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Date:      Sun, 9 Feb 2003 04:49:50 -0500 (EST)
From:      Jeff Roberson <jroberson@chesapeake.net>
To:        Jeff Roberson <jeff@FreeBSD.org>
Cc:        src-committers@FreeBSD.org, <cvs-src@FreeBSD.org>, <cvs-all@FreeBSD.org>, <legacy-committers@FreeBSD.org>
Subject:   Re: cvs commit: src/sys/kern vfs_bio.c
Message-ID:  <20030209044819.L50545-100000@mail.chesapeake.net>
In-Reply-To: <200302090947.h199lVv3053638@repoman.freebsd.org>

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On Sun, 9 Feb 2003, Jeff Roberson wrote:

>   Log:
>    - Lock down the buffer cache's infrastructure code.  This includes locks on
>      buf lists, synchronization variables, and atomic ops for the counters.
>      This change does not remove giant from any code although some pushdown
>      may be possible.
>    - In vfs_bio_awrite() don't access buf fields without the buf lock.

One step closer..  I'm currently working on fixing all cases where bufs
are accessed without locks.  I also have a marked up buf.h that shows what
variables are protected via what lock.  I have a vop_stdfsync that
replaced several duplicated and incomplete fsyncs from the tree.  This
will require some more testing though.

Cheers,
Jeff


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