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From: Matthew Wilcox <matthew@wil.cx>
To: linux-scsi@vger.kernel.org
Subject: [PATCH 2/2] Print SCSI Inquiry data more compactly
Date: Wed, 21 Jun 2006 11:14:16 -0600	[thread overview]
Message-ID: <20060621171416.GY1630@parisc-linux.org> (raw)
In-Reply-To: <20060621165300.GX1630@parisc-linux.org>


print_inquiry is rather verbose, both in implementation and in output.
This patch reduces the output from two lines to one and reduces the
implementation to a single printk.

Sample output:
  Vendor: HP 18.2G  Model: ATLAS10K3_18_SCA  Rev: HP05
  Type:   Direct-Access                      ANSI SCSI revision: 02

becomes:

scsi 2:0:1:0: Direct-Access     HP 18.2G ATLAS10K3_18_SCA HP05 ANSI ver: 02     


Signed-off-by: Matthew Wilcox <matthew@wil.cx>

Index: drivers/scsi/scsi_scan.c
===================================================================
RCS file: /var/cvs/linux-2.6/drivers/scsi/scsi_scan.c,v
retrieving revision 1.41
diff -u -p -r1.41 scsi_scan.c
--- ./drivers/scsi/scsi_scan.c	29 May 2006 02:51:18 -0000	1.41
+++ ./drivers/scsi/scsi_scan.c	21 Jun 2006 15:49:24 -0000
@@ -186,56 +186,6 @@ static void scsi_unlock_floptical(struct
 }
 
 /**
- * print_inquiry - printk the inquiry information
- * @inq_result:	printk this SCSI INQUIRY
- *
- * Description:
- *     printk the vendor, model, and other information found in the
- *     INQUIRY data in @inq_result.
- *
- * Notes:
- *     Remove this, and replace with a hotplug event that logs any
- *     relevant information.
- **/
-static void print_inquiry(unsigned char *inq_result)
-{
-	int i;
-
-	printk(KERN_NOTICE "  Vendor: ");
-	for (i = 8; i < 16; i++)
-		if (inq_result[i] >= 0x20 && i < inq_result[4] + 5)
-			printk("%c", inq_result[i]);
-		else
-			printk(" ");
-
-	printk("  Model: ");
-	for (i = 16; i < 32; i++)
-		if (inq_result[i] >= 0x20 && i < inq_result[4] + 5)
-			printk("%c", inq_result[i]);
-		else
-			printk(" ");
-
-	printk("  Rev: ");
-	for (i = 32; i < 36; i++)
-		if (inq_result[i] >= 0x20 && i < inq_result[4] + 5)
-			printk("%c", inq_result[i]);
-		else
-			printk(" ");
-
-	printk("\n");
-
-	i = inq_result[0] & 0x1f;
-
-	printk(KERN_NOTICE "  Type:   %s ", scsi_device_type(i));
-	printk("                 ANSI SCSI revision: %02x",
-	       inq_result[2] & 0x07);
-	if ((inq_result[2] & 0x07) == 1 && (inq_result[3] & 0x0f) == 1)
-		printk(" CCS\n");
-	else
-		printk("\n");
-}
-
-/**
  * scsi_alloc_sdev - allocate and setup a scsi_Device
  *
  * Description:
@@ -703,9 +653,8 @@ static int scsi_add_lun(struct scsi_devi
 	if (*bflags & BLIST_ISROM) {
 		/*
 		 * It would be better to modify sdev->type, and set
-		 * sdev->removable, but then the print_inquiry() output
-		 * would not show TYPE_ROM; if print_inquiry() is removed
-		 * the issue goes away.
+		 * sdev->removable; this can now be done since
+		 * print_inquiry has gone away.
 		 */
 		inq_result[0] = TYPE_ROM;
 		inq_result[1] |= 0x80;	/* removable */
@@ -734,7 +683,11 @@ static int scsi_add_lun(struct scsi_devi
 		printk(KERN_INFO "scsi: unknown device type %d\n", sdev->type);
 	}
 
-	print_inquiry(inq_result);
+	sdev_printk(KERN_NOTICE "scsi", sdev, "%s %.8s %.16s %.4s "
+			"ANSI ver: %02x%s\n", scsi_device_type(sdev->type),
+			sdev->vendor, sdev->model,
+			sdev->rev, inq_result[2] & 0x07,
+			(inq_result[3] & 0x0f) == 1 ? " CCS" : "");
 
 	/*
 	 * For a peripheral qualifier (PQ) value of 1 (001b), the SCSI

  reply	other threads:[~2006-06-21 17:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-21 16:53 [PATCH 1/2] Improve SCSI device type decoding Matthew Wilcox
2006-06-21 17:14 ` Matthew Wilcox [this message]
2006-06-21 18:02 ` Douglas Gilbert
2006-06-21 18:48   ` Matthew Wilcox
2006-06-22  2:42     ` Douglas Gilbert

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