From: Daniel Wagner <wagi@kernel.org>
Date: Wed, 7 May 2025 12:23:06 +0000 (+0200)
Subject: nvmet-fcloop: don't wait for lport cleanup
X-Git-Tag: v6.16-rc1~216^2~15^2~15
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3466b7a6b713071190888526d3b9c58cda60b55f;p=thirdparty%2Flinux.git

nvmet-fcloop: don't wait for lport cleanup

The lifetime of the fcloop_lsreq is not tight to the lifetime of the
host or target port, thus there is no need anymore to synchronize the
cleanup path anymore.

Signed-off-by: Daniel Wagner <wagi@kernel.org>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index bac60c6de6cf1..257b497d515a8 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -207,7 +207,6 @@ static LIST_HEAD(fcloop_nports);
 struct fcloop_lport {
 	struct nvme_fc_local_port *localport;
 	struct list_head lport_list;
-	struct completion unreg_done;
 	refcount_t ref;
 };
 
@@ -1092,9 +1091,6 @@ fcloop_localport_delete(struct nvme_fc_local_port *localport)
 	struct fcloop_lport_priv *lport_priv = localport->private;
 	struct fcloop_lport *lport = lport_priv->lport;
 
-	/* release any threads waiting for the unreg to complete */
-	complete(&lport->unreg_done);
-
 	fcloop_lport_put(lport);
 }
 
@@ -1243,18 +1239,9 @@ out_free_lport:
 }
 
 static int
-__wait_localport_unreg(struct fcloop_lport *lport)
+__localport_unreg(struct fcloop_lport *lport)
 {
-	int ret;
-
-	init_completion(&lport->unreg_done);
-
-	ret = nvme_fc_unregister_localport(lport->localport);
-
-	if (!ret)
-		wait_for_completion(&lport->unreg_done);
-
-	return ret;
+	return nvme_fc_unregister_localport(lport->localport);
 }
 
 static struct fcloop_nport *
@@ -1337,7 +1324,7 @@ fcloop_delete_local_port(struct device *dev, struct device_attribute *attr,
 	if (!lport)
 		return -ENOENT;
 
-	ret = __wait_localport_unreg(lport);
+	ret = __localport_unreg(lport);
 	fcloop_lport_put(lport);
 
 	return ret ? ret : count;
@@ -1783,7 +1770,7 @@ static void __exit fcloop_exit(void)
 
 		spin_unlock_irqrestore(&fcloop_lock, flags);
 
-		ret = __wait_localport_unreg(lport);
+		ret = __localport_unreg(lport);
 		if (ret)
 			pr_warn("%s: Failed deleting local port\n", __func__);