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From: Christoph Hellwig <hch@infradead.org>
To: Hugh Dickins <hughd@google.com>
Cc: Cong Wang <amwang@redhat.com>,
	linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
	Pekka Enberg <penberg@kernel.org>,
	Dave Hansen <dave@linux.vnet.ibm.com>,
	Lennart Poettering <lennart@poettering.net>,
	Kay Sievers <kay.sievers@vrfy.org>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Christoph Hellwig <hch@infradead.org>,
	linux-mm@kvack.org
Subject: Re: [V2 PATCH] tmpfs: add fallocate support
Date: Mon, 21 Nov 2011 05:11:55 -0500	[thread overview]
Message-ID: <20111121101155.GC17887@infradead.org> (raw)
In-Reply-To: <alpine.LSU.2.00.1111201300340.1264@sister.anvils>

On Sun, Nov 20, 2011 at 01:22:10PM -0800, Hugh Dickins wrote:
> First question that springs to mind (to which I shall easily find
> an answer): is it actually acceptable for fallocate() to return
> -ENOSPC when it has already completed a part of the work?

No, it must undo all allocations if it returns ENOSPC.

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  reply	other threads:[~2011-11-21 10:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-18 10:39 [V2 PATCH] tmpfs: add fallocate support Cong Wang
2011-11-19 10:03 ` Christoph Hellwig
2011-11-19 14:14   ` Kay Sievers
2011-11-20 21:39     ` Hugh Dickins
2011-11-21 10:11       ` Christoph Hellwig
2011-11-21 22:13         ` Hugh Dickins
2011-11-22  5:50         ` Cong Wang
2011-11-21 10:06     ` Christoph Hellwig
2011-11-22  5:39       ` Cong Wang
2011-11-20 21:22 ` Hugh Dickins
2011-11-21 10:11   ` Christoph Hellwig [this message]
2011-11-22  5:39   ` Cong Wang
2011-11-22 22:06 ` Andrew Morton
2011-11-23  4:30   ` Cong Wang

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