X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Ffilesys%2Ffile.h;h=a33c5af49f7c9c29142b234290e7c1969b9f54cb;hb=ab1373d2af34ff0a0b352162cf5a3115c70e3732;hp=c28201d9b8b82022faf1e80671b5d366b01ec219;hpb=993c1d9f4452e2edd851f3175dfdf317f18bdb9f;p=pintos-anon diff --git a/src/filesys/file.h b/src/filesys/file.h index c28201d..a33c5af 100644 --- a/src/filesys/file.h +++ b/src/filesys/file.h @@ -1,19 +1,29 @@ #ifndef FILESYS_FILE_H #define FILESYS_FILE_H -#include -#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 *); +struct inode *file_get_inode (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 */