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scsi: remove ->change_queue_type method

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Since we got rid of ordered tag support in 2010 the prime use case of
switching on and off ordered tags has been obsolete.  The other function
of enabling/disabling tagging entirely has only been correctly implemented
by the 53c700 driver and isn't generally useful.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
This commit is contained in:
Christoph Hellwig
2014-11-24 15:36:18 +01:00
parent 79855d1785
commit efc3c1df5f
25 changed files with 4 additions and 171 deletions
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8
drivers/scsi/libsas/sas_scsi_host.c
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@@ -906,13 +906,6 @@ int sas_change_queue_depth(struct scsi_device *sdev, int depth)
return scsi_change_queue_depth(sdev, depth);
}
int sas_change_queue_type(struct scsi_device *scsi_dev, int type)
{
if (dev_is_sata(sdev_to_domain_dev(scsi_dev)))
return -EINVAL;
return scsi_change_queue_type(scsi_dev, type);
}
int sas_bios_param(struct scsi_device *scsi_dev,
struct block_device *bdev,
sector_t capacity, int *hsc)
@@ -1011,7 +1004,6 @@ EXPORT_SYMBOL_GPL(sas_queuecommand);
EXPORT_SYMBOL_GPL(sas_target_alloc);
EXPORT_SYMBOL_GPL(sas_slave_configure);
EXPORT_SYMBOL_GPL(sas_change_queue_depth);
EXPORT_SYMBOL_GPL(sas_change_queue_type);
EXPORT_SYMBOL_GPL(sas_bios_param);
EXPORT_SYMBOL_GPL(sas_task_abort);
EXPORT_SYMBOL_GPL(sas_phy_reset);