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From: Pavel Machek <pavel@ucw.cz>
To: Mark Lord <lkml@rtr.ca>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Stephen Tweedie <sct@redhat.com>, "Theodore Ts'o" <tytso@mit.edu>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: ext3fs: umount+sync not enough to guarantee metadata-on-disk
Date: Sun, 10 Jun 2007 18:27:47 +0000	[thread overview]
Message-ID: <20070610182746.GA4272@ucw.cz> (raw)
In-Reply-To: <46682BE7.6080802@rtr.ca>

Hi!

> >Did this succeed?  If the application is still 
> >truncating that file, the
> >umount should have failed.
> 
> Actually, what I expect to happen is for the remount,ro
> to block  until the file deletion completes.  But it 
> doesn't.
> 
> Once a f/s is read-only, there should be NO writing to 
> it.  Right?

Linux happily writes to filesystems mounted read-only. It will replay
journal on them.

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2007-06-12 14:41 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-07 13:44 ext3fs: umount+sync not enough to guarantee metadata-on-disk Mark Lord
2007-06-07 15:41 ` Andrew Morton
2007-06-07 16:01   ` Mark Lord
2007-06-07 17:09     ` Stephen C. Tweedie
2007-06-10 18:27     ` Pavel Machek [this message]
2007-06-12 15:15       ` Stephen C. Tweedie
2007-06-14 19:01       ` Phillip Susi
2007-06-07 16:11   ` Chuck Ebbert
2007-06-07 19:45     ` Andrew Morton
2007-06-07 21:38       ` Mark Lord
2007-06-07 22:04         ` Andrew Morton
2007-06-08 14:51           ` Mark Lord
2007-06-09  2:58       ` Mark Lord
2007-06-11 11:14         ` Jan Kara
2007-06-11 22:47           ` Mark Lord
2007-06-12 10:00             ` Jan Kara
2007-06-07 21:43     ` Mark Lord
2007-06-10 18:31       ` Pavel Machek
2007-06-11 11:05       ` Jan Kara
2007-06-11 22:46         ` Mark Lord

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