On 09/20/2011 06:10 PM, Dan Williams wrote:
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
Cc: Tejun Heo<tj@xxxxxxxxxx>
Cc: Xiangliang Yu<yuxiangl@xxxxxxxxxxx>
Cc: Jack Wang<jack_wang@xxxxxxxxx>
Cc: Mark Salyzyn<msalyzyn@xxxxxxxxxxxxxx>
Signed-off-by: Dan Williams<dan.j.williams@xxxxxxxxx>
---
drivers/ata/libata-core.c | 1 +
drivers/ata/libata-scsi.c | 44 +++++++++++++++++++++++------------
drivers/scsi/libsas/sas_scsi_host.c | 11 ++++++++-
include/linux/libata.h | 2 ++
4 files changed, 42 insertions(+), 16 deletions(-)
Acked-by: Jeff Garzik <jgarzik@xxxxxxxxxx>
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