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VOP_INACTIVE, VOP_RECLAIM — vnode ?Τ????Υե????륷???ƥ??񸻤β???

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<sys/param.h> <sys/vnode.h> int VOP_INACTIVE(struct vnode *vp, struct thread *td) int VOP_RECLAIM(struct vnode *vp, struct thread *td)

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vp

?????????Ƥ??? vnode??

VOP_INACTIVE() ?ϡ??????ͥ뤬???Ϥ䤽?? vnode ?????Ѥ??ʤ??ʤä????˸ƤӽФ????ޤ??? ?????ϡ????ȥ??????Ȥ? 0 ?ˤʤä????? ?ޤ??ϥ????ץ󤵤??Ƥ????ե????뤬?????ե????륷???ƥब ????Ū?˥????ޥ????Ȥ??줿???˵??????ޤ??? ‘?????ץ󤵤??Ƥ??뤬???????줿’ ?ե??????Τ??????ΰ??????????뤿???ˡ? ???Ѳ?ǽ?Ǥ???

VOP_RECLAIM() ?ϡ??ۤʤ??ե????륷???ƥ??Τ????? vnode ???????Ѥ????????˸ƤӽФ????ޤ??? vnode ?˴?Ϣ???Ƥ??뤢???????ե????륷???ƥ???ͭ?λ񸻤ϡ????????????٤??Ǥ???

???å?

VOP_INACTIVE ?Ǥϡ????????? vp ?????å??????ޤ??? VOP_INACTIVE ?????ɤϡ????????? vp ?򥢥????å????ʤ????Фʤ??ޤ?????

VOP_RECLAIM ?Ǥϡ????????? vp ?ϥ??å????줺?????????????å??????ʤ??ޤޤǤ????٤??Ǥ???

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int
vop_inactive(struct vnode *vp, struct thread *td)
{
    if (link count of vp == 0) {
	/*
	 * vp ?Τ????Υե????륷???ƥ??????ΰ??????????ޤ???
	 */
	...;
    }
    VOP_UNLOCK(vp, 0, td);

    return 0;
}

int
vop_reclaim(struct vnode *vp, struct thread *td)
{
    /*
     * ̾???????å????????ݤ??ޤ???
     */
    cache_purge(vp);

    /*
     * ?ե????륷???ƥ??˴?Ϣ?????ǡ????????????ޤ???
     */
    ...;

    return 0;
}

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vnode(9)

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???Υޥ˥奢???ڡ????? Doug Rabson ???񤭤ޤ?????