Commit 24493b8b authored by Logan Gunthorpe's avatar Logan Gunthorpe Committed by Christoph Hellwig
Browse files

nvme: export nvme_find_get_ns() and nvme_put_ns() 



nvme_find_get_ns() and nvme_put_ns() are required by the target passthru
code and are exported under the NVME_TARGET_PASSTHRU namespace.

Based-on-a-patch-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: default avatarLogan Gunthorpe <logang@deltatee.com>
Reviewed-by: default avatarKeith Busch <kbusch@kernel.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent f783f444

drivers/nvme/host/core.c

+4 −2
Original line number Diff line number Diff line
@@ -465,10 +465,11 @@ static void nvme_free_ns(struct kref *kref) 
	kfree(ns);

}



static void nvme_put_ns(struct nvme_ns *ns)

void nvme_put_ns(struct nvme_ns *ns)

{

	kref_put(&ns->kref, nvme_free_ns);

}

EXPORT_SYMBOL_NS_GPL(nvme_put_ns, NVME_TARGET_PASSTHRU);



static inline void nvme_clear_nvme_request(struct request *req)

{
@@ -3827,7 +3828,7 @@ static int ns_cmp(void *priv, struct list_head *a, struct list_head *b) 
	return nsa->head->ns_id - nsb->head->ns_id;

}



static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)

struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)

{

	struct nvme_ns *ns, *ret = NULL;
@@ -3845,6 +3846,7 @@ static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) 
	up_read(&ctrl->namespaces_rwsem);

	return ret;

}

EXPORT_SYMBOL_NS_GPL(nvme_find_get_ns, NVME_TARGET_PASSTHRU);



static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)

{

drivers/nvme/host/nvme.h

+2 −0
Original line number Diff line number Diff line
@@ -794,5 +794,7 @@ u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns, 
			 u8 opcode);

void nvme_execute_passthru_rq(struct request *rq);

struct nvme_ctrl *nvme_ctrl_get_by_path(const char *path);

struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid);

void nvme_put_ns(struct nvme_ns *ns);



#endif /* _NVME_H */

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