On Fri, Jul 29 2005, Jeff Garzik wrote:
So, one thing that's terribly ugly about SATA ATAPI is that we need to
pad DMA transfers to the next 32-bit boundary, if the length is not
evenly divisible by 4.
Messing with the scatterlist to accomplish this is terribly ugly
no matter how you
Jens Axboe wrote:
On Fri, Jul 29 2005, Jeff Garzik wrote:
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -44,7 +44,7 @@
enum {
AHCI_PCI_BAR= 5,
- AHCI_MAX_SG = 168, /* hardware max is 64K */
+
On Gwe, 2005-07-29 at 01:06 -0400, Jeff Garzik wrote:
So, one thing that's terribly ugly about SATA ATAPI is that we need to
pad DMA transfers to the next 32-bit boundary, if the length is not
evenly divisible by 4.
Looks good and avoids the special case leaking into the core code.
So, one thing that's terribly ugly about SATA ATAPI is that we need to
pad DMA transfers to the next 32-bit boundary, if the length is not
evenly divisible by 4.
Messing with the scatterlist to accomplish this is terribly ugly
no matter how you slice it. One way would be to create my own
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