> -----Original Message----- > From: Jim Rees [mailto:rees@xxxxxxxxx] > Sent: Wednesday, November 30, 2011 1:49 AM > To: Peng Tao > Cc: Trond.Myklebust@xxxxxxxxxx; linux-nfs@xxxxxxxxxxxxxxx; bhalevy@xxxxxxxxxx; Peng, Tao > Subject: Re: [PATCH-RESEND 4/4] pnfsblock: do not ask for layout in pg_init > > Peng Tao wrote: > > Asking for layout in pg_init will always make client ask for only 4KB > layout in every layoutget. This way, client drops the IO size information > that is meaningful for MDS in handing out layout. > > In stead, if layout is not find in cache, do not send layoutget > at once. Wait until before issuing IO in pnfs_do_multiple_reads/writes > because that is where we know the real size of current IO. By telling the > real IO size to MDS, MDS will have a better chance to give proper layout. > > Signed-off-by: Peng Tao <peng_tao@xxxxxxx> > --- > Resend to fix patch title. Sorry for the noise... > > You may want to fix the patch date too, on this series and the other series > you sent earlier (later?). I know China is in a later timezone but I don't > think it's that much later. Sorry... look like the date of the machine I used to send patches is somehow messed up. I will pay attention to it next time. Thanks, Tao ��.n��������+%������w��{.n�����{��w��� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
