On 09/22/2010 01:13 PM, Boaz Harrosh wrote: > On 09/22/2010 08:08 AM, Nicholas A. Bellinger wrote: <snip> >> return task->task_sg_num; > > OK Now I'm sure! > You have completely missed the fact that bidi entails two sg_list(s) > two sg_num(s) and two io_byte_count(s). > > The use of sg_table will clear that confusion a bit, though I wanted it > to carry an io_byte_count as well, but never came to do that. > OK actually you should use scsi_data_buffer better then sg_table. Because it also has the length. And it even has a resid. Because with bidi-commands there are two residual counters reported in command-response. You can see libiscsi for how it handles the bidi residual counters. Boaz -- 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
