netdev - [PATCH net-next 3/4] devlink: Add comment for devlink instance lock

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Message-Id: <20200721165354.5244-4-parav@mellanox.com>
Date:   Tue, 21 Jul 2020 19:53:53 +0300
From:   Parav Pandit <parav@...lanox.com>
To:     netdev@...r.kernel.org, kuba@...nel.org, davem@...emloft.net
Cc:     jiri@...lanox.com, Parav Pandit <parav@...lanox.com>
Subject: [PATCH net-next 3/4] devlink: Add comment for devlink instance lock

Add comment to describe the purpose of devlink instance lock.

Signed-off-by: Parav Pandit <parav@...lanox.com>
Reviewed-by: Jiri Pirko <jiri@...lanox.com>
---
 include/net/devlink.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/net/devlink.h b/include/net/devlink.h
index 913e8679ae35..19d990c8edcc 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -40,7 +40,9 @@ struct devlink {
 	struct xarray snapshot_ids;
 	struct device *dev;
 	possible_net_t _net;
-	struct mutex lock;
+	struct mutex lock; /* Serializes access to devlink instance specific objects such as
+			    * port, sb, dpipe, resource, params, region, traps and more.
+			    */
 	u8 reload_failed:1,
 	   reload_enabled:1,
 	   registered:1;
-- 
2.25.4