--- Alan Cox <[email protected]> wrote:
> On Gwe, 2006-01-06 at 09:33 -0500, Salyzyn, Mark wrote:
> > The dpt_i2o driver (which is a scsi driver) accepts the
> > SYNCHRONIZE_CACHE scsi command and passes it off to the firmware. The
> > firmware respects this and flushes all the outstanding (cached)
> > commands. This is true in all (kernel.org or Adaptec latest) versions.
>
> In which case it should be fine and correct with the generic i2o_scsi as
> well as that will pass through SCSI command requests directly. i2o_block
> doesn't know about converting any incoming cache flush to an i2o command
> block so might not.
>
> Alan
>
Won't the i2o_block driver use i2o_block_device_flush to flush the devices' cache (by issuing a
I2O_CMD_BLOCK_CFLUSH), or this this function used in some very different context?
Oddly enough, I see I2O_CMD_BLOCK_CFLISH #define'd to 0x37 in both the i2o driver
(include/linux/i2o.h), AND in the dpt driver (drivers/scsi/dpt/dpti_i2o.h). However, I do not see
the dpt driver using this value anywhere.
-Kenny
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