forked from luck/tmp_suning_uos_patched
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
|
/*
|
||
|
* fsync.c
|
||
|
*
|
||
|
* PURPOSE
|
||
|
* Fsync handling routines for the OSTA-UDF(tm) filesystem.
|
||
|
*
|
||
|
* COPYRIGHT
|
||
|
* This file is distributed under the terms of the GNU General Public
|
||
|
* License (GPL). Copies of the GPL can be obtained from:
|
||
|
* ftp://prep.ai.mit.edu/pub/gnu/GPL
|
||
|
* Each contributing author retains all rights to their own work.
|
||
|
*
|
||
|
* (C) 1999-2001 Ben Fennema
|
||
|
* (C) 1999-2000 Stelias Computing Inc
|
||
|
*
|
||
|
* HISTORY
|
||
|
*
|
||
|
* 05/22/99 blf Created.
|
||
|
*/
|
||
|
|
||
|
#include "udfdecl.h"
|
||
|
|
||
|
#include <linux/fs.h>
|
||
|
#include <linux/smp_lock.h>
|
||
|
|
||
|
static int udf_fsync_inode(struct inode *, int);
|
||
|
|
||
|
/*
|
||
|
* File may be NULL when we are called. Perhaps we shouldn't
|
||
|
* even pass file to fsync ?
|
||
|
*/
|
||
|
|
||
|
int udf_fsync_file(struct file * file, struct dentry *dentry, int datasync)
|
||
|
{
|
||
|
struct inode *inode = dentry->d_inode;
|
||
|
return udf_fsync_inode(inode, datasync);
|
||
|
}
|
||
|
|
||
|
static int udf_fsync_inode(struct inode *inode, int datasync)
|
||
|
{
|
||
|
int err;
|
||
|
|
||
|
err = sync_mapping_buffers(inode->i_mapping);
|
||
|
if (!(inode->i_state & I_DIRTY))
|
||
|
return err;
|
||
|
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
|
||
|
return err;
|
||
|
|
||
|
err |= udf_sync_inode (inode);
|
||
|
return err ? -EIO : 0;
|
||
|
}
|