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authorLogan Gunthorpe <logang@deltatee.com>2020-07-24 20:25:16 +0300
committerChristoph Hellwig <hch@lst.de>2020-07-29 08:45:21 +0300
commit24493b8b854a67234c5c142a7ea075e2174a3084 (patch)
treef9d70ce0174669209734ef52f7adc61a77c2f1ef /drivers/nvme
parentf783f444ceaa7eab043a7a5ae0e34c68743c0358 (diff)
downloadlinux-24493b8b854a67234c5c142a7ea075e2174a3084.tar.xz
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c6
-rw-r--r--drivers/nvme/host/nvme.h2
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index c44316c5018f..05aa568a60af 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -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)
{
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 5af59a9bac53..c5c1bac797aa 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -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 */