From: Martin K. Petersen <martin.petersen@oracle.com>
Date: Wed, 18 May 2011 04:46:34 +0000 (-0400)
Subject: [SCSI] scsi_trace: Decode UNMAP bit in WRITE SAME(10)
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c498bf1a1bd4e4a9140045b747cafe6386bc59a5;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

[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>
---

diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
index b587289cfacb..2bea4f0b684a 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;