From dc4dbbf188be91da4b13b29e04ae94f2f831e4ab Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Fri, 13 Jan 2012 16:27:50 +0100
Subject: libmount: allow to toggle ro/rw and mount again

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 libmount/src/context.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'libmount/src/context.c')

diff --git a/libmount/src/context.c b/libmount/src/context.c
index 594f090f4..571a2496a 100644
--- a/libmount/src/context.c
+++ b/libmount/src/context.c
@@ -1001,7 +1001,18 @@ int mnt_context_set_mflags(struct libmnt_context *cxt, unsigned long flags)
 {
 	if (!cxt)
 		return -EINVAL;
+
 	cxt->mountflags = flags;
+
+	if ((cxt->flags & MNT_FL_MOUNTOPTS_FIXED) && cxt->fs)
+		/*
+		 * the final mount options are already generated, refresh...
+		 */
+		return mnt_optstr_apply_flags(
+				&cxt->fs->vfs_optstr,
+				cxt->mountflags,
+				mnt_get_builtin_optmap(MNT_LINUX_MAP));
+
 	return 0;
 }
 
-- 
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