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authorRandy.Dunlap <rdunlap@xenotime.net>2006-05-19 10:11:02 -0700
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-05-19 16:45:00 -0500
commit78a904b65420e02bf964af6a83c1fd7a85e0b59d (patch)
tree3a2a6f6b38f3ffd9705b939ea0ef8ff0ca543b54 /drivers/scsi/ppa.c
parent4ff42a669a9ad3eb8274da31c7baabd968c2d365 (diff)
downloadop-kernel-dev-78a904b65420e02bf964af6a83c1fd7a85e0b59d.zip
op-kernel-dev-78a904b65420e02bf964af6a83c1fd7a85e0b59d.tar.gz
[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: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/ppa.c')
-rw-r--r--drivers/scsi/ppa.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index fee843f..108910f 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -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,
};
/***************************************************************************
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