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authorMing Lin <ming.l@ssi.samsung.com>2016-02-10 10:03:31 -0800
committerJens Axboe <axboe@fb.com>2016-02-10 14:22:36 -0700
commit9f2482b91bcd02ac2999cf04b3fb1b89e1c4d559 (patch)
tree1771a4ecb198bf63271f081f0a3332830e718e7e /drivers/nvme
parentba0ba7d3e5266111ec865b0bf1ad48dd0e2a2314 (diff)
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c2
-rw-r--r--drivers/nvme/host/nvme.h2
-rw-r--r--drivers/nvme/host/pci.c1
3 files changed, 2 insertions, 3 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0c0011b5e1b9..6eb42d24a5e9 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -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;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 9f77386f7d1e..63ba8a500ee1 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -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);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 53a99422d44d..54e79c035913 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -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;