From: Josef Bacik <jbacik@redhat.com>
To: Lee Trager <lt73@cs.drexel.edu>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: btrfs thinks its full
Date: Wed, 19 Nov 2008 17:23:43 -0500 [thread overview]
Message-ID: <20081119222343.GF16041@unused.rdu.redhat.com> (raw)
In-Reply-To: <20081119222434.GA29942@tux64-01>
On Wed, Nov 19, 2008 at 05:24:34PM -0500, Lee Trager wrote:
> Because the last bug I dealt with had so much to do with the disk being
> full I decided to test and see what happens when I fill up the disk.
> Unfortunatly the disk thinks its full before it actually is. I have a
> 7539M btrfs partition and tried to fill it by doing
>
> dd if=/dev/zero of=/mnt/btrfs/fill
>
> btrfs reports its full after 6408M have been used. dd, ls, and df all
> confirm this. This uses only 85% of the disk but I can not put one more
> bit onto the partition. The only thing that shows up in my system logs
> is "space info full 1." I am using the latest git sources.
>
Yup thats by design :). Theres a 85% full short-circuit in there to keep the
panic unpleasentness from happening since there isn't proper ENOSPC handling.
This will be tossed when the ENOSPC handling is done. Thanks,
Josef
next prev parent reply other threads:[~2008-11-19 22:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-19 22:24 btrfs thinks its full Lee Trager
2008-11-19 22:23 ` Josef Bacik [this message]
2008-11-20 5:54 ` Lee Trager
2008-11-20 11:54 ` Josef Bacik
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