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

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.

Oleg.

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    • From: Oleg Nesterov <[email protected]>
  • Re: [PATCH] nbd.c:sock_xmit: cleanup signal related code
    • From: Paul Clements <[email protected]>

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