From: david@lang.hm
To: Mikulas Patocka <mpatocka@redhat.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, agk@redhat.com, mbroz@redhat.com,
chris@arachsys.com
Subject: Re: application syncing options (was Re: [PATCH] Memory management livelock)
Date: Sun, 5 Oct 2008 17:19:28 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.1.10.0810051714330.17288@asgard.lang.hm> (raw)
In-Reply-To: <Pine.LNX.4.64.0810052002520.5798@hs20-bc2-1.build.redhat.com>
On Sun, 5 Oct 2008, Mikulas Patocka wrote:
> On Fri, 3 Oct 2008, david@lang.hm wrote:
>
>> I've also seen discussions of how the
>> kernel filesystem code can do ordered writes without having to wait for them
>> with the use of barriers, is this capability exported to userspace? if so,
>> could you point me at documentation for it?
>
> It isn't. And it is good that it isn't --- the more complicated API, the
> more maintenance work.
I can understand that most software would not want to deal with
complications like this, but for things thta have requirements similar to
journaling filesystems (databases for example) it would seem that there
would be advantages to exposing this capabilities.
David Lang
next prev parent reply other threads:[~2008-10-06 0:19 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080911101616.GA24064@agk.fab.redhat.com>
2008-09-22 21:10 ` [PATCH] Memory management livelock Mikulas Patocka
2008-09-23 0:48 ` Andrew Morton
2008-09-23 22:34 ` Mikulas Patocka
2008-09-23 22:49 ` Andrew Morton
2008-09-23 23:11 ` Mikulas Patocka
2008-09-23 23:46 ` Andrew Morton
2008-09-24 18:50 ` Mikulas Patocka
2008-09-24 18:51 ` [PATCH 1/3] " Mikulas Patocka
2008-09-24 18:52 ` [PATCH 2/3] " Mikulas Patocka
2008-10-02 5:54 ` Andrew Morton
2008-10-05 22:11 ` RFC: one-bit mutexes (was: Re: [PATCH 2/3] Memory management livelock) Mikulas Patocka
2008-10-11 12:06 ` Nick Piggin
2008-10-20 20:14 ` Mikulas Patocka
2008-10-21 1:51 ` Nick Piggin
2008-10-05 22:14 ` [PATCH 1/3] bit mutexes Mikulas Patocka
2008-10-05 22:14 ` [PATCH 2/3] Fix fsync livelock Mikulas Patocka
2008-10-05 22:33 ` Arjan van de Ven
2008-10-05 23:02 ` Mikulas Patocka
2008-10-05 23:07 ` Arjan van de Ven
2008-10-05 23:18 ` Mikulas Patocka
2008-10-05 23:28 ` Arjan van de Ven
2008-10-06 0:01 ` Mikulas Patocka
2008-10-06 0:30 ` Arjan van de Ven
2008-10-06 3:30 ` Mikulas Patocka
2008-10-06 4:20 ` Arjan van de Ven
2008-10-06 13:00 ` Mikulas Patocka
2008-10-06 13:50 ` Arjan van de Ven
2008-10-06 20:44 ` Mikulas Patocka
2008-10-08 10:56 ` Pavel Machek
2008-10-06 2:51 ` Dave Chinner
2008-10-05 22:16 ` [PATCH 3/3] Fix fsync-vs-write misbehavior Mikulas Patocka
2008-10-09 1:12 ` [PATCH] documentation: explain memory barriers Randy Dunlap
2008-10-09 1:17 ` Chris Snook
2008-10-09 1:31 ` Andrew Morton
2008-10-09 5:51 ` Chris Snook
2008-10-09 9:58 ` Ben Hutchings
2008-10-09 21:27 ` Nick Piggin
2008-10-09 17:29 ` Nick Piggin
2008-10-09 1:50 ` Valdis.Kletnieks
2008-10-09 17:35 ` Nick Piggin
2008-10-09 6:52 ` Valdis.Kletnieks
2008-09-24 18:53 ` [PATCH 3/3] Memory management livelock Mikulas Patocka
2008-10-03 2:32 ` [PATCH] " Nick Piggin
2008-10-03 2:40 ` Andrew Morton
2008-10-03 2:59 ` Nick Piggin
2008-10-03 3:14 ` Andrew Morton
2008-10-03 3:47 ` Nick Piggin
2008-10-03 3:56 ` Andrew Morton
2008-10-03 4:07 ` Nick Piggin
2008-10-03 4:17 ` Andrew Morton
2008-10-03 4:29 ` Nick Piggin
2008-10-03 11:43 ` Mikulas Patocka
2008-10-03 12:27 ` Nick Piggin
2008-10-03 13:53 ` Mikulas Patocka
2008-10-03 2:54 ` Nick Piggin
2008-10-03 11:26 ` Mikulas Patocka
2008-10-03 12:31 ` Nick Piggin
2008-10-03 13:50 ` Mikulas Patocka
2008-10-03 14:50 ` Alasdair G Kergon
2008-10-03 14:36 ` Alasdair G Kergon
2008-10-03 15:52 ` application syncing options (was Re: [PATCH] Memory management livelock) david
2008-10-06 0:04 ` Mikulas Patocka
2008-10-06 0:19 ` david [this message]
2008-10-06 3:42 ` Mikulas Patocka
2008-10-07 3:37 ` david
2008-10-07 15:44 ` Mikulas Patocka
2008-10-07 17:16 ` david
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