[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 17:08:54 UTC

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

--- Comment #3 from elephant <unitrunker@unitrunker.net> ---
I changed the readv call to pass only one iovec. Data was transferred but once
all data was exhausted and the cuse device returns zero bytes copied, the readv
call blocks indefinitely. This, I think is WAD since readv doesn't know when
new data will eventually become available.

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