linux-kernel - [PATCH 7/9] quota: Use the pre-processor to compile out quotactl_cmd_write when !CONFIG

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Message-Id: <1351980150-24145-8-git-send-email-lee.jones@linaro.org>
Date:	Sat,  3 Nov 2012 23:02:28 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	Lee Jones <lee.jones@...aro.org>, Jan Kara <jack@...e.cz>
Subject: [PATCH 7/9] quota: Use the pre-processor to compile out quotactl_cmd_write when !CONFIG_BLOCK

quotactl_cmd_write() is only ever invoked when BLOCK is configured. When
!CONFIG_BLOCK, the build warning below is displayed. Let's fix that.

fs/quota/quota.c:311:12: warning: ‘quotactl_cmd_write’ defined but not used [-Wunused-function]

Cc: Jan Kara <jack@...e.cz>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 fs/quota/quota.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index af1661f..c7314f1 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -307,6 +307,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
 	}
 }
 
+#ifdef CONFIG_BLOCK
+
 /* Return 1 if 'cmd' will block on frozen filesystem */
 static int quotactl_cmd_write(int cmd)
 {
@@ -322,6 +324,8 @@ static int quotactl_cmd_write(int cmd)
 	return 1;
 }
 
+#endif /* CONFIG_BLOCK */
+
 /*
  * look up a superblock on which quota ops will be performed
  * - use the name of a block device to find the superblock thereon
-- 
1.7.9.5

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