On Thu, Aug 9, 2012 at 3:03 AM, Myklebust, Trond <Trond.Myklebust@xxxxxxxxxx> wrote: > On Wed, 2012-08-08 at 09:49 +0800, Peng Tao wrote: >> pnfs_within_mdsthreshold() is called inside pg_init. We need >> to set read_io/write_io before that. > > Why? If we don't set read_io/write_io before calling pg_init, we fail pnfs_within_mdsthreshold() and IO goes to MDS. A simple test case: dd if=foo of=/mnt/pnfs/bar bs=10M count=1 oflag=direct -- Thanks, Tao -- 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
