linux-kernel - [PATCH 2/2] libnvdimm: Remove unused nd_attach

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Message-ID: <20250220004538.84585-3-linux@treblig.org>
Date: Thu, 20 Feb 2025 00:45:38 +0000
From: linux@...blig.org
To: dan.j.williams@...el.com,
	vishal.l.verma@...el.com,
	dave.jiang@...el.com,
	ira.weiny@...el.com
Cc: nvdimm@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH 2/2] libnvdimm: Remove unused nd_attach_ndns

From: "Dr. David Alan Gilbert" <linux@...blig.org>

nd_attach_ndns() hasn't been used since 2017's
commit 452bae0aede7 ("libnvdimm: fix nvdimm_bus_lock() vs device_lock()
ordering")

Remove it.

Note the __ version is still used and has been left.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 drivers/nvdimm/claim.c   | 11 -----------
 drivers/nvdimm/nd-core.h |  2 --
 2 files changed, 13 deletions(-)

diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 9e84ab411564..51614651d2e7 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -56,17 +56,6 @@ bool __nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
 	return true;
 }
 
-bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
-		struct nd_namespace_common **_ndns)
-{
-	bool claimed;
-
-	nvdimm_bus_lock(&attach->dev);
-	claimed = __nd_attach_ndns(dev, attach, _ndns);
-	nvdimm_bus_unlock(&attach->dev);
-	return claimed;
-}
-
 static bool is_idle(struct device *dev, struct nd_namespace_common *ndns)
 {
 	struct nd_region *nd_region = to_nd_region(dev->parent);
diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h
index 2b37b7fc4fef..bfc6bfeb6e24 100644
--- a/drivers/nvdimm/nd-core.h
+++ b/drivers/nvdimm/nd-core.h
@@ -134,8 +134,6 @@ void get_ndd(struct nvdimm_drvdata *ndd);
 resource_size_t __nvdimm_namespace_capacity(struct nd_namespace_common *ndns);
 void nd_detach_ndns(struct device *dev, struct nd_namespace_common **_ndns);
 void __nd_detach_ndns(struct device *dev, struct nd_namespace_common **_ndns);
-bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
-		struct nd_namespace_common **_ndns);
 bool __nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
 		struct nd_namespace_common **_ndns);
 ssize_t nd_namespace_store(struct device *dev,
-- 
2.48.1