linux-kernel - [PATCH v2 13/15] nvmet-fc: inline nvmet_fc_free

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Message-Id: <20250311-nvmet-fcloop-v2-13-fc40cb64edea@kernel.org>
Date: Tue, 11 Mar 2025 11:11:39 +0100
From: Daniel Wagner <wagi@...nel.org>
To: James Smart <james.smart@...adcom.com>, Christoph Hellwig <hch@....de>, 
 Sagi Grimberg <sagi@...mberg.me>, Chaitanya Kulkarni <kch@...dia.com>
Cc: Hannes Reinecke <hare@...e.de>, Keith Busch <kbusch@...nel.org>, 
 linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Daniel Wagner <wagi@...nel.org>
Subject: [PATCH v2 13/15] nvmet-fc: inline nvmet_fc_free_hostport

No need for this tiny helper with only one user, let's inline it.

And since the hostport ref counter needs to stay in sync, it's not
optional anymore to give back the reference.

Reviewed-by: Hannes Reinecke <hare@...e.de>
Signed-off-by: Daniel Wagner <wagi@...nel.org>
---
 drivers/nvme/target/fc.c | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 7ff6f065fccb3f772b785e393c122e45d624c802..d8c7efa6b6937aa9f5b99735f6669da973bf9ed3 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1009,16 +1009,6 @@ nvmet_fc_hostport_get(struct nvmet_fc_hostport *hostport)
 	return kref_get_unless_zero(&hostport->ref);
 }
 
-static void
-nvmet_fc_free_hostport(struct nvmet_fc_hostport *hostport)
-{
-	/* if LLDD not implemented, leave as NULL */
-	if (!hostport || !hostport->hosthandle)
-		return;
-
-	nvmet_fc_hostport_put(hostport);
-}
-
 static struct nvmet_fc_hostport *
 nvmet_fc_match_hostport(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
 {
@@ -1193,7 +1183,7 @@ nvmet_fc_target_assoc_free(struct kref *ref)
 	/* Send Disconnect now that all i/o has completed */
 	nvmet_fc_xmt_disconnect_assoc(assoc);
 
-	nvmet_fc_free_hostport(assoc->hostport);
+	nvmet_fc_hostport_put(assoc->hostport);
 	spin_lock_irqsave(&tgtport->lock, flags);
 	oldls = assoc->rcv_disconn;
 	spin_unlock_irqrestore(&tgtport->lock, flags);
@@ -1460,11 +1450,6 @@ nvmet_fc_free_tgtport(struct kref *ref)
 	struct nvmet_fc_tgtport *tgtport =
 		container_of(ref, struct nvmet_fc_tgtport, ref);
 	struct device *dev = tgtport->dev;
-	unsigned long flags;
-
-	spin_lock_irqsave(&nvmet_fc_tgtlock, flags);
-	list_del(&tgtport->tgt_list);
-	spin_unlock_irqrestore(&nvmet_fc_tgtlock, flags);
 
 	nvmet_fc_free_ls_iodlist(tgtport);
 
@@ -1656,6 +1641,11 @@ int
 nvmet_fc_unregister_targetport(struct nvmet_fc_target_port *target_port)
 {
 	struct nvmet_fc_tgtport *tgtport = targetport_to_tgtport(target_port);
+	unsigned long flags;
+
+	spin_lock_irqsave(&nvmet_fc_tgtlock, flags);
+	list_del(&tgtport->tgt_list);
+	spin_unlock_irqrestore(&nvmet_fc_tgtlock, flags);
 
 	nvmet_fc_portentry_unbind_tgt(tgtport);
 

-- 
2.48.1