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authorRandy.Dunlap <rdunlap@xenotime.net>2006-05-19 13:11:02 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-05-19 17:45:00 -0400
commit78a904b65420e02bf964af6a83c1fd7a85e0b59d (patch)
tree3a2a6f6b38f3ffd9705b939ea0ef8ff0ca543b54 /drivers
parent4ff42a669a9ad3eb8274da31c7baabd968c2d365 (diff)
[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')
-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 fee843fab1c7..108910f512e4 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -982,6 +982,12 @@ static int device_check(ppa_struct *dev)
982 return -ENODEV; 982 return -ENODEV;
983} 983}
984 984
985static int ppa_adjust_queue(struct scsi_device *device)
986{
987 blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
988 return 0;
989}
990
985static struct scsi_host_template ppa_template = { 991static struct scsi_host_template ppa_template = {
986 .module = THIS_MODULE, 992 .module = THIS_MODULE,
987 .proc_name = "ppa", 993 .proc_name = "ppa",
@@ -997,6 +1003,7 @@ static struct scsi_host_template ppa_template = {
997 .cmd_per_lun = 1, 1003 .cmd_per_lun = 1,
998 .use_clustering = ENABLE_CLUSTERING, 1004 .use_clustering = ENABLE_CLUSTERING,
999 .can_queue = 1, 1005 .can_queue = 1,
1006 .slave_alloc = ppa_adjust_queue,
1000}; 1007};
1001 1008
1002/*************************************************************************** 1009/***************************************************************************