El día 8 de enero de 2011 18:26, Kay Sievers <kay.sievers@xxxxxxxx> escribió: > 2011/1/8 José Félix Ontañón <felixonta@xxxxxxxxx>: >> I wonder... are there any reasons for not being convenient to export >> some properties refering the volume size of a disk device? >> Although I'm concerned about the >> don't-turning-udev-into-a-hal-like-system, I still perceiving the >> volume.size or volume.block_size properties as very useful for user >> space apps. >> >> On the one hand, it could be easy for user space apps to get the >> size/blocks for partition devices, > > $ grep . /sys/class/block/*/size > /sys/class/block/sda1/size:41943040 > /sys/class/block/sda2/size:41943040 > /sys/class/block/sda3/size:115343360 > /sys/class/block/sda4/size:50835456 > /sys/class/block/sda/size:250069680 > /sys/class/block/sr0/size:2097151 > >> but on the other hand you need root >> privs to get this info for disk devices, am i wrong? > > Everybody can do that. > > Kay > Oh! Much better! Sorry for messing up. It seems the size file give us the number of sectors, isn't? In order to get the bytes of the disk/partition ... is it right to multiply /sys/block/<disk>/queue/logical_block_size times /sys/block/<disk>/size ?? Thanks! -- http://fontanon.org -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
