commit4c3c09439c
upstream. Like commit7ba89d2af1
for recv/recvmsg, support MSG_WAITALL for the send side. If this flag is set and we do a short send, retry for a stream of seqpacket socket. Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.org>