scsi: sd: Improve unaligned completion resid message

For commands completing with a resid not aligned on the device logical
sector size, also print the command CDB in addition to the current message
to help debug hardware generating such incorrect command completion
information.

Link: https://lore.kernel.org/r/20190828053511.14818-1-damien.lemoal@wdc.com
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 149d406..91af598 100644 (file)
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1978,6 +1978,7 @@ static int sd_done(struct scsi_cmnd *SCpnt)
                        sd_printk(KERN_INFO, sdkp,
                                "Unaligned partial completion (resid=%u, sector_sz=%u)\n",
                                resid, sector_size);
+                       scsi_print_command(SCpnt);
                        resid = min(scsi_bufflen(SCpnt),
                                    round_up(resid, sector_size));
                        scsi_set_resid(SCpnt, resid);