[libvirt] [PATCH] Unmount existing filesystems under user specified mounts in LXC
Eric Blake
eblake at redhat.com
Mon Apr 8 16:11:57 UTC 2013
On 04/08/2013 10:07 AM, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange at redhat.com>
>
> If the user requests a mount for /run, this may hide any existing
> mounts that are lower down in /run. The result is that the
> container still sees the mounts in /proc/mounts, but cannot
> access them
>
> sh-4.2# df
> df: '/run/user/501/gvfs': No such file or directory
> df: '/run/media/berrange/LIVE': No such file or directory
> df: '/run/media/berrange/SecureDiskA1': No such file or directory
> df: '/run/libvirt/lxc/sandbox': No such file or directory
> Filesystem 1K-blocks Used Available Use% Mounted on
> /dev/mapper/vg_t500wlan-lv_root 151476396 135390200 8384900 95% /
> tmpfs 1970888 3204 1967684 1% /run
> /dev/sda1 194241 155940 28061 85% /boot
> devfs 64 0 64 0% /dev
> tmpfs 64 0 64 0% /sys/fs/cgroup
> tmpfs 1970888 1200 1969688 1% /etc/libvirt-sandbox/scratch
>
> Before mounting any filesystem at a particular location, we
> must recursively unmount anything at or below the target mount
> point
>
> Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
> ---
> src/lxc/lxc_container.c | 4 ++++
> 1 file changed, 4 insertions(+)
ACK.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 621 bytes
Desc: OpenPGP digital signature
URL: <http://listman.redhat.com/archives/libvir-list/attachments/20130408/79b9b773/attachment-0001.sig>
More information about the libvir-list
mailing list