In preparation for getting rid of util channel synchronization based on counting util channels, introduce state in struct vmbus_channel to track util services.
Signed-off-by: K. Y. Srinivasan <[email protected]> Signed-off-by: Haiyang Zhang <[email protected]> Signed-off-by: Abhishek Kane <[email protected]> Signed-off-by: Hank Janssen <[email protected]> --- drivers/staging/hv/channel_mgmt.c | 2 ++ drivers/staging/hv/hyperv.h | 5 +++++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c index e8c706c..1021713 100644 --- a/drivers/staging/hv/channel_mgmt.c +++ b/drivers/staging/hv/channel_mgmt.c @@ -419,6 +419,7 @@ static void vmbus_process_offer(struct work_struct *work) * can cleanup properly */ newchannel->state = CHANNEL_OPEN_STATE; + newchannel->util_index = -1; /* Invalid index */ /* Open IC channels */ for (cnt = 0; cnt < MAX_MSG_TYPES; cnt++) { @@ -430,6 +431,7 @@ static void vmbus_process_offer(struct work_struct *work) hv_cb_utils[cnt].callback, newchannel) == 0) { hv_cb_utils[cnt].channel = newchannel; + newchannel->util_index = cnt; pr_info("%s\n", hv_cb_utils[cnt].log_msg); diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h index 56af1ec..8b826a1 100644 --- a/drivers/staging/hv/hyperv.h +++ b/drivers/staging/hv/hyperv.h @@ -532,6 +532,11 @@ struct vmbus_channel { struct work_struct work; enum vmbus_channel_state state; + /* + * For util channels, stash the + * the service index for easy access. + */ + s8 util_index; struct vmbus_channel_offer_channel offermsg; /* -- 1.7.4.1 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
