From: Andrew Morton <akpm@zip.com.au>
To: Matthias Andree <matthias.andree@stud.uni-dortmund.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.4.8-pre3 fsync entire path (+reiserfs fsync semantic change patch)
Date: Sat, 04 Aug 2001 14:07:47 -0700 [thread overview]
Message-ID: <3B6C6423.2BFA3CFA@zip.com.au> (raw)
In-Reply-To: <01080315090600.01827@starship> <Pine.GSO.4.21.0108031400590.3272-100000@weyl.math.psu.edu> <9keqr6$egl$1@penguin.transmeta.com>, <9keqr6$egl$1@penguin.transmeta.com> <20010804100143.A17774@weta.f00f.org> <3B6B4B21.B68F4F87@zip.com.au>, <3B6B4B21.B68F4F87@zip.com.au> <20010804131904.E18108@weta.f00f.org> <3B6B53A9.A9923E21@zip.com.au>, <3B6B53A9.A9923E21@zip.com.au> <20010804060423.I16516@emma1.emma.line.org>
Matthias Andree wrote:
>
> aren't we already at the point that ext3 fsync() flushes
> the corresponding dirents?
_any_ synchronous operation on ext3 has flushed _everything_
by the time it returns to the caller. Every last little bit
is on disk.
This applies to fsync() against any file/dir, write() on an
O_SYNC file, any metadata operation or write() against a `chattr +S'
object, any metadata operation or write() against a `mount -o sync'
filesystem and msync().
The only exception is pageout of mmap'ed files - you'll need to
run msync() to guarantee that these are crashproofed.
next prev parent reply other threads:[~2001-08-04 21:02 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <0108030507330F.00440@starship>
[not found] ` <Pine.GSO.4.21.0108022312211.1494-100000@weyl.math.psu.edu>
2001-08-03 13:09 ` intermediate summary of ext3-2.4-0.9.4 thread Daniel Phillips
2001-08-03 14:43 ` Horst von Brand
2001-08-03 17:49 ` Mike Castle
2001-08-04 3:23 ` Daniel Phillips
2001-08-03 18:08 ` Alexander Viro
2001-08-03 18:26 ` Daniel Phillips
2001-08-03 18:53 ` Alexander Viro
2001-08-03 20:50 ` Daniel Phillips
2001-08-04 3:43 ` Matthias Andree
2001-08-03 18:34 ` Linus Torvalds
2001-08-03 22:01 ` [PATCH] 2.4.8-pre3 fsync entire path (+reiserfs fsync semantic change patch) Chris Wedgwood
2001-08-03 22:33 ` Alexander Viro
2001-08-03 23:16 ` Chris Wedgwood
2001-08-03 23:23 ` Alexander Viro
2001-08-04 3:53 ` Matthias Andree
2001-08-04 5:48 ` Alexander Viro
2001-08-03 22:45 ` Alexander Viro
2001-08-03 23:09 ` Chris Wedgwood
2001-08-03 23:15 ` Alexander Viro
2001-08-03 23:20 ` Chris Wedgwood
2001-08-03 23:25 ` Alexander Viro
2001-08-03 23:35 ` Chris Wedgwood
2001-08-03 23:41 ` Alexander Viro
2001-08-03 23:46 ` Chris Wedgwood
2001-08-03 23:53 ` Alexander Viro
2001-08-04 7:45 ` [PATCH] 2.4.8-pre3 fsync entire path (+reiserfs fsync semanticchange patch) Hans Reiser
2001-08-04 18:31 ` Chris Wedgwood
2001-08-05 1:47 ` Alexander Viro
2001-08-08 17:22 ` [PATCH] 2.4.8-pre3 fsync entire path (+reiserfs fsync semanticchangepatch) Hans Reiser
2001-08-03 23:42 ` [PATCH] 2.4.8-pre3 fsync entire path (+reiserfs fsync semantic change patch) Alan Cox
2001-08-03 23:44 ` Chris Wedgwood
2001-08-04 1:08 ` Andrew Morton
2001-08-04 1:19 ` Chris Wedgwood
2001-08-04 1:45 ` Andrew Morton
2001-08-04 4:04 ` Matthias Andree
2001-08-04 18:30 ` Chris Wedgwood
2001-08-05 12:15 ` Matthias Andree
2001-08-05 12:32 ` Chris Wedgwood
2001-08-05 13:02 ` Matti Aarnio
2001-08-04 21:07 ` Andrew Morton [this message]
2001-08-04 21:07 ` Andrew Morton
2001-08-05 7:25 ` Chris Wedgwood
2001-08-09 13:25 ` Matthias Andree
2001-08-04 17:35 ` Jan Harkes
2001-08-04 18:18 ` Chris Wedgwood
2001-08-06 15:02 ` Chris Mason
2001-08-06 20:48 ` Chris Wedgwood
2001-08-03 22:29 ` Anton Altaparmakov
2001-08-03 23:06 ` Chris Wedgwood
2001-08-06 15:23 ` looking for resources for designing loopback filesystem dave-mlist
2001-08-06 16:11 ` Ville Herva
2001-08-03 18:36 ` intermediate summary of ext3-2.4-0.9.4 thread Matthias Andree
2001-08-03 19:16 ` Alexander Viro
2001-08-04 3:40 ` fdatasync(2) is also there (was: intermediate summary of ext3-2.4-0.9.4 thread) Matthias Andree
2001-08-05 0:28 ` Mike Castle
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