[Sorry for the duplicate message, it didn't reach the lists due to html formatting] Il giorno gio 7 nov 2019 alle ore 08:54 Damien Le Moal <Damien.LeMoal@xxxxxxx> ha scritto: > > On 2019/11/07 16:04, Andrea Vai wrote: > > Il giorno mer, 06/11/2019 alle 22.13 +0000, Damien Le Moal ha scritto: > >> > >> > >> Please simply try your write tests after doing this: > >> > >> echo mq-deadline > /sys/block/<name of your USB > >> disk>/queue/scheduler > >> > >> And confirm that mq-deadline is selected with: > >> > >> cat /sys/block/<name of your USB disk>/queue/scheduler > >> [mq-deadline] kyber bfq none > > > > ok, which kernel should I test with this: the fresh git cloned, or the > > one just patched with Alan's patch, or doesn't matter which one? > > Probably all of them to see if there are any differences. with both kernels, the output of cat /sys/block/sdh/queue/schedule already contains [mq-deadline]: is it correct to assume that the echo command and the subsequent testing is useless? What to do now? Thanks, and bye Andrea
