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/*

 *  linux/fs/minix/file.c

 *

 *  Copyright (C) 1991, 1992 Linus Torvalds

 *

 *  minix regular file handling primitives

 */

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

#include "minix.h"

/*

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

 * the minix filesystem.

 */

int minix_sync_file(struct file *, struct dentry *, int);

const struct file_operations minix_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,

        .fsync          = minix_sync_file,

        .splice_read    = generic_file_splice_read,

};

const struct inode_operations minix_file_inode_operations = {

        .truncate       = minix_truncate,

        .getattr        = minix_getattr,

};

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

{

        struct inode *inode = dentry->d_inode;

        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 |= minix_sync_inode(inode);

        return err ? -EIO : 0;

}