Re: [PATCH 01/10] locks: close potential race in lease_get_mtime

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On Sat, Aug 23, 2014 at 10:41:09AM -0400, Jeff Layton wrote:
> lease_get_mtime is called without the i_lock held, so there's no
> guarantee about the stability of the list. Between the time when we
> assign "flock" and then dereference it to check whether it's a lease
> and for write, the lease could be freed.
> 
> Ensure that that doesn't occur by taking the i_lock before trying
> to check the lease.

Looks good.  Also looks way cleaner than before by being just a tad more
verbose..

Reviewed-by: Christoph Hellwig <hch@xxxxxx>
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