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| author | Randy.Dunlap <rdunlap@xenotime.net> | 2006-05-19 10:11:02 -0700 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-05-19 16:45:00 -0500 |
| commit | 78a904b65420e02bf964af6a83c1fd7a85e0b59d (patch) | |
| tree | 3a2a6f6b38f3ffd9705b939ea0ef8ff0ca543b54 /drivers/scsi/ppa.c | |
| parent | 4ff42a669a9ad3eb8274da31c7baabd968c2d365 (diff) | |
| download | op-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.c | 7 |
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, }; /*************************************************************************** |
