On Mon, Jan 2, 2017 at 12:55 PM, Bart Van Assche <Bart.VanAssche@xxxxxxxxxxx> wrote: > On Thu, 2016-12-29 at 00:59 +0100, Linus Walleij wrote: >> A problem here is that issueing the requests are in blocking context >> while completion is in IRQ context (for most drivers) so we need to >> look into this. > > Hello Linus, > > Although I'm not sure whether I understood you correctly: are you familiar > with the request queue flag BLK_MQ_F_BLOCKING, a flag that was introduced > for the nbd driver? BLK_MQ_F_BLOCKING is what the patch set is currently using... The problem I have is that request need to be *issued* in blocking context and *completed* in fastpath/IRQ context. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
