From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Subject: [PATCH] SCSI: Decode UNMAP bit in WRITE SAME(10)
Date: Tue, 08 Mar 2011 02:05:01 -0500
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As of SBC3r26 WRITE SAME(10) supports the UNMAP bit.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
index b587289..2bea4f0 100644
--- 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;