linux-kernel - [PATCH printk-rework 02/14] printk: kmsg

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Date:   Thu, 18 Feb 2021 09:18:05 +0100
From:   John Ogness <john.ogness@...utronix.de>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org
Subject: [PATCH printk-rework 02/14] printk: kmsg_dump: remove unused fields

struct kmsg_dumper still contains some fields that were used to
iterate the old ringbuffer. They are no longer used. Remove them
and update the struct documentation.

Signed-off-by: John Ogness <john.ogness@...utronix.de>
---
 include/linux/kmsg_dump.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/kmsg_dump.h b/include/linux/kmsg_dump.h
index 3378bcbe585e..235c50982c2d 100644
--- a/include/linux/kmsg_dump.h
+++ b/include/linux/kmsg_dump.h
@@ -36,6 +36,9 @@ enum kmsg_dump_reason {
  * 		through the record iterator
  * @max_reason:	filter for highest reason number that should be dumped
  * @registered:	Flag that specifies if this is already registered
+ * @active:	Flag that specifies if this is currently dumping
+ * @cur_seq:	Points to the oldest message to dump (private)
+ * @next_seq:	Points after the newest message to dump (private)
  */
 struct kmsg_dumper {
 	struct list_head list;
@@ -45,8 +48,6 @@ struct kmsg_dumper {
 	bool registered;
 
 	/* private state of the kmsg iterator */
-	u32 cur_idx;
-	u32 next_idx;
 	u64 cur_seq;
 	u64 next_seq;
 };
-- 
2.20.1