linux-kernel - [PATCH] [EXT4] super.c: unused variable warning without CONFIG

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Message-Id: <1335109852-17829-1-git-send-email-eldad@fogrefinery.com>
Date:	Sun, 22 Apr 2012 17:50:52 +0200
From:	Eldad Zack <eldad@...refinery.com>
To:	Theodore Ts'o <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Eldad Zack <eldad@...refinery.com>
Subject: [PATCH] [EXT4] super.c: unused variable warning without CONFIG_QUOTA

sb info is only checked with quota support.

fs/ext4/super.c: In function ‘parse_options’:
fs/ext4/super.c:1600:23: warning: unused variable ‘sbi’ [-Wunused-variable]

Signed-off-by: Eldad Zack <eldad@...refinery.com>
---
 fs/ext4/super.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6da1935..e1fb1d5 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1597,7 +1597,9 @@ static int parse_options(char *options, struct super_block *sb,
 			 unsigned int *journal_ioprio,
 			 int is_remount)
 {
+#ifdef CONFIG_QUOTA
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
+#endif
 	char *p;
 	substring_t args[MAX_OPT_ARGS];
 	int token;
-- 
1.7.10

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