From 622b6057beb3d8ce8035aaedab2137108bd6bfe4 Mon Sep 17 00:00:00 2001
From: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Date: Thu, 17 May 2012 03:15:31 +0900
Subject: [PATCH] sheepdog: mark image as snapshot when tag is specified

When a snapshot tag is specified in the filename, the opened image is
a snapshot.

Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/sheepdog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/sheepdog.c b/block/sheepdog.c
index e01d371..776a1cc 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1103,7 +1103,7 @@ static int sd_open(BlockDriverState *bs, const char *filename, int flags)
         }
     }
 
-    if (snapid) {
+    if (snapid || tag[0] != '\0') {
         dprintf("%" PRIx32 " snapshot inode was open.\n", vid);
         s->is_snapshot = 1;
     }
-- 
2.7.4