On Fri, 11 Jul 2008 16:57:00 +0300 (EEST) Kai Makisara wrote: > -----------------------8<----------------------------------------------- > diff --git a/Documentation/scsi/st.txt b/Documentation/scsi/st.txt > index 4075260..7847655 100644 > --- a/Documentation/scsi/st.txt > +++ b/Documentation/scsi/st.txt > @@ -457,6 +459,17 @@ MTIOCGET Returns some status information. > is set if there is no tape in the drive. GMT_EOD means either > end of recorded data or end of tape. GMT_EOT means end of tape. > > +The following ioctl uses the structure mtsense to return error information: > +MTIOCSENSE returns the sense data from the previous "interesting" SCSI command > + resulting in CHECK CONDITION. Sense data is not saved from a command > + if is used only for supporting the implementation of the tape if is used ?? Confusing. Maybe "if it is used". > + semantics and the sense data from that command would overwrite the > + sense data from the error interesting to the user. For instance, error > + from backspacing over a block by st after a read error does not > + overwrite the sense data from the read. The field 'latest' tells if > + the sense data is from the previous SCSI command sent to the device > + (all SCSI commands are counted). The cmd field is the command byte > + from the SCSI command resulting in the sense data. > > MISCELLANEOUS COMPILE OPTIONS > --- ~Randy Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA http://linuxplumbersconf.org/ -- 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
