Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752468Ab2FKWpV (ORCPT ); Mon, 11 Jun 2012 18:45:21 -0400 Received: from mail-wg0-f44.google.com ([74.125.82.44]:42530 "EHLO mail-wg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750948Ab2FKWpT (ORCPT ); Mon, 11 Jun 2012 18:45:19 -0400 MIME-Version: 1.0 In-Reply-To: References: <1339421351-2971-1-git-send-email-linkinjeon@gmail.com> Date: Tue, 12 Jun 2012 07:45:17 +0900 Message-ID: Subject: Re: [PATCH v4 3/3] usb: storage: update usb devices for write cache quirk in quirk list. From: Namjae Jeon To: Alan Stern Cc: James.Bottomley@hansenpartnership.com, gregkh@linuxfoundation.org, mdharm-usb@one-eyed-alien.net, sshtylyov@mvista.com, bvanassche@acm.org, linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Namjae Jeon , Pankaj Kumar , Amit Sahrawat Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2483 Lines: 70 2012/6/11, Alan Stern : > On Mon, 11 Jun 2012, Namjae Jeon wrote: > >> Update information of Seagate Portable HDD and WD My Passport HDD in >> quirk list. >> >> Signed-off-by: Namjae Jeon >> Signed-off-by: Pankaj Kumar >> Signed-off-by: Amit Sahrawat >> --- >> drivers/usb/storage/unusual_devs.h | 24 ++++++++++++++++++++++++ >> 1 file changed, 24 insertions(+) >> >> diff --git a/drivers/usb/storage/unusual_devs.h >> b/drivers/usb/storage/unusual_devs.h >> index 1719886..64f0369 100644 >> --- a/drivers/usb/storage/unusual_devs.h >> +++ b/drivers/usb/storage/unusual_devs.h >> @@ -1267,6 +1267,18 @@ UNUSUAL_DEV( 0x0af0, 0xd357, 0x0000, 0x0000, >> USB_SC_DEVICE, USB_PR_DEVICE, NULL, >> 0 ), >> >> +/* Reported by Namjae Jeon >> + * Even though write cache is enabled by default, >> + * SCSI driver assume that cache is not enabled >> + * which in turn might lead to the loss of data >> + * since data still will be in cache. >> + * So this entry is needed for assuming that cache is enabled. >> + */ > > Please remove everything except the "Reported by" line. The rest is > obvious when we see the US_FL_WRITE_CACHE flag. Okay, I will remove. Thanks~ > >> +UNUSUAL_DEV(0x0bc2, 0x2300, 0x0000, 0x9999, >> + "Seagate", >> + "Portable HDD", >> + USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_WRITE_CACHE), >> + >> /* Reported by Ben Efros */ >> UNUSUAL_DEV( 0x0bc2, 0x3010, 0x0000, 0x0000, >> "Seagate", >> @@ -1468,6 +1480,18 @@ UNUSUAL_DEV( 0x1058, 0x0704, 0x0000, 0x9999, >> USB_SC_DEVICE, USB_PR_DEVICE, NULL, >> US_FL_SANE_SENSE), >> >> +/* Reported by Namjae Jeon >> + * Even though write cache is enabled by default, >> + * SCSI driver assume that cache is not enabled >> + * which in turn might lead to the loss of data >> + * since data still will be in cache. >> + * So this entry is needed for assuming that cache is enabled. >> + */ > > Same here. > >> +UNUSUAL_DEV(0x1058, 0x070a, 0x0000, 0x9999, >> + "Western Digital", >> + "My Passport HDD", >> + USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_WRITE_CACHE), > > Alan Stern > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/