Date: Sun, 24 Feb 2008 08:24:23 +0100
From: Pavel Machek <pavel@ucw.cz>
To: David Woodhouse <dwmw2@infradead.org>
Cc: kernel list <linux-kernel@vger.kernel.org>, linux-mtd@lists.infradead.org
Subject: Re: jffs2: -ENOSPC when truncating file?!
Message-ID: <20080224072423.GF2202@elf.ucw.cz>
References: <20080223235742.GE2202@elf.ucw.cz> <1203813368.5771.174.camel@shinybook.infradead.org>
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On Sun 2008-02-24 09:36:07, David Woodhouse wrote:
> 
> On Sun, 2008-02-24 at 00:57 +0100, Pavel Machek wrote:
> > Hi!
> > 
> > I'm trying to free space by truncating big file, and I get:
> > 
> > root@fic-gta01:~# ls -al gps.nmea 
> > -rw-r--r--    1 root     root      2332070 Feb 19 22:13 gps.nmea
> > root@fic-gta01:~# > gps.nmea 
> > -sh: cannot create gps.nmea: No space left on device
> > root@fic-gta01:~# rm gps.nmea
> > root@fic-gta01:~# > gps.nmea
> > root@fic-gta01:~# 
> 
> You need to write a log entry indicating the new length of the file.
> There is no space for new log entries.
> 
> There is a special case for removal -- 'rm gps.nmea' would work. Perhaps
> we should add a special case for truncation too, so that it can also use
> the extra pool of free space.

Yes, that would be nice. I somehow assumed that truncate can't fail
for -ENOSPC ... I was trying to actually free some space on the
filesystem...
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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