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21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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37 #ifndef _OFD_INTERNAL_H
38 #define _OFD_INTERNAL_H
41 #include <obd_class.h>
42 #include <dt_object.h>
43 #include <lustre_fid.h>
44 #include <lustre_capa.h>
46 #define OFD_INIT_OBJID 0
47 #define OFD_ROCOMPAT_SUPP (0)
48 #define OFD_INCOMPAT_SUPP (OBD_INCOMPAT_GROUPS | OBD_INCOMPAT_OST | \
49 OBD_INCOMPAT_COMMON_LR)
50 #define OFD_MAX_GROUPS 256
53 struct dt_device ofd_dt_dev;
54 struct dt_device *ofd_osd;
55 struct dt_device_param ofd_dt_conf;
56 /* DLM name-space for meta-data locks maintained by this server */
57 struct ldlm_namespace *ofd_namespace;
60 struct lu_target ofd_lut;
61 struct dt_object *ofd_last_group_file;
62 struct dt_object *ofd_health_check_file;
67 obd_id ofd_last_objids[OFD_MAX_GROUPS];
68 cfs_mutex_t ofd_create_locks[OFD_MAX_GROUPS];
69 struct dt_object *ofd_lastid_obj[OFD_MAX_GROUPS];
70 cfs_spinlock_t ofd_objid_lock;
72 struct lu_site ofd_site;
75 static inline struct ofd_device *ofd_dev(struct lu_device *d)
77 return container_of0(d, struct ofd_device, ofd_dt_dev.dd_lu_dev);
80 static inline struct obd_device *ofd_obd(struct ofd_device *ofd)
82 return ofd->ofd_dt_dev.dd_lu_dev.ld_obd;
85 static inline struct ofd_device *ofd_exp(struct obd_export *exp)
87 return ofd_dev(exp->exp_obd->obd_lu_dev);
90 static inline char *ofd_name(struct ofd_device *ofd)
92 return ofd->ofd_dt_dev.dd_lu_dev.ld_obd->obd_name;
96 struct lu_object_header ofo_header;
97 struct dt_object ofo_obj;
100 static inline struct ofd_object *ofd_obj(struct lu_object *o)
102 return container_of0(o, struct ofd_object, ofo_obj.do_lu);
106 * Common data shared by obdofd-level handlers. This is allocated per-thread
107 * to reduce stack consumption.
109 struct ofd_thread_info {
110 const struct lu_env *fti_env;
112 struct obd_export *fti_exp;
113 struct lu_fid fti_fid;
114 struct lu_attr fti_attr;
116 char name[64]; /* for ofd_init0() */
117 struct obd_statfs osfs; /* for obdofd_statfs() */
120 struct dt_object_format fti_dof;
121 struct lu_buf fti_buf;
125 static inline int ofd_export_stats_init(struct ofd_device *ofd,
126 struct obd_export *exp, void *data)
131 extern void target_recovery_fini(struct obd_device *obd);
132 extern void target_recovery_init(struct lu_target *lut, svc_handler_t handler);
135 int ofd_update_capa_key(struct ofd_device *ofd, struct lustre_capa_key *key);
136 int ofd_auth_capa(struct obd_export *exp, struct lu_fid *fid, obd_seq seq,
137 struct lustre_capa *capa, __u64 opc);
138 void ofd_free_capa_keys(struct ofd_device *ofd);
141 extern struct lu_context_key ofd_thread_key;
144 extern struct obd_ops ofd_obd_ops;
147 obd_id ofd_last_id(struct ofd_device *ofd, obd_seq seq);
148 int ofd_group_load(const struct lu_env *env, struct ofd_device *ofd, int);
149 int ofd_fs_setup(const struct lu_env *env, struct ofd_device *ofd,
150 struct obd_device *obd);
151 void ofd_fs_cleanup(const struct lu_env *env, struct ofd_device *ofd);
154 void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars);
156 static inline struct ofd_thread_info * ofd_info(const struct lu_env *env)
158 struct ofd_thread_info *info;
160 info = lu_context_key_get(&env->le_ctx, &ofd_thread_key);
162 LASSERT(info->fti_env);
163 LASSERT(info->fti_env == env);
167 static inline struct ofd_thread_info * ofd_info_init(const struct lu_env *env,
168 struct obd_export *exp)
170 struct ofd_thread_info *info;
172 info = lu_context_key_get(&env->le_ctx, &ofd_thread_key);
174 LASSERT(info->fti_exp == NULL);
175 LASSERT(info->fti_env == NULL);
182 #endif /* _OFD_INTERNAL_H */