Btrfs: remove unused argument from select_reloc_root()

@nr is no longer used, remove it from select_reloc_root()

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 8cf99c496ff3..277b8e371fa5 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2454,7 +2454,7 @@ static noinline_for_stack
 struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
                                      struct reloc_control *rc,
                                      struct backref_node *node,
-                                     struct backref_edge *edges[], int *nr)
+                                     struct backref_edge *edges[])
 {
         struct backref_node *next;
         struct btrfs_root *root;
@@ -2496,7 +2496,6 @@ struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
         if (!root)
                 return NULL;
 
-        *nr = index;
         next = node;
         /* setup backref node path for btrfs_reloc_cow_block */
         while (1) {
@@ -2643,7 +2642,6 @@ static int do_relocation(struct btrfs_trans_handle *trans,
         u32 blocksize;
         u64 bytenr;
         u64 generation;
-        int nr;
         int slot;
         int ret;
         int err = 0;
@@ -2656,7 +2654,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
                 cond_resched();
 
                 upper = edge->node[UPPER];
-                root = select_reloc_root(trans, rc, upper, edges, &nr);
+                root = select_reloc_root(trans, rc, upper, edges);
                 BUG_ON(!root);
 
                 if (upper->eb && !upper->locked) {