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From:   Jan Kara <jack@suse.cz>
To:     Ted Tso <tytso@mit.edu>
Cc:     <linux-ext4@vger.kernel.org>, Jan Kara <jack@suse.cz>
Subject: [PATCH] jbd2: Remove unused exports for jbd2 debugging
Date:   Mon,  6 Jun 2022 16:40:47 +0200
Message-Id: <20220606144047.16780-1-jack@suse.cz>
MIME-Version: 1.0
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Jbd2 exports jbd2_journal_enable_debug and __jbd2_debug() depite the
first is used only in fs/jbd2/journal.c and the second only within jbd2
code. Remove the pointless exports make jbd2_journal_enable_debug
static.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/jbd2/journal.c    | 4 +---
 include/linux/jbd2.h | 1 -
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index c0cbeeaec2d1..164bd0eff3cf 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -49,8 +49,7 @@
 #include <asm/page.h>
 
 #ifdef CONFIG_JBD2_DEBUG
-ushort jbd2_journal_enable_debug __read_mostly;
-EXPORT_SYMBOL(jbd2_journal_enable_debug);
+static ushort jbd2_journal_enable_debug __read_mostly;
 
 module_param_named(jbd2_debug, jbd2_journal_enable_debug, ushort, 0644);
 MODULE_PARM_DESC(jbd2_debug, "Debugging level for jbd2");
@@ -115,7 +114,6 @@ void __jbd2_debug(int level, const char *file, const char *func,
 	printk(KERN_DEBUG "%s: (%s, %u): %pV", file, func, line, &vaf);
 	va_end(args);
 }
-EXPORT_SYMBOL(__jbd2_debug);
 #endif
 
 /* Checksumming functions */
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index e79d6e0b14e8..6d3c23fecbc2 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -54,7 +54,6 @@
  * CONFIG_JBD2_DEBUG is on.
  */
 #define JBD2_EXPENSIVE_CHECKING
-extern ushort jbd2_journal_enable_debug;
 void __jbd2_debug(int level, const char *file, const char *func,
 		  unsigned int line, const char *fmt, ...);
 
-- 
2.35.3