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SubjectRe: [PATCH][RFC] runtime selectable IO schedulers


Nick Piggin wrote:

Err, alloc _outside_ spinlock... make that
http://www.kerneltrap.org/~npiggin/elv-select.patch-030924-2

>
> Against test5-mm4. This is commented a bit better than the previous
> version I sent to Al and Jens.
>
> sysfs interface is /sys/block/*/queue/io_scheduler. Valid values are
> as, deadline, noop, cfq. Switching schedulers under disk load works fine
> in my tests. sysfs stuff seems to be working nicely and handles lingering
> userspace references properly.
>
> Review of the kobject / sysfs stuff would be especially helpful. Thanks.
>
>

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