Re: [PATCH v2 4/6] Btrfs: remove unused check of skip_locking

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On Fri, May 18, 2018 at 01:27:50PM +0800, Qu Wenruo wrote:
> 
> 
> On 2018年05月18日 11:00, Liu Bo wrote:
> > The check is superfluous since all of callers who set search_for_commit
> > also have skip_locking set.
> > 
> > Signed-off-by: Liu Bo <bo.liu@xxxxxxxxxxxxxxxxx>
> 
> Reviewed-by: Qu Wenruo <wqu@xxxxxxxx>
> 
> Although more obvious comment about search_commit_root and skip_locking
> in ctree.h will be much better.

Not only a comment but also an ASSERT, this is too easy to get wrong.
That all currenct callers do search_commit_root + skip_locking will not
catch any future callers. And there was an example reported.
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