btrfs: remove superfluous chunk_tree argument from btrfs_alloc_dev_extent

Currently this function is always called with the object id of the root
key of the chunk_tree, which is always BTRFS_CHUNK_TREE_OBJECTID. So
let's subsume it straight into the function itself. No functional
change.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 63608c5..d024f1b 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1571,8 +1571,7 @@ out:
 
 static int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
                                  struct btrfs_device *device,
-                                 u64 chunk_tree, u64 chunk_offset, u64 start,
-                                 u64 num_bytes)
+                                 u64 chunk_offset, u64 start, u64 num_bytes)
 {
        int ret;
        struct btrfs_path *path;
@@ -1599,7 +1598,8 @@ static int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
        leaf = path->nodes[0];
        extent = btrfs_item_ptr(leaf, path->slots[0],
                                struct btrfs_dev_extent);
-       btrfs_set_dev_extent_chunk_tree(leaf, extent, chunk_tree);
+       btrfs_set_dev_extent_chunk_tree(leaf, extent,
+                                       BTRFS_CHUNK_TREE_OBJECTID);
        btrfs_set_dev_extent_chunk_objectid(leaf, extent,
                                            BTRFS_FIRST_CHUNK_TREE_OBJECTID);
        btrfs_set_dev_extent_chunk_offset(leaf, extent, chunk_offset);
@@ -4903,10 +4903,8 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
                ret = btrfs_update_device(trans, device);
                if (ret)
                        break;
-               ret = btrfs_alloc_dev_extent(trans, device,
-                                            chunk_root->root_key.objectid,
-                                            chunk_offset, dev_offset,
-                                            stripe_size);
+               ret = btrfs_alloc_dev_extent(trans, device, chunk_offset,
+                                            dev_offset, stripe_size);
                if (ret)
                        break;
        }