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SubjectRe: [PATCH 0/11] Per-bdi writeback flusher threads v9
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On Thu, 2009-05-28 at 17:19 +0300, Artem Bityutskiy wrote:
> Artem Bityutskiy wrote:
> > question is - should it? 'bdi_register()' a block device,
> > but we do not have one.
>
> Sorry, wanted to say: 'bdi_register()' registers a block
> device.

BDI stands for backing device info and is not related to block devices
other than that block devices can also be (ok, always are) backing
devices.

If you want to do writeback, you need a backing device to write to. The
BDI is the device abstraction for writeback.





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