Jeff Garzik wrote: > Brian King wrote: >> Since SATA devices attached to SAS HBAs will not have >> a host_set, add a helper function to retrieve the host_set >> flags which can check for the existence of a host_set. >> >> Signed-off-by: Brian King <brking@xxxxxxxxxx> >> --- >> >> libata-dev-bjking1/drivers/scsi/libata-core.c | 7 +++---- >> libata-dev-bjking1/include/linux/libata.h | 7 +++++++ >> 2 files changed, 10 insertions(+), 4 deletions(-) >> >> diff -puN drivers/scsi/libata-core.c~libata_sas_no_simplex drivers/scsi/libata-core.c >> --- libata-dev/drivers/scsi/libata-core.c~libata_sas_no_simplex 2006-06-06 08:55:43.000000000 -0500 >> +++ libata-dev-bjking1/drivers/scsi/libata-core.c 2006-06-06 08:55:43.000000000 -0500 >> @@ -2161,7 +2161,7 @@ int ata_set_mode(struct ata_port *ap, st >> /* Record simplex status. If we selected DMA then the other >> * host channels are not permitted to do so. >> */ >> - if (used_dma && (ap->host_set->flags & ATA_HOST_SIMPLEX)) >> + if (used_dma && (ata_host_flags(ap) & ATA_HOST_SIMPLEX)) > > I'm not sure I like this one. Will have to think a bit more on this -- > there might be a need for ipr to carry some cross-port libata state. I can't think of any need at this point. Would it be reasonable to go ahead with this change and add in the support for a cross-port libata state if and when such a need comes along? -- Brian King eServer Storage I/O IBM Linux Technology Center - : send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
