linux-kernel - Re: Question about TTY_DO_WRITE

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Message-ID: <20081120165839.49169a79@lxorguk.ukuu.org.uk>
Date:	Thu, 20 Nov 2008 16:58:39 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Thomas Pfaff <tpfaff@....com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Question about TTY_DO_WRITE_WAKEUP

A quick further look suggests you need to add

	if (tty->fasync && (b - buf) != nr)
		set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);

at the bottom of n_tty_write just before the return statement.

Alan
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