On Tue, 2012-10-02 at 11:17 -0400, Christoph Hellwig wrote: > On Tue, Oct 02, 2012 at 07:15:44AM +0000, Nicholas A. Bellinger wrote: > > From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx> > > > > This patch adds a new TARGET_SCF_MAP_MEM flag within __target_submit_cmd() > > + a target_submit_cmd_map_mem() wrapper to pass pre-allocated SGL memory > > using existing transport_generic_map_mem_to_cmd() logic into the generic > > target submit I/O codepath. > > Instead of requiring a flag we could simply check for the sglist_count > to be non-zero instead of requiring multiple pieces of information to > be in sync. > Mmmm, fair point here. In that case I'd rather rename __target_submit_cmd() to target_submit_cmd_mapsgl(), and update the target_submit_cmd() wrapper accordingly. > I'd also be tempted to remove the wrappers and just expose what is > __target_submit_cmd now to the drivers, but that can be done > independently as a cleanup. > <nod>, dropping the extra target_submit_cmd_map_mem bit + flag now. Thanks hch! --nab -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html