Re: [PATCH 10/14] HPFS: Implement fsync for hpfs

[Christoph Hellwig]

On Sun, May 08, 2011 at 08:44:19PM +0200, Mikulas Patocka wrote:
> Index: linux-2.6.39-rc5-fast/fs/hpfs/file.c
> ===================================================================
> --- linux-2.6.39-rc5-fast.orig/fs/hpfs/file.c	2011-05-05 01:02:43.000000000 +0200
> +++ linux-2.6.39-rc5-fast/fs/hpfs/file.c	2011-05-05 01:02:56.000000000 +0200
> @@ -20,8 +20,8 @@ static int hpfs_file_release(struct inod
>  
>  int hpfs_file_fsync(struct file *file, int datasync)
>  {
> -	/*return file_fsync(file, datasync);*/
> -	return 0; /* Don't fsync :-) */
> +	struct inode *inode = file->f_mapping->host;
> +	return sync_blockdev(inode->i_sb->s_bdev);

So you push all dirty data into buffers immediately and don't have
anything else to write back?

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