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2021-01-20iotests: define group in each iotestVladimir Sementsov-Ogievskiy
We are going to drop group file. Define group in tests as a preparatory step. The patch is generated by cd tests/qemu-iotests grep '^[0-9]\{3\} ' group | while read line; do file=$(awk '{print $1}' <<< "$line"); groups=$(sed -e 's/^... //' <<< "$line"); awk "NR==2{print \"# group: $groups\"}1" $file > tmp; cat tmp > $file; done Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20210116134424.82867-7-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2020-12-11iotests: Enable fuse for many testsMax Reitz
Many tests (that do not support generic protocols) can run just fine with FUSE-exported images, so allow them to. Note that this is no attempt at being definitely complete. There are some tests that might be modified to run on FUSE, but this patch still skips them. This patch only tries to pick the rather low-hanging fruits. Note that 221 and 250 only pass when .lseek is correctly implemented, which is only possible with a libfuse that is 3.8 or newer. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201027190600.192171-20-mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-06-17iotests/292: data_file is unsupportedMax Reitz
Fixes: e4d7019e1a81c61de6a925c3ac5bb6e62ea21b29 Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20200617104822.27525-4-mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-05-08qcow2: Avoid integer wraparound in qcow2_co_truncate()Alberto Garcia
After commit f01643fb8b47e8a70c04bbf45e0f12a9e5bc54de when an image is extended and BDRV_REQ_ZERO_WRITE is set then the new clusters are zeroized. The code however does not detect correctly situations when the old and the new end of the image are within the same cluster. The problem can be reproduced with these steps: qemu-img create -f qcow2 backing.qcow2 1M qemu-img create -f qcow2 -F qcow2 -b backing.qcow2 top.qcow2 qemu-img resize --shrink top.qcow2 520k qemu-img resize top.qcow2 567k In the last step offset - zero_start causes an integer wraparound. Signed-off-by: Alberto Garcia <berto@igalia.com> Message-Id: <20200504155217.10325-1-berto@igalia.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>