[Devel] [PATCH] hoot_ct: do not change a set of CT0's mountpoints

[Andrey Vagin]

for that we must remount root with MS_PRIVATE before doing anything else.

https://bugzilla.openvz.org/show_bug.cgi?id=2879
Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
 src/lib/hooks_ct.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/lib/hooks_ct.c b/src/lib/hooks_ct.c
index c7a3ec5..488acd8 100644
--- a/src/lib/hooks_ct.c
+++ b/src/lib/hooks_ct.c
@@ -104,6 +104,11 @@ int ct_chroot(const char *root)
 	char oldroot[] = "vzctl-old-root.XXXXXX";
 	int ret = VZ_RESOURCE_ERROR;
 
+	if (mount("", "/", NULL, MS_PRIVATE|MS_REC, NULL) < 0) {
+		logger(-1, errno, "Can't remount root with MS_PRIVATE");
+		return ret;
+	}
+
 	/* root must be bind-mounted to itself to not show what is under it
 	 *
 	 * Linux kernel commit 5ff9d8a6
@@ -119,11 +124,6 @@ int ct_chroot(const char *root)
 		return ret;
 	}
 
-	if (mount("", "/", NULL, MS_PRIVATE|MS_REC, NULL) < 0) {
-		logger(-1, errno, "Can't remount root with MS_PRIVATE");
-		return ret;
-	}
-
 	if (mkdtemp(oldroot) == NULL) {
 		logger(-1, errno, "Can't mkdtemp %s", oldroot);
 		return ret;
-- 
1.8.3.1