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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,
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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 lu_buf tti_buf;
61 struct lu_attr tti_attr;
62 struct lu_fid tti_fid1;
64 /* transno storage during last_rcvd update */
66 __u32 tti_has_trans:1,
69 /* Updates data for OUT target */
70 struct thandle_exec_args tti_tea;
73 /* for tgt_readpage() */
74 struct lu_rdpg tti_rdpg;
75 /* for tgt_sendpage() */
76 struct l_wait_info tti_wait_info;
79 struct dt_object_format tti_update_dof;
80 struct object_update_reply *tti_update_reply;
81 struct object_update *tti_update;
82 int tti_update_reply_index;
84 struct dt_object *tti_dt_object;
87 struct lfsck_request tti_lr;
88 struct dt_insert_rec tti_rec;
91 extern struct lu_context_key tgt_thread_key;
93 static inline struct tgt_thread_info *tgt_th_info(const struct lu_env *env)
95 struct tgt_thread_info *tti;
97 tti = lu_context_key_get(&env->le_ctx, &tgt_thread_key);
102 #define MGS_SERVICE_WATCHDOG_FACTOR (2)
104 int tgt_request_handle(struct ptlrpc_request *req);
106 /* check if request's xid is equal to last one or not*/
107 static inline int req_xid_is_last(struct ptlrpc_request *req)
109 struct lsd_client_data *lcd = req->rq_export->exp_target_data.ted_lcd;
111 LASSERT(lcd != NULL);
112 return (req->rq_xid == lcd->lcd_last_xid ||
113 req->rq_xid == lcd->lcd_last_close_xid);
116 static inline char *dt_obd_name(struct dt_device *dt)
118 return dt->dd_lu_dev.ld_obd->obd_name;
122 int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
124 struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
125 tx_exec_func_t func, tx_exec_func_t undo,
126 const char *file, int line);
128 int out_create_add_exec(const struct lu_env *env, struct dt_object *obj,
129 struct lu_attr *attr, struct lu_fid *parent_fid,
130 struct dt_object_format *dof,
131 struct thandle_exec_args *ta, struct thandle *th,
132 struct object_update_reply *reply,
133 int index, const char *file, int line);
135 int out_attr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
136 const struct lu_attr *attr,
137 struct thandle_exec_args *ta, struct thandle *th,
138 struct object_update_reply *reply, int index,
139 const char *file, int line);
141 int out_write_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
142 const struct lu_buf *buf, loff_t pos,
143 struct thandle_exec_args *ta, struct thandle *th,
144 struct object_update_reply *reply, int index,
145 const char *file, int line);
147 int out_xattr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
148 const struct lu_buf *buf, const char *name,
149 int flags, struct thandle_exec_args *ta,
151 struct object_update_reply *reply, int index,
152 const char *file, int line);
154 int out_xattr_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
155 const char *name, struct thandle_exec_args *ta,
157 struct object_update_reply *reply, int index,
158 const char *file, int line);
160 int out_ref_add_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
161 struct thandle_exec_args *ta, struct thandle *th,
162 struct object_update_reply *reply, int index,
163 const char *file, int line);
165 int out_ref_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
166 struct thandle_exec_args *ta, struct thandle *th,
167 struct object_update_reply *reply, int index,
168 const char *file, int line);
170 int out_index_insert_add_exec(const struct lu_env *env,
171 struct dt_object *dt_obj,
172 const struct dt_rec *rec,
173 const struct dt_key *key,
174 struct thandle_exec_args *ta,
176 struct object_update_reply *reply,
177 int index, const char *file, int line);
179 int out_index_delete_add_exec(const struct lu_env *env,
180 struct dt_object *dt_obj,
181 const struct dt_key *key,
182 struct thandle_exec_args *ta,
184 struct object_update_reply *reply,
185 int index, const char *file, int line);
187 int out_destroy_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
188 struct thandle_exec_args *ta, struct thandle *th,
189 struct object_update_reply *reply,
190 int index, const char *file, int line);
192 /* Update handlers */
193 int out_handle(struct tgt_session_info *tsi);
195 #define out_tx_create(env, obj, attr, fid, dof, ta, th, reply, idx) \
196 out_create_add_exec(env, obj, attr, fid, dof, ta, th, reply, idx, \
199 #define out_tx_attr_set(env, obj, attr, ta, th, reply, idx) \
200 out_attr_set_add_exec(env, obj, attr, ta, th, reply, idx, \
203 #define out_tx_xattr_set(env, obj, buf, name, fl, ta, th, reply, idx) \
204 out_xattr_set_add_exec(env, obj, buf, name, fl, ta, th, reply, idx, \
207 #define out_tx_xattr_del(env, obj, name, ta, th, reply, idx) \
208 out_xattr_del_add_exec(env, obj, name, ta, th, reply, idx, \
211 #define out_tx_ref_add(env, obj, ta, th, reply, idx) \
212 out_ref_add_add_exec(env, obj, ta, th, reply, idx, \
215 #define out_tx_ref_del(env, obj, ta, th, reply, idx) \
216 out_ref_del_add_exec(env, obj, ta, th, reply, idx, \
219 #define out_tx_index_insert(env, obj, rec, key, ta, th, reply, idx) \
220 out_index_insert_add_exec(env, obj, rec, key, ta, th, reply, idx, \
223 #define out_tx_index_delete(env, obj, key, ta, th, reply, idx) \
224 out_index_delete_add_exec(env, obj, key, ta, th, reply, idx, \
227 #define out_tx_destroy(env, obj, ta, th, reply, idx) \
228 out_destroy_add_exec(env, obj, ta, th, reply, idx, \
231 #define out_tx_write(env, obj, buf, pos, ta, th, reply, idx) \
232 out_write_add_exec(env, obj, buf, pos, ta, th, reply, idx,\
235 const char *update_op_str(__u16 opcode);
237 extern struct page *tgt_page_to_corrupt;
239 struct tgt_thread_big_cache {
240 struct niobuf_local local[PTLRPC_MAX_BRW_PAGES];
243 int tgt_server_data_init(const struct lu_env *env, struct lu_target *tgt);
244 int tgt_txn_start_cb(const struct lu_env *env, struct thandle *th,
246 int tgt_txn_stop_cb(const struct lu_env *env, struct thandle *th,
249 void update_records_dump(const struct update_records *records,
250 unsigned int mask, bool dump_updates);
251 int check_and_prepare_update_record(const struct lu_env *env,
252 struct thandle_update_records *tur);
253 struct update_thread_info {
254 struct lu_attr uti_attr;
255 struct lu_fid uti_fid;
256 struct lu_buf uti_buf;
257 struct thandle_update_records uti_tur;
258 struct obdo uti_obdo;
259 struct thandle_exec_args uti_tea;
260 struct dt_insert_rec uti_rec;
261 struct distribute_txn_replay_req *uti_dtrq;
264 extern struct lu_context_key update_thread_key;
266 static inline struct update_thread_info *
267 update_env_info(const struct lu_env *env)
269 struct update_thread_info *uti;
271 uti = lu_context_key_get(&env->le_ctx, &update_thread_key);
272 LASSERT(uti != NULL);
276 void update_info_init(void);
277 void update_info_fini(void);
278 struct sub_thandle *create_sub_thandle(struct top_multiple_thandle *tmt,
279 struct dt_device *dt_dev);
280 int sub_thandle_trans_create(const struct lu_env *env,
281 struct top_thandle *top_th,
282 struct sub_thandle *st);
283 void distribute_txn_insert_by_batchid(struct top_multiple_thandle *new);
284 int top_trans_create_tmt(const struct lu_env *env,
285 struct top_thandle *top_th);
286 #endif /* _TG_INTERNAL_H */