> -----Original Message----- > From: Christoph Hellwig [mailto:hch@xxxxxxxxxxxxx] > Sent: Thursday, July 10, 2014 3:25 AM > To: KY Srinivasan > Cc: linux-kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; > ohering@xxxxxxxx; jbottomley@xxxxxxxxxxxxx; hch@xxxxxxxxxxxxx; > jasowang@xxxxxxxxxx; apw@xxxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx; > stable@xxxxxxxxxxxxxxx > Subject: Re: [PATCH V2 2/8] Drivers: scsi: storvsc: Set cmd_per_lun to reflect > value supported by the Host > > > - .cmd_per_lun = 1, > > + .cmd_per_lun = 255, > > .can_queue = > STORVSC_MAX_IO_REQUESTS*STORVSC_MAX_TARGETS, > > slave_configure immediately adjusts this down to > STORVSC_MAX_IO_REQUESTS (250), any reson to start out with the magic > 255 here? The number 255 (set for cmd_per_lun) is what the host can support (I recently discovered this in an MSDN document). STORVSC_MAX_IO_REQUESTS is an implementation limitation in this driver. Regards, K. Y -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html