From owner-cvs-all  Sun Aug  4  5:17:37 2002
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Date: Sun, 4 Aug 2002 08:17:20 -0400 (EDT)
From: Robert Watson <rwatson@FreeBSD.org>
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To: Jeff Roberson <jeff@FreeBSD.org>
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/alpha/osf1 imgact_osf1.c src/sys/coda         coda_namecache.c coda_subr.c coda_vfsops.c src/sys/compat/linux         linux_getcwd.c linux_misc.c src/sys/compat/pecoff imgact_pecoff.c         src/sys/compat/svr4 imgact_svr4.c src/sys/fs/deadfs dead_vnops.c ...
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On Sun, 4 Aug 2002, Jeff Roberson wrote:

>    - Replace v_flag with v_iflag and v_vflag
>    - v_vflag is protected by the vnode lock and is used when
> synchronization
>      with VOP calls is needed. 
>    - v_iflag is protected by interlock and is used for dealing with
> vnode
>      management issues.  These flags include X/O LOCK, FREE, DOOMED,
> etc. 
>    - All accesses to v_iflag and v_vflag have either been locked or
> marked with
>      mp_fixme's. 
>    - Many ASSERT_VOP_LOCKED calls have been added where the locking was
> not
>      clear. 
>    - Many functions in vfs_subr.c were restructured to provide for
> stronger
>      locking. 

Cool, great work! 

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Network Associates Laboratories


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