diff --git a/libexfat/io.c b/libexfat/io.c
index 066180db..644590f9 100644
--- a/libexfat/io.c
+++ b/libexfat/io.c
@@ -386,112 +386,3 @@ ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
 	return pwrite(dev->fd, buffer, size, offset);
 #endif
 }
-
-ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node,
-		void* buffer, size_t size, off_t offset)
-{
-	uint64_t newsize = offset;
-	cluster_t cluster;
-	char* bufp = buffer;
-	off_t lsize, loffset, remainder;
-
-	if (offset < 0)
-		return -EINVAL;
-	if (newsize >= node->size)
-		return 0;
-	if (size == 0)
-		return 0;
-
-	cluster = exfat_advance_cluster(ef, node, newsize / CLUSTER_SIZE(*ef->sb));
-	if (CLUSTER_INVALID(*ef->sb, cluster))
-	{
-		exfat_error("invalid cluster 0x%x while reading", cluster);
-		return -EIO;
-	}
-
-	loffset = newsize % CLUSTER_SIZE(*ef->sb);
-	remainder = MIN(size, node->size - newsize);
-	while (remainder > 0)
-	{
-		if (CLUSTER_INVALID(*ef->sb, cluster))
-		{
-			exfat_error("invalid cluster 0x%x while reading", cluster);
-			return -EIO;
-		}
-		lsize = MIN(CLUSTER_SIZE(*ef->sb) - loffset, remainder);
-		if (exfat_pread(ef->dev, bufp, lsize,
-					exfat_c2o(ef, cluster) + loffset) < 0)
-		{
-			exfat_error("failed to read cluster %#x", cluster);
-			return -EIO;
-		}
-		bufp += lsize;
-		loffset = 0;
-		remainder -= lsize;
-		cluster = exfat_next_cluster(ef, node, cluster);
-	}
-	if (!(node->attrib & EXFAT_ATTRIB_DIR) && !ef->ro && !ef->noatime)
-		exfat_update_atime(node);
-	return MIN(size, node->size - newsize) - remainder;
-}
-
-ssize_t exfat_generic_pwrite(struct exfat* ef, struct exfat_node* node,
-		const void* buffer, size_t size, off_t offset)
-{
-	uint64_t newsize = offset;
-	int rc;
-	cluster_t cluster;
-	const char* bufp = buffer;
-	off_t lsize, loffset, remainder;
-
-	if (offset < 0)
-		return -EINVAL;
-	if (newsize > node->size)
-	{
-		rc = exfat_truncate(ef, node, newsize, true);
-		if (rc != 0)
-			return rc;
-	}
-	if (newsize + size > node->size)
-	{
-		rc = exfat_truncate(ef, node, newsize + size, false);
-		if (rc != 0)
-			return rc;
-	}
-	if (size == 0)
-		return 0;
-
-	cluster = exfat_advance_cluster(ef, node, newsize / CLUSTER_SIZE(*ef->sb));
-	if (CLUSTER_INVALID(*ef->sb, cluster))
-	{
-		exfat_error("invalid cluster 0x%x while writing", cluster);
-		return -EIO;
-	}
-
-	loffset = newsize % CLUSTER_SIZE(*ef->sb);
-	remainder = size;
-	while (remainder > 0)
-	{
-		if (CLUSTER_INVALID(*ef->sb, cluster))
-		{
-			exfat_error("invalid cluster 0x%x while writing", cluster);
-			return -EIO;
-		}
-		lsize = MIN(CLUSTER_SIZE(*ef->sb) - loffset, remainder);
-		if (exfat_pwrite(ef->dev, bufp, lsize,
-				exfat_c2o(ef, cluster) + loffset) < 0)
-		{
-			exfat_error("failed to write cluster %#x", cluster);
-			return -EIO;
-		}
-		bufp += lsize;
-		loffset = 0;
-		remainder -= lsize;
-		cluster = exfat_next_cluster(ef, node, cluster);
-	}
-	if (!(node->attrib & EXFAT_ATTRIB_DIR))
-		/* directory's mtime should be updated by the caller only when it
-		   creates or removes something in this directory */
-		exfat_update_mtime(node);
-	return size - remainder;
-}
diff --git a/libexfat/node.c b/libexfat/node.c
index a500524a..f71aa5b0 100644
--- a/libexfat/node.c
+++ b/libexfat/node.c
@@ -1238,3 +1238,112 @@ int exfat_set_label(struct exfat* ef, const char* label)
 	strcpy(ef->label, label);
 	return 0;
 }
+
+ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node,
+		void* buffer, size_t size, off_t offset)
+{
+	uint64_t newsize = offset;
+	cluster_t cluster;
+	char* bufp = buffer;
+	off_t lsize, loffset, remainder;
+
+	if (offset < 0)
+		return -EINVAL;
+	if (newsize >= node->size)
+		return 0;
+	if (size == 0)
+		return 0;
+
+	cluster = exfat_advance_cluster(ef, node, newsize / CLUSTER_SIZE(*ef->sb));
+	if (CLUSTER_INVALID(*ef->sb, cluster))
+	{
+		exfat_error("invalid cluster 0x%x while reading", cluster);
+		return -EIO;
+	}
+
+	loffset = newsize % CLUSTER_SIZE(*ef->sb);
+	remainder = MIN(size, node->size - newsize);
+	while (remainder > 0)
+	{
+		if (CLUSTER_INVALID(*ef->sb, cluster))
+		{
+			exfat_error("invalid cluster 0x%x while reading", cluster);
+			return -EIO;
+		}
+		lsize = MIN(CLUSTER_SIZE(*ef->sb) - loffset, remainder);
+		if (exfat_pread(ef->dev, bufp, lsize,
+					exfat_c2o(ef, cluster) + loffset) < 0)
+		{
+			exfat_error("failed to read cluster %#x", cluster);
+			return -EIO;
+		}
+		bufp += lsize;
+		loffset = 0;
+		remainder -= lsize;
+		cluster = exfat_next_cluster(ef, node, cluster);
+	}
+	if (!(node->attrib & EXFAT_ATTRIB_DIR) && !ef->ro && !ef->noatime)
+		exfat_update_atime(node);
+	return MIN(size, node->size - newsize) - remainder;
+}
+
+ssize_t exfat_generic_pwrite(struct exfat* ef, struct exfat_node* node,
+		const void* buffer, size_t size, off_t offset)
+{
+	uint64_t newsize = offset;
+	int rc;
+	cluster_t cluster;
+	const char* bufp = buffer;
+	off_t lsize, loffset, remainder;
+
+	if (offset < 0)
+		return -EINVAL;
+	if (newsize > node->size)
+	{
+		rc = exfat_truncate(ef, node, newsize, true);
+		if (rc != 0)
+			return rc;
+	}
+	if (newsize + size > node->size)
+	{
+		rc = exfat_truncate(ef, node, newsize + size, false);
+		if (rc != 0)
+			return rc;
+	}
+	if (size == 0)
+		return 0;
+
+	cluster = exfat_advance_cluster(ef, node, newsize / CLUSTER_SIZE(*ef->sb));
+	if (CLUSTER_INVALID(*ef->sb, cluster))
+	{
+		exfat_error("invalid cluster 0x%x while writing", cluster);
+		return -EIO;
+	}
+
+	loffset = newsize % CLUSTER_SIZE(*ef->sb);
+	remainder = size;
+	while (remainder > 0)
+	{
+		if (CLUSTER_INVALID(*ef->sb, cluster))
+		{
+			exfat_error("invalid cluster 0x%x while writing", cluster);
+			return -EIO;
+		}
+		lsize = MIN(CLUSTER_SIZE(*ef->sb) - loffset, remainder);
+		if (exfat_pwrite(ef->dev, bufp, lsize,
+				exfat_c2o(ef, cluster) + loffset) < 0)
+		{
+			exfat_error("failed to write cluster %#x", cluster);
+			return -EIO;
+		}
+		bufp += lsize;
+		loffset = 0;
+		remainder -= lsize;
+		cluster = exfat_next_cluster(ef, node, cluster);
+	}
+	if (!(node->attrib & EXFAT_ATTRIB_DIR))
+		/* directory's mtime should be updated by the caller only when it
+		   creates or removes something in this directory */
+		exfat_update_mtime(node);
+	return size - remainder;
+}