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Commit 9f2482b9 authored by Ming Lin's avatar Ming Lin Committed by Jens Axboe
Browse files

nvme: split dev_list_lock 



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

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: default avatarSagi Grimberg <sagig@mellanox.com>
Signed-off-by: default avatarMing Lin <ming.l@ssi.samsung.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent ba0ba7d3

drivers/nvme/host/core.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/nvme/host/nvme.h

+0 −2
Original line number Diff line number Diff line
@@ -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);

drivers/nvme/host/pci.c

+1 −0
Original line number Diff line number Diff line
@@ -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;