diff -r -u ./platform-ecu01/build-target/mtd-utils-1.5.0/mkfs.ubifs/mkfs.ubifs.c ./platform-ecu01/build-host/mtd-utils-1.5.0/mkfs.ubifs/mkfs.ubifs.c
--- mtd-utils-1.5.0/mkfs.ubifs/mkfs.ubifs.c 2012-05-07 09:19:39.000000000 +0200
+++ mtd-utils-1.5.0/mkfs.ubifs/mkfs.ubifs.c 2019-07-29 16:17:34.482830999 +0200
@@ -25,6 +25,7 @@
 #include "mkfs.ubifs.h"
 #include <crc32.h>
 #include "common.h"
+#include <stdbool.h>
 
 /* Size (prime number) of hash table for link counting */
 #define HASH_TABLE_SIZE 10099
@@ -1042,8 +1043,10 @@
 	union ubifs_key key;
 	int len, use_flags = 0;
 
+#if 0
 	if (c->default_compr != UBIFS_COMPR_NONE)
 		use_flags |= UBIFS_COMPR_FL;
+#endif
 	if (flags & FS_COMPR_FL)
 		use_flags |= UBIFS_COMPR_FL;
 	if (flags & FS_SYNC_FL)
@@ -1276,6 +1279,24 @@
 	unsigned int block_no = 0;
 	size_t out_len;
 
+#if 1
+	bool no_compression = false;
+	if (strstr(path_name, ".gz") ||
+		strstr(path_name, "/lib/lib") || 
+		strstr(path_name, "/bin/")
+		)
+	{
+		no_compression = true;
+	}
+	
+	if (no_compression)
+	{
+		(void)fprintf(stderr, "## Skipping compression for file '%s'\n", path_name);
+		use_compr = UBIFS_COMPR_NONE;
+		flags &= ~FS_COMPR_FL;
+	}
+#endif
+
 	fd = open(path_name, O_RDONLY | O_LARGEFILE);
 	if (fd == -1)
 		return sys_err_msg("failed to open file '%s'", path_name);
@@ -1301,6 +1322,7 @@
 			block_no += 1;
 			continue;
 		}
+
 		/* Make data node */
 		memset(dn, 0, UBIFS_DATA_NODE_SZ);
 		data_key_init(&key, inum, block_no++);
@@ -1308,13 +1330,27 @@
 		key_write(&key, &dn->key);
 		dn->size = cpu_to_le32(bytes_read);
 		out_len = NODE_BUFFER_SIZE - UBIFS_DATA_NODE_SZ;
-		if (c->default_compr == UBIFS_COMPR_NONE &&
-		    (flags & FS_COMPR_FL))
-			use_compr = UBIFS_COMPR_LZO;
+#if 1
+		if (no_compression) {
+			use_compr = UBIFS_COMPR_NONE;
+		}
 		else
-			use_compr = c->default_compr;
+		{
+#endif
+			if (c->default_compr == UBIFS_COMPR_NONE &&
+		  	  (flags & FS_COMPR_FL))
+				use_compr = UBIFS_COMPR_LZO;
+			else
+				use_compr = c->default_compr;
+#if 1
+		}
+#endif
 		compr_type = compress_data(buf, bytes_read, &dn->data,
 					   &out_len, use_compr);
+#if 1
+		if (compr_type != MKFS_UBIFS_COMPR_NONE)
+			flags |= FS_COMPR_FL;
+#endif
 		dn->compr_type = cpu_to_le16(compr_type);
 		dn_len = UBIFS_DATA_NODE_SZ + out_len;
 		/* Add data node to file system */