-/* -*- 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/
#ifndef __FLD_INTERNAL_H
#define __FLD_INTERNAL_H
+#include <obd.h>
#include <lustre/lustre_idl.h>
-#include <dt_object.h>
-
#include <libcfs/libcfs.h>
-#include <lustre_req_layout.h>
#include <lustre_fld.h>
enum {
struct fld_stats {
__u64 fst_count;
__u64 fst_cache;
- __u64 fst_inflight;
};
typedef int (*fld_hash_func_t) (struct lu_client_fld *, __u64);
};
struct fld_cache {
- /**
- * Cache guard, protects fci_hash mostly because others immutable after
- * init is finished.
- */
- cfs_spinlock_t fci_lock;
+ /**
+ * Cache guard, protects fci_hash mostly because others immutable after
+ * init is finished.
+ */
+ rwlock_t fci_lock;
/**
* Cache shrink threshold */
/**
* Cache name used for debug and messages. */
char fci_name[80];
-};
-
-enum fld_op {
- FLD_CREATE = 0,
- FLD_DELETE = 1,
- FLD_LOOKUP = 2
+ unsigned int fci_no_shrink:1;
};
enum {
#ifdef __KERNEL__
+#ifdef LPROCFS
+extern struct proc_dir_entry *fld_type_proc_dir;
+extern struct lprocfs_seq_vars fld_client_proc_list[];
+#endif
+
+# ifdef HAVE_SERVER_SUPPORT
struct fld_thread_info {
- struct req_capsule *fti_pill;
- __u64 fti_key;
- struct lu_seq_range fti_rec;
- struct lu_seq_range fti_lrange;
- struct lu_seq_range fti_irange;
- struct txn_param fti_txn_param;
+ struct lu_seq_range fti_rec;
+ struct lu_seq_range fti_lrange;
+ struct lu_seq_range fti_irange;
};
+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);
+struct dt_device;
+int fld_index_init(const struct lu_env *env, struct lu_server_fld *fld,
+ struct dt_device *dt);
-int fld_index_init(struct lu_server_fld *fld,
- const struct lu_env *env,
- struct dt_device *dt);
+void fld_index_fini(const struct lu_env *env, struct lu_server_fld *fld);
-void fld_index_fini(struct lu_server_fld *fld,
- const struct lu_env *env);
+int fld_declare_index_create(const struct lu_env *env,
+ struct lu_server_fld *fld,
+ const struct lu_seq_range *new_range,
+ struct thandle *th);
-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_index_create(const struct lu_env *env, struct lu_server_fld *fld,
+ const struct lu_seq_range *new_range, 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_lookup(const struct lu_env *env, struct lu_server_fld *fld,
+ seqno_t seq, struct lu_seq_range *range);
-int fld_index_lookup(struct lu_server_fld *fld,
- const struct lu_env *env,
- seqno_t seq, struct lu_seq_range *range);
+int fld_name_to_index(const char *name, __u32 *index);
+int fld_server_mod_init(void);
-int fld_client_rpc(struct obd_export *exp,
- struct lu_seq_range *range, __u32 fld_op);
+void fld_server_mod_exit(void);
+int fld_server_read(const struct lu_env *env, struct lu_server_fld *fld,
+ struct lu_seq_range *range, void *data, int data_len);
#ifdef LPROCFS
-extern struct lprocfs_vars fld_server_proc_list[];
-extern struct lprocfs_vars fld_client_proc_list[];
+extern const struct file_operations fld_proc_seq_fops;
+extern struct lprocfs_seq_vars fld_server_proc_list[];
#endif
-#endif
+# endif /* HAVE_SERVER_SUPPORT */
+
+int fld_client_rpc(struct obd_export *exp,
+ struct lu_seq_range *range, __u32 fld_op,
+ struct ptlrpc_request **reqp);
+#endif /* __KERNEL__ */
struct fld_cache *fld_cache_init(const char *name,
int cache_size, int cache_threshold);
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,
+ const struct lu_seq_range *range);
+
+void fld_cache_entry_delete(struct fld_cache *cache,
+ struct fld_cache_entry *node);
+
+struct fld_cache_entry *
+fld_cache_entry_lookup_nolock(struct fld_cache *cache,
+ const struct lu_seq_range *range);
+
static inline const char *
-fld_target_name(struct lu_fld_target *tar)
+fld_target_name(const struct lu_fld_target *tar)
{
- if (tar->ft_srv != NULL)
- return tar->ft_srv->lsf_name;
+#ifdef HAVE_SERVER_SUPPORT
+ if (tar->ft_srv != NULL)
+ return tar->ft_srv->lsf_name;
+#endif
- return (const char *)tar->ft_exp->exp_obd->obd_name;
+ return tar->ft_exp->exp_obd->obd_name;
}
-extern cfs_proc_dir_entry_t *fld_type_proc_dir;
-
#endif /* __FLD_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff