test 198, testcase for aio+dio writes into sparse files

Older kernels were not doing completion properly, and converting
unwritten extents at the wrong offsets; this exposed stale data.

Xen w/ the blktap driver was hitting this.

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>

198

@@ -0,0 +1,45 @@
+#! /bin/sh
+# FS QA Test No. 198
+#
+# Test that aio+dio into holes does completion at the proper offsets
+# See also https://bugzilla.redhat.com/show_bug.cgi?id=217098
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2008 Eric Sandeen.  All Rights Reserved.
+#-----------------------------------------------------------------------
+#
+# creator
+owner=sandeen@sandeen.net
+
+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()
+{
+    cd /
+    rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# This should actually run on anything that supports O_DIRECT + AIO...
+_supported_fs xfs
+_supported_os Linux
+
+echo "Silence is golden."
+
+# real QA test starts here
+rm -f $seq.full
+
+rm -f "$TEST_DIR/aiodio_sparse*"
+$here/src/aiodio_sparse2 "$TEST_DIR/aiodio_sparse"
+
+status=$?
+exit