Now that path_has_submounts() has been added have_submounts() is no
longer used so remove it.

Signed-off-by: Ian Kent <ra...@themaw.net>
Cc: Al Viro <v...@zeniv.linux.org.uk>
Cc: Eric W. Biederman <ebied...@xmission.com>
Cc: Omar Sandoval <osan...@osandov.com>
---
 fs/dcache.c            |   33 ---------------------------------
 include/linux/dcache.h |    1 -
 2 files changed, 34 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 872f04e..719d8b4 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1273,39 +1273,6 @@ static void d_walk(struct dentry *parent, void *data,
        goto again;
 }
 
-/*
- * Search for at least 1 mount point in the dentry's subdirs.
- * We descend to the next level whenever the d_subdirs
- * list is non-empty and continue searching.
- */
-
-static enum d_walk_ret check_mount(void *data, struct dentry *dentry)
-{
-       int *ret = data;
-       if (d_mountpoint(dentry)) {
-               *ret = 1;
-               return D_WALK_QUIT;
-       }
-       return D_WALK_CONTINUE;
-}
-
-/**
- * have_submounts - check for mounts over a dentry
- * @parent: dentry to check.
- *
- * Return true if the parent or its subdirectories contain
- * a mount point
- */
-int have_submounts(struct dentry *parent)
-{
-       int ret = 0;
-
-       d_walk(parent, &ret, check_mount, NULL);
-
-       return ret;
-}
-EXPORT_SYMBOL(have_submounts);
-
 struct check_mount {
        struct vfsmount *mnt;
        unsigned int mounted;
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index e351646..44a9a9b 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -254,7 +254,6 @@ extern struct dentry *d_find_alias(struct inode *);
 extern void d_prune_aliases(struct inode *);
 
 /* test whether we have any submounts in a subdir tree */
-extern int have_submounts(struct dentry *);
 extern int path_has_submounts(struct path *);
 
 /*

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