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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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17 * version 2 along with this program; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 021110-1307, USA
24 * Copyright (c) 2012, 2014, Intel Corporation.
27 * lustre/target/tgt_internal.h
29 * Lustre Unified Target header file
31 * Author: Mikhail Pershin <mike.pershin@intel.com>
34 #ifndef _TG_INTERNAL_H
35 #define _TG_INTERNAL_H
37 #include <lustre_net.h>
38 #include <lustre/lustre_idl.h>
39 #include <lu_target.h>
40 #include <lustre_export.h>
41 #include <lustre_fid.h>
42 #include <lustre_fld.h>
43 #include <lustre_req_layout.h>
44 #include <lustre_sec.h>
46 extern int (*tgt_lfsck_in_notify)(const struct lu_env *env,
47 struct dt_device *key,
48 struct lfsck_request *lr,
51 * Common data shared by tg-level handlers. This is allocated per-thread to
52 * reduce stack consumption.
54 struct tgt_thread_info {
55 /* server and client data buffers */
56 struct lr_server_data tti_lsd;
57 struct lsd_client_data tti_lcd;
58 struct lsd_reply_data tti_lrd;
59 struct lu_buf tti_buf;
62 struct lu_attr tti_attr;
63 struct lu_fid tti_fid1;
65 /* transno storage during last_rcvd update */
67 __u32 tti_has_trans:1,
70 /* Updates data for OUT target */
71 struct thandle_exec_args tti_tea;
74 /* for tgt_readpage() */
75 struct lu_rdpg tti_rdpg;
76 /* for tgt_sendpage() */
77 struct l_wait_info tti_wait_info;
81 struct lu_rdbuf tti_rdbuf;
82 /* for tgt_sendpage() */
83 struct l_wait_info tti_wait_info;
86 struct dt_object_format tti_update_dof;
87 struct object_update_reply *tti_update_reply;
88 struct object_update *tti_update;
89 int tti_update_reply_index;
91 struct dt_object *tti_dt_object;
94 struct lfsck_request tti_lr;
95 struct dt_insert_rec tti_rec;
98 extern struct lu_context_key tgt_thread_key;
100 static inline struct tgt_thread_info *tgt_th_info(const struct lu_env *env)
102 struct tgt_thread_info *tti;
104 tti = lu_context_key_get(&env->le_ctx, &tgt_thread_key);
109 #define MGS_SERVICE_WATCHDOG_FACTOR (2)
111 int tgt_request_handle(struct ptlrpc_request *req);
113 /* check if request's xid is equal to last one or not*/
114 static inline int req_xid_is_last(struct ptlrpc_request *req)
116 struct lsd_client_data *lcd = req->rq_export->exp_target_data.ted_lcd;
118 LASSERT(lcd != NULL);
119 return (req->rq_xid == lcd->lcd_last_xid ||
120 req->rq_xid == lcd->lcd_last_close_xid);
123 static inline char *dt_obd_name(struct dt_device *dt)
125 return dt->dd_lu_dev.ld_obd->obd_name;
129 int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
131 struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
132 tx_exec_func_t func, tx_exec_func_t undo,
133 const char *file, int line);
135 int out_create_add_exec(const struct lu_env *env, struct dt_object *obj,
136 struct lu_attr *attr, struct lu_fid *parent_fid,
137 struct dt_object_format *dof,
138 struct thandle_exec_args *ta, struct thandle *th,
139 struct object_update_reply *reply,
140 int index, const char *file, int line);
142 int out_attr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
143 const struct lu_attr *attr,
144 struct thandle_exec_args *ta, struct thandle *th,
145 struct object_update_reply *reply, int index,
146 const char *file, int line);
148 int out_write_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
149 const struct lu_buf *buf, loff_t pos,
150 struct thandle_exec_args *ta, struct thandle *th,
151 struct object_update_reply *reply, int index,
152 const char *file, int line);
154 int out_xattr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
155 const struct lu_buf *buf, const char *name,
156 int flags, struct thandle_exec_args *ta,
158 struct object_update_reply *reply, int index,
159 const char *file, int line);
161 int out_xattr_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
162 const char *name, struct thandle_exec_args *ta,
164 struct object_update_reply *reply, int index,
165 const char *file, int line);
167 int out_ref_add_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
168 struct thandle_exec_args *ta, struct thandle *th,
169 struct object_update_reply *reply, int index,
170 const char *file, int line);
172 int out_ref_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
173 struct thandle_exec_args *ta, struct thandle *th,
174 struct object_update_reply *reply, int index,
175 const char *file, int line);
177 int out_index_insert_add_exec(const struct lu_env *env,
178 struct dt_object *dt_obj,
179 const struct dt_rec *rec,
180 const struct dt_key *key,
181 struct thandle_exec_args *ta,
183 struct object_update_reply *reply,
184 int index, const char *file, int line);
186 int out_index_delete_add_exec(const struct lu_env *env,
187 struct dt_object *dt_obj,
188 const struct dt_key *key,
189 struct thandle_exec_args *ta,
191 struct object_update_reply *reply,
192 int index, const char *file, int line);
194 int out_destroy_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
195 struct thandle_exec_args *ta, struct thandle *th,
196 struct object_update_reply *reply,
197 int index, const char *file, int line);
199 /* Update handlers */
200 int out_handle(struct tgt_session_info *tsi);
202 #define out_tx_create(env, obj, attr, fid, dof, ta, th, reply, idx) \
203 out_create_add_exec(env, obj, attr, fid, dof, ta, th, reply, idx, \
206 #define out_tx_attr_set(env, obj, attr, ta, th, reply, idx) \
207 out_attr_set_add_exec(env, obj, attr, ta, th, reply, idx, \
210 #define out_tx_xattr_set(env, obj, buf, name, fl, ta, th, reply, idx) \
211 out_xattr_set_add_exec(env, obj, buf, name, fl, ta, th, reply, idx, \
214 #define out_tx_xattr_del(env, obj, name, ta, th, reply, idx) \
215 out_xattr_del_add_exec(env, obj, name, ta, th, reply, idx, \
218 #define out_tx_ref_add(env, obj, ta, th, reply, idx) \
219 out_ref_add_add_exec(env, obj, ta, th, reply, idx, \
222 #define out_tx_ref_del(env, obj, ta, th, reply, idx) \
223 out_ref_del_add_exec(env, obj, ta, th, reply, idx, \
226 #define out_tx_index_insert(env, obj, rec, key, ta, th, reply, idx) \
227 out_index_insert_add_exec(env, obj, rec, key, ta, th, reply, idx, \
230 #define out_tx_index_delete(env, obj, key, ta, th, reply, idx) \
231 out_index_delete_add_exec(env, obj, key, ta, th, reply, idx, \
234 #define out_tx_destroy(env, obj, ta, th, reply, idx) \
235 out_destroy_add_exec(env, obj, ta, th, reply, idx, \
238 #define out_tx_write(env, obj, buf, pos, ta, th, reply, idx) \
239 out_write_add_exec(env, obj, buf, pos, ta, th, reply, idx,\
242 const char *update_op_str(__u16 opcode);
244 extern struct page *tgt_page_to_corrupt;
246 struct tgt_thread_big_cache {
247 struct niobuf_local local[PTLRPC_MAX_BRW_PAGES];
250 int tgt_server_data_init(const struct lu_env *env, struct lu_target *tgt);
251 int tgt_txn_start_cb(const struct lu_env *env, struct thandle *th,
253 int tgt_txn_stop_cb(const struct lu_env *env, struct thandle *th,
255 int tgt_handle_received_xid(struct obd_export *exp, __u64 rcvd_xid);
256 int tgt_handle_tag(struct obd_export *exp, __u16 tag);
258 void update_records_dump(const struct update_records *records,
259 unsigned int mask, bool dump_updates);
260 int check_and_prepare_update_record(const struct lu_env *env,
261 struct thandle_update_records *tur);
262 struct update_thread_info {
263 struct lu_attr uti_attr;
264 struct lu_fid uti_fid;
265 struct lu_buf uti_buf;
266 struct thandle_update_records uti_tur;
267 struct obdo uti_obdo;
268 struct thandle_exec_args uti_tea;
269 struct dt_insert_rec uti_rec;
270 struct distribute_txn_replay_req *uti_dtrq;
273 extern struct lu_context_key update_thread_key;
275 static inline struct update_thread_info *
276 update_env_info(const struct lu_env *env)
278 struct update_thread_info *uti;
280 uti = lu_context_key_get(&env->le_ctx, &update_thread_key);
281 LASSERT(uti != NULL);
285 void update_info_init(void);
286 void update_info_fini(void);
287 struct sub_thandle *create_sub_thandle(struct top_multiple_thandle *tmt,
288 struct dt_device *dt_dev);
289 int sub_thandle_trans_create(const struct lu_env *env,
290 struct top_thandle *top_th,
291 struct sub_thandle *st);
292 void distribute_txn_insert_by_batchid(struct top_multiple_thandle *new);
293 int top_trans_create_tmt(const struct lu_env *env,
294 struct top_thandle *top_th);
295 #endif /* _TG_INTERNAL_H */