-/* -*- 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.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef __LINUX_FLD_H
#define __LINUX_FLD_H
-#include <lustre/lustre_idl.h>
-#include <lustre_mdt.h>
-#include <dt_object.h>
+/** \defgroup fld fld
+ *
+ * @{
+ */
+#include <lustre/lustre_idl.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.
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 {
/**
* 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 {
/**
* Lock protecting exports list and fld_hash. */
- cfs_spinlock_t lcf_lock;
+ spinlock_t lcf_lock;
/**
* Client FLD cache. */
* Client fld proc entry name. */
char lcf_name[80];
- const struct lu_context *lcf_ctx;
-
- 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,
+ int lcf_flags;
};
-int fld_query(struct com_thread_info *info);
-
/* 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);
+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);
+
+void fld_server_fini(const struct lu_env *env, struct lu_server_fld *fld);
-void fld_server_fini(struct lu_server_fld *fld,
- const struct lu_env *env);
+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(struct lu_server_fld *fld,
- const struct lu_env *env,
- struct lu_seq_range *add_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_server_delete(struct lu_server_fld *fld,
- const struct lu_env *env,
- struct lu_seq_range *range);
+int fld_insert_entry(const struct lu_env *env,
+ struct lu_server_fld *fld,
+ const 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_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,
void fld_client_flush(struct lu_client_fld *fld);
-int fld_client_lookup(struct lu_client_fld *fld,
- seqno_t seq, mdsno_t *mds,
- const struct lu_env *env);
+int fld_client_lookup(struct lu_client_fld *fld, seqno_t seq, mdsno_t *mds,
+ __u32 flags, const struct lu_env *env);
int fld_client_create(struct lu_client_fld *fld,
struct lu_seq_range *range,
int fld_client_del_target(struct lu_client_fld *fld,
__u64 idx);
+void fld_client_proc_fini(struct lu_client_fld *fld);
+
+/** @} fld */
+
#endif