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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 <[email protected]>
Signed-off-by: Matias Bjørling <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Matias Bjørling 2015-12-06 11:25:48 +01:00 • committed by Jens Axboe
commit 16f26c3aa9
6 changed files with 33 additions and 31 deletions
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9
drivers/block/null_blk.c
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@ -444,8 +444,9 @@ static void null_lnvm_end_io(struct request *rq, int error)
blk_put_request(rq);
}
static int null_lnvm_submit_io(struct request_queue *q, struct nvm_rq *rqd)
static int null_lnvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
{
struct request_queue *q = dev->q;
struct request *rq;
struct bio *bio = rqd->bio;
@ -470,7 +471,7 @@ static int null_lnvm_submit_io(struct request_queue *q, struct nvm_rq *rqd)
return 0;
}
static int null_lnvm_id(struct request_queue *q, struct nvm_id *id)
static int null_lnvm_id(struct nvm_dev *dev, struct nvm_id *id)
{
sector_t size = gb * 1024 * 1024 * 1024ULL;
sector_t blksize;
@ -523,7 +524,7 @@ static int null_lnvm_id(struct request_queue *q, struct nvm_id *id)
return 0;
}
static void *null_lnvm_create_dma_pool(struct request_queue *q, char *name)
static void *null_lnvm_create_dma_pool(struct nvm_dev *dev, char *name)
{
mempool_t *virtmem_pool;
@ -541,7 +542,7 @@ static void null_lnvm_destroy_dma_pool(void *pool)
mempool_destroy(pool);
}
static void *null_lnvm_dev_dma_alloc(struct request_queue *q, void *pool,
static void *null_lnvm_dev_dma_alloc(struct nvm_dev *dev, void *pool,
gfp_t mem_flags, dma_addr_t *dma_handler)
{
return mempool_alloc(pool, mem_flags);