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Commit 8a3c95ab authored by Javier González's avatar Javier González Committed by Jens Axboe
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lightnvm: do not protect block 0 



Device blocks should be marked by the device and considered as bad
blocks by the media manager. Thus, do not make assumptions on which
blocks are going to be used by the device. In doing so we might lose
valid blocks from the free list.

Signed-off-by: default avatarJavier González <javier@cnexlabs.com>
Signed-off-by: default avatarMatias Bjørling <m@bjorling.me>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent bb314979

drivers/lightnvm/gennvm.c

+0 −6
Original line number Diff line number Diff line
@@ -371,12 +371,6 @@ static int gen_blocks_init(struct nvm_dev *dev, struct gen_dev *gn) 
			block->lun = &lun->vlun;

			block->id = cur_block_id++;



			/* First block is reserved for device */

			if (unlikely(lun_iter == 0 && blk_iter == 0)) {

				lun->vlun.nr_free_blocks--;

				continue;

			}



			list_add_tail(&block->list, &lun->free_list);

		}