LU-5092 nodemap: save nodemaps to targets for caching

[fs/lustre-release.git] / lustre / ptlrpc / nodemap_internal.h

diff --git a/lustre/ptlrpc/nodemap_internal.h b/lustre/ptlrpc/nodemap_internal.h
index 991564f..5d75fd7 100644 (file)
--- a/lustre/ptlrpc/nodemap_internal.h
+++ b/lustre/ptlrpc/nodemap_internal.h
@@ -35,6 +35,12 @@
 
 #define DEFAULT_NODEMAP "default"
 
+/* Turn on proc debug interface to allow OSS and
+ * MDS nodes to configure nodemap independently of
+ * MGS (since the nodemap distribution is not written
+ * yet */
+#define NODEMAP_PROC_DEBUG 1
+
 /* Default nobody uid and gid values */
 
 #define NODEMAP_NOBODY_UID 99
@@ -72,34 +78,6 @@ struct lu_idmap {
        struct rb_node  id_fs_to_client;
 };
 
-struct nodemap_range_tree {
-       struct interval_node *nmrt_range_interval_root;
-       unsigned int nmrt_range_highest_id;
-};
-
-struct nodemap_config {
-       /* Highest numerical lu_nodemap.nm_id defined */
-       unsigned int nmc_nodemap_highest_id;
-
-       /* Simple flag to determine if nodemaps are active */
-       bool nmc_nodemap_is_active;
-
-       /* Pointer to default nodemap as it is needed more often */
-       struct lu_nodemap *nmc_default_nodemap;
-
-       /**
-        * Lock required to access the range tree.
-        */
-       struct rw_semaphore nmc_range_tree_lock;
-       struct nodemap_range_tree nmc_range_tree;
-
-       /**
-        * Hash keyed on nodemap name containing all
-        * nodemaps
-        */
-       struct cfs_hash *nmc_nodemap_hash;
-};
-
 /* first 4 bits of the nodemap_id is the index type */
 struct nodemap_key {
        __u32 nk_nodemap_id;
@@ -132,8 +110,6 @@ static inline __u32 nm_idx_set_type(unsigned int id, enum nodemap_idx_type t)
        return (id & NM_TYPE_MASK) | (t << NM_TYPE_SHIFT);
 }
 
-struct nodemap_config *nodemap_config_alloc(void);
-void nodemap_config_dealloc(struct nodemap_config *config);
 void nodemap_config_set_active(struct nodemap_config *config);
 struct lu_nodemap *nodemap_create(const char *name,
                                  struct nodemap_config *config,
@@ -180,6 +156,7 @@ void nm_member_delete_list(struct lu_nodemap *nodemap);
 struct lu_nodemap *nodemap_classify_nid(lnet_nid_t nid);
 void nm_member_reclassify_nodemap(struct lu_nodemap *nodemap);
 void nm_member_revoke_locks(struct lu_nodemap *nodemap);
+void nm_member_revoke_locks_always(struct lu_nodemap *nodemap);
 void nm_member_revoke_all(void);
 
 int nodemap_add_idmap_helper(struct lu_nodemap *nodemap,
@@ -192,7 +169,11 @@ int nodemap_add_range_helper(struct nodemap_config *config,
 
 struct rb_node *nm_rb_next_postorder(const struct rb_node *node);
 struct rb_node *nm_rb_first_postorder(const struct rb_root *root);
+void nodemap_getref(struct lu_nodemap *nodemap);
 void nodemap_putref(struct lu_nodemap *nodemap);
+int nm_hash_list_cb(struct cfs_hash *hs, struct cfs_hash_bd *bd,
+                   struct hlist_node *hnode,
+                   void *nodemap_list_head);
 
 #define nm_rbtree_postorder_for_each_entry_safe(pos, n,                        \
                                                root, field)            \