[sheepdog] [PATCH] sheep: make config file compatible with the previous one

[MORITA Kazutaka]

This patch also introduces a new member 'version' to use for config
file version check in future.

Signed-off-by: MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp>
---
 sheep/store.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/sheep/store.c b/sheep/store.c
index b093916..4a63a8a 100644
--- a/sheep/store.c
+++ b/sheep/store.c
@@ -30,10 +30,12 @@
 
 struct sheepdog_config {
 	uint64_t ctime;
-	uint64_t space;
 	uint16_t flags;
 	uint8_t copies;
 	uint8_t store[STORE_LEN];
+	uint8_t __pad[3];
+	uint16_t version;
+	uint64_t space;
 };
 
 char *obj_path;
-- 
1.7.2.5