linux-kernel - Re: [PATCH] drivers/scsi/qla1280.c; was Re: Buffered I/O to block device very slow and other SCSI issues...

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Message-ID: <20080513085804.GL41683@sgi.com>
Date:	Tue, 13 May 2008 01:58:04 -0700
From:	Jeremy Higdon <jeremy@....com>
To:	Jes Sorensen <jes@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, dgc@....com,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	jens.axboe@...cle.com, stable@...nel.org
Subject: Re: [PATCH] drivers/scsi/qla1280.c; was Re: Buffered I/O to block device very slow and other SCSI issues...

On Tue, May 13, 2008 at 09:15:46AM +0200, Jes Sorensen wrote:
> Andrew Morton wrote:
> >>--- a/drivers/scsi/qla1280.c	2008-05-03 11:59:44.000000000 -0700
> >>+++ b/drivers/scsi/qla1280.c	2008-05-10 21:32:23.451341969 -0700
> >>@@ -2007,7 +2007,7 @@ qla1280_set_defaults(struct scsi_qla_hos
> >> 		nv->bus[bus].config_2.req_ack_active_negation = 1;
> >> 		nv->bus[bus].config_2.data_line_active_negation = 1;
> >> 		nv->bus[bus].selection_timeout = 250;
> >>-		nv->bus[bus].max_queue_depth = 256;
> >>+		nv->bus[bus].max_queue_depth = 32;
> >> 
> >> 		if (IS_ISP1040(ha)) {
> >> 			nv->bus[bus].bus_reset_delay = 3;
> >>@@ -2051,7 +2051,7 @@ qla1280_config_target(struct scsi_qla_ho
> >> 	status = qla1280_mailbox_command(ha, 0x0f, mb);
> >> 
> >> 	/* Save Tag queuing enable flag. */
> >>-	flag = (BIT_0 << target) & mb[0];
> >>+	flag = (BIT_0 << target);
> >> 	if (nv->bus[bus].target[target].parameter.tag_queuing)
> >> 		ha->bus_settings[bus].qtag_enables |= flag;
> >
> >Thanks.  I tagged this for a -stable backport (assuming that is
> >appropriate?)
> >
> 
> Sounds good, given the nature of this it should go into stable as well
> as current.

I agree.

> Acked-by: Jes Sorensen <jes@....com>


jeremy
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