[SCSI] scsi_trace: Decode UNMAP bit in WRITE SAME(10)

As of SBC3r26 WRITE SAME(10) supports the UNMAP bit. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <jbottomley@parallels.com>
git-mirror · May 24, 2011 · c498bf1 · c498bf1
1 parent 756aca7
commit c498bf1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
@@ -59,6 +59,10 @@ scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len)
 	trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u",
 			 (unsigned long long)lba, (unsigned long long)txlen,
 			 cdb[1] >> 5);
+
+	if (cdb[0] == WRITE_SAME)
+		trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1);
+
 	trace_seq_putc(p, 0);
 
 	return ret;