cluster/afr: Fix fd/memory leak on fsync

Change-Id: I764883811e30ca9d9c249ad00b6762101083a2fe
BUG: 976800
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/5248
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/bugs/bug-976800.t b/tests/bugs/bug-976800.t
new file mode 100644
index 00000000000..9557630db21
--- /dev/null
+++ b/tests/bugs/bug-976800.t
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+
+# This test checks if there are any open fds on the brick
+# even after the file is closed on the mount. This particular
+# test tests dd with "fsync" to check afr's fsync codepath
+cleanup;
+
+function is_fd_open {
+        local v=$1
+        local h=$2
+        local b=$3
+        local bpid=$(get_brick_pid $v $h $b)
+        ls -l /proc/$bpid/fd | grep -w "\-> $b/1"
+}
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{0,1}
+TEST $CLI volume set $V0 eager-lock off
+TEST $CLI volume start $V0
+TEST glusterfs --volfile-id=/$V0 --volfile-server=$H0 $M0 --attribute-timeout=0 --entry-timeout=0
+TEST dd of=$M0/1 if=/dev/zero bs=1k count=1 conv=fsync
+TEST ! is_fd_open $V0 $H0 $B0/${V0}0
+cleanup;