iotests/common.rc: add disk_usage function
Move the definition from iotests/250 to common.rc. This is used to
detect real disk usage of sparse files. In particular, we want to use
it for checking subclusters-based discards.
Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
Reviewed-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-ID: <20240913163942.423050-6-andrey.drobyshev@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20250509204341.3553601-27-eblake@redhat.com>
diff --git a/tests/qemu-iotests/250 b/tests/qemu-iotests/250
index af48f83..c0a0dbc 100755
--- a/tests/qemu-iotests/250
+++ b/tests/qemu-iotests/250
@@ -52,11 +52,6 @@
# bdrv_co_truncate(bs->file) call in qcow2_co_truncate(), which might succeed
# anyway.
-disk_usage()
-{
- du --block-size=1 $1 | awk '{print $1}'
-}
-
size=2100M
_make_test_img -o "cluster_size=1M,preallocation=metadata" $size
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 95c1257..237f746 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -140,6 +140,12 @@
fi
}
+# report real disk usage for sparse files
+disk_usage()
+{
+ du --block-size=1 "$1" | awk '{print $1}'
+}
+
# Set the variables to the empty string to turn Valgrind off
# for specific processes, e.g.
# $ VALGRIND_QEMU_IO= ./check -qcow2 -valgrind 015
