[Bug 294327] bhyve never closes files that were opened by guest virtual machine via 9pfs

[email protected] Sun, 17 May 2026 06:58:14 +0000
Newsgroups gmane.os.freebsd.devel.emulation
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294327

--- Comment #3 from Nimish Jain <[email protected]> ---
Sorry, the patch was sent without this comment.

It seems this bug appears because calling close() on an open file in the guest
will not send a clunk request to the P9 server. This is deferred until the
vnode is reclaimed, which can be after a while.

The suggested fix clunks the open FID if the calling process is the last one
using it.

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