1 files changed, 25 insertions, 0 deletions
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index c8fe58406a07..8a2f8b240f25 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -28,6 +28,7 @@
 #include "segment.h"
 #include "page.h"
 #include "mdt.h"
+#include "alloc.h"		/* nilfs_palloc_destroy_cache() */
 
 #include <trace/events/nilfs2.h>
 
@@ -465,6 +466,30 @@ int nilfs_mdt_init(struct inode *inode, gfp_t gfp_mask, size_t objsz)
 	return 0;
 }
 
+/**
+ * nilfs_mdt_clear - do cleanup for the metadata file
+ * @inode: inode of the metadata file
+ */
+void nilfs_mdt_clear(struct inode *inode)
+{
+	struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
+
+	if (mdi->mi_palloc_cache)
+		nilfs_palloc_destroy_cache(inode);
+}
+
+/**
+ * nilfs_mdt_destroy - release resources used by the metadata file
+ * @inode: inode of the metadata file
+ */
+void nilfs_mdt_destroy(struct inode *inode)
+{
+	struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
+
+	kfree(mdi->mi_bgl); /* kfree(NULL) is safe */
+	kfree(mdi);
+}
+
 void nilfs_mdt_set_entry_size(struct inode *inode, unsigned entry_size,
 			      unsigned header_size)
 {