[PATCH] UBIFS: Add freeze support in ubifs

[Dongsheng Yang]

We need to do nothing in ubifs, as all is already done in vfs.

Signed-off-by: Dongsheng Yang <yangds.fnst at cn.fujitsu.com>
---
 fs/ubifs/super.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 9547a278..e8f85b5 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1871,6 +1871,11 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
 	return 0;
 }
 
+static int ubifs_freeze_fs(struct super_block *sb)
+{
+	return 0;
+}
+
 const struct super_operations ubifs_super_operations = {
 	.alloc_inode   = ubifs_alloc_inode,
 	.destroy_inode = ubifs_destroy_inode,
@@ -1882,6 +1887,7 @@ const struct super_operations ubifs_super_operations = {
 	.remount_fs    = ubifs_remount_fs,
 	.show_options  = ubifs_show_options,
 	.sync_fs       = ubifs_sync_fs,
+	.freeze_fs     = ubifs_freeze_fs,
 };
 
 /**
-- 
1.8.4.2