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Commit 78a904b6 authored by Randy Dunlap's avatar Randy Dunlap Committed by James Bottomley
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[SCSI] ppa: fix for machines with highmem



ppa cannot handle highmem pages, and like imm, which already has
this patch, the device is slow, so performance is not a big issue,
so just force pages to be in low memory (hence mapped).

Signed-off-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 4ff42a66
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+7 −0
Original line number Diff line number Diff line
@@ -982,6 +982,12 @@ static int device_check(ppa_struct *dev)
	return -ENODEV;
}

static int ppa_adjust_queue(struct scsi_device *device)
{
	blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
	return 0;
}

static struct scsi_host_template ppa_template = {
	.module			= THIS_MODULE,
	.proc_name		= "ppa",
@@ -997,6 +1003,7 @@ static struct scsi_host_template ppa_template = {
	.cmd_per_lun		= 1,
	.use_clustering		= ENABLE_CLUSTERING,
	.can_queue		= 1,
	.slave_alloc		= ppa_adjust_queue,
};

/***************************************************************************