LU-6581 mdt: Transfer layout only if layout lock is granted

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

diff --git a/lustre/include/lustre_nodemap.h b/lustre/include/lustre_nodemap.h
index 61e9dc8..2e0cf6b 100644 (file)
--- a/lustre/include/lustre_nodemap.h
+++ b/lustre/include/lustre_nodemap.h
@@ -71,6 +71,8 @@ struct lu_nodemap {
        gid_t                   nm_squash_gid;
        /* NID range list */
        struct list_head        nm_ranges;
+       /* lock for idmap red/black trees */
+       rwlock_t                nm_idmap_lock;
        /* UID map keyed by local UID */
        struct rb_root          nm_fs_to_client_uidmap;
        /* UID map keyed by remote UID */
@@ -82,23 +84,26 @@ struct lu_nodemap {
        /* proc directory entry */
        struct proc_dir_entry   *nm_proc_entry;
        /* attached client members of this nodemap */
-       struct list_head        nm_exports;
+       cfs_hash_t              *nm_member_hash;
        /* access by nodemap name */
-       cfs_hlist_node_t        nm_hash;
+       struct hlist_node       nm_hash;
 };
 
 void nodemap_activate(const bool value);
 int nodemap_add(const char *nodemap_name);
 int nodemap_del(const char *nodemap_name);
 struct lu_nodemap *nodemap_classify_nid(lnet_nid_t nid);
+int nodemap_add_member(lnet_nid_t nid, struct obd_export *exp);
+void nodemap_del_member(struct obd_export *exp);
 int nodemap_parse_range(const char *range_string, lnet_nid_t range[2]);
-int nodemap_parse_idmap(const char *idmap_string, __u32 idmap[2]);
+int nodemap_parse_idmap(char *idmap_string, __u32 idmap[2]);
 int nodemap_add_range(const char *name, const lnet_nid_t nid[2]);
 int nodemap_del_range(const char *name, const lnet_nid_t nid[2]);
 int nodemap_set_allow_root(const char *name, bool allow_root);
 int nodemap_set_trust_client_ids(const char *name, bool trust_client_ids);
 int nodemap_set_squash_uid(const char *name, uid_t uid);
 int nodemap_set_squash_gid(const char *name, gid_t gid);
+bool nodemap_can_setquota(const struct lu_nodemap *nodemap);
 int nodemap_add_idmap(const char *name, enum nodemap_id_type id_type,
                      const __u32 map[2]);
 int nodemap_del_idmap(const char *name, enum nodemap_id_type id_type,
@@ -106,4 +111,6 @@ int nodemap_del_idmap(const char *name, enum nodemap_id_type id_type,
 __u32 nodemap_map_id(struct lu_nodemap *nodemap,
                     enum nodemap_id_type id_type,
                     enum nodemap_tree_type tree_type, __u32 id);
+ssize_t nodemap_map_acl(struct lu_nodemap *nodemap, void *buf, size_t size,
+                       enum nodemap_tree_type tree_type);
 #endif /* _LUSTRE_NODEMAP_H */