On Tue, 31 May 2016, Michael Schaller wrote: > Is there anything else I can do to debug this issue further? > Are there any quirks I could try? > > On Wed, May 18, 2016 at 3:41 PM, Michael Schaller <mi...@google.com> wrote: > > [1.] One line summary of the problem: > > Slow writes with dd on Lexar JumpDrive P20 64GB flash drives connected > > via Intel USB 3.0 host controllers.
Did you ever try increasing the max_sectors_kb value? /sys/block/sdb/queue/max_sectors_kb will be set to 120 by default, but for a USB-3 device you should be able to increase it up to 1024. That might give a considerable speedup. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
