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authorMatias Bjørling <m@bjorling.me>2015-12-06 11:25:48 +0100
committerJens Axboe <axboe@fb.com>2015-12-07 09:14:19 -0700
commit16f26c3aa9b9c36a9d1092ae3258461d1008481e (patch)
treefdfb366092d3727b6867aac782a6a09a042f85a3 /drivers/block
parent57b4bd06ff0372fe1e3617889c4b37fbd500364a (diff)
lightnvm: replace req queue with nvmdev for lld
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>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/null_blk.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 0c3940ec5e62..7981b7407305 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -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);