[SCSI] sd: fix array cache flushing bug causing performance problems

[cascardo/linux.git] / drivers / scsi / sd.h

diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 74a1e4c..2386aeb 100644 (file)
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -73,6 +73,7 @@ struct scsi_disk {
        u8              protection_type;/* Data Integrity Field */
        u8              provisioning_mode;
        unsigned        ATO : 1;        /* state of disk ATO bit */
+       unsigned        cache_override : 1; /* temp override of WCE,RCD */
        unsigned        WCE : 1;        /* state of disk WCE bit */
        unsigned        RCD : 1;        /* state of disk RCD bit, unused */
        unsigned        DPOFUA : 1;     /* state of disk DPOFUA bit */