68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
|
|
* linux/fs/ufs/file.c
|
|
*
|
|
* Copyright (C) 1998
|
|
* Daniel Pirkl <daniel.pirkl@email.cz>
|
|
* Charles University, Faculty of Mathematics and Physics
|
|
*
|
|
* from
|
|
*
|
|
* linux/fs/ext2/file.c
|
|
*
|
|
* Copyright (C) 1992, 1993, 1994, 1995
|
|
* Remy Card (card@masi.ibp.fr)
|
|
* Laboratoire MASI - Institut Blaise Pascal
|
|
* Universite Pierre et Marie Curie (Paris VI)
|
|
*
|
|
* from
|
|
*
|
|
* linux/fs/minix/file.c
|
|
*
|
|
* Copyright (C) 1991, 1992 Linus Torvalds
|
|
*
|
|
* ext2 fs regular file handling primitives
|
|
*/
|
|
|
|
#include <linux/fs.h>
|
|
#include <linux/buffer_head.h> /* for sync_mapping_buffers() */
|
|
|
|
#include "ufs_fs.h"
|
|
#include "ufs.h"
|
|
|
|
|
|
int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync)
|
|
{
|
|
struct inode *inode = dentry->d_inode;
|
|
int err;
|
|
int ret;
|
|
|
|
ret = sync_mapping_buffers(inode->i_mapping);
|
|
if (!(inode->i_state & I_DIRTY))
|
|
return ret;
|
|
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
|
|
return ret;
|
|
|
|
err = ufs_sync_inode(inode);
|
|
if (ret == 0)
|
|
ret = err;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* We have mostly NULL's here: the current defaults are ok for
|
|
* the ufs filesystem.
|
|
*/
|
|
|
|
const struct file_operations ufs_file_operations = {
|
|
.llseek = generic_file_llseek,
|
|
.read = do_sync_read,
|
|
.aio_read = generic_file_aio_read,
|
|
.write = do_sync_write,
|
|
.aio_write = generic_file_aio_write,
|
|
.mmap = generic_file_mmap,
|
|
.open = generic_file_open,
|
|
.fsync = ufs_sync_file,
|
|
.splice_read = generic_file_splice_read,
|
|
};
|