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Message-Id: <20240709041734.3719513-1-sj1557.seo@samsung.com>
Date: Tue, 9 Jul 2024 13:17:34 +0900
From: Sungjong Seo <sj1557.seo@...sung.com>
To: hirofumi@...l.parknet.co.jp, akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, Sungjong Seo <sj1557.seo@...sung.com>
Subject: [PATCH] fat: print s_dev via fat_msg
To clarify MAJOR/MINOR number of a mounted device, fat_msg prints prefix
that includes them.
Signed-off-by: Sungjong Seo <sj1557.seo@...sung.com>
---
fs/fat/fat.h | 2 +-
fs/fat/misc.c | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 66cf4778cf3b..538bcb3e28e1 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -435,7 +435,7 @@ void __fat_fs_error(struct super_block *sb, int report, const char *fmt, ...);
#define fat_fs_error_ratelimit(sb, fmt, args...) \
__fat_fs_error(sb, __ratelimit(&MSDOS_SB(sb)->ratelimit), fmt , ## args)
-#define FAT_PRINTK_PREFIX "%sFAT-fs (%s): "
+#define FAT_PRINTK_PREFIX "%sFAT-fs (%s[%d:%d]): "
#define fat_msg(sb, level, fmt, args...) \
do { \
printk_index_subsys_emit(FAT_PRINTK_PREFIX, level, fmt, ##args);\
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index c7a2d27120ba..6672cefc5484 100644
--- a/fs/fat/misc.c
+++ b/fs/fat/misc.c
@@ -9,6 +9,7 @@
#include "fat.h"
#include <linux/iversion.h>
+#include <linux/blkdev.h>
/*
* fat_fs_error reports a file system problem that might indicate fa data
@@ -59,7 +60,8 @@ void _fat_msg(struct super_block *sb, const char *level, const char *fmt, ...)
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
- _printk(FAT_PRINTK_PREFIX "%pV\n", level, sb->s_id, &vaf);
+ _printk(FAT_PRINTK_PREFIX "%pV\n", level, sb->s_id,
+ MAJOR(sb->s_dev), MINOR(sb->s_dev), &vaf);
va_end(args);
}
--
2.25.1
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