btrfs: cleanup: removed unused 'btrfs_get_inode_ref_index'

Found by uselex.rb:
> btrfs_get_inode_ref_index: [R]: exported from:
fs/btrfs/inode-item.o fs/btrfs/btrfs.o fs/btrfs/built-in.o

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Reviewed-by: David Stebra <dsterba@suse.cz>
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 0 insertions, 65 deletions

diff --git a/fs/btrfs/inode-item.c b/fs/btrfs/inode-item.c
index ec82fae07097..2be38df703c9 100644
--- a/fs/btrfs/inode-item.c
+++ b/fs/btrfs/inode-item.c
@@ -91,32 +91,6 @@ int btrfs_find_name_in_ext_backref(struct btrfs_path *path, u64 ref_objectid,
         return 0;
 }
 
-static struct btrfs_inode_ref *
-btrfs_lookup_inode_ref(struct btrfs_trans_handle *trans,
-                       struct btrfs_root *root,
-                       struct btrfs_path *path,
-                       const char *name, int name_len,
-                       u64 inode_objectid, u64 ref_objectid, int ins_len,
-                       int cow)
-{
-        int ret;
-        struct btrfs_key key;
-        struct btrfs_inode_ref *ref;
-
-        key.objectid = inode_objectid;
-        key.type = BTRFS_INODE_REF_KEY;
-        key.offset = ref_objectid;
-
-        ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow);
-        if (ret < 0)
-                return ERR_PTR(ret);
-        if (ret > 0)
-                return NULL;
-        if (!find_name_in_backref(path, name, name_len, &ref))
-                return NULL;
-        return ref;
-}
-
 /* Returns NULL if no extref found */
 struct btrfs_inode_extref *
 btrfs_lookup_inode_extref(struct btrfs_trans_handle *trans,
@@ -144,45 +118,6 @@ btrfs_lookup_inode_extref(struct btrfs_trans_handle *trans,
         return extref;
 }
 
-int btrfs_get_inode_ref_index(struct btrfs_trans_handle *trans,
-                              struct btrfs_root *root,
-                              struct btrfs_path *path,
-                              const char *name, int name_len,
-                              u64 inode_objectid, u64 ref_objectid, int mod,
-                              u64 *ret_index)
-{
-        struct btrfs_inode_ref *ref;
-        struct btrfs_inode_extref *extref;
-        int ins_len = mod < 0 ? -1 : 0;
-        int cow = mod != 0;
-
-        ref = btrfs_lookup_inode_ref(trans, root, path, name, name_len,
-                                     inode_objectid, ref_objectid, ins_len,
-                                     cow);
-        if (IS_ERR(ref))
-                return PTR_ERR(ref);
-
-        if (ref != NULL) {
-                *ret_index = btrfs_inode_ref_index(path->nodes[0], ref);
-                return 0;
-        }
-
-        btrfs_release_path(path);
-
-        extref = btrfs_lookup_inode_extref(trans, root, path, name,
-                                           name_len, inode_objectid,
-                                           ref_objectid, ins_len, cow);
-        if (IS_ERR(extref))
-                return PTR_ERR(extref);
-
-        if (extref) {
-                *ret_index = btrfs_inode_extref_index(path->nodes[0], extref);
-                return 0;
-        }
-
-        return -ENOENT;
-}
-
 static int btrfs_del_inode_extref(struct btrfs_trans_handle *trans,
                                   struct btrfs_root *root,
                                   const char *name, int name_len,