Re: [PATCH] [2.5] Non-blocking write can block

[Linus Torvalds]

On Wed, 4 Jun 2003, P. Benie wrote:
> 
> The problem isn't to do with large writes. It's to do with any sequence of
> writes that fills up the receive buffer, which is only 4K for N_TTY. If
> the receiving program is suspended, the buffer will fill sooner or later.

Well, even then we could just drop the "write_atomic" lock. 

The thing is, I don't know what the tty atomicity guarantees are. I know 
what they are for pipes (quite reasonable), but tty's? 

		Linus