[Bug 293489] readv(2) on cuse device never returns

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 293489] readv(2) on cuse device never returns"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 27 Feb 2026 17:00:07 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293489

--- Comment #2 from elephant <unitrunker@unitrunker.net> ---
I updated the instrumented cuse drive to return -1 on read operations with a
length of zero. readv(2) now returns "Device busy".

I'll take a look at the cuse kmod.

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