[stgt] [PATCH] use "null" backing store for no backing device

[FUJITA Tomonori]

Signed-off-by: FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp>
---
 usr/target.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/usr/target.c b/usr/target.c
index c848757..4912c0f 100644
--- a/usr/target.c
+++ b/usr/target.c
@@ -480,7 +480,8 @@ int tgt_device_create(int tid, int dev_type, uint64_t lun, char *params,
 				goto out;
 			}
 		}
-	}
+	} else
+		bst = get_backingstore_template("null");
 
 	t = device_type_lookup(dev_type);
 	if (!t) {
-- 
1.5.6.5

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