[PATCH] libata: implement port_task
Implement port_task. LLDD's can schedule a function to be executed
with context after specified delay. libata core takes care of
synchronization against EH. This is generalized form of pio_task and
packet_task which are tied to PIO hsm implementation.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index d822eba..f4c48c9 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -45,6 +45,7 @@
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
struct ata_device *dev);
extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);
+extern void ata_port_flush_task(struct ata_port *ap);
extern void ata_qc_free(struct ata_queued_cmd *qc);
extern unsigned int ata_qc_issue(struct ata_queued_cmd *qc);
extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);