From: Brian King Date: Fri, 15 Aug 2008 15:48:47 +0000 (-0500) Subject: [SCSI] ibmvscsi: Fixup desired DMA value for shared memory partitions X-Git-Tag: v2.6.27-rc4~33^2~6 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=004dd5e88673516a408f0e8e43edbe6a4424be2f;p=linux-2.6 [SCSI] ibmvscsi: Fixup desired DMA value for shared memory partitions When running ibmvscsi in a shared memory partition, it must provide a default value for the amount of DMA resources it will need in order to perform reasonably well. This was being calculated in sectors rather than bytes, as it should. This patch fixes this. Signed-off-by: Brian King Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 6b24b9cdb0..7b1502c0ab 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -1636,7 +1636,7 @@ static unsigned long ibmvscsi_get_desired_dma(struct vio_dev *vdev) unsigned long desired_io = max_requests * sizeof(union viosrp_iu); /* add io space for sg data */ - desired_io += (IBMVSCSI_MAX_SECTORS_DEFAULT * + desired_io += (IBMVSCSI_MAX_SECTORS_DEFAULT * 512 * IBMVSCSI_CMDS_PER_LUN_DEFAULT); return desired_io;