* umount for deleted backing file?
@ 2012-07-27 10:40 Bernhard Voelker
2012-07-27 11:23 ` Karel Zak
0 siblings, 1 reply; 3+ messages in thread
From: Bernhard Voelker @ 2012-07-27 10:40 UTC (permalink / raw)
To: util-linux@vger.kernel.org
Hi *,
shouldn't umount also work for a deleted backing file?
# rm -v /media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img
removed `/media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img'
$ mount | grep regfile
/media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img (deleted) on
/media/sdb5/berny/git/util-linux/tests/output/mount/regfile-mnt type ext3
(rw,relatime,errors=continue,barrier=1,data=ordered)
$ ../umount -v /media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img
umount: /media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img: not found
Have a nice day,
Berny
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: umount for deleted backing file?
2012-07-27 10:40 umount for deleted backing file? Bernhard Voelker
@ 2012-07-27 11:23 ` Karel Zak
2012-07-27 11:46 ` Bernhard Voelker
0 siblings, 1 reply; 3+ messages in thread
From: Karel Zak @ 2012-07-27 11:23 UTC (permalink / raw)
To: Bernhard Voelker; +Cc: util-linux@vger.kernel.org
On Fri, Jul 27, 2012 at 12:40:37PM +0200, Bernhard Voelker wrote:
> Hi *,
>
> shouldn't umount also work for a deleted backing file?
>
> # rm -v /media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img
> removed `/media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img'
>
> $ mount | grep regfile
> /media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img (deleted) on
> /media/sdb5/berny/git/util-linux/tests/output/mount/regfile-mnt type ext3
> (rw,relatime,errors=continue,barrier=1,data=ordered)
>
> $ ../umount -v /media/sdb5/berny/git/util-linux/tests/output/mount/regfile.img
try:
umount /media/sdb5/berny/git/util-linux/tests/output/mount/regfile-mnt
man umount:
A file system is specified by giving the directory where it
has been mounted. Giving the special device on which the file system
lives may also work, but is obsolete...
... just in this case it's for umount difficult to translate a file
which does not exist to mountpoint (it's possible but not too robust).
Karel
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
^ permalink raw reply [flat|nested] 3+ messages in thread
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