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/*

 *  linux/fs/sysv/file.c

 *

 *  minix/file.c

 *  Copyright (C) 1991, 1992  Linus Torvalds

 *

 *  coh/file.c

 *  Copyright (C) 1993  Pascal Haible, Bruno Haible

 *

 *  sysv/file.c

 *  Copyright (C) 1993  Bruno Haible

 *

 *  SystemV/Coherent regular file handling primitives

 */

#include <linux/fs.h>

#include <linux/sysv_fs.h>

/*

 * We have mostly NULLs here: the current defaults are OK for

 * the coh filesystem.

 */

struct file_operations sysv_file_operations = {

        llseek:         generic_file_llseek,

        read:           generic_file_read,

        write:          generic_file_write,

        mmap:           generic_file_mmap,

        fsync:          sysv_sync_file,

};

struct inode_operations sysv_file_inode_operations = {

        truncate:       sysv_truncate,

};

int sysv_sync_file(struct file * file, struct dentry *dentry, int datasync)

{

        struct inode *inode = dentry->d_inode;

        int err;

        err = fsync_inode_buffers(inode);

        err |= fsync_inode_data_buffers(inode);

        if (!(inode->i_state & I_DIRTY))

                return err;

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

                return err;

        err |= sysv_sync_inode(inode);

        return err ? -EIO : 0;

}