[lxc-users] [PATCH] check whether rootfs is shared before running pre-mount hooks

[Florian Klink]

this expands c597baa8f9 and 2c6f3fc932.
---
 src/lxc/conf.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index a9d64ba..4212ded 100644
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -3707,6 +3707,13 @@ void tmp_proc_unmount(struct lxc_conf *lxc_conf)
 
 int lxc_setup(struct lxc_handler *handler)
 {
+	if (detect_shared_rootfs()) {
+		if (mount(NULL, "/", NULL, MS_SLAVE|MS_REC, NULL)) {
+			SYSERROR("Failed to make / rslave");
+			ERROR("Continuing...");
+		}
+	}
+
 	const char *name = handler->name;
 	struct lxc_conf *lxc_conf = handler->conf;
 	const char *lxcpath = handler->lxcpath;
-- 
1.9.1