[PATCH] libata: return AC_ERR_* from issue functions
Return AC_ERR_* mask from issue fuctions instead of 0/-1. This
enables things like failing a qc with AC_ERR_HSM when the device
doesn't set DRDY when the qc is about to be issued.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index e03ce48..9d76923 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -45,7 +45,7 @@
struct ata_device *dev);
extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);
extern void ata_qc_free(struct ata_queued_cmd *qc);
-extern int ata_qc_issue(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);
extern void ata_dev_select(struct ata_port *ap, unsigned int device,
unsigned int wait, unsigned int can_sleep);