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| author | Chandra Seetharaman <sekharan@us.ibm.com> | 2009-10-21 09:22:46 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-12-04 12:00:46 -0600 |
| commit | 3ae31f6a7b6e442fc6a92f29330fbad230dc3992 (patch) | |
| tree | 9ca152ac3412de2917c0486b64898e6a75f853d9 /drivers/scsi/device_handler/scsi_dh_hp_sw.c | |
| parent | 42e62a74377bcbb526565a31aa18da8f712b93ee (diff) | |
| download | kernel_samsung_smdk4412-3ae31f6a7b6e442fc6a92f29330fbad230dc3992.zip kernel_samsung_smdk4412-3ae31f6a7b6e442fc6a92f29330fbad230dc3992.tar.gz kernel_samsung_smdk4412-3ae31f6a7b6e442fc6a92f29330fbad230dc3992.tar.bz2 | |
[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_hp_sw.c')
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_hp_sw.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c index f7da753..0aacafc 100644 --- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c +++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c @@ -268,7 +268,8 @@ static int hp_sw_prep_fn(struct scsi_device *sdev, struct request *req) * activate the passive path (and deactivate the * previously active one). */ -static int hp_sw_activate(struct scsi_device *sdev) +static int hp_sw_activate(struct scsi_device *sdev, + activate_complete fn, void *data) { int ret = SCSI_DH_OK; struct hp_sw_dh_data *h = get_hp_sw_data(sdev); @@ -283,7 +284,9 @@ static int hp_sw_activate(struct scsi_device *sdev) HP_SW_NAME); } - return ret; + if (fn) + fn(data, ret); + return 0; } static const struct scsi_dh_devlist hp_sw_dh_data_list[] = { |