lookup_fast: get rid of name argument

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

diff --git a/fs/namei.c b/fs/namei.c
index 5f6da6c..2782382 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1342,7 +1342,7 @@ static struct dentry *__lookup_hash(struct qstr *name,
  *  small and for now I'd prefer to have fast path as straight as possible.
  *  It _is_ time-critical.
  */
-static int lookup_fast(struct nameidata *nd, struct qstr *name,
+static int lookup_fast(struct nameidata *nd,
                       struct path *path, struct inode **inode)
 {
        struct vfsmount *mnt = nd->path.mnt;
@@ -1358,7 +1358,7 @@ static int lookup_fast(struct nameidata *nd, struct qstr *name,
         */
        if (nd->flags & LOOKUP_RCU) {
                unsigned seq;
-               dentry = __d_lookup_rcu(parent, name, &seq, nd->inode);
+               dentry = __d_lookup_rcu(parent, &nd->last, &seq, nd->inode);
                if (!dentry)
                        goto unlazy;
 
@@ -1400,7 +1400,7 @@ unlazy:
                if (unlazy_walk(nd, dentry))
                        return -ECHILD;
        } else {
-               dentry = __d_lookup(parent, name);
+               dentry = __d_lookup(parent, &nd->last);
        }
 
        if (unlikely(!dentry))
@@ -1530,7 +1530,7 @@ static inline int walk_component(struct nameidata *nd, struct path *path,
         */
        if (unlikely(nd->last_type != LAST_NORM))
                return handle_dots(nd, nd->last_type);
-       err = lookup_fast(nd, &nd->last, path, &inode);
+       err = lookup_fast(nd, path, &inode);
        if (unlikely(err)) {
                if (err < 0)
                        goto out_err;
@@ -2728,7 +2728,7 @@ static int do_last(struct nameidata *nd, struct path *path,
                if (open_flag & O_PATH && !(nd->flags & LOOKUP_FOLLOW))
                        symlink_ok = true;
                /* we _can_ be in RCU mode here */
-               error = lookup_fast(nd, &nd->last, path, &inode);
+               error = lookup_fast(nd, path, &inode);
                if (likely(!error))
                        goto finish_lookup;