fsync.c
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/*
* 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>
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;
}