From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roland Dreier Subject: Re: Adjusting minimum packet size or "wait to merge requests" in SRP Date: Wed, 28 Oct 2009 12:51:45 -0700 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: (Chris Worley's message of "Wed, 28 Oct 2009 12:47:45 -0600") Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Chris Worley Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, scst-devel List-Id: linux-rdma@vger.kernel.org > It appears that SRP tries to coalesce and fragment initiator I/O > requests into 64KB packets, as that looks to be the size requested > to/from the device on the target side (and the I/O scheduler is > disabled on the target). There is no code in the SRP initiator that does anything to change IO requests that I know of. So I think this is happening somewhere higher in the stack. - R. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html