pb->pb_flags &= ~PBF_DELWRI; 
pb->pb_flags &= ~(PBF_DELWRI|_PBF_DELWRI_Q); 
pagebuf_delwri_dequeue(	xfs_buf_t		*pb){	int			dequeued = 0;	spin_lock(&pbd_delwrite_lock);	if ((pb->pb_flags & PBF_DELWRI) && !list_empty(&pb->pb_list)) {		list_del_init(&pb->pb_list);		dequeued = 1;	}	pb->pb_flags &= ~PBF_DELWRI;	spin_unlock(&pbd_delwrite_lock);	if (dequeued)		pagebuf_rele(pb);	PB_TRACE(pb, "delwri_dq", (long)dequeued);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/2f926587512869ebf6bc820bd5f030e127aae774/xfs_buf.c/clean/fs/xfs/linux-2.6/xfs_buf.c