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mnt: Add comment why we need criu's mntns mounts for dump

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Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2014-04-23 13:10:21 +04:00
parent f22591c99a
commit aca33ac402
1 changed files with 10 additions and 3 deletions
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13
mount.c
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@@ -1901,17 +1901,24 @@ static int walk_mnt_ns(int (*cb)(struct ns_id *, struct mount_info *, void *), v
continue;
if (ns->pid == getpid()) {
/*
* Collect criu's mounts only if the target
* task does NOT live in mount namespaces to
* make smart paths resolution work.
*
* Otherwise, the necessary list of mounts
* will be collected below.
*/
if (!(root_ns_mask & CLONE_NEWNS)) {
mntinfo = collect_mntinfo(ns);
if (mntinfo == NULL)
goto err;
}
/* Skip current namespaces, which are in the list too */
continue;
}
pr_info("Dump MNT namespace (mountpoints) %d via %d\n",
ns->id, ns->pid);
pr_info("Dump MNT namespace (mountpoints) %d via %d\n", ns->id, ns->pid);
pms = collect_mntinfo(ns);
if (pms == NULL)
goto err;