On Thu, Jul 15, 2010 at 12:07:21PM +0300, Andy Shevchenko wrote: > MS Windows mounts removable storage in "Removal optimized mode" by > default. All the writes to the media are synchronous which is achieved > by setting FUA (Force Unit Access) bit in SCSI WRITE(10,12) commands. > This prevents I/O requests aggregation in block layer dramatically > decreasing performance. > > This patch brings an option to accept or ignore mentioned bit > a) via specifying module parameter "nofua", or > b) through sysfs entry > /sys/devices/platform/musb_hdrc/gadget/gadget-lun-N/nofua Any new sysfs entry needs a matching documentation entry in the Documentation/ABI/ directory. Care to resend these two patches, with that documentation change added as well? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html