forked from Minki/linux
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: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
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@ -465,10 +465,11 @@ static void nvme_free_ns(struct kref *kref)
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kfree(ns);
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}
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static void nvme_put_ns(struct nvme_ns *ns)
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void nvme_put_ns(struct nvme_ns *ns)
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{
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kref_put(&ns->kref, nvme_free_ns);
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}
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EXPORT_SYMBOL_NS_GPL(nvme_put_ns, NVME_TARGET_PASSTHRU);
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static inline void nvme_clear_nvme_request(struct request *req)
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{
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@ -3827,7 +3828,7 @@ static int ns_cmp(void *priv, struct list_head *a, struct list_head *b)
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return nsa->head->ns_id - nsb->head->ns_id;
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}
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static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
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struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
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{
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struct nvme_ns *ns, *ret = NULL;
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@ -3845,6 +3846,7 @@ static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
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up_read(&ctrl->namespaces_rwsem);
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return ret;
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}
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EXPORT_SYMBOL_NS_GPL(nvme_find_get_ns, NVME_TARGET_PASSTHRU);
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static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
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{
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@ -794,5 +794,7 @@ u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
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u8 opcode);
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void nvme_execute_passthru_rq(struct request *rq);
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struct nvme_ctrl *nvme_ctrl_get_by_path(const char *path);
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struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid);
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void nvme_put_ns(struct nvme_ns *ns);
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#endif /* _NVME_H */
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