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btrfs: Remove stale comment about select_delayed_ref 

select_delayed_ref really just gets the next delayed ref which has to
be processed - either an add ref or drop ref. We never go back for
anything. So the comment is actually bogus, just remove it.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-05-17 14:16:29 +03:00 committed by David Sterba
parent f902bd3a5e
commit c442793e67
1 changed files with 0 additions and 4 deletions
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4
fs/btrfs/extent-tree.c
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@ -2705,10 +2705,6 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
spin_lock(&locked_ref->lock);
btrfs_merge_delayed_refs(trans, delayed_refs, locked_ref);
/*
* locked_ref is the head node, so we have to go one
* node back for any delayed ref updates
*/
ref = select_delayed_ref(locked_ref);
if (ref && ref->seq &&