On Sun, 2014-01-19 at 14:12 +0200, Sagi Grimberg wrote: > On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote: > > From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx> > > > > This patch adds support to target_submit_cmd_map_sgls() for > > accepting 'sgl_prot' + 'sgl_prot_count' parameters for > > DIF protection information. > > > > Note the passed parameters are stored at se_cmd->t_prot_sg > > and se_cmd->t_prot_nents respectively. > > > > Also, update tcm_loop and vhost-scsi fabrics usage of > > target_submit_cmd_map_sgls() to take into account the > > new parameters. > > I didn't see that you added protection allocation to transports that > does not use > target_submit_cmd_map_sgls() - which happens to be iSCSI/iSER/SRP :( > > Don't you think that prot SG allocation should be added also to > target_alloc_sgl()? by then > se_cmd should contain the protection attributes and this routine can > know if it needs to > allocate prot_sg as well. This is how I used it... Yes, this specific bit was left out for the moment as no code in the patch for v3.14 actually uses it.. I'm planning to add it to for-next -> v3.15 code as soon as the merge window closes. --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
