Hi Pavel,
> We don't even allow not plain data msg_control, which is disallowed in __sys_{send,revb}msg_sock().
Can't we better remove these checks and allow msg_control?
For me it's a limitation that I would like to be removed.
If there's a cost using IO_WQ_WORK_FS, would it be possible to use IO_WQ_WORK_FS only it msg_control is actually used?
if (msg->msg_control || msg->msg_controllen)
static const struct io_op_def sendmsg_control_op_def = {
...
};
something = &sendmsg_control_op_def;
}
metze
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