[systemd-bugs] [Bug 81695] duplicate bind mounts

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81695

--- Comment #2 from Corey Hickey <bugfood-c at fatooh.org> ---
Thanks for the explanation. I do wish the default behavior hadn't changed, but
this does get me an acceptable workaround. I wasn't aware of those mount
options. I think what I actually want is --make-private, i.e.:

[root at dcoreytest01 mnt]# mount --bind --make-private / foo
[root at dcoreytest01 mnt]# mount --bind --make-private / bar
[root at dcoreytest01 mnt]# mount | egrep '(foo|bar)'
/dev/vda3 on /mnt/foo type ext4 (rw,relatime,data=ordered)
/dev/vda3 on /mnt/bar type ext4 (rw,relatime,data=ordered)

That works fine for me. Alternatively, making / private first works as well:

[root at dcoreytest01 mnt]# mount --make-private /
[root at dcoreytest01 mnt]# mount --bind / foo
[root at dcoreytest01 mnt]# mount --bind / bar
[root at dcoreytest01 mnt]# mount | egrep '(foo|bar)'
/dev/vda3 on /mnt/foo type ext4 (rw,relatime,data=ordered)
/dev/vda3 on /mnt/bar type ext4 (rw,relatime,data=ordered)

Thanks,
Corey

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