btrfs: Remove fs_info argument from lookup_tree_block_ref

This function is always called with a valid transaction handle from
where the fs_info can be referenced. No functional changes.

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

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 102911286497e8c87231b79b0a37be976cde72bf..85e1b54bc2ea6a8ce80f5d4631df5bef42ed35b0 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1487,12 +1487,11 @@ static noinline u32 extent_data_ref_count(struct btrfs_path *path,
 }
 
 static noinline int lookup_tree_block_ref(struct btrfs_trans_handle *trans,
-                                         struct btrfs_fs_info *fs_info,
                                          struct btrfs_path *path,
                                          u64 bytenr, u64 parent,
                                          u64 root_objectid)
 {
-       struct btrfs_root *root = fs_info->extent_root;
+       struct btrfs_root *root = trans->fs_info->extent_root;
        struct btrfs_key key;
        int ret;
 
@@ -1878,8 +1877,8 @@ static int lookup_extent_backref(struct btrfs_trans_handle *trans,
        *ref_ret = NULL;
 
        if (owner < BTRFS_FIRST_FREE_OBJECTID) {
-               ret = lookup_tree_block_ref(trans, fs_info, path, bytenr,
-                                           parent, root_objectid);
+               ret = lookup_tree_block_ref(trans, path, bytenr, parent,
+                                           root_objectid);
        } else {
                ret = lookup_extent_data_ref(trans, fs_info, path, bytenr,
                                             parent, root_objectid, owner,