summaryrefslogtreecommitdiffstats
path: root/drivers/block/drbd/drbd_int.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
-rw-r--r--drivers/block/drbd/drbd_int.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 2119d9b02eb..c57cedb55f8 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -327,6 +327,8 @@ extern unsigned int drbd_header_size(struct drbd_tconn *tconn);
#define DP_FUA 16 /* equals REQ_FUA */
#define DP_FLUSH 32 /* equals REQ_FLUSH */
#define DP_DISCARD 64 /* equals REQ_DISCARD */
+#define DP_SEND_RECEIVE_ACK 128 /* This is a proto B write request */
+#define DP_SEND_WRITE_ACK 256 /* This is a proto C write request */
struct p_data {
u64 sector; /* 64 bits sector number */
@@ -656,6 +658,9 @@ enum {
/* Conflicting local requests need to be restarted after this request */
__EE_RESTART_REQUESTS,
+
+ /* The peer wants a write ACK for this (wire proto C) */
+ __EE_SEND_WRITE_ACK,
};
#define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO)
#define EE_MAY_SET_IN_SYNC (1<<__EE_MAY_SET_IN_SYNC)
@@ -663,6 +668,7 @@ enum {
#define EE_WAS_ERROR (1<<__EE_WAS_ERROR)
#define EE_HAS_DIGEST (1<<__EE_HAS_DIGEST)
#define EE_RESTART_REQUESTS (1<<__EE_RESTART_REQUESTS)
+#define EE_SEND_WRITE_ACK (1<<__EE_SEND_WRITE_ACK)
/* flag bits per mdev */
enum {