linux-kernel - [PATCH printk 15/18] printk: Add struct cons_text

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Date:   Sat, 24 Sep 2022 02:10:51 +0206
From:   John Ogness <john.ogness@...utronix.de>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH printk 15/18] printk: Add struct cons_text_buf

From: Thomas Gleixner <tglx@...utronix.de>

Create a data structure to replace the open coded separate buffers for
regular and extended formatting.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: John Ogness <john.ogness@...utronix.de>
---
 include/linux/console.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/linux/console.h b/include/linux/console.h
index 8ec24fe097d3..05c7325e98f9 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -173,6 +173,20 @@ enum cons_flags {
 	CON_EXTENDED		= BIT(6),
 };
 
+/**
+ * struct cons_text_buf - console output text buffer
+ * @ext_text:		Buffer for extended log format text
+ * @dropped_text:	Buffer for dropped text
+ * @text:		Buffer for ringbuffer text
+ */
+struct cons_text_buf {
+	union {
+		char	ext_text[CONSOLE_EXT_LOG_MAX];
+		char	dropped_text[DROPPED_TEXT_MAX];
+	};
+	char		text[CONSOLE_LOG_MAX];
+};
+
 /**
  * struct console - The console descriptor structure
  * @name:		The name of the console driver
-- 
2.30.2