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lives may also work, but is obsolete...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@xxxxxxxxxx>
http://karelzak.blogspot.com
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