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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WARNING: multiple messages have this Message-ID (diff)
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.
next prev parent reply other threads:[~2011-11-21 10:12 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-18 10:39 [V2 PATCH] tmpfs: add fallocate support Cong Wang
2011-11-18 10:39 ` Cong Wang
2011-11-19 10:03 ` Christoph Hellwig
2011-11-19 10:03 ` Christoph Hellwig
2011-11-19 14:14 ` Kay Sievers
2011-11-19 14:14 ` Kay Sievers
2011-11-20 21:39 ` Hugh Dickins
2011-11-21 10:11 ` Christoph Hellwig
2011-11-21 10:11 ` Christoph Hellwig
2011-11-21 22:13 ` Hugh Dickins
2011-11-21 22:13 ` Hugh Dickins
2011-11-22 5:50 ` Cong Wang
2011-11-22 5:50 ` Cong Wang
2011-11-21 10:06 ` Christoph Hellwig
2011-11-21 10:06 ` Christoph Hellwig
2011-11-22 5:39 ` Cong Wang
2011-11-22 5:39 ` Cong Wang
2011-11-20 21:22 ` Hugh Dickins
2011-11-20 21:22 ` Hugh Dickins
2011-11-21 10:11 ` Christoph Hellwig [this message]
2011-11-21 10:11 ` Christoph Hellwig
2011-11-22 5:39 ` Cong Wang
2011-11-22 5:39 ` Cong Wang
2011-11-22 22:06 ` Andrew Morton
2011-11-22 22:06 ` Andrew Morton
2011-11-23 4:30 ` Cong Wang
2011-11-23 4:30 ` Cong Wang
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