Re: [PATCH] btrfs: fix WARNING in btrfs_select_ref_head()
From: David Sterba <hidden>
Date: 2016-07-08 15:26:53
On Mon, Jun 20, 2016 at 09:18:52AM +0800, Wang Xiaoguang wrote:
quoted hunk ↗ jump to hunk
@@ -2665,7 +2665,10 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, btrfs_free_delayed_extent_op(extent_op); if (ret) { + spin_lock(&delayed_refs->lock); locked_ref->processing = 0; + delayed_refs->num_heads_ready++; + spin_unlock(&delayed_refs->lock); btrfs_delayed_ref_unlock(locked_ref); btrfs_put_delayed_ref(ref); btrfs_debug(fs_info, "run_one_delayed_ref returned %d", ret);
I don't feel qualified to review this and add it to the 4.8 first pull. The patch will be in for-next though.