LU-3677 mdt: Set HSM dirty open-for-write file when evicted.

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

diff --git a/lustre/include/lustre_fld.h b/lustre/include/lustre_fld.h
index 7189d2b..48856d3 100644 (file)
--- a/lustre/include/lustre_fld.h
+++ b/lustre/include/lustre_fld.h
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -29,7 +27,7 @@
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -45,18 +43,16 @@
  */
 
 #include <lustre/lustre_idl.h>
-#include <lustre_mdt.h>
-#include <dt_object.h>
-
 #include <libcfs/libcfs.h>
 
+struct lu_env;
 struct lu_client_fld;
 struct lu_server_fld;
 struct lu_fld_hash;
 struct fld_cache;
-
-extern const struct dt_index_features fld_index_features;
-extern const char fld_index_name[];
+struct thandle;
+struct dt_device;
+struct dt_object;
 
 /*
  * FLD (Fid Location Database) interface.
@@ -66,12 +62,11 @@ enum {
         LUSTRE_CLI_FLD_HASH_RRB
 };
 
-
 struct lu_fld_target {
-        cfs_list_t               ft_chain;
-        struct obd_export       *ft_exp;
-        struct lu_server_fld    *ft_srv;
-        __u64                    ft_idx;
+       cfs_list_t              ft_chain;
+       struct obd_export      *ft_exp;
+       struct lu_server_fld   *ft_srv;
+       __u64                   ft_idx;
 };
 
 struct lu_server_fld {
@@ -94,11 +89,12 @@ struct lu_server_fld {
 
         /**
          * Protect index modifications */
-        cfs_mutex_t              lsf_lock;
+       struct mutex            lsf_lock;
 
         /**
          * Fld service name in form "fld-srv-lustre-MDTXXX" */
         char                     lsf_name[80];
+
 };
 
 struct lu_client_fld {
@@ -120,7 +116,7 @@ struct lu_client_fld {
 
         /**
          * Lock protecting exports list and fld_hash. */
-        cfs_spinlock_t           lcf_lock;
+       spinlock_t               lcf_lock;
 
         /**
          * Client FLD cache. */
@@ -130,49 +126,32 @@ struct lu_client_fld {
          * Client fld proc entry name. */
         char                     lcf_name[80];
 
-        const struct lu_context *lcf_ctx;
-
-        int                      lcf_flags;
+       int                      lcf_flags;
 };
 
-/**
- * number of blocks to reserve for particular operations. Should be function of
- * ... something. Stub for now.
- */
-enum {
-        /* one insert operation can involve two delete and one insert */
-        FLD_TXN_INDEX_INSERT_CREDITS  = 60,
-        FLD_TXN_INDEX_DELETE_CREDITS  = 20,
-};
+/* 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);
 
-int fld_query(struct com_thread_info *info);
+void fld_server_fini(const struct lu_env *env, struct lu_server_fld *fld);
 
-/* Server methods */
-int fld_server_init(struct lu_server_fld *fld,
-                    struct dt_device *dt,
-                    const char *prefix,
-                    const struct lu_env *env,
-                    int mds_node_id);
-
-void fld_server_fini(struct lu_server_fld *fld,
-                     const struct lu_env *env);
-
-int fld_declare_server_create(struct lu_server_fld *fld,
-                              const struct lu_env *env,
-                              struct thandle *th);
-
-int fld_server_create(struct lu_server_fld *fld,
-                      const struct lu_env *env,
-                      struct lu_seq_range *add_range,
-                      struct thandle *th);
-
-int fld_server_delete(struct lu_server_fld *fld,
-                      const struct lu_env *env,
-                      struct lu_seq_range *range);
-
-int fld_server_lookup(struct lu_server_fld *fld,
-                      const struct lu_env *env,
-                      seqno_t seq, struct lu_seq_range *range);
+int fld_declare_server_create(const struct lu_env *env,
+                             struct lu_server_fld *fld,
+                             const struct lu_seq_range *range,
+                             struct thandle *th);
+
+int fld_server_create(const struct lu_env *env,
+                     struct lu_server_fld *fld,
+                     const struct lu_seq_range *add_range,
+                     struct thandle *th);
+
+int fld_insert_entry(const struct lu_env *env,
+                    struct lu_server_fld *fld,
+                    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);
 
 /* Client methods */
 int fld_client_init(struct lu_client_fld *fld,