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| author |   Christoph Hellwig <hch@lst.de> | 2014-10-02 14:39:55 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-11-12 11:19:39 +0100 |
| commit | a62182f338b39a22035531c6afc0a8d2928b1df2 (patch) | |
| tree | 57ca6cea82a09d2655daf5c161024c5015373646 /drivers/scsi/mpt3sas | |
| parent | scsi: handle more device handler setup/teardown in common code (diff) | |
| download | linux-dev-a62182f338b39a22035531c6afc0a8d2928b1df2.tar.xz linux-dev-a62182f338b39a22035531c6afc0a8d2928b1df2.zip | |
scsi: provide a generic change_queue_type method
Most drivers use exactly the same implementation, so provide it as a
library function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Diffstat (limited to 'drivers/scsi/mpt3sas')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 857276b8880f..52464ace282b 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -1123,29 +1123,6 @@ _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) } /** - * _scsih_change_queue_type - changing device queue tag type - * @sdev: scsi device struct - * @tag_type: requested tag type - * - * Returns queue tag type. - */ -static int -_scsih_change_queue_type(struct scsi_device *sdev, int tag_type) -{ - if (sdev->tagged_supported) { - scsi_set_tag_type(sdev, tag_type); - if (tag_type) - scsi_activate_tcq(sdev, sdev->queue_depth); - else - scsi_deactivate_tcq(sdev, sdev->queue_depth); - } else - tag_type = 0; - - return tag_type; -} - - -/** * _scsih_target_alloc - target add routine * @starget: scsi target struct * @@ -7284,7 +7261,7 @@ static struct scsi_host_template scsih_driver_template = { .scan_finished = _scsih_scan_finished, .scan_start = _scsih_scan_start, .change_queue_depth = _scsih_change_queue_depth, - .change_queue_type = _scsih_change_queue_type, + .change_queue_type = scsi_change_queue_type, .eh_abort_handler = _scsih_abort, .eh_device_reset_handler = _scsih_dev_reset, .eh_target_reset_handler = _scsih_target_reset, |