dan.j.williams@intel.com> 1316556633 -0700
committer James Bottomley <JBottomley@Parallels.com> 1317576630 -0500

[SCSI] libsas,libata: fix ->change_queue_{depth|type} for sata devices

Pass queue_depth change requests to libata, and prevent queue_type
changes for ATA devices.

Otherwise:
1/ we do not honor the libata specific restrictions on the queue depth
2/ libsas drivers that do not set sdev->tagged_supported are unable to
   change the queue_depth of ata devices via sysfs

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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