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scsi_debug: Add XDWRITEREAD_32 support

PATCH New Nicholas A. Bellinger 1 participant 1 message Sep 22, 2010 SCSI

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Nicholas A. Bellinger

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PATCH 2/2 scsi_debug: Add XDWRITEREAD_32 support

From: Nicholas Bellinger <[email protected]>

This patch adds XDWRITEREAD_32 support to scsi_debug.c in scsi_debug_queuecommand(). It follows the other READ_32 and WRITE_32 emulation for VARIABLE_LENGTH_CMD, and adds a simple goto back to existing XDWRITEREAD_10 processing logic which already properly supports 64-bit LBA and 32-bit transfer length in get_data_transfer_info()

Signed-off-by Nicholas A. Bellinger <[email protected]>
---
 drivers/scsi/scsi_debug.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
drivers/scsi/scsi_debug.c +3 -0
index b02bdc6..f2547d7 100644
@@ -3796,6 +3796,7 @@ write:
 		errsts = check_readiness(SCpnt, 1, devip);
 		break;
 	case XDWRITEREAD_10:
+xdwrite_read:
 		if (!scsi_bidi_cmnd(SCpnt)) {
 			mk_sense_buffer(devip, ILLEGAL_REQUEST,
 					INVALID_FIELD_IN_CDB, 0);

@@ -3834,6 +3835,8 @@ write:
 				goto write;
 			}
 		}
+		if (cmd[9] == XDWRITEREAD_32)
+			goto xdwrite_read;
 
 		mk_sense_buffer(devip, ILLEGAL_REQUEST,
 				INVALID_FIELD_IN_CDB, 0);
Signature · 1 line
1.7.3