[PATCH net-next v2 3/7] devlink: Create generic devlink health reporter search function

From: Moshe Shemesh
Date: Thu Jul 02 2020 - 23:28:57 EST


From: Vladyslav Tarasiuk <vladyslavt@xxxxxxxxxxxx>

Add a generic __devlink_health_reporter_find_by_name() that can be used
with arbitrary devlink health reporter list.

Signed-off-by: Vladyslav Tarasiuk <vladyslavt@xxxxxxxxxxxx>
Reviewed-by: Moshe Shemesh <moshe@xxxxxxxxxxxx>
Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxxxx>
---
net/core/devlink.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index dcf8006..98e6911 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -5283,19 +5283,29 @@ struct devlink_health_reporter {
EXPORT_SYMBOL_GPL(devlink_health_reporter_priv);

static struct devlink_health_reporter *
-devlink_health_reporter_find_by_name(struct devlink *devlink,
- const char *reporter_name)
+__devlink_health_reporter_find_by_name(struct list_head *reporter_list,
+ struct mutex *list_lock,
+ const char *reporter_name)
{
struct devlink_health_reporter *reporter;

- lockdep_assert_held(&devlink->reporters_lock);
- list_for_each_entry(reporter, &devlink->reporter_list, list)
+ lockdep_assert_held(list_lock);
+ list_for_each_entry(reporter, reporter_list, list)
if (!strcmp(reporter->ops->name, reporter_name))
return reporter;
return NULL;
}

static struct devlink_health_reporter *
+devlink_health_reporter_find_by_name(struct devlink *devlink,
+ const char *reporter_name)
+{
+ return __devlink_health_reporter_find_by_name(&devlink->reporter_list,
+ &devlink->reporters_lock,
+ reporter_name);
+}
+
+static struct devlink_health_reporter *
__devlink_health_reporter_create(struct devlink *devlink,
const struct devlink_health_reporter_ops *ops,
u64 graceful_period, void *priv)
--
1.8.3.1