356 	    hp->bh_bnum = freep->bh_bnum;  in mf_new()
357 	    freep->bh_bnum += page_count;  in mf_new()
370 	    hp->bh_bnum = freep->bh_bnum;  in mf_new()
380 	    hp->bh_bnum = mfp->mf_blocknr_min--;  in mf_new()
385 	    hp->bh_bnum = mfp->mf_blocknr_max;  in mf_new()
438 	hp->bh_bnum = nr;  in mf_get()
501     if (hp->bh_bnum < 0)  in mf_free()
548 	if (((flags & MFS_ALL) || hp->bh_bnum >= 0)  in mf_sync()
550 		&& (status == OK || (hp->bh_bnum >= 0  in mf_sync()
551 		    && hp->bh_bnum < mfp->mf_infile_count)))  in mf_sync()
553 	    if ((flags & MFS_ZERO) && hp->bh_bnum != 0)  in mf_sync()
675 	if (hp->bh_bnum > 0)  in mf_set_dirty()
944     offset = (off_T)page_size * hp->bh_bnum;  in mf_read()
986     if (hp->bh_bnum < 0)	// must assign file block number  in mf_write()
1002 	nr = hp->bh_bnum;  in mf_write()
1061 	if (nr == hp->bh_bnum)		    // written the desired block  in mf_write()
1116     if (hp->bh_bnum >= 0)		    // it's already positive  in mf_trans_add()
1131 	new_bnum = freep->bh_bnum;  in mf_trans_add()
1138 	    freep->bh_bnum += page_count;  in mf_trans_add()
1153     np->nt_old_bnum = hp->bh_bnum;	    // adjust number  in mf_trans_add()
1157     hp->bh_bnum = new_bnum;  in mf_trans_add()