LU-6401 headers: Create single .h for lu_seq_range

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

diff --git a/lustre/include/lustre_fld.h b/lustre/include/lustre_fld.h
index e9f35a1..bc8eb89 100644 (file)
--- a/lustre/include/lustre_fld.h
+++ b/lustre/include/lustre_fld.h
@@ -27,7 +27,7 @@
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -44,6 +44,7 @@
 
 #include <lustre/lustre_idl.h>
 #include <libcfs/libcfs.h>
+#include <lustre/seq_range.h>
 
 struct lu_env;
 struct lu_client_fld;
@@ -63,7 +64,7 @@ enum {
 };
 
 struct lu_fld_target {
-       cfs_list_t              ft_chain;
+       struct list_head        ft_chain;
        struct obd_export      *ft_exp;
        struct lu_server_fld   *ft_srv;
        __u64                   ft_idx;
@@ -72,7 +73,7 @@ struct lu_fld_target {
 struct lu_server_fld {
         /**
          * Fld dir proc entry. */
-        cfs_proc_dir_entry_t    *lsf_proc_dir;
+       struct proc_dir_entry   *lsf_proc_dir;
 
         /**
          * /fld file object device */
@@ -95,16 +96,28 @@ struct lu_server_fld {
          * Fld service name in form "fld-srv-lustre-MDTXXX" */
         char                     lsf_name[80];
 
+       int (*lsf_seq_lookup)(const struct lu_env *env,
+                             struct lu_server_fld *fld, u64 seq,
+                             struct lu_seq_range *range);
+
+       /**
+        * Just reformatted or upgraded, and this flag is being
+        * used to check whether the local FLDB is needs to be
+        * synced with global FLDB(in MDT0), and it is only needed
+        * if the MDT is upgraded from < 2.6 to 2.6, i.e. when the
+        * local FLDB is being invited */
+       unsigned int             lsf_new:1;
+
 };
 
 struct lu_client_fld {
-        /**
-         * Client side proc entry. */
-        cfs_proc_dir_entry_t    *lcf_proc_dir;
+       /**
+        * Client side proc entry. */
+       struct proc_dir_entry   *lcf_proc_dir;
 
-        /**
-         * List of exports client FLD knows about. */
-        cfs_list_t               lcf_targets;
+       /**
+        * List of exports client FLD knows about. */
+       struct list_head        lcf_targets;
 
         /**
          * Current hash to be used to chose an export. */
@@ -125,17 +138,11 @@ struct lu_client_fld {
         /**
          * Client fld proc entry name. */
         char                     lcf_name[80];
-
-       int                      lcf_flags;
 };
 
-struct com_thread_info;
-int fld_query(struct com_thread_info *info);
-
 /* Server methods */
 int fld_server_init(const struct lu_env *env, struct lu_server_fld *fld,
-                   struct dt_device *dt, const char *prefix, int mds_node_id,
-                   int type);
+                   struct dt_device *dt, const char *prefix, int type);
 
 void fld_server_fini(const struct lu_env *env, struct lu_server_fld *fld);
 
@@ -154,7 +161,13 @@ int fld_insert_entry(const struct lu_env *env,
                     const struct lu_seq_range *range);
 
 int fld_server_lookup(const struct lu_env *env, struct lu_server_fld *fld,
-                     seqno_t seq, struct lu_seq_range *range);
+                     u64 seq, struct lu_seq_range *range);
+
+int fld_local_lookup(const struct lu_env *env, struct lu_server_fld *fld,
+                    u64 seq, struct lu_seq_range *range);
+
+int fld_update_from_controller(const struct lu_env *env,
+                              struct lu_server_fld *fld);
 
 /* Client methods */
 int fld_client_init(struct lu_client_fld *fld,
@@ -164,15 +177,14 @@ void fld_client_fini(struct lu_client_fld *fld);
 
 void fld_client_flush(struct lu_client_fld *fld);
 
-int fld_client_lookup(struct lu_client_fld *fld, seqno_t seq, mdsno_t *mds,
+int fld_client_lookup(struct lu_client_fld *fld, u64 seq, u32 *mds,
                       __u32 flags, const struct lu_env *env);
 
 int fld_client_create(struct lu_client_fld *fld,
                       struct lu_seq_range *range,
                       const struct lu_env *env);
 
-int fld_client_delete(struct lu_client_fld *fld,
-                      seqno_t seq,
+int fld_client_delete(struct lu_client_fld *fld, u64 seq,
                       const struct lu_env *env);
 
 int fld_client_add_target(struct lu_client_fld *fld,