On Mon, Nov 04, 2019 at 01:45:11PM -0500, Alan Stern wrote: > On Mon, 4 Nov 2019, Daniel Walker wrote: > > > Hi, > > > > This is a stable defect report. > > > > We're tracking v4.9 stable for some of our products (i.e. Cisco Systems, Inc.) > > We noticed a speed degradation of roughly %30 on writes to a /dev/sdaX device > > over USB (no file system). We bisected the issue to this commit from Alan Stern. > > We also found a prior report of speed degradation on NTFS, > > > > https://lore.kernel.org/linux-usb/Pine.LNX.4.44L0.1908291030400.1306-100000@xxxxxxxxxxxxxxxxxxxx/T/ > > > > We have the patch reverted in our v4.9 tree on top of stable. It seems Alan was > > planning to remove these lines. If the lines are planned to be removed is there > > an reason why they haven't been ? > > See https://marc.info/?l=linux-usb&m=157167288816325&w=2 > Ok .. Thanks. Daniel
