On Fri, Feb 20, 2009 at 15:27, Sitsofe Wheeler <sitsofe@xxxxxxxxx> wrote: > On Fri, Feb 20, 2009 at 02:23:38PM +0100, Kay Sievers wrote: >> On Fri, Feb 20, 2009 at 14:12, Sitsofe Wheeler <sitsofe@xxxxxxxxx> wrote: >> > >> > 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. > > After you mentioned this I tried again and seemingly I was mistaken - it > does work as you described. Great. > I had to make a slight rule tweak to stop > it matching on partitions though: > > SUBSYSTEM=="block", KERNEL=="[sh]d[a-z]", ATTRS{model}=="ASUS-PHISON *", ATTR{queue/rotational}="0" Newer kernels have DEVTYPE in the envent environment, and: ENV{DEVTYPE}=="disk" can be used, which is easier and more reliable. Also the whitespace after "...PHISON *" does not need to be matched. If the match value does not end in whitespace itself, udev will match against the value with all trailing whitespace ignored. Kay -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html