diff --git a/fs/ext4/ext4_journal.c b/fs/ext4/ext4_journal.c
index 3f61335..cf14049 100644
--- a/fs/ext4/ext4_journal.c
+++ b/fs/ext4/ext4_journal.c
@@ -151,7 +151,7 @@
  * journal_buffer -- Buffer containing meta data
  * blknr -- Block number on disk of the meta data buffer
  */
-int ext4fs_log_journal(char *journal_buffer, long int blknr)
+int ext4fs_log_journal(char *journal_buffer, uint32_t blknr)
 {
 	struct ext_filesystem *fs = get_fs();
 	short i;
@@ -183,7 +183,7 @@
  * metadata_buffer -- Buffer containing meta data
  * blknr -- Block number on disk of the meta data buffer
  */
-int ext4fs_put_metadata(char *metadata_buffer, long int blknr)
+int ext4fs_put_metadata(char *metadata_buffer, uint32_t blknr)
 {
 	struct ext_filesystem *fs = get_fs();
 	if (!metadata_buffer) {
@@ -215,7 +215,7 @@
 	printf("total bytes %d\n", max);
 
 	while (offset < max) {
-		blocknr = be32_to_cpu(*((long int *)(revk_blk + offset)));
+		blocknr = be32_to_cpu(*((__be32 *)(revk_blk + offset)));
 		printf("revoke blknr is %ld\n", blocknr);
 		offset += 4;
 	}
@@ -302,7 +302,7 @@
 			max = be32_to_cpu(header->r_count);
 
 			while (offset < max) {
-				blocknr = be32_to_cpu(*((long int *)
+				blocknr = be32_to_cpu(*((__be32 *)
 						  (revk_blk + offset)));
 				if (blocknr == blknr)
 					goto found;
@@ -420,7 +420,7 @@
 		       temp_buff);
 	jsb = (struct journal_superblock_t *) temp_buff;
 
-	if (fs->sb->feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
+	if (le32_to_cpu(fs->sb->feature_incompat) & EXT3_FEATURE_INCOMPAT_RECOVER) {
 		if (recovery_flag == RECOVER)
 			printf("Recovery required\n");
 	} else {
@@ -517,11 +517,14 @@
 
 end:
 	if (recovery_flag == RECOVER) {
+		uint32_t new_feature_incompat;
 		jsb->s_start = cpu_to_be32(1);
 		jsb->s_sequence = cpu_to_be32(be32_to_cpu(jsb->s_sequence) + 1);
 		/* get the superblock */
 		ext4_read_superblock((char *)fs->sb);
-		fs->sb->feature_incompat |= EXT3_FEATURE_INCOMPAT_RECOVER;
+		new_feature_incompat = le32_to_cpu(fs->sb->feature_incompat);
+		new_feature_incompat |= EXT3_FEATURE_INCOMPAT_RECOVER;
+		fs->sb->feature_incompat = cpu_to_le32(new_feature_incompat);
 
 		/* Update the super block */
 		put_ext4((uint64_t) (SUPERBLOCK_SIZE),