Merge tag 'v4.4.214' into 10

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / fs / btrfs / delayed-ref.c

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index a2f1650..bb1e32f 100644 (file)
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -279,7 +279,7 @@ void btrfs_merge_delayed_refs(struct btrfs_trans_handle *trans,
        if (head->is_data)
                return;
 
-       spin_lock(&fs_info->tree_mod_seq_lock);
+       read_lock(&fs_info->tree_mod_log_lock);
        if (!list_empty(&fs_info->tree_mod_seq_list)) {
                struct seq_list *elem;
 
@@ -287,7 +287,7 @@ void btrfs_merge_delayed_refs(struct btrfs_trans_handle *trans,
                                        struct seq_list, list);
                seq = elem->seq;
        }
-       spin_unlock(&fs_info->tree_mod_seq_lock);
+       read_unlock(&fs_info->tree_mod_log_lock);
 
        ref = list_first_entry(&head->ref_list, struct btrfs_delayed_ref_node,
                               list);
@@ -315,7 +315,7 @@ int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info,
        struct seq_list *elem;
        int ret = 0;
 
-       spin_lock(&fs_info->tree_mod_seq_lock);
+       read_lock(&fs_info->tree_mod_log_lock);
        if (!list_empty(&fs_info->tree_mod_seq_list)) {
                elem = list_first_entry(&fs_info->tree_mod_seq_list,
                                        struct seq_list, list);
@@ -328,7 +328,7 @@ int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info,
                }
        }
 
-       spin_unlock(&fs_info->tree_mod_seq_lock);
+       read_unlock(&fs_info->tree_mod_log_lock);
        return ret;
 }