Index: kern/subr_blist.c
===================================================================
--- kern/subr_blist.c
+++ kern/subr_blist.c
@@ -127,8 +127,8 @@
 					daddr_t radix, int skip, daddr_t blk);
 static void blst_copy(blmeta_t *scan, daddr_t blk, daddr_t radix, 
 				daddr_t skip, blist_t dest, daddr_t count);
-static int blst_leaf_fill(blmeta_t *scan, daddr_t blk, int count);
-static int blst_meta_fill(blmeta_t *scan, daddr_t allocBlk, daddr_t count,
+static daddr_t blst_leaf_fill(blmeta_t *scan, daddr_t blk, int count);
+static daddr_t blst_meta_fill(blmeta_t *scan, daddr_t allocBlk, daddr_t count,
 				daddr_t radix, int skip, daddr_t blk);
 static daddr_t	blst_radix_init(blmeta_t *scan, daddr_t radix, 
 						int skip, daddr_t count);
@@ -248,10 +248,10 @@
  *			actually filled that were free before the call.
  */
 
-int
+daddr_t
 blist_fill(blist_t bl, daddr_t blkno, daddr_t count)
 {
-	int filled;
+	daddr_t filled;
 
 	if (bl) {
 		if (bl->bl_radix == BLIST_BMAP_RADIX)
@@ -726,11 +726,11 @@
  *	the number of blocks allocated by the call.
  */
 
-static int
+static daddr_t
 blst_leaf_fill(blmeta_t *scan, daddr_t blk, int count)
 {
 	int n = blk & (BLIST_BMAP_RADIX - 1);
-	int nblks;
+	daddr_t nblks;
 	u_daddr_t mask, bitmap;
 
 	mask = ((u_daddr_t)-1 << n) &
@@ -753,7 +753,7 @@
  *	range must be within the extent of this node.  Returns the
  *	number of blocks allocated by the call.
  */
-static int
+static daddr_t
 blst_meta_fill(
 	blmeta_t *scan,
 	daddr_t allocBlk,
@@ -764,7 +764,7 @@
 ) {
 	int i;
 	int next_skip = ((u_int)skip / BLIST_META_RADIX);
-	int nblks = 0;
+	daddr_t nblks = 0;
 
 	if (count > radix)
 		panic("blist_meta_fill: allocation too large");
@@ -1047,8 +1047,8 @@
 			break;
 		case 'l':
 			if (sscanf(buf + 1, "%llx %lld", &da, &count) == 2) {
-				printf("    n=%d\n",
-				    blist_fill(bl, da, count));
+				printf("    n=%lld\n",
+				    (long long)blist_fill(bl, da, count));
 			} else {
 				printf("?\n");
 			}
Index: sys/blist.h
===================================================================
--- sys/blist.h
+++ sys/blist.h
@@ -96,7 +96,7 @@
 extern void blist_destroy(blist_t blist);
 extern daddr_t blist_alloc(blist_t blist, daddr_t count);
 extern void blist_free(blist_t blist, daddr_t blkno, daddr_t count);
-extern int blist_fill(blist_t bl, daddr_t blkno, daddr_t count);
+extern daddr_t blist_fill(blist_t bl, daddr_t blkno, daddr_t count);
 extern void blist_print(blist_t blist);
 extern void blist_resize(blist_t *pblist, daddr_t count, int freenew, int flags);