LU-8900 snapshot: new config for MDT write barrier

[fs/lustre-release.git] / lustre / include / lustre / lustre_idl.h

diff --git a/lustre/include/lustre/lustre_idl.h b/lustre/include/lustre/lustre_idl.h
index 101d6b9..99d5e3a 100644 (file)
--- a/lustre/include/lustre/lustre_idl.h
+++ b/lustre/include/lustre/lustre_idl.h
@@ -654,11 +654,7 @@ struct ptlrpc_body_v2 {
 #define OBD_CONNECT_TRUNCLOCK           0x400ULL /*locks on server for punch */
 #define OBD_CONNECT_TRANSNO             0x800ULL /*replay sends init transno */
 #define OBD_CONNECT_IBITS              0x1000ULL /*support for inodebits locks*/
-#define OBD_CONNECT_JOIN               0x2000ULL /*files can be concatenated.
-                                                  *We do not support JOIN FILE
-                                                  *anymore, reserve this flags
-                                                  *just for preventing such bit
-                                                  *to be reused.*/
+#define OBD_CONNECT_BARRIER           0x2000ULL /* write barrier */
 #define OBD_CONNECT_ATTRFID            0x4000ULL /*Server can GetAttr By Fid*/
 #define OBD_CONNECT_NODEVOH            0x8000ULL /*No open hndl on specl nodes*/
 #define OBD_CONNECT_RMT_CLIENT        0x10000ULL /* Remote client, never used
@@ -800,7 +796,7 @@ struct ptlrpc_body_v2 {
 #define MGS_CONNECT_SUPPORTED  (OBD_CONNECT_VERSION | OBD_CONNECT_AT | \
                                OBD_CONNECT_FULL20 | OBD_CONNECT_IMP_RECOV | \
                                OBD_CONNECT_MNE_SWAB | OBD_CONNECT_PINGLESS |\
-                               OBD_CONNECT_BULK_MBITS)
+                               OBD_CONNECT_BULK_MBITS | OBD_CONNECT_BARRIER)
 
 #define MGS_CONNECT_SUPPORTED2 0
 
@@ -2209,8 +2205,21 @@ typedef union ldlm_wire_policy_data {
        struct ldlm_inodebits   l_inodebits;
 } ldlm_wire_policy_data_t;
 
+struct barrier_lvb {
+       __u32   lvb_status;
+       __u32   lvb_index;
+       __u64   lvb_padding;
+};
+
+struct ldlm_gl_barrier_desc {
+       __u32   lgbd_status;
+       __u32   lgbd_timeout;
+       __u64   lgbd_padding;
+};
+
 union ldlm_gl_desc {
        struct ldlm_gl_lquota_desc      lquota_desc;
+       struct ldlm_gl_barrier_desc     barrier_desc;
 };
 
 enum ldlm_intent_flags {