Re: [PATCH] iotests/108: probe loop device setup

[Kevin Wolf <kwolf@redhat.com>]

Am 13.10.2026 um 20:28 hat Ilya Leoshkevich geschrieben:
> Running iotests/108 in a Docker container, that has passwordless sudo
> configured, fails with:
> 
>     losetup: /home/user/src/qemu/build/scratch/qcow2-file-108/t.qcow2: failed to set up loop device: No such file or directory
> 
> because it incorrectly assumes losetup is allowed to do loop device
> setup, when in reality it can only list devices.
> 
> Fix by probing loop device setup, using the test script as a backing
> file. With this, the test is correctly skipped.
> 
> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>

Won't loop-create-file and fuse-truncate need the same fix?

Maybe we could have a _require_losetup() helper function in common.rc
for the shell-based tests? (Only two at the moment, though I also have a
patch on the list that would add a third one.)

Kevin