Function pbgetbo

freebsd/vm/vm_pager.c:457–466

* Associate a p-buffer with a vnode. * * Also sets B_PAGING flag to indicate that vnode is not fully associated * with the buffer. i.e. the bp has not been linked into the vnode or * ref-counted. */

 * ref-counted.
 */
void
pbgetbo(struct bufobj *bo, struct buf *bp)
{

	KASSERT(bp->b_vp == NULL, ("pbgetbo: not free (vnode)"));
	KASSERT(bp->b_bufobj == NULL, ("pbgetbo: not free (bufobj)"));

	bp->b_flags |= B_PAGING;
	bp->b_bufobj = bo;
}

/*
 * Disassociate a p-buffer from a vnode.