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Date:      Tue, 27 Feb 2024 19:03:35 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 276524] Setting LUN block size in ctl.conf to 512 will use volblocksize instead
Message-ID:  <bug-276524-27103-U2WVrYXWPy@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-276524-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-276524-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D276524

Alexander Motin <mav@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Closed
         Resolution|---                         |Not A Bug

--- Comment #21 from Alexander Motin <mav@FreeBSD.org> ---
> Where did 4K come from?

man blockdev says:

       --getbsz
           Print the blocksize in bytes. This size does not describe
           device topology. It=E2=80=99s the size used internally by the ke=
rnel
           and it may be modified (for example) by filesystem driver on
           mount.

To me it sounds like they just invented it out of thin air.

I don't see anything else actionable here, so I am closing the PR.  I you t=
hink
I am wrong, I am open to hear more arguments.

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