82 static daddr_t blst_leaf_alloc(blmeta_t *scan, daddr_t blk, int count);
84     daddr_t count, daddr_t radix, int skip);
85 static void blst_leaf_free(blmeta_t *scan, daddr_t relblk, int count);
86 static void blst_meta_free(blmeta_t *scan, daddr_t freeBlk, daddr_t count,
89     daddr_t skip, blist_t dest, daddr_t count);
91     int skip, daddr_t count);
158 blist_alloc(blist_t bl, daddr_t count)  in blist_alloc()  argument
164 			blk = blst_leaf_alloc(bl->bl_root, 0, count);  in blist_alloc()
166 			blk = blst_meta_alloc(bl->bl_root, 0, count,  in blist_alloc()
170 			bl->bl_free -= count;  in blist_alloc()
183 blist_free(blist_t bl, daddr_t blkno, daddr_t count)  in blist_free()  argument
187 			blst_leaf_free(bl->bl_root, blkno, count);  in blist_free()
189 			blst_meta_free(bl->bl_root, blkno, count,  in blist_free()
192 		bl->bl_free += count;  in blist_free()
205 blist_resize(blist_t *pbl, daddr_t count, int freenew)  in blist_resize()  argument
207 	blist_t newbl = blist_create(count);  in blist_resize()
211 	if (count > save->bl_blocks) {  in blist_resize()
212 		count = save->bl_blocks;  in blist_resize()
214 	blst_copy(save->bl_root, 0, save->bl_radix, save->bl_skip, newbl, count);  in blist_resize()
219 	if (freenew && count < newbl->bl_blocks) {  in blist_resize()
220 		blist_free(newbl, count, newbl->bl_blocks - count);  in blist_resize()
261 blst_leaf_alloc(blmeta_t *scan, daddr_t blk, int count)  argument
274 	if (count == 1) {
296 	if (count <= BLIST_BMAP_RADIX) {
298 	if (count <= (int)BLIST_BMAP_RADIX) {
308 		int n = BLIST_BMAP_RADIX - count;
324 	scan->bm_bighint = count - 1;
338 blst_meta_alloc(blmeta_t *scan, daddr_t blk, daddr_t count, daddr_t radix,  argument
348 		scan->bm_bighint = count;
376 		if (count <= scan[i].bm_bighint) {
382 				r = blst_leaf_alloc(&scan[i], blk, count);
384 				r = blst_meta_alloc(&scan[i], blk, count,
388 				scan->u.bmu_avail -= count;
399 		} else if (count > radix) {
412 	if (scan->bm_bighint >= count) {
413 		scan->bm_bighint = count - 1;
424 blst_leaf_free(blmeta_t *scan, daddr_t blk, int count)  argument
438 	    ((u_daddr_t)-1 >> (BLIST_BMAP_RADIX - count - n));
466 blst_meta_free(blmeta_t *scan, daddr_t freeBlk, daddr_t count, daddr_t radix,  argument
474 	    freeBlk, count,
484 		scan->u.bmu_avail = count;
485 		scan->bm_bighint = count;
487 		if (count != radix) {
502 		scan->u.bmu_avail += count;
514 		panic("blst_meta_free: freeing already free blocks (%d) %d/%d", count, scan->u.bmu_avail, radix);
527 	while (i <= skip && blk < freeBlk + count) {
531 		if (v > count) {
532 			v = count;
548 		count -= v;
564     daddr_t skip, blist_t dest, daddr_t count)  argument
577 			blist_free(dest, blk, count);
582 			for (i = 0; i < BLIST_BMAP_RADIX && i < count; ++i) {
590 			for (j = 0; j < (int)BLIST_BMAP_RADIX && j < count; ++j) {
614 		if (count < radix) {
615 			blist_free(dest, blk, count);
625 	for (i = 1; count && i <= skip; i += next_skip) {
630 		if (count >= radix) {
639 			count -= radix;
641 			if (count) {
648 					count
651 			count = 0;
667 blst_radix_init(blmeta_t *scan, daddr_t radix, int skip, daddr_t count)  argument
700 		if (count >= radix) {
710 			count -= radix;
711 		} else if (count > 0) {
719 				count
721 			count = 0;
844 		daddr_t count = 0;  local
854 			if (sscanf(buf + 1, "%d", &count) == 1) {
855 				blist_resize(&bl, count, 1);
863 			if (sscanf(buf + 1, "%d", &count) == 1) {
864 				daddr_t blk = blist_alloc(bl, count);
871 			if (sscanf(buf + 1, "%x %d", &da, &count) == 2) {
872 				blist_free(bl, da, count);