Merge tag 'drm/tegra/for-4.8-rc4' of git://anongit.freedesktop.org/tegra/linux into...

[cascardo/linux.git] / fs / btrfs / delayed-ref.c

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index b6d210e..d9ddcfc 100644 (file)
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -862,33 +862,6 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info,
        return 0;
 }
 
-int btrfs_add_delayed_qgroup_reserve(struct btrfs_fs_info *fs_info,
-                                    struct btrfs_trans_handle *trans,
-                                    u64 ref_root, u64 bytenr, u64 num_bytes)
-{
-       struct btrfs_delayed_ref_root *delayed_refs;
-       struct btrfs_delayed_ref_head *ref_head;
-       int ret = 0;
-
-       if (!fs_info->quota_enabled || !is_fstree(ref_root))
-               return 0;
-
-       delayed_refs = &trans->transaction->delayed_refs;
-
-       spin_lock(&delayed_refs->lock);
-       ref_head = find_ref_head(&delayed_refs->href_root, bytenr, 0);
-       if (!ref_head) {
-               ret = -ENOENT;
-               goto out;
-       }
-       WARN_ON(ref_head->qgroup_reserved || ref_head->qgroup_ref_root);
-       ref_head->qgroup_ref_root = ref_root;
-       ref_head->qgroup_reserved = num_bytes;
-out:
-       spin_unlock(&delayed_refs->lock);
-       return ret;
-}
-
 int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,
                                struct btrfs_trans_handle *trans,
                                u64 bytenr, u64 num_bytes,