Re: [PATCH v4 012/100] nfsd: remove nfs4_file_put_fd

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On Tue, Jul 08, 2014 at 02:03:00PM -0400, Jeff Layton wrote:
> ...and replace it with a simple swap call.

While trying to understand this code I'm failing to grasp the point
of the fi_access counters.  Why can't we simply grab a reference to
file everytime we increment fi_access, and simply drop it evertime we
decrement it?

Note that the comment explaining fi_access also seems wrong, as it
suggest contributing 0-4 to the counts, but at best we increment each
one by 1 in a single operation.

Also as you touch this area big time:  I think fi_fds should be renamed
to fi_fils or similar as we point to file structures and not fds.
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