1 files changed, 21 insertions, 0 deletions
diff --git a/utils.c b/utils.c
index 6228c7fe..17f31fc3 100644
--- a/utils.c
+++ b/utils.c
@@ -2720,3 +2720,24 @@ int btrfs_tree_search2_ioctl_supported(int fd)
 
 	return v2_supported;
 }
+
+int btrfs_check_node_or_leaf_size(u32 size, u32 sectorsize)
+{
+	if (size < sectorsize) {
+		fprintf(stderr,
+			"Illegal leafsize (or nodesize) %u (smaller than %u)\n",
+			size, sectorsize);
+		return -1;
+	} else if (size > BTRFS_MAX_METADATA_BLOCKSIZE) {
+		fprintf(stderr,
+			"Illegal leafsize (or nodesize) %u (larger than %u)\n",
+			size, BTRFS_MAX_METADATA_BLOCKSIZE);
+		return -1;
+	} else if (size & (sectorsize - 1)) {
+		fprintf(stderr,
+			"Illegal leafsize (or nodesize) %u (not align to %u)\n",
+			size, sectorsize);
+		return -1;
+	}
+	return 0;
+}