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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;
80 struct dt_object_format tti_update_dof;
81 struct object_update_reply *tti_update_reply;
82 struct object_update *tti_update;
83 int tti_update_reply_index;
85 struct dt_object *tti_dt_object;
88 struct lfsck_request tti_lr;
89 struct dt_insert_rec tti_rec;
92 extern struct lu_context_key tgt_thread_key;
94 static inline struct tgt_thread_info *tgt_th_info(const struct lu_env *env)
96 struct tgt_thread_info *tti;
98 tti = lu_context_key_get(&env->le_ctx, &tgt_thread_key);
103 #define MGS_SERVICE_WATCHDOG_FACTOR (2)
105 int tgt_request_handle(struct ptlrpc_request *req);
107 /* check if request's xid is equal to last one or not*/
108 static inline int req_xid_is_last(struct ptlrpc_request *req)
110 struct lsd_client_data *lcd = req->rq_export->exp_target_data.ted_lcd;
112 LASSERT(lcd != NULL);
113 return (req->rq_xid == lcd->lcd_last_xid ||
114 req->rq_xid == lcd->lcd_last_close_xid);
117 static inline char *dt_obd_name(struct dt_device *dt)
119 return dt->dd_lu_dev.ld_obd->obd_name;
123 int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
125 struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
126 tx_exec_func_t func, tx_exec_func_t undo,
127 const char *file, int line);
129 int out_create_add_exec(const struct lu_env *env, struct dt_object *obj,
130 struct lu_attr *attr, struct lu_fid *parent_fid,
131 struct dt_object_format *dof,
132 struct thandle_exec_args *ta, struct thandle *th,
133 struct object_update_reply *reply,
134 int index, const char *file, int line);
136 int out_attr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
137 const struct lu_attr *attr,
138 struct thandle_exec_args *ta, struct thandle *th,
139 struct object_update_reply *reply, int index,
140 const char *file, int line);
142 int out_write_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
143 const struct lu_buf *buf, loff_t pos,
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_xattr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
149 const struct lu_buf *buf, const char *name,
150 int flags, struct thandle_exec_args *ta,
152 struct object_update_reply *reply, int index,
153 const char *file, int line);
155 int out_xattr_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
156 const char *name, struct thandle_exec_args *ta,
158 struct object_update_reply *reply, int index,
159 const char *file, int line);
161 int out_ref_add_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
162 struct thandle_exec_args *ta, struct thandle *th,
163 struct object_update_reply *reply, int index,
164 const char *file, int line);
166 int out_ref_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
167 struct thandle_exec_args *ta, struct thandle *th,
168 struct object_update_reply *reply, int index,
169 const char *file, int line);
171 int out_index_insert_add_exec(const struct lu_env *env,
172 struct dt_object *dt_obj,
173 const struct dt_rec *rec,
174 const struct dt_key *key,
175 struct thandle_exec_args *ta,
177 struct object_update_reply *reply,
178 int index, const char *file, int line);
180 int out_index_delete_add_exec(const struct lu_env *env,
181 struct dt_object *dt_obj,
182 const struct dt_key *key,
183 struct thandle_exec_args *ta,
185 struct object_update_reply *reply,
186 int index, const char *file, int line);
188 int out_destroy_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
189 struct thandle_exec_args *ta, struct thandle *th,
190 struct object_update_reply *reply,
191 int index, const char *file, int line);
193 /* Update handlers */
194 int out_handle(struct tgt_session_info *tsi);
196 #define out_tx_create(env, obj, attr, fid, dof, ta, th, reply, idx) \
197 out_create_add_exec(env, obj, attr, fid, dof, ta, th, reply, idx, \
200 #define out_tx_attr_set(env, obj, attr, ta, th, reply, idx) \
201 out_attr_set_add_exec(env, obj, attr, ta, th, reply, idx, \
204 #define out_tx_xattr_set(env, obj, buf, name, fl, ta, th, reply, idx) \
205 out_xattr_set_add_exec(env, obj, buf, name, fl, ta, th, reply, idx, \
208 #define out_tx_xattr_del(env, obj, name, ta, th, reply, idx) \
209 out_xattr_del_add_exec(env, obj, name, ta, th, reply, idx, \
212 #define out_tx_ref_add(env, obj, ta, th, reply, idx) \
213 out_ref_add_add_exec(env, obj, ta, th, reply, idx, \
216 #define out_tx_ref_del(env, obj, ta, th, reply, idx) \
217 out_ref_del_add_exec(env, obj, ta, th, reply, idx, \
220 #define out_tx_index_insert(env, obj, rec, key, ta, th, reply, idx) \
221 out_index_insert_add_exec(env, obj, rec, key, ta, th, reply, idx, \
224 #define out_tx_index_delete(env, obj, key, ta, th, reply, idx) \
225 out_index_delete_add_exec(env, obj, key, ta, th, reply, idx, \
228 #define out_tx_destroy(env, obj, ta, th, reply, idx) \
229 out_destroy_add_exec(env, obj, ta, th, reply, idx, \
232 #define out_tx_write(env, obj, buf, pos, ta, th, reply, idx) \
233 out_write_add_exec(env, obj, buf, pos, ta, th, reply, idx,\
236 const char *update_op_str(__u16 opcode);
238 extern struct page *tgt_page_to_corrupt;
240 struct tgt_thread_big_cache {
241 struct niobuf_local local[PTLRPC_MAX_BRW_PAGES];
244 int tgt_server_data_init(const struct lu_env *env, struct lu_target *tgt);
245 int tgt_txn_start_cb(const struct lu_env *env, struct thandle *th,
247 int tgt_txn_stop_cb(const struct lu_env *env, struct thandle *th,
249 int tgt_handle_received_xid(struct obd_export *exp, __u64 rcvd_xid);
250 int tgt_handle_tag(struct obd_export *exp, __u16 tag);
252 void update_records_dump(const struct update_records *records,
253 unsigned int mask, bool dump_updates);
254 int check_and_prepare_update_record(const struct lu_env *env,
255 struct thandle_update_records *tur);
256 struct update_thread_info {
257 struct lu_attr uti_attr;
258 struct lu_fid uti_fid;
259 struct lu_buf uti_buf;
260 struct thandle_update_records uti_tur;
261 struct obdo uti_obdo;
262 struct thandle_exec_args uti_tea;
263 struct dt_insert_rec uti_rec;
264 struct distribute_txn_replay_req *uti_dtrq;
267 extern struct lu_context_key update_thread_key;
269 static inline struct update_thread_info *
270 update_env_info(const struct lu_env *env)
272 struct update_thread_info *uti;
274 uti = lu_context_key_get(&env->le_ctx, &update_thread_key);
275 LASSERT(uti != NULL);
279 void update_info_init(void);
280 void update_info_fini(void);
281 struct sub_thandle *create_sub_thandle(struct top_multiple_thandle *tmt,
282 struct dt_device *dt_dev);
283 int sub_thandle_trans_create(const struct lu_env *env,
284 struct top_thandle *top_th,
285 struct sub_thandle *st);
286 void distribute_txn_insert_by_batchid(struct top_multiple_thandle *new);
287 int top_trans_create_tmt(const struct lu_env *env,
288 struct top_thandle *top_th);
289 #endif /* _TG_INTERNAL_H */