1 files changed, 1 insertions, 1 deletions
diff --git a/utils.c b/utils.c
index 3e9c527a..187ad3b9 100644
--- a/utils.c
+++ b/utils.c
@@ -626,7 +626,7 @@ int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
 		 * is not necessary for the mkfs functionality but just an
 		 * optimization.
 		 */
-		if (discard_blocks(fd, 0, 0) == 0) {
+		if (discard_range(fd, 0, 0) == 0) {
 			fprintf(stderr, "Performing full device TRIM (%s) ...\n",
 				pretty_size(block_count));
 			discard_blocks(fd, 0, block_count);