This is just me stupidly copying loop.c, already found out it doesn't
work. Please ignore.
> When does dm even have to touch the data in the bio?
Tell me; if I'm splitting a bio using bio_clone, and then map the bio
to a driver that calls blk_queue_bounce. How can I avoid the
BUG_ON((*bio_orig)->bi_idx);
triggering ? Or is bio_clone not to be used anymore ?
- Joe
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