On Fri, Feb 20, 2009 at 14:12, Sitsofe Wheeler [off-list ref] wrote:

On Fri, Feb 20, 2009 at 12:16:42PM +0100, Kay Sievers wrote:

quoted

Udev can write to the attribute itself. This should be all you need:
  SUSBSYTEM=="block", ATTRS{model}=="ASUS-PHISON *", ATTR{queue/rotational}="1"

I tried
SUBSYSTEM=="block", ATTRS{model}=="ASUS-PHISON *", ATTR{queue/rotational}="0"
but udevtest /sys/block/sda/ doesn't list it as firing (udev 117-8)...

I does here:
  udev_rules_apply_to_event: ATTR '/sys/devices/ ...
/sdb/queue/rotational' writing '0'

  $grep . /sys/class/block/*/queue/rotational
  /sys/class/block/sda/queue/rotational:1
  /sys/class/block/sdb/queue/rotational:0

Maybe "udevtest" is not showing it for you, or udev 117 is too old and
does not work that way.

Thanks,
Kay