linux-ext4 - Re: v3.10: unmount won't work

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Date:	Thu, 16 May 2013 15:50:38 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Toralf Förster <toralf.foerster@....de>
CC:	linux-ext4@...r.kernel.org
Subject: Re: v3.10: unmount won't work

On 5/16/13 3:45 PM, Toralf Förster wrote:
> Forget to mention, that now df shows for the loop the same values as for / :

because it's "half unmounted" - mtab still has it, so df is
doing a statfs of it, but it's not really mounted (as /proc/mounts
shows) so you get a 2nd statfs on /

-Eric

> n22 ~ # df
> Filesystem     1K-blocks     Used Available Use% Mounted on
> rootfs         188262740 32904632 145771804  19% /
> /dev/root      188262740 32904632 145771804  19% /
> devtmpfs         4086480        0   4086480   0% /dev
> tmpfs            4086744      888   4085856   1% /run
> shm              4086744        0   4086744   0% /dev/shm
> cgroup_root        10240        0     10240   0% /sys/fs/cgroup
> /dev/sdb4      530428688 24466632 505962056   5% /mnt/E
> tmpfs            3145728   243872   2901856   8% /mnt/ramdisk
> /dev/loop0     188262740 32904632 145771804  19% /mnt/trinity
> 
> 

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