Rewrite filesystem to support Unix "delete" semantics.

[pintos-anon] / src / filesys / filesys.h

diff --git a/src/filesys/filesys.h b/src/filesys/filesys.h
index 4f31b7c1ce96d7d72288c4d6b91d1b5850d6acad..010510147d6d61dc42f5e876b93bb7b93d412eb0 100644 (file)
--- a/src/filesys/filesys.h
+++ b/src/filesys/filesys.h
@@ -1,19 +1,23 @@
-#ifndef HEADER_FILESYS_H
-#define HEADER_FILESYS_H 1
+#ifndef FILESYS_FILESYS_H
+#define FILESYS_FILESYS_H
 
 #include <stdbool.h>
+#include "filesys/off_t.h"
 
-#ifndef OFF_T
-#define OFF_T
-typedef int32_t off_t;
-#endif
+/* Disk used for filesystem. */
+extern struct disk *filesys_disk;
+
+/* The free map file, opened by filesys_init() and never
+   closed. */
+extern struct file *free_map_file;
 
-struct file;
 void filesys_init (bool format);
 bool filesys_create (const char *name, off_t initial_size);
+struct file *filesys_open (const char *name);
 bool filesys_remove (const char *name);
-void filesys_list (void);
+bool filesys_list (void);
+bool filesys_dump (void);
 
 void filesys_self_test (void);
 
-#endif /* filesys.h */
+#endif /* filesys/filesys.h */