smb: prevent TIF_NOTIFY_SIGNAL from interrupting

smb blocks every signal during some sends:

	sigfillset(&mask);
	sigprocmask(SIG_BLOCK, &mask, &oldmask);

An incomplete or partial send would cause the connection to become out
of sync. That in turn would cause the session to be torn down and
reconnected.

In commit 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.

Link: https://patch.msgid.link/20260824-work-tif_notify_signal-v2-4-6609e42b3157@kernel.org
Acked-by: Paulo Alcantara <pc@manguebit.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>

0 files changed, 0 insertions, 0 deletions