Re: [PATCH] sendfile removal

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On Thu, 31 May 2007 12:33:16 +0200
Jens Axboe <[email protected]> wrote:

> Hi,
> 
> This patch removes the ->sendfile() hook from the file_operations
> structure, and replaces the sys_sendfile() mechanism to be based on
> ->splice_read() instead. There should be no functional changes.
> 
  
> -	retval = in_file->f_op->sendfile(in_file, ppos, count, file_send_actor, out_file);
> +	fl = 0;
> +	if (in_file->f_flags & O_NONBLOCK)
> +		fl = SPLICE_F_NONBLOCK;
> +
> +	retval = do_splice_direct(in_file, ppos, out_file, count, fl);

I like this, but are you sure it wont break user land ?

Some applications might react badly if sendfile() returns EAGAIN ?

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