linux-kernel - Re: [PATCH 4/7][TAKE5] support new modes in fallocate

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Date:	Wed, 11 Jul 2007 10:05:16 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	David Chinner <dgc@....com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>,
	Andreas Dilger <adilger@...sterfs.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org, suparna@...ibm.com, cmm@...ibm.com,
	xfs@....sgi.com
Subject: Re: [PATCH 4/7][TAKE5] support new modes in fallocate

On Mon, Jul 02, 2007 at 08:55:43AM +1000, David Chinner wrote:
> Given the current behaviour for posix_fallocate() in glibc, I think
> that retaining the same error semantic and punting the cleanup to
> userspace (where the app will fail with ENOSPC anyway) is the only
> sane thing we can do here. Trying to undo this in the kernel leads
> to lots of extra rarely used code in error handling paths...

Agreed, looks like we should stay with the user has to clean up behaviour.
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