Here is a patch set that is based on a "safe implementation of loop
reuse" patch set sent three weeks ago.
It addresses the same loop device issues in losetup.
Issues not addressed:
Calling losetup twice still fails (and it is probably correct):
losetup /dev/loop0 loop.img
losetup /dev/loop0 loop.img
"[PATCH 6/8] losetup: Prevent rare detach race" needs a careful review,
as I don't have a test case for it. It is even possible to skip it. It
addresses a theoretical race problem:
LOOPDEV=$(losetup -f --show loop.img)
losetup -d $LOOPDEV
sleep {a very special amount of time}
losetup -f --show loop.img
--
Best Regards / S pozdravem,
Stanislav Brabec
software developer
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