[sheepdog] [PATCH v2] tests: add '-n' back

[Liu Yuan]

This was revmoed by b1281f6 without notice.

Also refind the help message.

Signed-off-by: Liu Yuan <namei.unix at gmail.com>
---
 v2:
 - split it from 'add reweight' series

 sheep/sheep.c       |    2 +-
 tests/common.config |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sheep/sheep.c b/sheep/sheep.c
index 2461f16..0fe8188 100644
--- a/sheep/sheep.c
+++ b/sheep/sheep.c
@@ -52,7 +52,7 @@ static struct sd_option sheep_options[] = {
 	{'i', "ioaddr", true, "use separate network card to handle IO requests"},
 	{'j', "journal", true, "use jouranl file to log all the write operations"},
 	{'l', "loglevel", true, "specify the level of logging detail"},
-	{'n', "nosync", false, "drop SYNC for write, only used for testing purpose"},
+	{'n', "nosync", false, "drop O_SYNC for write of backend"},
 	{'o', "stdout", false, "log to stdout instead of shared logger"},
 	{'p', "port", true, "specify the TCP port on which to listen"},
 	{'P', "pidfile", true, "create a pid file"},
diff --git a/tests/common.config b/tests/common.config
index 3ee4c4c..76166e6 100644
--- a/tests/common.config
+++ b/tests/common.config
@@ -77,7 +77,7 @@ export WD=${WD:-/tmp/sheepdog}
 export STORE
 export SHEEP_PROG=${SHEEP_PROG:-../sheep/sheep}
 export SHEEP=${SHEEP:-$SHEEP_PROG}
-export SHEEP_OPTIONS=${SHEEP_OPTIONS:-"-y 127.0.0.1 -d"}
+export SHEEP_OPTIONS=${SHEEP_OPTIONS:-"-n -y 127.0.0.1 -d"}
 export COLLIE_PROG=${COLLIE_PROG:-../collie/collie}
 export COLLIE=${COLLIE:-$COLLIE_PROG}
 
-- 
1.7.9.5