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-rw-r--r--include/linux/drbd.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 8723f2a99e15..15a14724a087 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -357,6 +357,13 @@ enum drbd_timeout_flag {
#define UUID_JUST_CREATED ((__u64)4)
+enum write_ordering_e {
+ WO_NONE,
+ WO_DRAIN_IO,
+ WO_BDEV_FLUSH,
+ WO_BIO_BARRIER
+};
+
/* magic numbers used in meta data and network packets */
#define DRBD_MAGIC 0x83740267
#define DRBD_MAGIC_BIG 0x835a