qemu-iotests: align test requests according to cluster size

Change the io_test and io_test2 functions to take the cluster size of the image
and the number of test requests to issue. Tests are changed to specify a
cluster size (usually 4k), but expected test results stay the same for now
(apart from qemu-img printing the cluster size now).

Based on a patch written by Christoph Hellwig.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 5 insertions, 4 deletions

diff --git a/tests/qemu-iotests/013 b/tests/qemu-iotests/013
index 565071fd91..bd9fdefaf9 100755
--- a/tests/qemu-iotests/013
+++ b/tests/qemu-iotests/013
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# qcow2 pattern test, empty and compressed image
+# qcow2 pattern test, empty and compressed image - 4k cluster patterns
 #
 # Copyright (C) 2009 Red Hat, Inc.
 #
@@ -45,6 +45,7 @@ _supported_os Linux
 
 TEST_OFFSETS="0 4294967296"
 TEST_OPS="writev read write readv"
+CLUSTER_SIZE=4096
 
 _make_test_img 6G
 
@@ -54,7 +55,7 @@ echo
 for offset in $TEST_OFFSETS; do
     echo "At offset $offset:"
     for op in $TEST_OPS; do
-        io_test $op $offset
+        io_test $op $offset $CLUSTER_SIZE 8
     done
     _check_test_img
 done
@@ -72,7 +73,7 @@ echo
 for offset in $TEST_OFFSETS; do
     echo "With offset $offset:"
     for op in read readv; do
-        io_test $op $offset
+        io_test $op $offset $CLUSTER_SIZE 8
     done
     _check_test_img
 done
@@ -85,7 +86,7 @@ for offset in $TEST_OFFSETS; do
     offset=$((offset + 512))
     echo "With offset $offset:"
     for op in $TEST_OPS; do
-        io_test $op $offset
+        io_test $op $offset $CLUSTER_SIZE 8
     done
     _check_test_img
 done