1 files changed, 9 insertions, 19 deletions

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 9e23d33bb6f1..6b351e009f59 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -16,6 +16,7 @@
 #include <linux/wait.h>
 
 struct path;
+struct file;
 struct vfsmount;
 
 /*
@@ -61,16 +62,6 @@ extern const struct qstr empty_name;
 extern const struct qstr slash_name;
 extern const struct qstr dotdot_name;
 
-struct dentry_stat_t {
-	long nr_dentry;
-	long nr_unused;
-	long age_limit;		/* age in seconds */
-	long want_pages;	/* pages requested by system */
-	long nr_negative;	/* # of unused negative dentries */
-	long dummy;		/* Reserved for future use */
-};
-extern struct dentry_stat_t dentry_stat;
-
 /*
  * Try to keep struct dentry aligned on 64 byte cachelines (this will
  * give reasonable cacheline footprint with larger lines without the
@@ -243,6 +234,8 @@ extern struct dentry * d_alloc_parallel(struct dentry *, const struct qstr *,
 					wait_queue_head_t *);
 extern struct dentry * d_splice_alias(struct inode *, struct dentry *);
 extern struct dentry * d_add_ci(struct dentry *, struct inode *, struct qstr *);
+extern bool d_same_name(const struct dentry *dentry, const struct dentry *parent,
+			const struct qstr *name);
 extern struct dentry * d_exact_alias(struct dentry *, struct inode *);
 extern struct dentry *d_find_any_alias(struct inode *inode);
 extern struct dentry * d_obtain_alias(struct inode *);
@@ -258,7 +251,7 @@ extern struct dentry * d_make_root(struct inode *);
 /* <clickety>-<click> the ramfs-type tree */
 extern void d_genocide(struct dentry *);
 
-extern void d_tmpfile(struct dentry *, struct inode *);
+extern void d_tmpfile(struct file *, struct inode *);
 
 extern struct dentry *d_find_alias(struct inode *);
 extern void d_prune_aliases(struct inode *);
@@ -295,8 +288,8 @@ static inline unsigned d_count(const struct dentry *dentry)
 /*
  * helper function for dentry_operations.d_dname() members
  */
-extern __printf(4, 5)
-char *dynamic_dname(struct dentry *, char *, int, const char *, ...);
+extern __printf(3, 4)
+char *dynamic_dname(char *, int, const char *, ...);
 
 extern char *__d_path(const struct path *, const struct path *, char *, int);
 extern char *d_absolute_path(const struct path *, char *, int);
@@ -359,7 +352,7 @@ static inline void dont_mount(struct dentry *dentry)
 	spin_unlock(&dentry->d_lock);
 }
 
-extern void __d_lookup_done(struct dentry *);
+extern void __d_lookup_unhash_wake(struct dentry *dentry);
 
 static inline int d_in_lookup(const struct dentry *dentry)
 {
@@ -368,11 +361,8 @@ static inline int d_in_lookup(const struct dentry *dentry)
 
 static inline void d_lookup_done(struct dentry *dentry)
 {
-	if (unlikely(d_in_lookup(dentry))) {
-		spin_lock(&dentry->d_lock);
-		__d_lookup_done(dentry);
-		spin_unlock(&dentry->d_lock);
-	}
+	if (unlikely(d_in_lookup(dentry)))
+		__d_lookup_unhash_wake(dentry);
 }
 
 extern void dput(struct dentry *);