Re: [RFC] implementing tape statistics single file vs multi-file in sysfs

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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
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