linux-imx

/*

 *   Copyright (C) International Business Machines Corp., 2000-2002

 *   Portions Copyright (C) Christoph Hellwig, 2001-2002

 *

 *   This program is free software;  you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation; either version 2 of the License, or

 *   (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY;  without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See

 *   the GNU General Public License for more details.

 *

 *   You should have received a copy of the GNU General Public License

 *   along with this program;  if not, write to the Free Software

 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

​

#include <linux/mm.h>

#include <linux/fs.h>

#include <linux/posix_acl.h>

#include <linux/quotaops.h>

#include "jfs_incore.h"

#include "jfs_inode.h"

#include "jfs_dmap.h"

#include "jfs_txnmgr.h"

#include "jfs_xattr.h"

#include "jfs_acl.h"

#include "jfs_debug.h"

​

int jfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)

{

    struct inode *inode = file->f_mapping->host;

    int rc = 0;

​

    rc = file_write_and_wait_range(file, start, end);

    if (rc)

        return rc;

​

    inode_lock(inode);

    if (!(inode->i_state & I_DIRTY_ALL) ||

        (datasync && !(inode->i_state & I_DIRTY_DATASYNC))) {

        /* Make sure committed changes hit the disk */

        jfs_flush_journal(JFS_SBI(inode->i_sb)->log, 1);

        inode_unlock(inode);

        return rc;

    }

​

    rc |= jfs_commit_inode(inode, 1);

    inode_unlock(inode);

​

    return rc ? -EIO : 0;

}

​

static int jfs_open(struct inode *inode, struct file *file)

{

    int rc;

​

    if ((rc = dquot_file_open(inode, file)))

        return rc;

​

    /*