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https://github.com/checkpoint-restore/criu.git
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9649356e3a
Before these change the on-host-"zdtm_auto_ext_mnt" mount with
mountpoint "/tmp/zdtm_ext_auto.XXXXXX" was private/shared depending on
it's parent mount "/tmp". And e.g. on my setup the parent mount on
"/tmp" is private and our "host" mount becomes private too. So
in-container-"zdtm_auto_ext_mnt" external mount is also private but test
name hints it should be slave.
E.g. If I ran mnt_ext_master before this patch, in mnt_ext_master
process mntns we see that our "external" mount is private but not slave:
[root@fedora criu]# grep zdtm_auto_ext_mnt /proc/167077/mountinfo
1239 1238 0:138 /test /ext_mounts rw,relatime - tmpfs zdtm_auto_ext_mnt rw,seclabel,inode64
After this patch:
[root@fedora criu]# grep zdtm_auto_ext_mnt /proc/166385/mountinfo
1239 1238 0:138 /test /ext_mounts rw,relatime master:413 - tmpfs zdtm_auto_ext_mnt rw,seclabel,inode64
^^^^^^^^^^
So we just explicitly make on-host-"zdtm_auto_ext_mnt" shared, and this
makes in-container-"zdtm_auto_ext_mnt" external mount slave.
Cherry-picked from Virtuozzo criu:
https://src.openvz.org/projects/OVZ/repos/criu/commits/a1a221fe9
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
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| .. | ||
| compel | ||
| exhaustive | ||
| inhfd | ||
| javaTests | ||
| jenkins | ||
| others | ||
| pki | ||
| zdtm | ||
| .gitignore | ||
| abrt.sh | ||
| check_actions.py | ||
| crit-recode.py | ||
| empty-netns-prep.sh | ||
| groups.desc | ||
| inhfd.desc | ||
| Makefile | ||
| pycriu | ||
| show_action.sh | ||
| umount2.c | ||
| zdtm.desc | ||
| zdtm.py | ||
| zdtm_ct.c | ||
| zdtm_mount_cgroups | ||
| zdtm_umount_cgroups | ||