linux-kernel - [PATCH 2/5] VFS: Convert sysctl_drop

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Date:	Mon, 16 Dec 2013 07:00:06 -0800
From:	Li Wang <liwang@...ntukylin.com>
To:	Alexander Viro <viro@...iv.linux.org.uk>
Cc:	Sage Weil <sage@...tank.com>, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Li Wang <liwang@...ntukylin.com>,
	Yunchuan Wen <yunchuanwen@...ntukylin.com>
Subject: [PATCH 2/5] VFS: Convert sysctl_drop_caches to string


Signed-off-by: Li Wang <liwang@...ntukylin.com>
Signed-off-by: Yunchuan Wen <yunchuanwen@...ntukylin.com>
---
 include/linux/mm.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1cedd00..5e3cc5b 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -17,6 +17,7 @@
 #include <linux/pfn.h>
 #include <linux/bit_spinlock.h>
 #include <linux/shrinker.h>
+#include <linux/fs.h>
 
 struct mempolicy;
 struct anon_vma;
@@ -1920,7 +1921,7 @@ int in_gate_area_no_mm(unsigned long addr);
 #endif	/* __HAVE_ARCH_GATE_AREA */
 
 #ifdef CONFIG_SYSCTL
-extern int sysctl_drop_caches;
+extern char sysctl_drop_caches[PATH_MAX];
 int drop_caches_sysctl_handler(struct ctl_table *, int,
 					void __user *, size_t *, loff_t *);
 #endif
-- 
1.7.9.5

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