From: Andrew Morton <andrewm@uow.edu.au>
To: "Stephen C. Tweedie" <sct@redhat.com>
Cc: Manas Garg <mls@chakpak.net>, linux-kernel@vger.kernel.org
Subject: Re: O_TRUNC problem on a full filesystem
Date: Thu, 24 May 2001 21:28:40 +1000 [thread overview]
Message-ID: <3B0CF068.A6ADA562@uow.edu.au> (raw)
In-Reply-To: <20010523114318.A8336@cygsoft.com> <3B0B8924.F0B78288@uow.edu.au>, <3B0B8924.F0B78288@uow.edu.au>; from andrewm@uow.edu.au on Wed, May 23, 2001 at 07:55:48PM +1000 <20010524121634.O8080@redhat.com>
"Stephen C. Tweedie" wrote:
>
> On Wed, May 23, 2001 at 07:55:48PM +1000, Andrew Morton wrote:
>
> > When you truncated your file, the blocks remained preallocated
> > on behalf of the file, and were hence considered "used". For
> > some reason, a subsequent attempt to allocate blocks for the
> > same file failed to use that file's preallocated blocks.
>
> Nope. ext2_truncate() calls ext2_discard_prealloc() to fix this up.
> Both 2.2 and 2.4 do this correctly.
But the problem goes away when you disable EXT2_PREALLOCATE.
I tested it.
next prev parent reply other threads:[~2001-05-24 11:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-23 6:13 O_TRUNC problem on a full filesystem Manas Garg
2001-05-23 9:16 ` OT: " Helge Hafting
2001-05-23 9:55 ` Andrew Morton
2001-05-24 11:16 ` Stephen C. Tweedie
2001-05-24 11:28 ` Andrew Morton [this message]
2001-05-24 17:24 ` Andreas Dilger
2001-05-24 18:15 ` Stephen C. Tweedie
2001-05-24 20:26 ` Andreas Dilger
2001-05-25 0:24 ` Andrew Morton
2001-05-25 9:42 ` Stephen C. Tweedie
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