commit fabbb8df8eba6f248fd0fef7d19a0d7d4a4a0e95
author Joe Carnuccio <joe.carnuccio@qlogic.com> Tue Aug 27 01:37:40 2013 -0400
committer James Bottomley <JBottomley@Parallels.com> Tue Sep 03 07:28:04 2013 -0700
tree 7f8f3f53620b8b82551b8f816521c3b49a7bf21c
parent 0e948975efe2b5aef19f5090279f657b5262a64a

[SCSI] qla2xxx: Add missing FCP statistics to sysfs interface.

Add the missing FCP statistics to sysfs.
Add reset FCP statistics functionality via sysfs.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla2xxx/qla_iocb.c

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index e2a7d2d..46b9307 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -32,9 +32,11 @@
 	if (cmd->sc_data_direction == DMA_TO_DEVICE) {
 		cflags = CF_WRITE;
 		vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+		vha->qla_stats.output_requests++;
 	} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
 		cflags = CF_READ;
 		vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+		vha->qla_stats.input_requests++;
 	}
 	return (cflags);
 }
@@ -642,10 +644,12 @@
 		cmd_pkt->control_flags =
 		    __constant_cpu_to_le16(CF_WRITE_DATA);
 		vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+		vha->qla_stats.output_requests++;
 	} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
 		cmd_pkt->control_flags =
 		    __constant_cpu_to_le16(CF_READ_DATA);
 		vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+		vha->qla_stats.input_requests++;
 	}
 
 	cur_seg = scsi_sglist(cmd);
@@ -758,10 +762,12 @@
 		cmd_pkt->task_mgmt_flags =
 		    __constant_cpu_to_le16(TMF_WRITE_DATA);
 		vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+		vha->qla_stats.output_requests++;
 	} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
 		cmd_pkt->task_mgmt_flags =
 		    __constant_cpu_to_le16(TMF_READ_DATA);
 		vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+		vha->qla_stats.input_requests++;
 	}
 
 	/* One DSD is available in the Command Type 3 IOCB */
@@ -2056,6 +2062,8 @@
             (bsg_job->reply_payload.sg_list)));
         els_iocb->rx_len = cpu_to_le32(sg_dma_len
             (bsg_job->reply_payload.sg_list));
+
+	sp->fcport->vha->qla_stats.control_requests++;
 }
 
 static void
@@ -2133,6 +2141,8 @@
 		avail_dsds--;
 	}
 	ct_iocb->entry_count = entry_count;
+
+	sp->fcport->vha->qla_stats.control_requests++;
 }
 
 static void
@@ -2685,6 +2695,9 @@
 	vha->bidi_stats.transfer_bytes += req_data_len;
 	vha->bidi_stats.io_count++;
 
+	vha->qla_stats.output_bytes += req_data_len;
+	vha->qla_stats.output_requests++;
+
 	/* Only one dsd is available for bidirectional IOCB, remaining dsds
 	 * are bundled in continuation iocb
 	 */