Adding back LKML. ----- Original Message ---- > From: Jim Rees <rees@xxxxxxxxx> > To: Martin Knoblauch <knobi@xxxxxxxxxxxx> > Cc: linux-nfs list <linux-nfs@xxxxxxxxxxxxxxx> > Sent: Wednesday, September 17, 2008 5:31:12 PM > Subject: Re: [RFC][Resend] Make NFS-Client readahead tunable > > Martin Knoblauch wrote: > > We never needed that in our case. But yes, would be trivial. The question > is, whether there should be a maximum, just as a safeguard. > > Yes. The default should be (RPC_DEF_SLOT_TABLE - 1), and the maximum should > be max(xprt_udp_slot_table_entries, xprt_tcp_slot_table_entries) (maybe > minus one). > The default is NFS_MAX_READAHEAD, which is (RPC_DEF_SLOT_TABLE - 1). Incidentially, your suggested maximum seems to be the same on a default setup (minus one applied). > I wonder if it would make sense to adjust NFS_MAX_READAHEAD when > xprt_*_slot_table_entries is changed via sysctl. I am not sure how useful/practical this is, as currently the ra_factor is applied at mount time. Cheers Martin -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
