Re: [PATCH] nbd.c:sock_xmit: cleanup signal related code

From: Oleg Nesterov
Date: Thu Jun 14 2007 - 16:11:33 EST

On 06/14, Paul Clements wrote:
> Oleg Nesterov wrote:
> >Note: I can't understand this dequeue_signal(), it can dequeue SIGKILL
> >for the user-space task doing nbd_ioctl() ?
> So we can interrupt an nbd transmission without waiting for a TCP
> timeout (when we know the network is down).

Yes, but that task should not survive after SIGKILL ? Note that SIGNAL_GROUP_EXIT
is set, this is not good.


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