----- Original Message ---- > From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > To: Greg Banks <gnb@xxxxxxxxxxxxxxxxx> > Cc: Martin Knoblauch <knobi@xxxxxxxxxxxx>; linux-nfs list <linux-nfs@xxxxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx > Sent: Thursday, September 18, 2008 5:13:34 AM > Subject: Re: [RFC][Resend] Make NFS-Client readahead tunable > > On Thu, 18 Sep 2008 11:42:54 +1000 Greg Banks wrote: > > > I think having a tunable for client readahead is an excellent idea, > > although not to solve your particular problem. The SLES10 kernel has a > > patch which does precisely that, perhaps Neil could post it. > > > > I don't think there's a lot of point having both a module parameter and > > a sysctl. > > mount -o remount,readahead=42 [root@lpsdm52 ~]# mount -o remount,readahead=42 /net/spsdms/fs13 Bad nfs mount parameter: readahead [root@lpsdm52 ~]# mount -o readahead=42 /net/spsdms/fs13 Bad nfs mount parameter: readahead I assume the reply was meant to say that the correct way of introducing a modifyable readahead size is to implement it as a mount option ? :-) I considered it, but it seems to be more intrusive than the workaround patch. It also needs changes to userspace tools - correct? 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
