[PATCH] Allow watching of vnodes that reside on non-UFS
filesystems with kqueue
Alexander Kabaev
kabaev at gmail.com
Tue Apr 12 20:28:28 PDT 2005
On Tue, 12 Apr 2005 23:05:45 -0400
Suleiman Souhlal <ssouhlal at FreeBSD.org> wrote:
> Hello,
>
> The patch at
> http://people.freebsd.org/~ssouhlal/testing/kqueue-hooks-20050412.diff
>
> allows watching vnodes on non-UFS filesystems with kqueue.
>
> It moves the VN_KNOTE calls to pre and post VOP_* hooks. These hooks
> are currently used for VFS lock debugging only, but I made them
> unconditional. I think that they we could eventually move the
> mac_check_vnode_* calls into them too, with a bit of work.
>
> I would like to commit this to HEAD, if there are no objections.
I for one am not thrilled by all the hooks being made unconditional and
being inserted right into the middle of critical path for the benefit of
rarely used feature.
--
Alexander Kabaev
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