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| author | Chandra Seetharaman | 2009-10-21 18:22:46 +0200 |
|---|---|---|
| committer | James Bottomley | 2009-12-04 19:00:46 +0100 |
| commit | 3ae31f6a7b6e442fc6a92f29330fbad230dc3992 (patch) | |
| tree | 9ca152ac3412de2917c0486b64898e6a75f853d9 /drivers/scsi/device_handler/scsi_dh_rdac.c | |
| parent | [SCSI] zfcp: Adapt change_queue_depth for queue full tracking (diff) | |
| download | kernel-qcow2-linux-3ae31f6a7b6e442fc6a92f29330fbad230dc3992.tar.gz kernel-qcow2-linux-3ae31f6a7b6e442fc6a92f29330fbad230dc3992.tar.xz kernel-qcow2-linux-3ae31f6a7b6e442fc6a92f29330fbad230dc3992.zip | |
[SCSI] scsi_dh: Change the scsidh_activate interface to be asynchronous
Make scsi_dh_activate() function asynchronous, by taking in two additional
parameters, one is the callback function and the other is the data to call
the callback function with.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/device_handler/scsi_dh_rdac.c')
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_rdac.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 268189d31d9c..be362adbd8e7 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -568,7 +568,8 @@ done: return err; } -static int rdac_activate(struct scsi_device *sdev) +static int rdac_activate(struct scsi_device *sdev, + activate_complete fn, void *data) { struct rdac_dh_data *h = get_rdac_data(sdev); int err = SCSI_DH_OK; @@ -580,7 +581,9 @@ static int rdac_activate(struct scsi_device *sdev) if (h->lun_state == RDAC_LUN_UNOWNED) err = send_mode_select(sdev, h); done: - return err; + if (fn) + fn(data, err); + return 0; } static int rdac_prep_fn(struct scsi_device *sdev, struct request *req) |