservations ioctls
Date: 08 Sep 2004 10:41:38 +0100	[thread overview]
Message-ID: <1094636497.1985.20.camel@sisko.scot.redhat.com> (raw)
In-Reply-To: <20040907235327.A21397@infradead.org>

Hi,

On Tue, 2004-09-07 at 23:53, Christoph Hellwig wrote:

> Maybe you could reuse the XFS reservation ioctls instead of adding
> another set?  Having incompatible APIs for the same thing on different
> filesystems sounds like the wrong way to go.

I don't mind either way.  But I just looked, and I think they are doing
different things.  If I'm reading the XFS bits right, the XFS ioctls
actively reserve/free disk space; but the ext3 ones do nothing except
set/query the size of the per-inode sliding reservation window.

So sounds like they are best kept separate for now.

Cheers,
 Stephen


  reply	other threads:[~2004-09-08  9:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-07 13:02 [Patch 2/6]: ext3 reservations: Renumber the ext3 reservations ioctls Stephen Tweedie
2004-09-07 22:53 ` Christoph Hellwig
2004-09-08  9:41   ` Stephen C. Tweedie [this message]
2004-09-09 17:57     ` Christoph Hellwig

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