[PATCH v2 3/8] btrfs: Use init_delayed_ref_common in add_delayed_data_ref

[Nikolay Borisov]

Use the newly introduced helper and remove the duplicate code.
No functional changes

Signed-off-by: Nikolay Borisov <nbori...@suse.com>
---
 fs/btrfs/delayed-ref.c | 34 ++++++++++------------------------
 1 file changed, 10 insertions(+), 24 deletions(-)

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 1c27d3322198..3ab2ba94d6f4 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -750,41 +750,27 @@ add_delayed_data_ref(struct btrfs_trans_handle *trans,
 {
        struct btrfs_delayed_data_ref *full_ref;
        struct btrfs_delayed_ref_root *delayed_refs;
-       u64 seq = 0;
+       u8 ref_type;
        int ret;
 
-       if (action == BTRFS_ADD_DELAYED_EXTENT)
-               action = BTRFS_ADD_DELAYED_REF;
 
        delayed_refs = &trans->transaction->delayed_refs;
-
-       if (is_fstree(ref_root))
-               seq = atomic64_read(&trans->fs_info->tree_mod_seq);
-
-       /* first set the basic ref node struct up */
-       refcount_set(&ref->refs, 1);
-       ref->bytenr = bytenr;
-       ref->num_bytes = num_bytes;
-       ref->ref_mod = 1;
-       ref->action = action;
-       ref->is_head = 0;
-       ref->in_tree = 1;
-       ref->seq = seq;
-       RB_CLEAR_NODE(&ref->ref_node);
-       INIT_LIST_HEAD(&ref->add_list);
-
        full_ref = btrfs_delayed_node_to_data_ref(ref);
-       full_ref->parent = parent;
-       full_ref->root = ref_root;
        if (parent)
-               ref->type = BTRFS_SHARED_DATA_REF_KEY;
+               ref_type = BTRFS_SHARED_DATA_REF_KEY;
        else
-               ref->type = BTRFS_EXTENT_DATA_REF_KEY;
+               ref_type = BTRFS_EXTENT_DATA_REF_KEY;
 
+       init_delayed_ref_common(trans->fs_info, ref, bytenr, num_bytes,
+                               ref_root, action, ref_type);
+       full_ref->root = ref_root;
+       full_ref->parent = parent;
        full_ref->objectid = owner;
        full_ref->offset = offset;
 
-       trace_add_delayed_data_ref(trans->fs_info, ref, full_ref, action);
+       trace_add_delayed_data_ref(trans->fs_info, ref, full_ref,
+                                  action == BTRFS_ADD_DELAYED_EXTENT ?
+                                  BTRFS_ADD_DELAYED_REF : action);
 
        ret = insert_delayed_ref(trans, delayed_refs, head_ref, ref);
        if (ret > 0)
-- 
2.7.4

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