Hi Sachin,
The existing padding is trying to isolate producer from consumer. I would not
worry about deepening it.
Matt
----- Original Message -----
> From: "Sachin Punadikar" <punadikar.sac...@gmail.com>
> To: nfs-ganesha-devel@lists.sourceforge.net
> Sent: Thursday, May 18, 2017 10:15:59 AM
> Subject: [Nfs-ganesha-devel] Need clarification on GSH_CACHE_PAD
>
> Hi,
> I come across the macro GSH_CACHE_PAD.
> what I can guess from its name is it is used for padding, but unable to
> understand, where exactly it is needed, also what the number indicates.
> To be specific I am talking about below structure:
>
> struct req_q_pair {
> const char *s;
> GSH_CACHE_PAD(0);
> struct req_q producer; /* from decoder */
> GSH_CACHE_PAD(1);
> struct req_q consumer; /* to executor */
> GSH_CACHE_PAD(2);
> };
>
> In above if I need to add another field like below, do I need to add the pad
> ?
> struct req_q_pair {
> const char *s;
> GSH_CACHE_PAD(0);
> struct req_q producer; /* from decoder */
> GSH_CACHE_PAD(1);
> struct req_q consumer; /* to executor */
> GSH_CACHE_PAD(2);
> uint64_t total; /* cumulative */
> };
>
> Thanks in advance.
>
> --
> with regards,
> Sachin Punadikar
>
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--
Matt Benjamin
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