Mike Christie wrote: > Mike Christie wrote: >> For drivers like sg and st, do mean the the sg list that is passed to >> functions like scsi_execute_async? If we kill that argument, and instead >> have sg.c and other scsi_execute_async callers just call blk helpers >> like blk_rq_map_user then we would not have to worry about drivers like >> sg needing to know about chaining right? I mean sg.c would not every >> interact with a scatterlist. It would just interact with a request and >> the blk helpers map data for it. > > There should be a return there. > > The scatterlist that sg and st interact >> with is bogus. It gets thrown away in scsi_execute_async and is only >> used for book keeping. > > I mean currently the scatterlist that sg and st use is bogus and gets > thrown away. If we convert sg and st to use blk_rq_map_user then those > drivers will not have to interact with a scatterlist at all. I'm not familiar with the dire details but this sounds like a good idea. Benny - 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
