LU-2017 mdc: add layout swap between 2 objects

[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 0b2adb4..553d6cc 100644 (file)
--- a/lustre/include/lustre/lustre_idl.h
+++ b/lustre/include/lustre/lustre_idl.h
@@ -1870,6 +1870,7 @@ typedef enum {
        MDS_HSM_REQUEST         = 58,
        MDS_HSM_CT_REGISTER     = 59,
        MDS_HSM_CT_UNREGISTER   = 60,
+       MDS_SWAP_LAYOUTS        = 61,
        MDS_LAST_OPC
 } mds_cmd_t;
 
@@ -3444,5 +3445,14 @@ struct update_reply {
 void lustre_swab_update_buf(struct update_buf *ub);
 void lustre_swab_update_reply_buf(struct update_reply *ur);
 
+/** layout swap request structure
+ * fid1 and fid2 are in mdt_body
+ */
+struct mdc_swap_layouts {
+       __u64           msl_flags;
+} __packed;
+
+void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl);
+
 #endif
 /** @} lustreidl */