Btrfs: delete unused parameter to btrfs_read_root_item()

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

3 files changed, 6 insertions, 8 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 974687808153..37c4da3403d0 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3359,9 +3359,8 @@ int __must_check btrfs_update_root(struct btrfs_trans_handle *trans,
                                    struct btrfs_root *root,
                                    struct btrfs_key *key,
                                    struct btrfs_root_item *item);
-void btrfs_read_root_item(struct btrfs_root *root,
-                         struct extent_buffer *eb, int slot,
-                         struct btrfs_root_item *item);
+void btrfs_read_root_item(struct extent_buffer *eb, int slot,
+                          struct btrfs_root_item *item);
 int btrfs_find_last_root(struct btrfs_root *root, u64 objectid, struct
                          btrfs_root_item *item, struct btrfs_key *key);
 int btrfs_find_dead_roots(struct btrfs_root *root, u64 objectid);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 84c4fa503ef5..a03a96650548 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1481,7 +1481,7 @@ struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_root *tree_root,
         if (ret == 0) {
                 l = path->nodes[0];
                 slot = path->slots[0];
-                btrfs_read_root_item(tree_root, l, slot, &root->root_item);
+                btrfs_read_root_item(l, slot, &root->root_item);
                 memcpy(&root->root_key, location, sizeof(*location));
         }
         btrfs_free_path(path);
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 668af537a3ea..5bf1ed57f178 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -29,9 +29,8 @@
  * generation numbers as then we know the root was once mounted with an older
  * kernel that was not aware of the root item structure change.
  */
-void btrfs_read_root_item(struct btrfs_root *root,
-                         struct extent_buffer *eb, int slot,
-                         struct btrfs_root_item *item)
+void btrfs_read_root_item(struct extent_buffer *eb, int slot,
+                          struct btrfs_root_item *item)
 {
         uuid_le uuid;
         int len;
@@ -104,7 +103,7 @@ int btrfs_find_last_root(struct btrfs_root *root, u64 objectid,
                 goto out;
         }
         if (item)
-                btrfs_read_root_item(root, l, slot, item);
+                btrfs_read_root_item(l, slot, item);
         if (key)
                 memcpy(key, &found_key, sizeof(found_key));