[sheepdog] [PATCH] sheep: return SD_RES_INVALID_PARMS when cache is not enabled

[Liu Yuan]

From: Liu Yuan <tailai.ly at taobao.com>

Signed-off-by: Liu Yuan <tailai.ly at taobao.com>
---
 sheep/ops.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sheep/ops.c b/sheep/ops.c
index 476f712..f3e68a9 100644
--- a/sheep/ops.c
+++ b/sheep/ops.c
@@ -674,9 +674,10 @@ static int local_get_snap_file(struct request *req)
 	return ret;
 }
 
+/* Return SD_RES_INVALID_PARMS to ask client not to send flush req again */
 static int local_flush_vdi(struct request *req)
 {
-	int ret = SD_RES_SUCCESS;
+	int ret = SD_RES_INVALID_PARMS;
 
 	if (is_object_cache_enabled()) {
 		ret = object_cache_flush_vdi(req);
-- 
1.7.9.5