[Qemu-devel] [PATCH 03/10] sheepdog: mark image as snapshot when tag is specified

[Kevin Wolf <kwolf@redhat.com>]

From: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>

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 files changed, 1 insertions(+), 1 deletions(-)

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;
     }
-- 
1.7.6.5