X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=blobdiff_plain;f=src%2Ffilesys%2Ffile.h;h=dc05332f8b3b007d49b99214f20cfa819c3a0d20;hp=c28201d9b8b82022faf1e80671b5d366b01ec219;hb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;hpb=5780c9f434cca090f88463b7f0199d49b4ded288

diff --git a/src/filesys/file.h b/src/filesys/file.h
index c28201d..dc05332 100644
--- a/src/filesys/file.h
+++ b/src/filesys/file.h
@@ -1,19 +1,28 @@
 #ifndef FILESYS_FILE_H
 #define FILESYS_FILE_H
 
-#include <stddef.h>
-#include "devices/disk.h"
 #include "filesys/off_t.h"
 
-struct file *file_open (disk_sector_t);
+struct inode;
+
+/* Opening and closing files. */
+struct file *file_open (struct inode *);
+struct file *file_reopen (struct file *);
 void file_close (struct file *);
+
+/* Reading and writing. */
 off_t file_read (struct file *, void *, off_t);
 off_t file_read_at (struct file *, void *, off_t size, off_t start);
 off_t file_write (struct file *, const void *, off_t);
 off_t file_write_at (struct file *, const void *, off_t size, off_t start);
-off_t file_length (struct file *);
+
+/* Preventing writes. */
+void file_deny_write (struct file *);
+void file_allow_write (struct file *);
+
+/* File position. */
 void file_seek (struct file *, off_t);
 off_t file_tell (struct file *);
-void file_remove (struct file *);
+off_t file_length (struct file *);
 
 #endif /* filesys/file.h */