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devlink: Refactor devlink health reporter constructor

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Prepare a common routine in devlink_health_reporter_create() for usage
in similar functions for devlink port health reporters.

Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladyslav Tarasiuk 2020-07-10 15:25:07 +03:00 committed by David S. Miller
parent d6c7fc0c8c
commit c57544b3de
1 changed files with 28 additions and 17 deletions
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45
net/core/devlink.c
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@ -5321,6 +5321,31 @@ devlink_health_reporter_find_by_name(struct devlink *devlink,
return NULL; return NULL;
} }
static struct devlink_health_reporter *
__devlink_health_reporter_create(struct devlink *devlink,
const struct devlink_health_reporter_ops *ops,
u64 graceful_period, void *priv)
{
struct devlink_health_reporter *reporter;
if (WARN_ON(graceful_period && !ops->recover))
return ERR_PTR(-EINVAL);
reporter = kzalloc(sizeof(*reporter), GFP_KERNEL);
if (!reporter)
return ERR_PTR(-ENOMEM);
reporter->priv = priv;
reporter->ops = ops;
reporter->devlink = devlink;
reporter->graceful_period = graceful_period;
reporter->auto_recover = !!ops->recover;
reporter->auto_dump = !!ops->dump;
mutex_init(&reporter->dump_lock);
refcount_set(&reporter->refcount, 1);
return reporter;
}
/** /**
* devlink_health_reporter_create - create devlink health reporter * devlink_health_reporter_create - create devlink health reporter
* *
@ -5342,25 +5367,11 @@ devlink_health_reporter_create(struct devlink *devlink,
goto unlock; goto unlock;
} }
if (WARN_ON(graceful_period && !ops->recover)) { reporter = __devlink_health_reporter_create(devlink, ops,
reporter = ERR_PTR(-EINVAL); graceful_period, priv);
if (IS_ERR(reporter))
goto unlock; goto unlock;
}
reporter = kzalloc(sizeof(*reporter), GFP_KERNEL);
if (!reporter) {
reporter = ERR_PTR(-ENOMEM);
goto unlock;
}
reporter->priv = priv;
reporter->ops = ops;
reporter->devlink = devlink;
reporter->graceful_period = graceful_period;
reporter->auto_recover = !!ops->recover;
reporter->auto_dump = !!ops->dump;
mutex_init(&reporter->dump_lock);
refcount_set(&reporter->refcount, 1);
list_add_tail(&reporter->list, &devlink->reporter_list); list_add_tail(&reporter->list, &devlink->reporter_list);
unlock: unlock:
mutex_unlock(&devlink->reporters_lock); mutex_unlock(&devlink->reporters_lock);