Am 22.04.2019 um 17:23 hat Vladimir Sementsov-Ogievskiy geschrieben:
> This test checks bug in qcow2_process_discards, fixed by previous
> commit.
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
> Reviewed-by: Eric Blake <ebl...@redhat.com>
> Tested-by: Eric Blake <ebl...@redhat.com>

Doesn't work for me (the exact value probably depends on the file
system, I'm testing on XFS):

--- /home/kwolf/source/qemu/tests/qemu-iotests/250.out  2019-04-23 
10:41:27.972959135 +0200
+++ /home/kwolf/source/qemu/tests/qemu-iotests/250.out.bad      2019-04-23 
11:09:48.035092870 +0200
@@ -12,10 +12,10 @@
 0               0xa00000        0x82f00000      TEST_DIR/t.qcow2
 0x82a00000      0xa00000        0x500000        TEST_DIR/t.qcow2
 virtual size: 2.05 GiB (2202009600 bytes)
-disk size: 24 MiB
+disk size: 25 MiB
 cluster_size: 1048576
 Image resized.
 virtual size: 5 MiB (5242880 bytes)
-disk size: 9 MiB
+disk size: 10 MiB
 cluster_size: 1048576
 *** done

Maybe the output of 'qemu-img map -f raw' would be more reliable?

Kevin

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