test for deadlocks with concurrent I/O.

Merge of master-melb:xfs-cmds:26927a by kenmcd.

  test for deadlocks with concurrent I/O.

diff --git a/133 b/133
new file mode 100755 (executable)
index 0000000..947be1b
--- /dev/null
+++ b/133
@@ -0,0 +1,65 @@
+#! /bin/sh
+# FSQA Test No. 133
+#
+# Concurrent I/O to same file to ensure no deadlocks
+#
+#-----------------------------------------------------------------------
+#  Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
+#-----------------------------------------------------------------------
+#
+# creator
+owner=lachlan@sgi.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1    # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    _cleanup_testdir
+}
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# real QA test starts here
+_supported_fs xfs
+_supported_os Linux IRIX
+
+_setup_testdir
+
+echo "Buffered writer, buffered reader"
+xfs_io -f -c 'pwrite -q -b 64k 0 512m' $testdir/io_test &
+sleep 1
+xfs_io -c 'pread -q -b 64k 0 512m' $testdir/io_test
+wait
+rm $testdir/io_test
+
+echo "Direct writer, buffered reader"
+xfs_io -f -d -c 'pwrite -q -b 64k 0 512m' $testdir/io_test &
+sleep 1
+xfs_io -c 'pread -q -b 64k 0 512m' $testdir/io_test
+wait
+rm $testdir/io_test
+
+echo "Buffered writer, direct reader"
+xfs_io -f -c 'pwrite -q -b 64k 0 512m' $testdir/io_test &
+sleep 1
+xfs_io -d -c 'pread -q -b 64k 0 512m' $testdir/io_test
+wait
+rm $testdir/io_test
+
+echo "Direct writer, direct reader"
+xfs_io -f -d -c 'pwrite -q -b 64k 0 512m' $testdir/io_test &
+sleep 1
+xfs_io -d -c 'pread -q -b 64k 0 512m' $testdir/io_test
+wait
+rm $testdir/io_test
+
+status=0
+exit 

diff --git a/133.out b/133.out
new file mode 100644 (file)
index 0000000..205e7dd
--- /dev/null
+++ b/133.out
@@ -0,0 +1,5 @@
+QA output created by 133
+Buffered writer, buffered reader
+Direct writer, buffered reader
+Buffered writer, direct reader
+Direct writer, direct reader

diff --git a/group b/group
index a662c40382d95e87f49813a9bb79eccf84ea8429..7047b5650d28b06ecba8455d289a19d3d2ffadfc 100644 (file)
--- a/group
+++ b/group
@@ -211,4 +211,5 @@ pattern         ajones@sgi.com
 129 rw auto
 130 pattern auto
 131 perms auto
-132 pattern auto
\ No newline at end of file
+132 pattern auto
+133 rw auto