Re: [PATCH 4/4] smb: prevent TIF_NOTIFY_SIGNAL from interrupting

Christian Brauner <[email protected]> writes:

> smb_send_kvec() blocks every signal during a send:
>
> 	sigfillset(&mask);
> 	sigprocmask(SIG_BLOCK, &mask, &oldmask);
>
> An incomplete or partial sent would cause the connection to become out
> of sync. That in turn would cause the session to be torn down and
> reconnected.
>
> In 00be6f26a2a7 ("smb: client: transport: avoid reconnects triggered
> by pending task work") smb hand-rolled its own solution. Have it use the
> new no_notify_signal_save() critical section instead.
>
> This stops io_uring from cancelling a send in flight but that's just
> like it is today and it is bounded by sk_sndtimeo at around 15s.
>
> Signed-off-by: Christian Brauner (Amutable) <[email protected]>

Acked-by: Paulo Alcantara <[email protected]>