/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011 Whamcloud, Inc.
+ *
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _MDD_INTERNAL_H
#define _MDD_INTERNAL_H
-#include <asm/semaphore.h>
-
#include <lustre_acl.h>
#include <lustre_eacl.h>
#include <obd.h>
#include <dt_object.h>
#include <linux/sched.h>
#include <linux/capability.h>
-#include <linux/dynlocks.h>
#ifdef HAVE_QUOTA_SUPPORT
# include <lustre_quota.h>
#endif
}
#endif
+/* PDO lock is unnecessary for current MDT stack because operations
+ * are already protected by ldlm lock */
+#define MDD_DISABLE_PDO_LOCK 1
+
enum mdd_txn_op {
MDD_TXN_OBJECT_DESTROY_OP = 0,
MDD_TXN_OBJECT_CREATE_OP,
struct mdd_changelog {
cfs_spinlock_t mc_lock; /* for index */
- cfs_waitq_t mc_waitq;
int mc_flags;
int mc_mask;
__u64 mc_index;
MNLINK_OBJ = 1 << 4
};
-#define LUSTRE_APPEND_FL LDISKFS_APPEND_FL
-#define LUSTRE_IMMUTABLE_FL LDISKFS_IMMUTABLE_FL
-#define LUSTRE_DIRSYNC_FL LDISKFS_DIRSYNC_FL
-
enum mdd_object_role {
MOR_SRC_PARENT,
MOR_SRC_CHILD,
__u32 mod_valid;
__u64 mod_cltime;
unsigned long mod_flags;
+#ifndef MDD_DISABLE_PDO_LOCK
struct dynlock mod_pdlock;
+#endif
#ifdef CONFIG_LOCKDEP
/* "dep_map" name is assumed by lockdep.h macros. */
struct lockdep_map dep_map;
void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
struct lov_mds_md *lmm, int lmm_size,
const struct md_op_spec *spec);
+int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
+ struct lov_mds_md *lmm, struct ldlm_extent *extent,
+ struct lustre_handle *lockh);
+int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
+ struct lov_mds_md *lmm, struct lustre_handle *lockh);
int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
void *md, int *md_size, const char *name);
int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
struct md_attr *ma);
int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
struct md_attr *ma);
+int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj,
+ struct md_attr *ma);
int mdd_attr_get_internal_locked(const struct lu_env *env,
struct mdd_object *mdd_obj,
struct md_attr *ma);
void mdd_pdlock_init(struct mdd_object *obj);
unsigned long mdd_name2hash(const char *name);
-struct dynlock_handle *mdd_pdo_write_lock(const struct lu_env *env,
- struct mdd_object *obj,
- const char *name,
- enum mdd_object_role role);
-struct dynlock_handle *mdd_pdo_read_lock(const struct lu_env *env,
- struct mdd_object *obj,
- const char *name,
- enum mdd_object_role role);
+void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
+ const char *name, enum mdd_object_role role);
+void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
+ const char *name, enum mdd_object_role role);
void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
- struct dynlock_handle *dlh);
+ void *dlh);
void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
- struct dynlock_handle *dlh);
+ void *dlh);
/* mdd_dir.c */
int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
const struct lu_fid *fid, struct lu_fid *sfid);
int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
int mdd_readpage(const struct lu_env *env, struct md_object *obj,
const struct lu_rdpg *rdpg);
-
+int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
+ int flags, struct md_object *obj);
/* mdd_quota.c*/
#ifdef HAVE_QUOTA_SUPPORT
int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
/* mdd_trans.c */
void mdd_txn_param_build(const struct lu_env *env, struct mdd_device *mdd,
- enum mdd_txn_op);
+ enum mdd_txn_op, int changelog_cnt);
+int mdd_create_txn_param_build(const struct lu_env *env, struct mdd_device *mdd,
+ struct lov_mds_md *lmm, enum mdd_txn_op op,
+ int changelog_cnt);
int mdd_log_txn_param_build(const struct lu_env *env, struct md_object *obj,
- struct md_attr *ma, enum mdd_txn_op);
-int mdd_setattr_txn_param_build(const struct lu_env *env, struct md_object *obj,
- struct md_attr *ma, enum mdd_txn_op);
+ struct md_attr *ma, enum mdd_txn_op,
+ int changelog_cnt);
+void mdd_setattr_txn_param_build(const struct lu_env *env,
+ struct md_object *obj,
+ struct md_attr *ma, enum mdd_txn_op,
+ int changelog_cnt);
int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
struct mdd_object *obj, struct lu_attr *la);
int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
void *cookie);
-int mdd_txn_commit_cb(const struct lu_env *env, struct thandle *txn,
- void *cookie);
/* mdd_device.c */
struct lu_object *mdd_object_alloc(const struct lu_env *env,
const struct lu_object_header *hdr,