diff --git a/[refs] b/[refs]
index 93a9956bcfcb..6bd8bc6450af 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5595ddf98cb3bf2c18b3b96587a1a9b0b08c267a
+refs/heads/master: b666da35d900c26cbea1caa465649e2e0afa406c
diff --git a/trunk/drivers/ata/libata-scsi.c b/trunk/drivers/ata/libata-scsi.c
index 93bd36c19690..6ef5ecb917ce 100644
--- a/trunk/drivers/ata/libata-scsi.c
+++ b/trunk/drivers/ata/libata-scsi.c
@@ -1108,6 +1108,9 @@ static unsigned int ata_scsi_flush_xlat(struct ata_queued_cmd *qc)
 	else
 		tf->command = ATA_CMD_FLUSH;
 
+	/* flush is critical for IO integrity, consider it an IO command */
+	qc->flags |= ATA_QCFLAG_IO;
+
 	return 0;
 }