polling-io-5-of-7.patch

From jasonuhl@sgi.com Mon Mar  7 19:24:38 2005
Date: Mon, 7 Mar 2005 19:24:38 -0800
From: Jason Uhlenkott <jasonuhl@sgi.com>
To: lkcd-devel@lists.sourceforge.net
Subject: [PATCH 5/7] Polling I/O: qla2xxx support
Message-ID: <20050308032438.GE103743@dragonfly.engr.sgi.com>
References: <20050308031638.GC98711@dragonfly.engr.sgi.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20050308031638.GC98711@dragonfly.engr.sgi.com>
User-Agent: Mutt/1.5.6i
Status: RO
Content-Length: 1320
Lines: 44

Polling I/O support for QLogic ISP2x00.

Index: linux/drivers/scsi/qla2xxx/qla_os.c
===================================================================
--- linux.orig/drivers/scsi/qla2xxx/qla_os.c	2005-03-07 17:48:57.928132727 -0800
+++ linux/drivers/scsi/qla2xxx/qla_os.c	2005-03-07 17:49:07.509268265 -0800
@@ -157,6 +157,7 @@
 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 static int qla2x00_loop_reset(scsi_qla_host_t *ha);
 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
+static void qla2x00_dump_poll(struct scsi_device *sdev);
 
 static int qla2x00_proc_info(struct Scsi_Host *, char *, char **,
     off_t, int, int);
@@ -185,6 +186,7 @@
 	 * which equates to 0x800000 sectors.
 	 */
 	.max_sectors		= 0xFFFF,
+	.dump_poll		= qla2x00_dump_poll,
 };
 
 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
@@ -1755,6 +1757,21 @@
 	return qla2x00_abort_target(reset_fcport);
 }
 
+/*
+ * qla2x00_dump_poll
+ *	Used by LKCD to complete I/O during a crash dump.
+ *
+ * Input:
+ *	sdev = device to which we're dumping.
+ */
+static void
+qla2x00_dump_poll(struct scsi_device *sdev)
+{
+	scsi_qla_host_t *ha = to_qla_host(sdev->host);
+
+	qla2x00_poll(ha);
+}
+
 /**************************************************************************
 * qla2xxx_slave_configure
 *