stack.h: fix the pass_through logic

while fixing the coverity issues, we made a minor mistake in the
pass through logic in STACK_WIND macro.

Also, with this patch, made the code common to reduce possible
future errors creeping in due to missing one place update.

updates: bz#1193929
Change-Id: I6fcfd156d63b0a7e6208819872e565eacf774150
Signed-off-by: Amar Tumballi <amarts@redhat.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/basic/xlator-pass-through-sanity.t b/tests/basic/xlator-pass-through-sanity.t
new file mode 100644
index 00000000000..e996be89260
--- /dev/null
+++ b/tests/basic/xlator-pass-through-sanity.t
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+
+cleanup;
+
+TEST glusterd
+TEST pidof glusterd
+
+TEST $CLI volume create $V0 $H0:$B0/${V0}
+TEST $CLI volume set $V0 performance.io-cache-pass-through enable;
+TEST $CLI volume start $V0;
+
+## Mount FUSE
+TEST $GFS -s $H0 --volfile-id $V0 $M1;
+
+# This test covers lookup, mkdir, mknod, symlink, link, rename,
+# create operations
+TEST $(dirname $0)/rpc-coverage.sh $M1
+
+cleanup;