* [PATCH] SCSI: Decode UNMAP bit in WRITE SAME(10)
@ 2011-03-08 7:05 Martin K. Petersen
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From: Martin K. Petersen @ 2011-03-08 7:05 UTC (permalink / raw)
To: linux-scsi, James.Bottomley
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;
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2011-03-08 7:05 [PATCH] SCSI: Decode UNMAP bit in WRITE SAME(10) Martin K. Petersen
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