[PATCH v3 25/39] ubifs: set/clear MS_RDONLY properly in ubifs_remount

[Dongsheng Yang]

We need to set or clear MS_RDONLY in remounting.

Signed-off-by: Dongsheng Yang <yangds.fnst at cn.fujitsu.com>
---
 fs/ubifs/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 2b07709..59cdfc2 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1840,6 +1840,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
 		 */
 		err = dbg_check_space_info(c);
 	}
+	c->vfs_sb->s_flags &= ~MS_RDONLY;
 
 	mutex_unlock(&c->umount_mutex);
 	return err;
@@ -1906,6 +1907,7 @@ static void ubifs_remount_ro(struct ubifs_info *c)
 	err = dbg_check_space_info(c);
 	if (err)
 		ubifs_ro_mode(c, err);
+	c->vfs_sb->s_flags |= MS_RDONLY;
 	mutex_unlock(&c->umount_mutex);
 }
 
-- 
1.8.4.2