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/*

 *  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/ufs_fs.h>

#include <linux/buffer_head.h>  /* for sync_mapping_buffers() */

#include "ufs.h"

static 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,

};