From: "Andreas T.Auer" <andreas.t.auer_lkml_73537@ursus.ath.cx>
To: Artem.Bityutskiy@nokia.com
Cc: Pavel Machek <pavel@ucw.cz>,
Artem Bityutskiy <dedekind@yandex.ru>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: replace() system call needed (was Re: EXT4-ish "fixes" in UBIFS)
Date: Sun, 29 Mar 2009 15:22:38 +0200 [thread overview]
Message-ID: <49CF761E.3030500@ursus.ath.cx> (raw)
In-Reply-To: <49CF7297.4020201@nokia.com>
On 29.03.2009 15:07 Artem Bityutskiy wrote:
> Pavel Machek wrote:
>>
>> Does not fsync. If someone wants to make sure one of the files is on
>> the disk, he should use replace(). [On non-linux systems, replace()
>> should be implemented as fsync/rename in libc or something.]
>
As a user I will avoid using any fs, which requires the tons of
applications to be changed for a reasonable amount of data safety.
> I would be happy with these rules. But the fact is, application
> people just refuse to add fsync before rename.
Because it slows down the performance.
> They say that the
> FS has to do this.
They say that FS should not write metadata for non-existing data and
even overwrite "clean" metadata with "dirty" metadata. It is up to the
fs to decide, whether fsync is needed to achieve this.
next prev parent reply other threads:[~2009-03-29 13:23 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-27 12:48 EXT4-ish "fixes" in UBIFS Artem Bityutskiy
2009-03-28 1:22 ` Kyungmin Park
2009-03-29 12:31 ` Artem Bityutskiy
2009-03-29 12:54 ` Artem Bityutskiy
2009-03-29 12:26 ` replace() system call needed (was Re: EXT4-ish "fixes" in UBIFS) Pavel Machek
2009-03-29 12:42 ` Artem Bityutskiy
2009-03-29 12:50 ` Pavel Machek
2009-03-29 13:00 ` Artem Bityutskiy
2009-03-29 13:02 ` Pavel Machek
2009-03-29 13:07 ` Artem Bityutskiy
2009-03-29 13:22 ` Andreas T.Auer [this message]
2009-03-29 13:55 ` Artem Bityutskiy
2009-03-29 13:40 ` Pavel Machek
2009-03-29 13:57 ` Artem Bityutskiy
2009-03-29 14:00 ` Pavel Machek
2009-03-30 17:19 ` Ric Wheeler
2009-03-30 22:11 ` Pavel Machek
2009-03-29 13:01 ` Andreas T.Auer
2009-03-29 13:06 ` Artem Bityutskiy
2009-03-30 15:58 ` Diego Calleja
2009-04-03 0:09 ` EXT4-ish "fixes" in UBIFS Christian Kujau
2009-04-03 0:24 ` Trenton D. Adams
2009-04-03 0:28 ` Trenton D. Adams
2009-04-03 0:38 ` Christian Kujau
2009-04-03 0:54 ` Trenton D. Adams
2009-04-03 0:54 ` Trenton D. Adams
2009-04-03 0:59 ` Trenton D. Adams
2009-04-03 1:55 ` David Rees
2009-04-03 2:05 ` Trenton D. Adams
2009-04-03 2:19 ` David Rees
2009-04-03 2:28 ` Trenton D. Adams
2009-04-03 2:58 ` David Rees
2009-04-03 3:13 ` Trenton D. Adams
2009-04-03 3:14 ` Trenton D. Adams
2009-04-03 5:02 ` Theodore Tso
2009-04-03 5:15 ` Trenton D. Adams
2009-04-03 6:30 ` Theodore Tso
2009-04-03 18:53 ` Chris Adams
2009-04-03 18:05 ` David Rees
2009-04-09 20:17 ` Pavel Machek
2009-04-03 2:26 ` Trenton D. Adams
2009-04-03 2:05 ` Theodore Tso
2009-04-03 2:45 ` Christian Kujau
2009-04-03 2:49 ` Trenton D. Adams
2009-04-03 6:53 ` Artem Bityutskiy
[not found] <ckjPq-2Dl-15@gated-at.bofh.it>
[not found] ` <cl2jy-65z-1@gated-at.bofh.it>
[not found] ` <cl2CZ-6q2-21@gated-at.bofh.it>
[not found] ` <cl2N9-6Bj-9@gated-at.bofh.it>
2009-03-31 21:27 ` replace() system call needed (was Re: EXT4-ish "fixes" in UBIFS) Bodo Eggert
2009-04-01 0:06 ` Theodore Tso
2009-04-01 20:52 ` Pavel Machek
2009-04-01 22:58 ` Bodo Eggert
[not found] <cmFiD-8uc-9@gated-at.bofh.it>
[not found] ` <cmFss-ft-15@gated-at.bofh.it>
[not found] ` <cmFsu-ft-23@gated-at.bofh.it>
[not found] ` <cmGRt-2hq-7@gated-at.bofh.it>
[not found] ` <cmH1b-2K0-11@gated-at.bofh.it>
[not found] ` <cmHkz-3d3-5@gated-at.bofh.it>
[not found] ` <cmHkA-3d3-7@gated-at.bofh.it>
[not found] ` <cmHND-3Oz-5@gated-at.bofh.it>
[not found] ` <cmJPm-7hd-5@gated-at.bofh.it>
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