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Date:      Mon, 28 Oct 2002 15:46:54 -0500 (EST)
From:      Jeff Roberson <jroberson@chesapeake.net>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        Nate Lawson <nate@root.org>, <current@FreeBSD.org>, Joe Marcus Clarke <marcus@marcuscom.com>, Terry Lambert <tlambert2@mindspring.com>
Subject:   Re: libgtop port and v_tag changes
Message-ID:  <20021028154420.K62100-100000@mail.chesapeake.net>
In-Reply-To: <XFMail.20021028154207.jhb@FreeBSD.org>

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On Mon, 28 Oct 2002, John Baldwin wrote:

>
> > Terry is right.  It needs to be the same inode number that is reported by
> > stat and getdirents.  It's unfortunate that you can't do a getattr or stat
> > based on the address of the vnode.  I have actually used and relied on this
> > behavior in the past.  Not specifically with gtop though.
>
>         if ((error = VOP_GETATTR(vp, vap, cred, td)) == 0) {
>                 vp->v_cachedfs = vap->va_fsid;
>                 vp->v_cachedid = vap->va_fileid;
>         }
>
> and the only other place it is set:
>
>         vap = &vattr;
>         error = VOP_GETATTR(vp, vap, active_cred, td);
>         if (error)
>                 return (error);
>
>         vp->v_cachedfs = vap->va_fsid;
>         vp->v_cachedid = vap->va_fileid;
>
Oh, right you are.  I was thinking of v_id.  The cachedfs/id have been
added recently.

Cheers,
Jeff


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