diff options
| author | Moger, Babu <Babu.Moger@lsi.com> | 2009-09-04 03:42:15 (GMT) |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-09-12 14:35:30 (GMT) |
| commit | 87b79a53277c21a2de07106d0affa857bd79e1bb (patch) | |
| tree | 37dc1891b21b09c06fc58bda3d6cbb2dd8d307c3 /drivers/scsi | |
| parent | e71044ee2efa4792e21d243b03d49006db66aec9 (diff) | |
| download | linux-fsl-qoriq-87b79a53277c21a2de07106d0affa857bd79e1bb.tar.xz | |
[SCSI] scsi_dh_rdac: move the init code from rdac_activate to rdac_bus_attach
Moving the initialization code from rdac_activate to rdac_bus_attach which is
more efficient. We don't have to collect all the information during every
activate.
Signed-off-by: Babu Moger <babu.moger@lsi.com>
Reviewed-by: Vijay Chauhan <vijay.chauhan@lsi.com>
Reviewed-by: Bob Stankey <Robert.stankey@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_rdac.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 8b9e143..c5e4476 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -525,17 +525,6 @@ static int rdac_activate(struct scsi_device *sdev) if (err != SCSI_DH_OK) goto done; - if (!h->ctlr) { - err = initialize_controller(sdev, h); - if (err != SCSI_DH_OK) - goto done; - } - - if (h->ctlr->use_ms10 == -1) { - err = set_mode_select(sdev, h); - if (err != SCSI_DH_OK) - goto done; - } if (h->lun_state == RDAC_LUN_UNOWNED) err = send_mode_select(sdev, h); done: @@ -681,12 +670,20 @@ static int rdac_bus_attach(struct scsi_device *sdev) if (err != SCSI_DH_OK) goto failed; - err = check_ownership(sdev, h); + err = initialize_controller(sdev, h); if (err != SCSI_DH_OK) goto failed; + err = check_ownership(sdev, h); + if (err != SCSI_DH_OK) + goto clean_ctlr; + + err = set_mode_select(sdev, h); + if (err != SCSI_DH_OK) + goto clean_ctlr; + if (!try_module_get(THIS_MODULE)) - goto failed; + goto clean_ctlr; spin_lock_irqsave(sdev->request_queue->queue_lock, flags); sdev->scsi_dh_data = scsi_dh_data; @@ -698,6 +695,9 @@ static int rdac_bus_attach(struct scsi_device *sdev) return 0; +clean_ctlr: + kref_put(&h->ctlr->kref, release_controller); + failed: kfree(scsi_dh_data); sdev_printk(KERN_ERR, sdev, "%s: not attached\n", |