> Also, it has been suggested that the feature become more fully-fleshed,
> to support desktops with one disk spun down, etc. It's not really
> rocket science to do that - the `struct backing_dev_info' gives
> a specific communication channel between the high-level VFS code and
> the request queue. But that would require significantly more surgery
> against the writeback code, so I'm fishing for requirements here. If
> the current (simple) patch is sufficient then, well, it is sufficient.
Have per-disk laptop-mode, so that some user-mode proggy (e.g. hotplug)
could decide what to do.
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