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SubjectRe: [Patch 1/6] dm: endio method
Am Sa, den 21.02.2004 schrieb Mike Christie um 10:58:

> This is DM's cloned bio. Is there a guarantee that this value should be
> safe from lower level drivers overwriting it, or is it similar to b_rdev
> for buffer_heads?

The block layer is allowed to remap the device. This is done for
partitions, e.g. hda5 -> hda + sector number change

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