From 68e8a9feab251f9d3c8fd9e9893c97843bcd4bd0 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 24 Nov 2011 22:53:09 -0500
Subject: vfs: all counters taken to struct mount

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/mount.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'fs/mount.h')

diff --git a/fs/mount.h b/fs/mount.h
index 853738f5897..452ae41e013 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -1,10 +1,22 @@
 #include <linux/mount.h>
 
+struct mnt_pcp {
+	int mnt_count;
+	int mnt_writers;
+};
+
 struct mount {
 	struct list_head mnt_hash;
 	struct mount *mnt_parent;
 	struct dentry *mnt_mountpoint;
 	struct vfsmount mnt;
+#ifdef CONFIG_SMP
+	struct mnt_pcp __percpu *mnt_pcp;
+	atomic_t mnt_longterm;		/* how many of the refs are longterm */
+#else
+	int mnt_count;
+	int mnt_writers;
+#endif
 };
 
 static inline struct mount *real_mount(struct vfsmount *mnt)
-- 
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