[PATCH] Mount: fix recursively propagation mounting

[don <haodong@linux.vnet.ibm.com>]

From: Dong Hao <haodong@linux.vnet.ibm.com>
Date: Wed, 21 Mar 2012 13:50:14 +0800
Subject: [PATCH] Mount: fix recursively propagation mounting

Provide the recursive flag of propagation mounting. Recursive flag could 
be used together with propagation flag.

Signed-off-by: Dong Hao <haodong@linux.vnet.ibm.com>
---
  mount/mount.c |    2 +-
  1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mount/mount.c b/mount/mount.c
index 2ce4829..f10659c 100644
--- a/mount/mount.c
+++ b/mount/mount.c
@@ -603,7 +603,7 @@ parse_opts (const char *options, int *flags, char 
**extra_opts) {

      /* The propagation flags should not be used together with any 
other flags */
      if (*flags & MS_PROPAGATION)
-        *flags &= MS_PROPAGATION;
+        *flags &= (MS_PROPAGATION|MS_REC);
  }

  /* Try to build a canonical options string.  */
-- 
1.7.2.5