diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index 62e2e80..1c11721 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -1841,16 +1841,20 @@
 	return blknr;
 }
 
-void ext4fs_close(void)
+/**
+ * ext4fs_reinit_global() - Reinitialize values of ext4 write implementation's
+ *			    global pointers
+ *
+ * This function assures that for a file with the same name but different size
+ * the sequential store on the ext4 filesystem will be correct.
+ *
+ * In this function the global data, responsible for internal representation
+ * of the ext4 data are initialized to the reset state. Without this, during
+ * replacement of the smaller file with the bigger truncation of new file was
+ * performed.
+ */
+void ext4fs_reinit_global(void)
 {
-	if ((ext4fs_file != NULL) && (ext4fs_root != NULL)) {
-		ext4fs_free_node(ext4fs_file, &ext4fs_root->diropen);
-		ext4fs_file = NULL;
-	}
-	if (ext4fs_root != NULL) {
-		free(ext4fs_root);
-		ext4fs_root = NULL;
-	}
 	if (ext4fs_indir1_block != NULL) {
 		free(ext4fs_indir1_block);
 		ext4fs_indir1_block = NULL;
@@ -1870,6 +1874,19 @@
 		ext4fs_indir3_blkno = -1;
 	}
 }
+void ext4fs_close(void)
+{
+	if ((ext4fs_file != NULL) && (ext4fs_root != NULL)) {
+		ext4fs_free_node(ext4fs_file, &ext4fs_root->diropen);
+		ext4fs_file = NULL;
+	}
+	if (ext4fs_root != NULL) {
+		free(ext4fs_root);
+		ext4fs_root = NULL;
+	}
+
+	ext4fs_reinit_global();
+}
 
 int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
 				struct ext2fs_node **fnode, int *ftype)
diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
index 3db22f8..c42add9 100644
--- a/fs/ext4/ext4_write.c
+++ b/fs/ext4/ext4_write.c
@@ -562,6 +562,7 @@
 
 	ext4fs_update();
 	ext4fs_deinit();
+	ext4fs_reinit_global();
 
 	if (ext4fs_init() != 0) {
 		printf("error in File System init\n");
diff --git a/include/ext4fs.h b/include/ext4fs.h
index aacb147..fbbb002 100644
--- a/include/ext4fs.h
+++ b/include/ext4fs.h
@@ -133,6 +133,7 @@
 int ext4fs_read(char *buf, unsigned len);
 int ext4fs_mount(unsigned part_length);
 void ext4fs_close(void);
+void ext4fs_reinit_global(void);
 int ext4fs_ls(const char *dirname);
 int ext4fs_exists(const char *filename);
 void ext4fs_free_node(struct ext2fs_node *node, struct ext2fs_node *currroot);