On Sat, 2008-01-26 at 19:49 +0100, Stefan Richter wrote: > On commit 465ff3185e0cb76d46137335a4d21d0d9d3ac8a2: > > This patch relaxes the default SCSI DMA alignment from 512 bytes to 4 > > bytes. I remember from previous discussions that usb and firewire have > > sector size alignment requirements, so I upped their alignments in the > > respective slave allocs. > [...] > > drivers/ata/libata-scsi.c | 5 ++++- > > drivers/firewire/fw-sbp2.c | 6 ++++++ > > drivers/ieee1394/sbp2.c | 6 ++++++ > > drivers/scsi/scsi_lib.c | 8 ++++++++ > > drivers/usb/storage/scsiglue.c | 20 ++++++++++---------- > > 5 files changed, 34 insertions(+), 11 deletions(-) > > No, FireWire only requires 4 bytes alignment. > > I will channel a reversion of the firewire and ieee1394 hunks through > linux1394-2.6.git for 2.6.26. Don't revert, just put the numbers down to 4 (just in case someone decides to lower the default SCSI alignment down from four ...). James - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
