lightnvm: make nvm_set_rqd_ppalist() aware of vblks

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A virtual block enables a block to identify multiple physical blocks.
This is useful for metadata where a device media supports multiple
planes. In that case, a block, with multiple planes can be managed
as a single vblk. Reducing the metadata required by one forth.

nvm_set_rqd_ppalist() takes care of expanding a ppa_list with vblks
automatically. However, for some use-cases, where only a single physical
block is required, the ppa_list should not be expanded.

Therefore, add a vblk parameter to nvm_set_rqd_ppalist(), and only
expand the ppa_list if vblk is set.

Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Matias Bjørling 2016-05-06 20:03:07 +02:00 • committed by Jens Axboe

parent 6659d4d80c

commit 5ebc7d9fe1

3 changed files with 19 additions and 16 deletions

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include/linux/lightnvm.h

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