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nvme: split dev_list_lock 

Split dev_list_lock into one in the core and one in the PCI driver.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Ming Lin 2016-02-10 10:03:31 -08:00 committed by Jens Axboe
parent ba0ba7d3e5
commit 9f2482b91b
3 changed files with 2 additions and 3 deletions
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2
drivers/nvme/host/core.c
View File

@ -52,7 +52,7 @@ static int nvme_char_major;
module_param(nvme_char_major, int, 0);
static LIST_HEAD(nvme_ctrl_list);
DEFINE_SPINLOCK(dev_list_lock);
static DEFINE_SPINLOCK(dev_list_lock);
static struct class *nvme_class;

2
drivers/nvme/host/nvme.h
View File

@ -266,8 +266,6 @@ int nvme_set_features(struct nvme_ctrl *dev, unsigned fid, unsigned dword11,
dma_addr_t dma_addr, u32 *result);
int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
extern spinlock_t dev_list_lock;
struct sg_io_hdr;
int nvme_sg_io(struct nvme_ns *ns, struct sg_io_hdr __user *u_hdr);

1
drivers/nvme/host/pci.c
View File

@ -65,6 +65,7 @@ module_param(use_cmb_sqes, bool, 0644);
MODULE_PARM_DESC(use_cmb_sqes, "use controller's memory buffer for I/O SQes");
static LIST_HEAD(dev_list);
static DEFINE_SPINLOCK(dev_list_lock);
static struct task_struct *nvme_thread;
static struct workqueue_struct *nvme_workq;
static wait_queue_head_t nvme_kthread_wait;