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Re: CVS commit: src/sys



Jason R Thorpe wrote:
> On Mon, Mar 17, 2003 at 11:11:31AM +0200, Jaromir Dolecek wrote:
> 
>  > Log Message:
>  > make it possible for UNION fs to be loaded via LKM - instead of
>  > having some #ifdef UNION code in vfs_vnops.c, introduce variable
>  > 'vn_union_readdir_hook' which is set to address of appropriate
>  > vn_readdir() hook by union filesystem when it's loaded & mounted
> 
> So, what happens if you load 2 LKMs that want to set this hook?

Two different UNION LKMs?

This hook is purely and only for UNION filesystem. The former code
checked (vp->v_op == union_vnodeop_p) for example.  That check was
now moved to union_readdirhook(). The former code was purely UNION
filesystem specific, and so is this vn_union_readdir_hook.

Jaromir 
-- 
Jaromir Dolecek <jdolecek%NetBSD.org@localhost>            
http://www.NetBSD.org/
-=- We should be mindful of the potential goal, but as the tantric    -=-
-=- Buddhist masters say, ``You may notice during meditation that you -=-
-=- sometimes levitate or glow.   Do not let this distract you.''     -=-



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