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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 LPROC_OFD_READ_BYTES = 0,
54 LPROC_OFD_WRITE_BYTES = 1,
59 struct dt_device ofd_dt_dev;
60 struct dt_device *ofd_osd;
61 struct dt_device_param ofd_dt_conf;
62 /* DLM name-space for meta-data locks maintained by this server */
63 struct ldlm_namespace *ofd_namespace;
66 struct lu_target ofd_lut;
67 struct dt_object *ofd_last_group_file;
68 struct dt_object *ofd_health_check_file;
73 obd_id ofd_last_objids[OFD_MAX_GROUPS];
74 cfs_mutex_t ofd_create_locks[OFD_MAX_GROUPS];
75 struct dt_object *ofd_lastid_obj[OFD_MAX_GROUPS];
76 cfs_spinlock_t ofd_objid_lock;
78 cfs_spinlock_t ofd_flags_lock;
79 unsigned long ofd_raid_degraded:1,
80 /* sync journal on writes */
82 /* sync on lock cancel */
83 ofd_sync_lock_cancel:2;
85 struct lu_site ofd_site;
88 static inline struct ofd_device *ofd_dev(struct lu_device *d)
90 return container_of0(d, struct ofd_device, ofd_dt_dev.dd_lu_dev);
93 static inline struct obd_device *ofd_obd(struct ofd_device *ofd)
95 return ofd->ofd_dt_dev.dd_lu_dev.ld_obd;
98 static inline struct ofd_device *ofd_exp(struct obd_export *exp)
100 return ofd_dev(exp->exp_obd->obd_lu_dev);
103 static inline char *ofd_name(struct ofd_device *ofd)
105 return ofd->ofd_dt_dev.dd_lu_dev.ld_obd->obd_name;
109 struct lu_object_header ofo_header;
110 struct dt_object ofo_obj;
113 static inline struct ofd_object *ofd_obj(struct lu_object *o)
115 return container_of0(o, struct ofd_object, ofo_obj.do_lu);
119 * Common data shared by obdofd-level handlers. This is allocated per-thread
120 * to reduce stack consumption.
122 struct ofd_thread_info {
123 const struct lu_env *fti_env;
125 struct obd_export *fti_exp;
126 struct lu_fid fti_fid;
127 struct lu_attr fti_attr;
129 char name[64]; /* for ofd_init0() */
130 struct obd_statfs osfs; /* for obdofd_statfs() */
133 struct dt_object_format fti_dof;
134 struct lu_buf fti_buf;
138 extern void target_recovery_fini(struct obd_device *obd);
139 extern void target_recovery_init(struct lu_target *lut, svc_handler_t handler);
142 int ofd_update_capa_key(struct ofd_device *ofd, struct lustre_capa_key *key);
143 int ofd_auth_capa(struct obd_export *exp, struct lu_fid *fid, obd_seq seq,
144 struct lustre_capa *capa, __u64 opc);
145 void ofd_free_capa_keys(struct ofd_device *ofd);
148 extern struct lu_context_key ofd_thread_key;
151 extern struct obd_ops ofd_obd_ops;
154 obd_id ofd_last_id(struct ofd_device *ofd, obd_seq seq);
155 int ofd_group_load(const struct lu_env *env, struct ofd_device *ofd, int);
156 int ofd_fs_setup(const struct lu_env *env, struct ofd_device *ofd,
157 struct obd_device *obd);
158 void ofd_fs_cleanup(const struct lu_env *env, struct ofd_device *ofd);
161 void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars);
162 int lproc_ofd_attach_seqstat(struct obd_device *dev);
163 extern struct file_operations ofd_per_nid_stats_fops;
165 static inline struct ofd_thread_info * ofd_info(const struct lu_env *env)
167 struct ofd_thread_info *info;
169 info = lu_context_key_get(&env->le_ctx, &ofd_thread_key);
171 LASSERT(info->fti_env);
172 LASSERT(info->fti_env == env);
176 static inline struct ofd_thread_info * ofd_info_init(const struct lu_env *env,
177 struct obd_export *exp)
179 struct ofd_thread_info *info;
181 info = lu_context_key_get(&env->le_ctx, &ofd_thread_key);
183 LASSERT(info->fti_exp == NULL);
184 LASSERT(info->fti_env == NULL);
191 /* sync on lock cancel is useless when we force a journal flush,
192 * and if we enable async journal commit, we should also turn on
193 * sync on lock cancel if it is not enabled already. */
194 static inline void ofd_slc_set(struct ofd_device *ofd)
196 if (ofd->ofd_syncjournal == 1)
197 ofd->ofd_sync_lock_cancel = NEVER_SYNC_ON_CANCEL;
198 else if (ofd->ofd_sync_lock_cancel == NEVER_SYNC_ON_CANCEL)
199 ofd->ofd_sync_lock_cancel = ALWAYS_SYNC_ON_CANCEL;
202 #endif /* _OFD_INTERNAL_H */