4185 New hash algorithm support

@@ -978,11 +978,11 @@
         if (buf->b_hdr->b_freeze_cksum == NULL ||
             (buf->b_hdr->b_flags & ARC_IO_ERROR)) {
                 mutex_exit(&buf->b_hdr->b_freeze_lock);
                 return;
         }
-        fletcher_2_native(buf->b_data, buf->b_hdr->b_size, &zc);
+        fletcher_2_native(buf->b_data, buf->b_hdr->b_size, NULL, NULL, &zc);
         if (!ZIO_CHECKSUM_EQUAL(*buf->b_hdr->b_freeze_cksum, zc))
                 panic("buffer modified while frozen!");
         mutex_exit(&buf->b_hdr->b_freeze_lock);
 }
 

@@ -991,11 +991,11 @@
 {
         zio_cksum_t zc;
         int equal;
 
         mutex_enter(&buf->b_hdr->b_freeze_lock);
-        fletcher_2_native(buf->b_data, buf->b_hdr->b_size, &zc);
+        fletcher_2_native(buf->b_data, buf->b_hdr->b_size, NULL, NULL, &zc);
         equal = ZIO_CHECKSUM_EQUAL(*buf->b_hdr->b_freeze_cksum, zc);
         mutex_exit(&buf->b_hdr->b_freeze_lock);
 
         return (equal);
 }

@@ -1010,11 +1010,11 @@
         if (buf->b_hdr->b_freeze_cksum != NULL) {
                 mutex_exit(&buf->b_hdr->b_freeze_lock);
                 return;
         }
         buf->b_hdr->b_freeze_cksum = kmem_alloc(sizeof (zio_cksum_t), KM_SLEEP);
-        fletcher_2_native(buf->b_data, buf->b_hdr->b_size,
+        fletcher_2_native(buf->b_data, buf->b_hdr->b_size, NULL, NULL,
             buf->b_hdr->b_freeze_cksum);
         mutex_exit(&buf->b_hdr->b_freeze_lock);
         arc_buf_watch(buf);
 }