-/* -*- 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.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* @{
*/
-#include <lustre/lustre_idl.h>
-#include <lustre_mdt.h>
-#include <dt_object.h>
-
+#include <uapi/linux/lustre/lustre_idl.h>
#include <libcfs/libcfs.h>
+#include <seq_range.h>
+#include <lustre_fid.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;
+ struct list_head ft_chain;
+ struct obd_export *ft_exp;
+ struct lu_server_fld *ft_srv;
+ __u64 ft_idx;
};
struct lu_server_fld {
- /**
- * Fld dir proc entry. */
- cfs_proc_dir_entry_t *lsf_proc_dir;
+ /**
+ * Fld dir debugfs entry.
+ */
+ struct dentry *lsf_debugfs_entry;
/**
* /fld file object device */
/**
* Protect index modifications */
- cfs_mutex_t lsf_lock;
+ struct mutex lsf_lock;
+
+ /**
+ * Fld service name in form "fld-srv-lustre-MDTXXX"
+ */
+ char lsf_name[LUSTRE_MDT_MAXNAMELEN];
+
+ 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;
- /**
- * Fld service name in form "fld-srv-lustre-MDTXXX" */
- char lsf_name[80];
};
struct lu_client_fld {
- /**
- * Client side proc entry. */
- cfs_proc_dir_entry_t *lcf_proc_dir;
+ /**
+ * Client side debugfs entry.
+ */
+ struct dentry *lcf_debugfs_entry;
- /**
- * 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. */
/**
* Lock protecting exports list and fld_hash. */
- cfs_spinlock_t lcf_lock;
+ spinlock_t lcf_lock;
/**
* Client FLD cache. */
struct fld_cache *lcf_cache;
- /**
- * Client fld proc entry name. */
- char lcf_name[80];
-
- const struct lu_context *lcf_ctx;
-
- int lcf_flags;
+ /**
+ * Client fld debugfs entry name.
+ */
+ char lcf_name[LUSTRE_MDT_MAXNAMELEN];
};
-/**
- * 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 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);
+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);
-void fld_server_fini(struct lu_server_fld *fld,
- const struct lu_env *env);
+int fld_insert_entry(const struct lu_env *env,
+ struct lu_server_fld *fld,
+ const struct lu_seq_range *range);
-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_lookup(const struct lu_env *env, struct lu_server_fld *fld,
+ u64 seq, struct lu_seq_range *range);
-int fld_server_delete(struct lu_server_fld *fld,
- const struct lu_env *env,
- 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_server_lookup(struct lu_server_fld *fld,
- const struct lu_env *env,
- seqno_t 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,
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,
int fld_client_del_target(struct lu_client_fld *fld,
__u64 idx);
-void fld_client_proc_fini(struct lu_client_fld *fld);
+void fld_client_debugfs_fini(struct lu_client_fld *fld);
/** @} fld */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff