--- Makefile.am | 1 + rules/60-ssd-scheduler.rules | 11 +++++++++++ 2 files changed, 12 insertions(+) Index: systemd/Makefile.am =================================================================== --- systemd.orig/Makefile.am +++ systemd/Makefile.am @@ -3576,6 +3576,7 @@ dist_udevrules_DATA += \ rules/60-persistent-input.rules \ rules/60-persistent-alsa.rules \ rules/60-persistent-storage.rules \ + rules/60-ssd-scheduler.rules \ rules/64-btrfs.rules \ rules/70-mouse.rules \ rules/70-touchpad.rules \ Index: systemd/rules/60-ssd-scheduler.rules =================================================================== --- /dev/null +++ systemd/rules/60-ssd-scheduler.rules @@ -0,0 +1,11 @@ +# do not edit this file, it will be overwritten on update + +ACTION!="add", GOTO="ssd_scheduler_end" +SUBSYSTEM!="block", GOTO="ssd_scheduler_end" + +IMPORT{cmdline}="elevator" +ENV{elevator}=="*?", GOTO="ssd_scheduler_end" + +KERNEL=="sd*[!0-9]", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="deadline" + +LABEL="ssd_scheduler_end"