-/* -*- 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) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
};
struct fld_cache_entry {
- struct list_head fce_lru;
- struct list_head fce_list;
+ cfs_list_t fce_lru;
+ cfs_list_t fce_list;
/**
* fld cache entries are sorted on range->lsr_start field. */
struct lu_seq_range fce_range;
};
struct fld_cache {
- /**
- * Cache guard, protects fci_hash mostly because others immutable after
- * init is finished.
- */
- spinlock_t fci_lock;
+ /**
+ * Cache guard, protects fci_hash mostly because others immutable after
+ * init is finished.
+ */
+ rwlock_t fci_lock;
/**
* Cache shrink threshold */
/**
* LRU list fld entries. */
- struct list_head fci_lru;
+ cfs_list_t fci_lru;
/**
* sorted fld entries. */
- struct list_head fci_entries_head;
+ cfs_list_t fci_entries_head;
/**
* Cache statistics. */
/**
* Cache name used for debug and messages. */
char fci_name[80];
+ unsigned int fci_no_shrink:1;
};
enum fld_op {
struct lu_seq_range fti_rec;
struct lu_seq_range fti_lrange;
struct lu_seq_range fti_irange;
- struct txn_param fti_txn_param;
};
+extern struct lu_context_key fld_thread_key;
-struct thandle* fld_trans_start(struct lu_server_fld *fld,
- const struct lu_env *env, int credit);
-
-void fld_trans_stop(struct lu_server_fld *fld,
- const struct lu_env *env, struct thandle* th);
-
-int fld_index_init(struct lu_server_fld *fld,
- const struct lu_env *env,
- struct dt_device *dt);
+int fld_index_init(const struct lu_env *env, struct lu_server_fld *fld,
+ struct dt_device *dt);
-void fld_index_fini(struct lu_server_fld *fld,
- const struct lu_env *env);
+void fld_index_fini(const struct lu_env *env, struct lu_server_fld *fld);
-int fld_index_create(struct lu_server_fld *fld,
- const struct lu_env *env,
- const struct lu_seq_range *range,
- struct thandle *th);
+int fld_declare_index_create(const struct lu_env *env,
+ struct lu_server_fld *fld,
+ const struct lu_seq_range *new,
+ struct thandle *th);
-int fld_index_delete(struct lu_server_fld *fld,
- const struct lu_env *env,
- struct lu_seq_range *range,
- struct thandle *th);
+int fld_index_create(const struct lu_env *env, struct lu_server_fld *fld,
+ const struct lu_seq_range *new, struct thandle *th);
-int fld_index_lookup(struct lu_server_fld *fld,
- const struct lu_env *env,
- seqno_t seq, struct lu_seq_range *range);
+int fld_index_lookup(const struct lu_env *env, struct lu_server_fld *fld,
+ seqno_t seq, struct lu_seq_range *range);
int fld_client_rpc(struct obd_export *exp,
struct lu_seq_range *range, __u32 fld_op);
void fld_cache_flush(struct fld_cache *cache);
-void fld_cache_insert(struct fld_cache *cache,
- const struct lu_seq_range *range);
+int fld_cache_insert(struct fld_cache *cache,
+ const struct lu_seq_range *range);
+
+struct fld_cache_entry
+*fld_cache_entry_create(const struct lu_seq_range *range);
+int fld_cache_insert_nolock(struct fld_cache *cache,
+ struct fld_cache_entry *f_new);
void fld_cache_delete(struct fld_cache *cache,
const struct lu_seq_range *range);
-
+void fld_cache_delete_nolock(struct fld_cache *cache,
+ const struct lu_seq_range *range);
int fld_cache_lookup(struct fld_cache *cache,
const seqno_t seq, struct lu_seq_range *range);
+struct fld_cache_entry*
+fld_cache_entry_lookup(struct fld_cache *cache, struct lu_seq_range *range);
+void fld_cache_entry_delete(struct fld_cache *cache,
+ struct fld_cache_entry *node);
+void fld_dump_cache_entries(struct fld_cache *cache);
+
+struct fld_cache_entry
+*fld_cache_entry_lookup_nolock(struct fld_cache *cache,
+ struct lu_seq_range *range);
+int fld_write_range(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_seq_range *range, struct thandle *th);
+
static inline const char *
fld_target_name(struct lu_fld_target *tar)
{
}
extern cfs_proc_dir_entry_t *fld_type_proc_dir;
-
+extern struct file_operations fld_proc_seq_fops;
#endif /* __FLD_INTERNAL_H */