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From 5be29b09f5d571260cb48bc4a24f32265662fed1 Mon Sep 17 00:00:00 2001
From: Stefan Hajnoczi <stefanha@redhat.com>
Date: Tue, 25 Mar 2014 14:23:09 +0100
Subject: [PATCH 02/49] qemu-iotests: add ./check -cloop support

RH-Author: Kevin Wolf <kwolf@redhat.com>
Message-id: <1395753835-7591-3-git-send-email-kwolf@redhat.com>
Patchwork-id: n/a
O-Subject: [virt-devel] [EMBARGOED RHEL-7.0 qemu-kvm PATCH 02/48] qemu-iotests: add ./check -cloop support
Bugzilla: 1066691
RH-Acked-by: Jeff Cody <jcody@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>

From: Stefan Hajnoczi <stefanha@redhat.com>

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1066691
Upstream status: Series embargoed

Add the cloop block driver to qemu-iotests.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 tests/qemu-iotests/common    |    7 +++++++
 tests/qemu-iotests/common.rc |    3 +++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/tests/qemu-iotests/common b/tests/qemu-iotests/common
index 8cde7f1..b5043fc 100644
--- a/tests/qemu-iotests/common
+++ b/tests/qemu-iotests/common
@@ -129,6 +129,7 @@ common options
 check options
     -raw                test raw (default)
     -cow                test cow
+    -cloop              test cloop
     -qcow               test qcow
     -qcow2              test qcow2
     -qed                test qed
@@ -167,6 +168,12 @@ testlist options
             xpand=false
             ;;
 
+        -cloop)
+            IMGFMT=cloop
+            IMGFMT_GENERIC=false
+            xpand=false
+            ;;
+
         -qcow)
             IMGFMT=qcow
             xpand=false
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 7f62457..65c5bc1 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -350,6 +350,9 @@ _fail()
 #
 _supported_fmt()
 {
+    # "generic" is suitable for most image formats. For some formats it doesn't
+    # work, however (most notably read-only formats), so they can opt out by
+    # setting IMGFMT_GENERIC to false.
     for f; do
         if [ "$f" = "$IMGFMT" -o "$f" = "generic" -a "$IMGFMT_GENERIC" = "true" ]; then
             return
-- 
1.7.1