linux-ext4 - ext3: deleting files doesn't free up space

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Message-ID: <AANLkTimwDpUz9GUmx3UutYir0UuoTSAXNzphWeEX9sKh@mail.gmail.com>
Date:	Mon, 10 Jan 2011 08:22:25 +0300
From:	Dan Carpenter <error27@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org
Subject: ext3: deleting files doesn't free up space

I filled up my partition last night.
I deleted 5 gigs of movies.
The "Used" number went down to 125G.
The "Free" number stayed at 0.
I rebooted the system but it's still the same.

$ echo foo > foo
bash: echo: write error: No space left on device

$ df .
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda1            136236548 130363620         0 100% /media/old_sys

$ mount | grep old
/dev/sda1 on /media/old_sys type ext3 (rw,nosuid,nodev)
/media/old_sys/home on /home type none (rw,bind)

This is with 2.6.37-rc5+.  Is there a way to debug this?

regards,
dan carpenter
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