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lightnvm: replace req queue with nvmdev for lld

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In the case where a request queue is passed to the low lever lightnvm
device drive integration, the device driver might pass its admin
commands through another queue. Instead pass nvm_dev, and let the
low level drive the appropriate queue.

Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Matias Bjørling
2015-12-06 11:25:48 +01:00
committed by Jens Axboe
parent 57b4bd06ff
commit 16f26c3aa9
6 changed files with 33 additions and 31 deletions
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14
include/linux/lightnvm.h
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@@ -183,17 +183,17 @@ struct nvm_block;
typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *);
typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *);
typedef int (nvm_id_fn)(struct request_queue *, struct nvm_id *);
typedef int (nvm_get_l2p_tbl_fn)(struct request_queue *, u64, u32,
typedef int (nvm_id_fn)(struct nvm_dev *, struct nvm_id *);
typedef int (nvm_get_l2p_tbl_fn)(struct nvm_dev *, u64, u32,
nvm_l2p_update_fn *, void *);
typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, int,
nvm_bb_update_fn *, void *);
typedef int (nvm_op_set_bb_fn)(struct request_queue *, struct nvm_rq *, int);
typedef int (nvm_submit_io_fn)(struct request_queue *, struct nvm_rq *);
typedef int (nvm_erase_blk_fn)(struct request_queue *, struct nvm_rq *);
typedef void *(nvm_create_dma_pool_fn)(struct request_queue *, char *);
typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct nvm_rq *, int);
typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *);
typedef int (nvm_erase_blk_fn)(struct nvm_dev *, struct nvm_rq *);
typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *);
typedef void (nvm_destroy_dma_pool_fn)(void *);
typedef void *(nvm_dev_dma_alloc_fn)(struct request_queue *, void *, gfp_t,
typedef void *(nvm_dev_dma_alloc_fn)(struct nvm_dev *, void *, gfp_t,
dma_addr_t *);
typedef void (nvm_dev_dma_free_fn)(void *, void*, dma_addr_t);