[CRIU] [PATCH 2/2] mount: create a clean mount only if a sub directory is bind-mounted
Andrey Vagin
avagin at openvz.org
Tue May 10 17:38:38 PDT 2016
From: Andrei Vagin <avagin at virtuozzo.com>
A clean mount is not required when a mount point is bind-mounted.
Signed-off-by: Andrew Vagin <avagin at virtuozzo.com>
---
criu/mount.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/criu/mount.c b/criu/mount.c
index 6896aa4..052d62a 100644
--- a/criu/mount.c
+++ b/criu/mount.c
@@ -2476,7 +2476,7 @@ static int do_bind_mount(struct mount_info *mi)
mnt_path = mnt_fd_path;
}
- if (!list_empty(&mi->bind->children)) {
+ if (!list_empty(&mi->bind->children) && cut_root[0] != 0) {
/* mi->bind->mountpoint may be overmounted */
if (mount(mnt_path, mnt_clean_path, NULL, MS_BIND, NULL)) {
pr_perror("Unable to bind-mount %s to %s",
--
2.7.4
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