LU-5092 nodemap: save id maps to targets in new index file

[fs/lustre-release.git] / lustre / obdclass / dt_object.c

diff --git a/lustre/obdclass/dt_object.c b/lustre/obdclass/dt_object.c
index 65649be..2c13a3c 100644 (file)
--- a/lustre/obdclass/dt_object.c
+++ b/lustre/obdclass/dt_object.c
@@ -48,7 +48,7 @@
 #include <libcfs/list.h>
 /* fid_be_to_cpu() */
 #include <lustre_fid.h>
-
+#include <lustre_nodemap.h>
 #include <lustre_quota.h>
 
 /* context key constructor/destructor: dt_global_key_init, dt_global_key_fini */
@@ -636,6 +636,17 @@ const struct dt_index_features dt_quota_slv_features = {
 };
 EXPORT_SYMBOL(dt_quota_slv_features);
 
+/* nodemap files, nodemap_rec size asserted in nodemap_storage.c */
+const struct dt_index_features dt_nodemap_features = {
+       .dif_flags              = DT_IND_UPDATE,
+       .dif_keysize_min        = sizeof(__u64), /* 64-bit nodemap/record id */
+       .dif_keysize_max        = sizeof(__u64), /* 64-bit nodemap/record id */
+       .dif_recsize_min        = sizeof(union nodemap_rec), /* 32 bytes */
+       .dif_recsize_max        = sizeof(union nodemap_rec), /* 32 bytes */
+       .dif_ptrsize            = 4
+};
+EXPORT_SYMBOL(dt_nodemap_features);
+
 /* helper function returning what dt_index_features structure should be used
  * based on the FID sequence. This is used by OBD_IDX_READ RPC */
 static inline const struct dt_index_features *dt_index_feat_select(__u64 seq,