linux-kernel - [PATCH v2] tracing: Update create_system

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Date:   Thu, 25 Mar 2021 16:19:10 +0000
From:   Qiujun Huang <hqjagain@...il.com>
To:     rostedt@...dmis.org, mingo@...hat.com, linux-kernel@...r.kernel.org
Cc:     Qiujun Huang <hqjagain@...il.com>
Subject: [PATCH v2] tracing: Update create_system_filter() kernel-doc comment

commit f306cc82a93d ("tracing: Update event filters for multibuffer")
added the parameter @tr for create_system_filter().

commit bb9ef1cb7d86 ("tracing: Change apply_subsystem_event_filter()
paths to
check file->system == dir")
changed the parameter from @system to @dir.

Signed-off-by: Qiujun Huang <hqjagain@...il.com>
---
v2:
Update the description of @dir, and leave @tr to another patch.
---
 kernel/trace/trace_events_filter.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index e91259f6a722..e6efb5dfec5d 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1693,6 +1693,7 @@ static void create_filter_finish(struct filter_parse_error *pe)
 
 /**
  * create_filter - create a filter for a trace_event_call
+ * @tr: the trace array associated with these events
  * @call: trace_event_call to create a filter for
  * @filter_str: filter string
  * @set_str: remember @filter_str and enable detailed error in filter
@@ -1741,8 +1742,8 @@ int create_event_filter(struct trace_array *tr,
 }
 
 /**
- * create_system_filter - create a filter for an event_subsystem
- * @system: event_subsystem to create a filter for
+ * create_system_filter - create a filter for an event subsystem
+ * @dir: the descriptor for the subsystem directory
  * @filter_str: filter string
  * @filterp: out param for created filter (always updated on return)
  *
-- 
2.25.1