On Sat, Feb 07, 2015 at 09:27:05PM -0500, Laurence Oberman wrote: > Hello > Its not going to be tens of thousands of devices. That count was an > aggregate based on 1000's of servers. > In reality its unlikely to ever be more than 100 tapes drives per > individual Linux kernel instance. > Therefore sysfs will be the valid way to do this and make the data > available to user space. Even if it is only 2 tape drives, again, what's wrong with using the existing i/o statistic interfaces that all block devices have? Don't go making special one-off interfaces for one type of device if at all possible. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html