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Date:      Sat, 14 Sep 2002 18:15:35 +0200
From:      Poul-Henning Kamp <phk@critter.freebsd.dk>
To:        Bruce Evans <bde@zeta.org.au>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/kern vfs_bio.c src/sys/sys bio.h 
Message-ID:  <10588.1032020135@critter.freebsd.dk>
In-Reply-To: Your message of "Sat, 14 Sep 2002 03:33:58 %2B1000." <20020914032217.V10972-100000@gamplex.bde.org> 

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In message <20020914032217.V10972-100000@gamplex.bde.org>, Bruce Evans writes:

>Isn't the "correct" locking just splbio() in RELENG_4 (if this function were
>merged, haha) and Giant in -current.  bufwait() just uses splbio()
>unconditionally.  Of course, Giant is not really correct.

Forget -stable.  In -current Giant would currently be a usable
default, except that it would likely perform worse than the timeout
currently used.  Down the road Giant is almost guaranteed to be
wrong, and therefore I didn't want to employ at this time.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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