linux/drivers/scsi/libsas
Damien Le Moal 141f3d6256 ata: libata-sata: Fix device queue depth control
The function __ata_change_queue_depth() uses the helper
ata_scsi_find_dev() to get the ata_device structure of a scsi device and
set that device maximum queue depth. However, when the ata device is
managed by libsas, ata_scsi_find_dev() returns NULL, turning
__ata_change_queue_depth() into a nop, which prevents the user from
setting the maximum queue depth of ATA devices used with libsas based
HBAs.

Fix this by renaming __ata_change_queue_depth() to
ata_change_queue_depth() and adding a pointer to the ata_device
structure of the target device as argument. This pointer is provided by
ata_scsi_change_queue_depth() using ata_scsi_find_dev() in the case of
a libata managed device and by sas_change_queue_depth() using
sas_to_ata_dev() in the case of a libsas managed ata device.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: John Garry <john.garry@huawei.com>
2022-09-28 20:47:31 +09:00
..
Kconfig scsi: libsas: Drop BLK_DEV_BSGLIB selection 2021-07-27 00:06:42 -04:00
Makefile scsi: libsas: Allow libsas to include SCSI header files directly 2021-07-20 23:11:17 -04:00
sas_ata.c scsi: libsas: Refactor sas_ata_hard_reset() 2022-05-19 20:16:25 -04:00
sas_discover.c scsi: libsas: Use void for sas_discover_event() return code 2022-02-11 17:13:29 -05:00
sas_event.c scsi: libsas: Use bool for queue_work() return code 2022-02-27 21:48:30 -05:00
sas_expander.c scsi: libsas: Introduce struct smp_rps_resp 2022-06-10 13:08:06 -04:00
sas_host_smp.c scsi: libsas: Allow libsas to include SCSI header files directly 2021-07-20 23:11:17 -04:00
sas_init.c scsi: libsas: Resume SAS host for phy reset or enable via sysfs 2022-07-18 23:04:12 -04:00
sas_internal.h scsi: libsas: Introduce struct smp_rps_resp 2022-06-10 13:08:06 -04:00
sas_phy.c scsi: libsas: Allow libsas to include SCSI header files directly 2021-07-20 23:11:17 -04:00
sas_port.c scsi: libsas: Clean up sas_form_port() 2022-03-01 23:56:27 -05:00
sas_scsi_host.c ata: libata-sata: Fix device queue depth control 2022-09-28 20:47:31 +09:00
sas_task.c scsi: libsas: Use enum for response frame DATAPRES field 2022-02-19 15:59:34 -05:00