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[SCSI] ppa: fix for machines with highmem

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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: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Randy.Dunlap 2006-05-19 10:11:02 -07:00 committed by James Bottomley
parent 4ff42a669a
commit 78a904b654
1 changed files with 7 additions and 0 deletions
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7
drivers/scsi/ppa.c
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@ -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,
};
/***************************************************************************