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mounts: mntns_collect_root in __open_mountpoint

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We are going to support nested mount namespaces,
file descriptors can be from different namespaces,
so a namespace root must be updated for each of them.

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Andrey Vagin 2014-04-21 18:23:37 +04:00 • committed by Pavel Emelyanov
parent 1b3fa9bc25
commit 3e50d70cd9
1 changed files with 3 additions and 1 deletions
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4
mount.c
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@ -491,7 +491,9 @@ static int __open_mountpoint(struct mount_info *pm, int mnt_fd)
if (mnt_fd == -1) {
int mntns_root;
mntns_root = get_service_fd(ROOT_FD_OFF);
mntns_root = mntns_collect_root(pm->nsid->pid);
if (mntns_root < 0)
return -1;
mnt_fd = openat(mntns_root, pm->mountpoint, O_RDONLY);
if (mnt_fd < 0) {