109 static int blkstol2(s64 nb);
335 	int nb, rc;  in dbFree()  local
364 	for (rem = nblocks; rem > 0; rem -= nb, blkno += nb) {  in dbFree()
382 		nb = min(rem, BPERDMAP - (blkno & (BPERDMAP - 1)));  in dbFree()
385 		if ((rc = dbFreeDmap(bmp, dp, blkno, nb))) {  in dbFree()
1128 	int dbitno, word, rembits, nb, nwords, wbitno, nw;  in dbAllocNext()  local
1173 	for (rembits = nblocks; rembits > 0; rembits -= nb, dbitno += nb) {  in dbAllocNext()
1178 		nb = min(rembits, DBWORD - wbitno);  in dbAllocNext()
1182 		if (nb < DBWORD) {  in dbAllocNext()
1185 			mask = (ONES << (DBWORD - nb) >> wbitno);  in dbAllocNext()
1196 			nb = nwords << L2DBWORD;  in dbAllocNext()
1848 	int rc, nb;  in dbAllocCtl()  local
1882 	for (n = nblocks, b = blkno; n > 0; n -= nb, b += nb) {  in dbAllocCtl()
1905 		nb = min_t(s64, n, BPERDMAP);  in dbAllocCtl()
1909 		if ((rc = dbAllocDmap(bmp, dp, b, nb))) {  in dbAllocCtl()
2180 	int dbitno, word, rembits, nb, nwords, wbitno, nw, agno;  in dbAllocBits()  local
2210 	for (rembits = nblocks; rembits > 0; rembits -= nb, dbitno += nb) {  in dbAllocBits()
2215 		nb = min(rembits, DBWORD - wbitno);  in dbAllocBits()
2219 		if (nb < DBWORD) {  in dbAllocBits()
2223 			dp->wmap[word] |= cpu_to_le32(ONES << (DBWORD - nb)  in dbAllocBits()
2246 			nb = nwords << L2DBWORD;  in dbAllocBits()
2327 	int dbitno, word, rembits, nb, nwords, wbitno, nw, agno;  in dbFreeBits()  local
2359 	for (rembits = nblocks; rembits > 0; rembits -= nb, dbitno += nb) {  in dbFreeBits()
2364 		nb = min(rembits, DBWORD - wbitno);  in dbFreeBits()
2368 		if (nb < DBWORD) {  in dbFreeBits()
2373 			    cpu_to_le32(~(ONES << (DBWORD - nb)  in dbFreeBits()
2394 			nb = nwords << L2DBWORD;  in dbFreeBits()
3032 	int bitno, nb;  in dbFindBits()  local
3037 	nb = 1 << l2nb;  in dbFindBits()
3038 	assert(nb <= DBWORD);  in dbFindBits()
3044 	mask = ONES << (DBWORD - nb);  in dbFindBits()
3048 	for (bitno = 0; mask != 0; bitno += nb, mask >>= nb) {  in dbFindBits()
3160 static int blkstol2(s64 nb)  in blkstol2()  argument
3172 		if (nb & mask) {  in blkstol2()
3179 			if (~mask & nb)  in blkstol2()
3212 	int nb, rc;  in dbAllocBottomUp()  local
3226 	for (rem = nblocks; rem > 0; rem -= nb, blkno += nb) {  in dbAllocBottomUp()
3244 		nb = min(rem, BPERDMAP - (blkno & (BPERDMAP - 1)));  in dbAllocBottomUp()
3247 		if ((rc = dbAllocDmapBU(bmp, dp, blkno, nb))) {  in dbAllocBottomUp()
3267 	int dbitno, word, rembits, nb, nwords, wbitno, agno;  in dbAllocDmapBU()  local
3298 	for (rembits = nblocks; rembits > 0; rembits -= nb, dbitno += nb) {  in dbAllocDmapBU()
3303 		nb = min(rembits, DBWORD - wbitno);  in dbAllocDmapBU()
3307 		if (nb < DBWORD) {  in dbAllocDmapBU()
3311 			dp->wmap[word] |= cpu_to_le32(ONES << (DBWORD - nb)  in dbAllocDmapBU()
3325 			nb = nwords << L2DBWORD;  in dbAllocDmapBU()
3749 	int blkno, w, b, r, nw, nb, i;  in dbInitDmap()  local
3776 	for (r = nblocks; r > 0; r -= nb, blkno += nb) {  in dbInitDmap()
3780 		nb = min(r, DBWORD - b);  in dbInitDmap()
3783 		if (nb < DBWORD) {  in dbInitDmap()
3785 			dp->wmap[w] &= cpu_to_le32(~(ONES << (DBWORD - nb)  in dbInitDmap()
3787 			dp->pmap[w] &= cpu_to_le32(~(ONES << (DBWORD - nb)  in dbInitDmap()
3799 			nb = nw << L2DBWORD;  in dbInitDmap()