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.
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