qemu-iotests: add test for backing file overriding

Test that backing.file.filename option can be parsed and override the
backing file from image (backing file reflected with "info block").

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2013-09-22 20:05:07 +08:00 committed by Kevin Wolf
parent dbecebddfa
commit 4db9c98002
2 changed files with 27 additions and 1 deletions

View file

@ -1,5 +1,6 @@
QA output created by 051
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file='TEST_DIR/t.IMGFMT.base'
=== Unknown option ===
@ -16,6 +17,16 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo: could not open disk image TEST_DIR/t.qcow2: Block format 'qcow2' used by device 'ide0-hd0' doesn't support the option 'unknown_opt'
=== Overriding backing file ===
Testing: -drive file=TEST_DIR/t.qcow2,driver=qcow2,backing.file.filename=TEST_DIR/t.qcow2.orig -nodefaults
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo block
ide0-hd0: TEST_DIR/t.qcow2 (qcow2)
Backing file: TEST_DIR/t.qcow2.orig (chain depth: 1)
[not inserted](qemu) qququiquit
=== Enable and disable lazy refcounting on the command line, plus some invalid values ===
Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on