vfs: all counters taken to struct mount
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/mount.h b/fs/mount.h
index 853738f..452ae41 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)