Rob Landley:
> I'm reading through the fs/lockd code, and I read grace.c and svcshare.c
> and code such as nlmsvc_share_file() only seems to get called from
> nlmsvc_proc_share() (and its cut-and-paste twin nlm4svc_proc_share())...
>
> And as far as I can grep, those last two functions are never called from
> anywhere in the kernel source.
>
> The comments say this is for "DOS shares", which presumably doesn't mean
> what I think it means because DOS used netbios, not NFS...
>
> What's this code for, and where does it get used? Is it something out
> of tree, or some header #define that's glued##together that I'm not
> picking up via grep...?
Maybe you can get some info from the following code at fs/lockd/svc4proc.c:
462
463 #define PROC(name, xargt, xrest, argt, rest, respsize) \
464 { .pc_func = (svc_procfunc) nlm4svc_proc_##name, \
465 .pc_decode = (kxdrproc_t) nlm4svc_decode_##xargt, \
466 .pc_encode = (kxdrproc_t) nlm4svc_encode_##xrest, \
467 .pc_release = NULL, \
468 .pc_argsize = sizeof(struct nlm_##argt), \
469 .pc_ressize = sizeof(struct nlm_##rest), \
470 .pc_xdrressize = respsize, \
471 }
472 #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
473 #define No (1+1024/4) /* netobj */
474 #define St 1 /* status */
475 #define Rg 4 /* range (offset + length) */
476 struct svc_procedure nlmsvc_procedures4[] = {
477 PROC(null, void, void, void, void, 1),
.. ...
497 PROC(none, void, void, void, void, 0),
498 PROC(share, shareargs, shareres, args, res, Ck+St+1),
499 PROC(unshare, shareargs, shareres, args, res, Ck+St+1),
500 PROC(nm_lock, lockargs, res, args, res, Ck+St),
501 PROC(free_all, notify, void, args, void, 1),
502
503 };
--
----
thanks
Mi Jinlong
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