Re: [PATCH v1 012/104] NFSd: Clean up helper __release_lock_stateid

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On Thu, Jun 19, 2014 at 10:49:18AM -0400, Jeff Layton wrote:
> From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
> 
> Use filp_close() instead of open coding

filp_close does more than what's currently opencoded here:

 - file_count debug check which seems pointless but harmless
 - calling ->flush. This doesn't do much on nfs exportable filesystem
   except for exofs, which does dumb shit in it that should be removed,
   but the maintainer refuse.
 - call into dnotify, which we probably should be doing here.

> -static void __release_lock_stateid(struct nfs4_ol_stateid *stp)
> +static void __release_lock_stateid(struct nfs4_lockowner *lo,
> +		struct nfs4_ol_stateid *stp)

But what's the point of explicitly passing the lock owner instead of
deriving it?

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