[PATCH] scsi: Add numbers of lun for scan debug log

[PATCH] scsi: Add numbers of lun for scan debug log

[Wu Bo]

Sometimes, want to know the number of LUN in the REPORT LUN or
sequential scan LUN. Adding the numbers of LUN is
convenient for debugging.

Signed-off-by: Wu Bo <wubo40@huawei.com>
---
 drivers/scsi/scsi_scan.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 9af50e6..ea679d7 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1201,9 +1201,6 @@ static void scsi_sequential_lun_scan(struct scsi_target *starget,
 	u64 sparse_lun, lun;
 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 
-	SCSI_LOG_SCAN_BUS(3, starget_printk(KERN_INFO, starget,
-		"scsi scan: Sequential scan\n"));
-
 	max_dev_lun = min(max_scsi_luns, shost->max_lun);
 	/*
 	 * If this device is known to support sparse multiple units,
@@ -1253,6 +1250,8 @@ static void scsi_sequential_lun_scan(struct scsi_target *starget,
 	else
 		max_dev_lun = min(256U, max_dev_lun);
 
+	SCSI_LOG_SCAN_BUS(3, starget_printk(KERN_INFO, starget,
+		"scsi scan: Sequential scan, max LUNs:%u\n", max_dev_lun));
 	/*
 	 * We have already scanned LUN 0, so start at LUN 1. Keep scanning
 	 * until we reach the max, or no LUN is found and we are not
@@ -1413,7 +1412,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, blist_flags_t bflag
 	num_luns = (length / sizeof(struct scsi_lun));
 
 	SCSI_LOG_SCAN_BUS(3, sdev_printk (KERN_INFO, sdev,
-		"scsi scan: REPORT LUN scan\n"));
+		"scsi scan: REPORT LUN scan, total LUNs%u\n", num_luns));
 
 	/*
 	 * Scan the luns in lun_data. The entry at offset 0 is really
-- 
1.8.3.1