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-rw-r--r--include/linux/pktcdvd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h
index 8a94c717c266..9b1a185fb1e5 100644
--- a/include/linux/pktcdvd.h
+++ b/include/linux/pktcdvd.h
@@ -112,6 +112,12 @@ struct pkt_ctrl_command {
#include <linux/completion.h>
#include <linux/cdrom.h>
+
+/* default bio write queue congestion marks */
+#define PKT_WRITE_CONGESTION_ON 10000
+#define PKT_WRITE_CONGESTION_OFF 9000
+
+
struct packet_settings
{
__u32 size; /* packet size in (512 byte) sectors */
@@ -271,6 +277,9 @@ struct pktcdvd_device
struct packet_iosched iosched;
struct gendisk *disk;
+
+ int write_congestion_off;
+ int write_congestion_on;
};
#endif /* __KERNEL__ */