[PATCH] Allow watching of vnodes that reside on non-UFS filesystems with kqueue

[John-Mark Gurney]

John-Mark Gurney wrote this message on Tue, Apr 12, 2005 at 22:40 -0700:
> Suleiman Souhlal wrote this message on Tue, Apr 12, 2005 at 23:05 -0400:
> > 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 would prefer to move the vfs_kqfilter and filt_vfs* functions either
> be moved to a vfs specific file, or be moved to their own file..  also,
> it appears that we lost support for extending of files... though I can't
> confirm that...  Have you verified that extending still gets notified?
> 
> Other wise looks good...

Just to clarify, I'm only ok'ing the kqueue changes (as long as
the concers above are cleared).. I don't have enough VFS experience to
say how the VFS changes will effect things..


-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."