constify __d_lookup() arguments

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 2 insertions, 2 deletions

diff --git a/fs/dcache.c b/fs/dcache.c
index 8f15e8d71bba..93d9f4e1a8ed 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1919,7 +1919,7 @@ EXPORT_SYMBOL(d_lookup);
  *
  * __d_lookup callers must be commented.
  */
-struct dentry *__d_lookup(struct dentry *parent, struct qstr *name)
+struct dentry *__d_lookup(const struct dentry *parent, const struct qstr *name)
 {
         unsigned int len = name->len;
         unsigned int hash = name->hash;
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 63e96844a8e8..969086c03301 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -295,7 +295,7 @@ extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
 /* appendix may either be NULL or be used for transname suffixes */
 extern struct dentry *d_lookup(struct dentry *, struct qstr *);
 extern struct dentry *d_hash_and_lookup(struct dentry *, struct qstr *);
-extern struct dentry *__d_lookup(struct dentry *, struct qstr *);
+extern struct dentry *__d_lookup(const struct dentry *, const struct qstr *);
 extern struct dentry *__d_lookup_rcu(const struct dentry *parent,
                                 const struct qstr *name,
                                 unsigned *seq, struct inode *inode);