4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2013, 2014, Intel Corporation.
25 * lustre/target/out_handler.c
27 * Object update handler between targets.
29 * Author: di.wang <di.wang@intel.com>
32 #define DEBUG_SUBSYSTEM S_CLASS
34 #include <obd_class.h>
35 #include <md_object.h>
36 #include "tgt_internal.h"
37 #include <lustre_update.h>
39 static int tx_extend_args(struct thandle_exec_args *ta, int new_alloc_ta)
41 struct tx_arg **new_ta;
45 if (ta->ta_alloc_args >= new_alloc_ta)
48 OBD_ALLOC(new_ta, sizeof(*new_ta) * new_alloc_ta);
52 for (i = 0; i < new_alloc_ta; i++) {
53 if (i < ta->ta_alloc_args) {
54 /* copy the old args to new one */
55 new_ta[i] = ta->ta_args[i];
57 OBD_ALLOC_PTR(new_ta[i]);
58 if (new_ta[i] == NULL)
59 GOTO(out, rc = -ENOMEM);
63 /* free the old args */
64 if (ta->ta_args != NULL)
65 OBD_FREE(ta->ta_args, sizeof(ta->ta_args[0]) *
69 ta->ta_alloc_args = new_alloc_ta;
72 for (i = 0; i < new_alloc_ta; i++) {
73 if (new_ta[i] != NULL)
74 OBD_FREE_PTR(new_ta[i]);
76 OBD_FREE(new_ta, sizeof(*new_ta) * new_alloc_ta);
81 #define TX_ALLOC_STEP 8
82 static struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
83 tx_exec_func_t func, tx_exec_func_t undo,
84 const char *file, int line)
90 LASSERT(func != NULL);
92 if (ta->ta_argno + 1 >= ta->ta_alloc_args) {
93 rc = tx_extend_args(ta, ta->ta_alloc_args + TX_ALLOC_STEP);
102 ta->ta_args[i]->exec_fn = func;
103 ta->ta_args[i]->undo_fn = undo;
104 ta->ta_args[i]->file = file;
105 ta->ta_args[i]->line = line;
107 return ta->ta_args[i];
110 static void out_reconstruct(const struct lu_env *env, struct dt_device *dt,
111 struct dt_object *obj,
112 struct object_update_reply *reply,
115 CDEBUG(D_INFO, "%s: fork reply reply %p index %d: rc = %d\n",
116 dt_obd_name(dt), reply, index, 0);
118 object_update_result_insert(reply, NULL, 0, index, 0);
122 typedef void (*out_reconstruct_t)(const struct lu_env *env,
123 struct dt_device *dt,
124 struct dt_object *obj,
125 struct object_update_reply *reply,
128 static inline int out_check_resent(const struct lu_env *env,
129 struct dt_device *dt,
130 struct dt_object *obj,
131 struct ptlrpc_request *req,
132 out_reconstruct_t reconstruct,
133 struct object_update_reply *reply,
136 if (likely(!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT)))
139 if (req_xid_is_last(req)) {
140 reconstruct(env, dt, obj, reply, index);
143 DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
144 req->rq_export->exp_target_data.ted_lcd->lcd_last_xid);
148 static int out_obj_destroy(const struct lu_env *env, struct dt_object *dt_obj,
153 CDEBUG(D_INFO, "%s: destroy "DFID"\n", dt_obd_name(th->th_dev),
154 PFID(lu_object_fid(&dt_obj->do_lu)));
156 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
157 rc = dt_destroy(env, dt_obj, th);
158 dt_write_unlock(env, dt_obj);
164 * All of the xxx_undo will be used once execution failed,
165 * But because all of the required resource has been reserved in
166 * declare phase, i.e. if declare succeed, it should make sure
167 * the following executing phase succeed in anyway, so these undo
168 * should be useless for most of the time in Phase I
170 static int out_tx_create_undo(const struct lu_env *env, struct thandle *th,
175 rc = out_obj_destroy(env, arg->object, th);
177 CERROR("%s: undo failure, we are doomed!: rc = %d\n",
178 dt_obd_name(th->th_dev), rc);
182 static int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
185 struct dt_object *dt_obj = arg->object;
188 CDEBUG(D_OTHER, "%s: create "DFID": dof %u, mode %o\n",
189 dt_obd_name(th->th_dev),
190 PFID(lu_object_fid(&arg->object->do_lu)),
191 arg->u.create.dof.dof_type,
192 arg->u.create.attr.la_mode & S_IFMT);
194 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
195 rc = dt_create(env, dt_obj, &arg->u.create.attr,
196 &arg->u.create.hint, &arg->u.create.dof, th);
198 dt_write_unlock(env, dt_obj);
200 CDEBUG(D_INFO, "%s: insert create reply %p index %d: rc = %d\n",
201 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
203 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
208 static int __out_tx_create(const struct lu_env *env, struct dt_object *obj,
209 struct lu_attr *attr, struct lu_fid *parent_fid,
210 struct dt_object_format *dof,
211 struct thandle_exec_args *ta,
212 struct object_update_reply *reply,
213 int index, const char *file, int line)
218 LASSERT(ta->ta_handle != NULL);
219 rc = dt_declare_create(env, obj, attr, NULL, dof,
224 arg = tx_add_exec(ta, out_tx_create_exec, out_tx_create_undo, file,
229 /* release the object in out_trans_stop */
230 lu_object_get(&obj->do_lu);
232 arg->u.create.attr = *attr;
233 if (parent_fid != NULL)
234 arg->u.create.fid = *parent_fid;
235 memset(&arg->u.create.hint, 0, sizeof(arg->u.create.hint));
236 arg->u.create.dof = *dof;
243 static int out_create(struct tgt_session_info *tsi)
245 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
246 struct object_update *update = tti->tti_u.update.tti_update;
247 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
248 struct dt_object_format *dof = &tti->tti_u.update.tti_update_dof;
249 struct obdo *lobdo = &tti->tti_u.update.tti_obdo;
250 struct lu_attr *attr = &tti->tti_attr;
251 struct lu_fid *fid = NULL;
258 wobdo = object_update_param_get(update, 0, &size);
259 if (wobdo == NULL || size != sizeof(*wobdo)) {
260 CERROR("%s: obdo is NULL, invalid RPC: rc = %d\n",
261 tgt_name(tsi->tsi_tgt), -EPROTO);
262 RETURN(err_serious(-EPROTO));
265 if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
266 lustre_swab_obdo(wobdo);
267 lustre_get_wire_obdo(NULL, lobdo, wobdo);
268 la_from_obdo(attr, lobdo, lobdo->o_valid);
270 dof->dof_type = dt_mode_to_dft(attr->la_mode);
271 if (update->ou_params_count > 1) {
272 fid = object_update_param_get(update, 1, &size);
273 if (fid == NULL || size != sizeof(*fid)) {
274 CERROR("%s: invalid fid: rc = %d\n",
275 tgt_name(tsi->tsi_tgt), -EPROTO);
276 RETURN(err_serious(-EPROTO));
278 if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
279 lustre_swab_lu_fid(fid);
280 if (!fid_is_sane(fid)) {
281 CERROR("%s: invalid fid "DFID": rc = %d\n",
282 tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
283 RETURN(err_serious(-EPROTO));
287 if (lu_object_exists(&obj->do_lu))
290 rc = out_tx_create(tsi->tsi_env, obj, attr, fid, dof,
292 tti->tti_u.update.tti_update_reply,
293 tti->tti_u.update.tti_update_reply_index);
298 static int out_tx_attr_set_undo(const struct lu_env *env,
299 struct thandle *th, struct tx_arg *arg)
301 CERROR("%s: attr set undo "DFID" unimplemented yet!: rc = %d\n",
302 dt_obd_name(th->th_dev),
303 PFID(lu_object_fid(&arg->object->do_lu)), -ENOTSUPP);
308 static int out_tx_attr_set_exec(const struct lu_env *env, struct thandle *th,
311 struct dt_object *dt_obj = arg->object;
314 CDEBUG(D_OTHER, "%s: attr set "DFID"\n", dt_obd_name(th->th_dev),
315 PFID(lu_object_fid(&dt_obj->do_lu)));
317 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
318 rc = dt_attr_set(env, dt_obj, &arg->u.attr_set.attr, th);
319 dt_write_unlock(env, dt_obj);
321 CDEBUG(D_INFO, "%s: insert attr_set reply %p index %d: rc = %d\n",
322 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
324 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
329 static int __out_tx_attr_set(const struct lu_env *env,
330 struct dt_object *dt_obj,
331 const struct lu_attr *attr,
332 struct thandle_exec_args *th,
333 struct object_update_reply *reply,
334 int index, const char *file, int line)
339 LASSERT(th->ta_handle != NULL);
340 rc = dt_declare_attr_set(env, dt_obj, attr, th->ta_handle);
344 arg = tx_add_exec(th, out_tx_attr_set_exec, out_tx_attr_set_undo,
349 lu_object_get(&dt_obj->do_lu);
350 arg->object = dt_obj;
351 arg->u.attr_set.attr = *attr;
357 static int out_attr_set(struct tgt_session_info *tsi)
359 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
360 struct object_update *update = tti->tti_u.update.tti_update;
361 struct lu_attr *attr = &tti->tti_attr;
362 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
363 struct obdo *lobdo = &tti->tti_u.update.tti_obdo;
370 wobdo = object_update_param_get(update, 0, &size);
371 if (wobdo == NULL || size != sizeof(*wobdo)) {
372 CERROR("%s: empty obdo in the update: rc = %d\n",
373 tgt_name(tsi->tsi_tgt), -EPROTO);
374 RETURN(err_serious(-EPROTO));
380 if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
381 lustre_swab_obdo(wobdo);
382 lustre_get_wire_obdo(NULL, lobdo, wobdo);
383 la_from_obdo(attr, lobdo, lobdo->o_valid);
385 rc = out_tx_attr_set(tsi->tsi_env, obj, attr, &tti->tti_tea,
386 tti->tti_u.update.tti_update_reply,
387 tti->tti_u.update.tti_update_reply_index);
392 static int out_attr_get(struct tgt_session_info *tsi)
394 const struct lu_env *env = tsi->tsi_env;
395 struct tgt_thread_info *tti = tgt_th_info(env);
396 struct obdo *obdo = &tti->tti_u.update.tti_obdo;
397 struct lu_attr *la = &tti->tti_attr;
398 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
399 int idx = tti->tti_u.update.tti_update_reply_index;
404 if (!lu_object_exists(&obj->do_lu)) {
405 /* Usually, this will be called when the master MDT try
406 * to init a remote object(see osp_object_init), so if
407 * the object does not exist on slave, we need set BANSHEE flag,
408 * so the object can be removed from the cache immediately */
409 set_bit(LU_OBJECT_HEARD_BANSHEE,
410 &obj->do_lu.lo_header->loh_flags);
414 dt_read_lock(env, obj, MOR_TGT_CHILD);
415 rc = dt_attr_get(env, obj, la);
417 GOTO(out_unlock, rc);
420 obdo_from_la(obdo, la, la->la_valid);
421 lustre_set_wire_obdo(NULL, obdo, obdo);
424 dt_read_unlock(env, obj);
426 CDEBUG(D_INFO, "%s: insert attr get reply %p index %d: rc = %d\n",
427 tgt_name(tsi->tsi_tgt), tti->tti_u.update.tti_update_reply,
430 object_update_result_insert(tti->tti_u.update.tti_update_reply, obdo,
431 sizeof(*obdo), idx, rc);
436 static int out_xattr_get(struct tgt_session_info *tsi)
438 const struct lu_env *env = tsi->tsi_env;
439 struct tgt_thread_info *tti = tgt_th_info(env);
440 struct object_update *update = tti->tti_u.update.tti_update;
441 struct lu_buf *lbuf = &tti->tti_buf;
442 struct object_update_reply *reply = tti->tti_u.update.tti_update_reply;
443 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
445 struct object_update_result *update_result;
446 int idx = tti->tti_u.update.tti_update_reply_index;
451 if (!lu_object_exists(&obj->do_lu)) {
452 set_bit(LU_OBJECT_HEARD_BANSHEE,
453 &obj->do_lu.lo_header->loh_flags);
457 name = object_update_param_get(update, 0, NULL);
459 CERROR("%s: empty name for xattr get: rc = %d\n",
460 tgt_name(tsi->tsi_tgt), -EPROTO);
461 RETURN(err_serious(-EPROTO));
464 update_result = object_update_result_get(reply, 0, NULL);
465 if (update_result == NULL) {
466 CERROR("%s: empty name for xattr get: rc = %d\n",
467 tgt_name(tsi->tsi_tgt), -EPROTO);
468 RETURN(err_serious(-EPROTO));
471 lbuf->lb_buf = update_result->our_data;
472 lbuf->lb_len = OUT_UPDATE_REPLY_SIZE -
473 cfs_size_round((unsigned long)update_result->our_data -
474 (unsigned long)update_result);
475 dt_read_lock(env, obj, MOR_TGT_CHILD);
476 rc = dt_xattr_get(env, obj, lbuf, name);
477 dt_read_unlock(env, obj);
484 GOTO(out, rc = -ENOENT);
488 CDEBUG(D_INFO, "%s: "DFID" get xattr %s len %d\n",
489 tgt_name(tsi->tsi_tgt), PFID(lu_object_fid(&obj->do_lu)),
490 name, (int)lbuf->lb_len);
495 object_update_result_insert(reply, lbuf->lb_buf, lbuf->lb_len, idx, rc);
499 static int out_index_lookup(struct tgt_session_info *tsi)
501 const struct lu_env *env = tsi->tsi_env;
502 struct tgt_thread_info *tti = tgt_th_info(env);
503 struct object_update *update = tti->tti_u.update.tti_update;
504 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
510 if (!lu_object_exists(&obj->do_lu))
513 name = object_update_param_get(update, 0, NULL);
515 CERROR("%s: empty name for lookup: rc = %d\n",
516 tgt_name(tsi->tsi_tgt), -EPROTO);
517 RETURN(err_serious(-EPROTO));
520 dt_read_lock(env, obj, MOR_TGT_CHILD);
521 if (!dt_try_as_dir(env, obj))
522 GOTO(out_unlock, rc = -ENOTDIR);
524 rc = dt_lookup(env, obj, (struct dt_rec *)&tti->tti_fid1,
525 (struct dt_key *)name);
528 GOTO(out_unlock, rc);
534 dt_read_unlock(env, obj);
536 CDEBUG(D_INFO, "lookup "DFID" %s get "DFID" rc %d\n",
537 PFID(lu_object_fid(&obj->do_lu)), name,
538 PFID(&tti->tti_fid1), rc);
540 CDEBUG(D_INFO, "%s: insert lookup reply %p index %d: rc = %d\n",
541 tgt_name(tsi->tsi_tgt), tti->tti_u.update.tti_update_reply,
544 object_update_result_insert(tti->tti_u.update.tti_update_reply,
545 &tti->tti_fid1, sizeof(tti->tti_fid1),
546 tti->tti_u.update.tti_update_reply_index, rc);
550 static int out_tx_xattr_set_exec(const struct lu_env *env,
554 struct dt_object *dt_obj = arg->object;
557 CDEBUG(D_INFO, "%s: set xattr buf %p name %s flag %d\n",
558 dt_obd_name(th->th_dev), arg->u.xattr_set.buf.lb_buf,
559 arg->u.xattr_set.name, arg->u.xattr_set.flags);
561 if (!lu_object_exists(&dt_obj->do_lu))
562 GOTO(out, rc = -ENOENT);
564 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
565 rc = dt_xattr_set(env, dt_obj, &arg->u.xattr_set.buf,
566 arg->u.xattr_set.name, arg->u.xattr_set.flags, th);
568 * Ignore errors if this is LINK EA
570 if (unlikely(rc != 0 &&
571 strcmp(arg->u.xattr_set.name, XATTR_NAME_LINK) == 0)) {
572 /* XXX: If the linkEA is overflow, then we need to notify the
573 * namespace LFSCK to skip "nlink" attribute verification
574 * on this object to avoid the "nlink" to be shrinked by
575 * wrong. It may be not good an interaction with LFSCK
576 * like this. We will consider to replace it with other
577 * mechanism in future. LU-5802. */
579 struct lfsck_request *lr = &tgt_th_info(env)->tti_lr;
581 lfsck_pack_rfa(lr, lu_object_fid(&dt_obj->do_lu),
582 LE_SKIP_NLINK, LFSCK_TYPE_NAMESPACE);
583 tgt_lfsck_in_notify(env,
584 tgt_ses_info(env)->tsi_tgt->lut_bottom, lr, th);
589 dt_write_unlock(env, dt_obj);
592 CDEBUG(D_INFO, "%s: insert xattr set reply %p index %d: rc = %d\n",
593 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
595 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
600 static int __out_tx_xattr_set(const struct lu_env *env,
601 struct dt_object *dt_obj,
602 const struct lu_buf *buf,
603 const char *name, int flags,
604 struct thandle_exec_args *ta,
605 struct object_update_reply *reply,
606 int index, const char *file, int line)
611 LASSERT(ta->ta_handle != NULL);
612 rc = dt_declare_xattr_set(env, dt_obj, buf, name, flags, ta->ta_handle);
616 if (strcmp(name, XATTR_NAME_LINK) == 0) {
617 struct lfsck_request *lr = &tgt_th_info(env)->tti_lr;
619 /* XXX: If the linkEA is overflow, then we need to notify the
620 * namespace LFSCK to skip "nlink" attribute verification
621 * on this object to avoid the "nlink" to be shrinked by
622 * wrong. It may be not good an interaction with LFSCK
623 * like this. We will consider to replace it with other
624 * mechanism in future. LU-5802. */
625 lfsck_pack_rfa(lr, lu_object_fid(&dt_obj->do_lu),
626 LE_SKIP_NLINK_DECLARE, LFSCK_TYPE_NAMESPACE);
627 rc = tgt_lfsck_in_notify(env,
628 tgt_ses_info(env)->tsi_tgt->lut_bottom,
634 arg = tx_add_exec(ta, out_tx_xattr_set_exec, NULL, file, line);
638 lu_object_get(&dt_obj->do_lu);
639 arg->object = dt_obj;
640 arg->u.xattr_set.name = name;
641 arg->u.xattr_set.flags = flags;
642 arg->u.xattr_set.buf = *buf;
645 arg->u.xattr_set.csum = 0;
649 static int out_xattr_set(struct tgt_session_info *tsi)
651 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
652 struct object_update *update = tti->tti_u.update.tti_update;
653 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
654 struct lu_buf *lbuf = &tti->tti_buf;
664 name = object_update_param_get(update, 0, NULL);
666 CERROR("%s: empty name for xattr set: rc = %d\n",
667 tgt_name(tsi->tsi_tgt), -EPROTO);
668 RETURN(err_serious(-EPROTO));
671 buf = object_update_param_get(update, 1, &buf_len);
672 if (buf == NULL || buf_len == 0) {
673 CERROR("%s: empty buf for xattr set: rc = %d\n",
674 tgt_name(tsi->tsi_tgt), -EPROTO);
675 RETURN(err_serious(-EPROTO));
679 lbuf->lb_len = buf_len;
681 tmp = object_update_param_get(update, 2, &size);
682 if (tmp == NULL || size != sizeof(*tmp)) {
683 CERROR("%s: emptry or wrong size %zu flag: rc = %d\n",
684 tgt_name(tsi->tsi_tgt), size, -EPROTO);
685 RETURN(err_serious(-EPROTO));
688 if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
692 rc = out_tx_xattr_set(tsi->tsi_env, obj, lbuf, name, flag,
694 tti->tti_u.update.tti_update_reply,
695 tti->tti_u.update.tti_update_reply_index);
699 static int out_tx_xattr_del_exec(const struct lu_env *env, struct thandle *th,
702 struct dt_object *dt_obj = arg->object;
705 CDEBUG(D_INFO, "%s: del xattr name '%s' on "DFID"\n",
706 dt_obd_name(th->th_dev), arg->u.xattr_set.name,
707 PFID(lu_object_fid(&dt_obj->do_lu)));
709 if (!lu_object_exists(&dt_obj->do_lu))
710 GOTO(out, rc = -ENOENT);
712 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
713 rc = dt_xattr_del(env, dt_obj, arg->u.xattr_set.name, th);
714 dt_write_unlock(env, dt_obj);
716 CDEBUG(D_INFO, "%s: insert xattr del reply %p index %d: rc = %d\n",
717 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
719 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
724 static int __out_tx_xattr_del(const struct lu_env *env,
725 struct dt_object *dt_obj, const char *name,
726 struct thandle_exec_args *ta,
727 struct object_update_reply *reply,
728 int index, const char *file, int line)
733 rc = dt_declare_xattr_del(env, dt_obj, name, ta->ta_handle);
737 arg = tx_add_exec(ta, out_tx_xattr_del_exec, NULL, file, line);
741 lu_object_get(&dt_obj->do_lu);
742 arg->object = dt_obj;
743 arg->u.xattr_set.name = name;
749 static int out_xattr_del(struct tgt_session_info *tsi)
751 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
752 struct object_update *update = tti->tti_u.update.tti_update;
753 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
758 name = object_update_param_get(update, 0, NULL);
760 CERROR("%s: empty name for xattr set: rc = %d\n",
761 tgt_name(tsi->tsi_tgt), -EPROTO);
762 RETURN(err_serious(-EPROTO));
765 rc = out_tx_xattr_del(tsi->tsi_env, obj, name, &tti->tti_tea,
766 tti->tti_u.update.tti_update_reply,
767 tti->tti_u.update.tti_update_reply_index);
771 static int out_obj_ref_add(const struct lu_env *env,
772 struct dt_object *dt_obj,
777 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
778 rc = dt_ref_add(env, dt_obj, th);
779 dt_write_unlock(env, dt_obj);
784 static int out_obj_ref_del(const struct lu_env *env,
785 struct dt_object *dt_obj,
790 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
791 rc = dt_ref_del(env, dt_obj, th);
792 dt_write_unlock(env, dt_obj);
797 static int out_tx_ref_add_exec(const struct lu_env *env, struct thandle *th,
800 struct dt_object *dt_obj = arg->object;
803 rc = out_obj_ref_add(env, dt_obj, th);
805 CDEBUG(D_INFO, "%s: insert ref_add reply %p index %d: rc = %d\n",
806 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
808 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
812 static int out_tx_ref_add_undo(const struct lu_env *env, struct thandle *th,
815 return out_obj_ref_del(env, arg->object, th);
818 static int __out_tx_ref_add(const struct lu_env *env,
819 struct dt_object *dt_obj,
820 struct thandle_exec_args *ta,
821 struct object_update_reply *reply,
822 int index, const char *file, int line)
827 LASSERT(ta->ta_handle != NULL);
828 rc = dt_declare_ref_add(env, dt_obj, ta->ta_handle);
832 arg = tx_add_exec(ta, out_tx_ref_add_exec, out_tx_ref_add_undo, file,
837 lu_object_get(&dt_obj->do_lu);
838 arg->object = dt_obj;
845 * increase ref of the object
847 static int out_ref_add(struct tgt_session_info *tsi)
849 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
850 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
855 rc = out_tx_ref_add(tsi->tsi_env, obj, &tti->tti_tea,
856 tti->tti_u.update.tti_update_reply,
857 tti->tti_u.update.tti_update_reply_index);
861 static int out_tx_ref_del_exec(const struct lu_env *env, struct thandle *th,
864 struct dt_object *dt_obj = arg->object;
867 rc = out_obj_ref_del(env, dt_obj, th);
869 CDEBUG(D_INFO, "%s: insert ref_del reply %p index %d: rc = %d\n",
870 dt_obd_name(th->th_dev), arg->reply, arg->index, 0);
872 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
877 static int out_tx_ref_del_undo(const struct lu_env *env, struct thandle *th,
880 return out_obj_ref_add(env, arg->object, th);
883 static int __out_tx_ref_del(const struct lu_env *env,
884 struct dt_object *dt_obj,
885 struct thandle_exec_args *ta,
886 struct object_update_reply *reply,
887 int index, const char *file, int line)
892 LASSERT(ta->ta_handle != NULL);
893 rc = dt_declare_ref_del(env, dt_obj, ta->ta_handle);
897 arg = tx_add_exec(ta, out_tx_ref_del_exec, out_tx_ref_del_undo, file,
902 lu_object_get(&dt_obj->do_lu);
903 arg->object = dt_obj;
909 static int out_ref_del(struct tgt_session_info *tsi)
911 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
912 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
917 if (!lu_object_exists(&obj->do_lu))
920 rc = out_tx_ref_del(tsi->tsi_env, obj, &tti->tti_tea,
921 tti->tti_u.update.tti_update_reply,
922 tti->tti_u.update.tti_update_reply_index);
926 static int out_obj_index_insert(const struct lu_env *env,
927 struct dt_object *dt_obj,
928 const struct dt_rec *rec,
929 const struct dt_key *key,
934 CDEBUG(D_INFO, "%s: index insert "DFID" name: %s fid "DFID", type %u\n",
935 dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
936 (char *)key, PFID(((struct dt_insert_rec *)rec)->rec_fid),
937 ((struct dt_insert_rec *)rec)->rec_type);
939 if (dt_try_as_dir(env, dt_obj) == 0)
942 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
943 rc = dt_insert(env, dt_obj, rec, key, th, 0);
944 dt_write_unlock(env, dt_obj);
949 static int out_obj_index_delete(const struct lu_env *env,
950 struct dt_object *dt_obj,
951 const struct dt_key *key,
956 CDEBUG(D_INFO, "%s: index delete "DFID" name: %s\n",
957 dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
960 if (dt_try_as_dir(env, dt_obj) == 0)
963 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
964 rc = dt_delete(env, dt_obj, key, th);
965 dt_write_unlock(env, dt_obj);
970 static int out_tx_index_insert_exec(const struct lu_env *env,
971 struct thandle *th, struct tx_arg *arg)
973 struct dt_object *dt_obj = arg->object;
976 if (unlikely(!dt_object_exists(dt_obj)))
979 rc = out_obj_index_insert(env, dt_obj,
980 (const struct dt_rec *)&arg->u.insert.rec,
981 arg->u.insert.key, th);
983 CDEBUG(D_INFO, "%s: insert idx insert reply %p index %d: rc = %d\n",
984 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
986 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
991 static int out_tx_index_insert_undo(const struct lu_env *env,
992 struct thandle *th, struct tx_arg *arg)
994 return out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
997 static int __out_tx_index_insert(const struct lu_env *env,
998 struct dt_object *dt_obj,
999 const struct dt_rec *rec,
1000 const struct dt_key *key,
1001 struct thandle_exec_args *ta,
1002 struct object_update_reply *reply,
1003 int index, const char *file, int line)
1008 LASSERT(ta->ta_handle != NULL);
1009 if (dt_try_as_dir(env, dt_obj) == 0) {
1014 rc = dt_declare_insert(env, dt_obj, rec, key, ta->ta_handle);
1018 arg = tx_add_exec(ta, out_tx_index_insert_exec,
1019 out_tx_index_insert_undo, file, line);
1021 return PTR_ERR(arg);
1023 lu_object_get(&dt_obj->do_lu);
1024 arg->object = dt_obj;
1027 arg->u.insert.rec = *(const struct dt_insert_rec *)rec;
1028 arg->u.insert.key = key;
1033 static int out_index_insert(struct tgt_session_info *tsi)
1035 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
1036 struct object_update *update = tti->tti_u.update.tti_update;
1037 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
1038 struct dt_insert_rec *rec = &tti->tti_rec;
1046 name = object_update_param_get(update, 0, NULL);
1048 CERROR("%s: empty name for index insert: rc = %d\n",
1049 tgt_name(tsi->tsi_tgt), -EPROTO);
1050 RETURN(err_serious(-EPROTO));
1053 fid = object_update_param_get(update, 1, &size);
1054 if (fid == NULL || size != sizeof(*fid)) {
1055 CERROR("%s: invalid fid: rc = %d\n",
1056 tgt_name(tsi->tsi_tgt), -EPROTO);
1057 RETURN(err_serious(-EPROTO));
1060 if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
1061 lustre_swab_lu_fid(fid);
1063 if (!fid_is_sane(fid)) {
1064 CERROR("%s: invalid FID "DFID": rc = %d\n",
1065 tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
1066 RETURN(err_serious(-EPROTO));
1069 ptype = object_update_param_get(update, 2, &size);
1070 if (ptype == NULL || size != sizeof(*ptype)) {
1071 CERROR("%s: invalid type for index insert: rc = %d\n",
1072 tgt_name(tsi->tsi_tgt), -EPROTO);
1073 RETURN(err_serious(-EPROTO));
1076 if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
1080 rec->rec_type = *ptype;
1082 rc = out_tx_index_insert(tsi->tsi_env, obj, (const struct dt_rec *)rec,
1083 (const struct dt_key *)name, &tti->tti_tea,
1084 tti->tti_u.update.tti_update_reply,
1085 tti->tti_u.update.tti_update_reply_index);
1089 static int out_tx_index_delete_exec(const struct lu_env *env,
1095 rc = out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
1097 CDEBUG(D_INFO, "%s: delete idx insert reply %p index %d: rc = %d\n",
1098 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1100 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
1105 static int out_tx_index_delete_undo(const struct lu_env *env,
1109 CERROR("%s: Oops, can not rollback index_delete yet: rc = %d\n",
1110 dt_obd_name(th->th_dev), -ENOTSUPP);
1114 static int __out_tx_index_delete(const struct lu_env *env,
1115 struct dt_object *dt_obj,
1116 const struct dt_key *key,
1117 struct thandle_exec_args *ta,
1118 struct object_update_reply *reply,
1119 int index, const char *file, int line)
1124 if (dt_try_as_dir(env, dt_obj) == 0) {
1129 LASSERT(ta->ta_handle != NULL);
1130 rc = dt_declare_delete(env, dt_obj, key, ta->ta_handle);
1134 arg = tx_add_exec(ta, out_tx_index_delete_exec,
1135 out_tx_index_delete_undo, file, line);
1137 return PTR_ERR(arg);
1139 lu_object_get(&dt_obj->do_lu);
1140 arg->object = dt_obj;
1143 arg->u.insert.key = key;
1147 static int out_index_delete(struct tgt_session_info *tsi)
1149 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
1150 struct object_update *update = tti->tti_u.update.tti_update;
1151 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
1155 if (!lu_object_exists(&obj->do_lu))
1158 name = object_update_param_get(update, 0, NULL);
1160 CERROR("%s: empty name for index delete: rc = %d\n",
1161 tgt_name(tsi->tsi_tgt), -EPROTO);
1162 RETURN(err_serious(-EPROTO));
1165 rc = out_tx_index_delete(tsi->tsi_env, obj, (const struct dt_key *)name,
1167 tti->tti_u.update.tti_update_reply,
1168 tti->tti_u.update.tti_update_reply_index);
1172 static int out_tx_destroy_exec(const struct lu_env *env, struct thandle *th,
1175 struct dt_object *dt_obj = arg->object;
1178 rc = out_obj_destroy(env, dt_obj, th);
1180 CDEBUG(D_INFO, "%s: insert destroy reply %p index %d: rc = %d\n",
1181 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1183 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
1188 static int out_tx_destroy_undo(const struct lu_env *env, struct thandle *th,
1191 CERROR("%s: not support destroy undo yet!: rc = %d\n",
1192 dt_obd_name(th->th_dev), -ENOTSUPP);
1196 static int __out_tx_destroy(const struct lu_env *env, struct dt_object *dt_obj,
1197 struct thandle_exec_args *ta,
1198 struct object_update_reply *reply,
1199 int index, const char *file, int line)
1204 LASSERT(ta->ta_handle != NULL);
1205 rc = dt_declare_destroy(env, dt_obj, ta->ta_handle);
1209 arg = tx_add_exec(ta, out_tx_destroy_exec, out_tx_destroy_undo,
1212 return PTR_ERR(arg);
1214 lu_object_get(&dt_obj->do_lu);
1215 arg->object = dt_obj;
1221 static int out_destroy(struct tgt_session_info *tsi)
1223 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
1224 struct object_update *update = tti->tti_u.update.tti_update;
1225 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
1230 fid = &update->ou_fid;
1231 if (!fid_is_sane(fid)) {
1232 CERROR("%s: invalid FID "DFID": rc = %d\n",
1233 tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
1234 RETURN(err_serious(-EPROTO));
1237 if (!lu_object_exists(&obj->do_lu))
1240 rc = out_tx_destroy(tsi->tsi_env, obj, &tti->tti_tea,
1241 tti->tti_u.update.tti_update_reply,
1242 tti->tti_u.update.tti_update_reply_index);
1247 static int out_tx_write_exec(const struct lu_env *env, struct thandle *th,
1250 struct dt_object *dt_obj = arg->object;
1253 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
1254 rc = dt_record_write(env, dt_obj, &arg->u.write.buf,
1255 &arg->u.write.pos, th);
1256 dt_write_unlock(env, dt_obj);
1259 rc = arg->u.write.buf.lb_len;
1261 object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
1263 return rc > 0 ? 0 : rc;
1266 static int __out_tx_write(const struct lu_env *env,
1267 struct dt_object *dt_obj,
1268 const struct lu_buf *buf,
1269 loff_t pos, struct thandle_exec_args *ta,
1270 struct object_update_reply *reply,
1271 int index, const char *file, int line)
1276 LASSERT(ta->ta_handle != NULL);
1277 rc = dt_declare_record_write(env, dt_obj, buf, pos, ta->ta_handle);
1281 arg = tx_add_exec(ta, out_tx_write_exec, NULL, file, line);
1283 return PTR_ERR(arg);
1285 lu_object_get(&dt_obj->do_lu);
1286 arg->object = dt_obj;
1287 arg->u.write.buf = *buf;
1288 arg->u.write.pos = pos;
1294 static int out_write(struct tgt_session_info *tsi)
1296 struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
1297 struct object_update *update = tti->tti_u.update.tti_update;
1298 struct dt_object *obj = tti->tti_u.update.tti_dt_object;
1299 struct lu_buf *lbuf = &tti->tti_buf;
1308 buf = object_update_param_get(update, 0, &buf_len);
1309 if (buf == NULL || buf_len == 0) {
1310 CERROR("%s: empty buf for xattr set: rc = %d\n",
1311 tgt_name(tsi->tsi_tgt), -EPROTO);
1312 RETURN(err_serious(-EPROTO));
1315 lbuf->lb_len = buf_len;
1317 tmp = object_update_param_get(update, 1, &size);
1318 if (tmp == NULL || size != sizeof(*tmp)) {
1319 CERROR("%s: empty or wrong size %zu pos: rc = %d\n",
1320 tgt_name(tsi->tsi_tgt), size, -EPROTO);
1321 RETURN(err_serious(-EPROTO));
1324 if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
1328 rc = out_tx_write(tsi->tsi_env, obj, lbuf, pos,
1330 tti->tti_u.update.tti_update_reply,
1331 tti->tti_u.update.tti_update_reply_index);
1335 #define DEF_OUT_HNDL(opc, name, flags, fn) \
1336 [opc - OUT_CREATE] = { \
1340 .th_flags = flags, \
1346 static struct tgt_handler out_update_ops[] = {
1347 DEF_OUT_HNDL(OUT_CREATE, "out_create", MUTABOR | HABEO_REFERO,
1349 DEF_OUT_HNDL(OUT_DESTROY, "out_create", MUTABOR | HABEO_REFERO,
1351 DEF_OUT_HNDL(OUT_REF_ADD, "out_ref_add", MUTABOR | HABEO_REFERO,
1353 DEF_OUT_HNDL(OUT_REF_DEL, "out_ref_del", MUTABOR | HABEO_REFERO,
1355 DEF_OUT_HNDL(OUT_ATTR_SET, "out_attr_set", MUTABOR | HABEO_REFERO,
1357 DEF_OUT_HNDL(OUT_ATTR_GET, "out_attr_get", HABEO_REFERO,
1359 DEF_OUT_HNDL(OUT_XATTR_SET, "out_xattr_set", MUTABOR | HABEO_REFERO,
1361 DEF_OUT_HNDL(OUT_XATTR_DEL, "out_xattr_del", MUTABOR | HABEO_REFERO,
1363 DEF_OUT_HNDL(OUT_XATTR_GET, "out_xattr_get", HABEO_REFERO,
1365 DEF_OUT_HNDL(OUT_INDEX_LOOKUP, "out_index_lookup", HABEO_REFERO,
1367 DEF_OUT_HNDL(OUT_INDEX_INSERT, "out_index_insert",
1368 MUTABOR | HABEO_REFERO, out_index_insert),
1369 DEF_OUT_HNDL(OUT_INDEX_DELETE, "out_index_delete",
1370 MUTABOR | HABEO_REFERO, out_index_delete),
1371 DEF_OUT_HNDL(OUT_WRITE, "out_write", MUTABOR | HABEO_REFERO, out_write),
1374 static struct tgt_handler *out_handler_find(__u32 opc)
1376 struct tgt_handler *h;
1379 if (OUT_CREATE <= opc && opc < OUT_LAST) {
1380 h = &out_update_ops[opc - OUT_CREATE];
1381 LASSERTF(h->th_opc == opc, "opcode mismatch %d != %d\n",
1384 h = NULL; /* unsupported opc */
1389 static int out_tx_start(const struct lu_env *env, struct dt_device *dt,
1390 struct thandle_exec_args *ta, struct obd_export *exp)
1393 ta->ta_handle = dt_trans_create(env, dt);
1394 if (IS_ERR(ta->ta_handle)) {
1397 rc = PTR_ERR(ta->ta_handle);
1398 ta->ta_handle = NULL;
1399 CERROR("%s: start handle error: rc = %d\n", dt_obd_name(dt),
1403 if (exp->exp_need_sync)
1404 ta->ta_handle->th_sync = 1;
1409 static int out_trans_start(const struct lu_env *env,
1410 struct thandle_exec_args *ta)
1412 return dt_trans_start(env, ta->ta_handle->th_dev, ta->ta_handle);
1415 static int out_trans_stop(const struct lu_env *env,
1416 struct thandle_exec_args *ta, int err)
1421 ta->ta_handle->th_result = err;
1422 rc = dt_trans_stop(env, ta->ta_handle->th_dev, ta->ta_handle);
1423 for (i = 0; i < ta->ta_argno; i++) {
1424 if (ta->ta_args[i]->object != NULL) {
1425 struct dt_object *obj = ta->ta_args[i]->object;
1427 /* If the object is being created during this
1428 * transaction, we need to remove them from the
1429 * cache immediately, because a few layers are
1430 * missing in OUT handler, i.e. the object might
1431 * not be initialized in all layers */
1432 if (ta->ta_args[i]->exec_fn == out_tx_create_exec)
1433 set_bit(LU_OBJECT_HEARD_BANSHEE,
1434 &obj->do_lu.lo_header->loh_flags);
1435 lu_object_put(env, &ta->ta_args[i]->object->do_lu);
1436 ta->ta_args[i]->object = NULL;
1439 ta->ta_handle = NULL;
1445 static int out_tx_end(const struct lu_env *env, struct thandle_exec_args *ta,
1448 struct tgt_session_info *tsi = tgt_ses_info(env);
1454 if (ta->ta_handle == NULL)
1457 if (declare_ret != 0 || ta->ta_argno == 0)
1458 GOTO(stop, rc = declare_ret);
1460 LASSERT(ta->ta_handle->th_dev != NULL);
1461 rc = out_trans_start(env, ta);
1462 if (unlikely(rc != 0))
1465 for (i = 0; i < ta->ta_argno; i++) {
1466 rc = ta->ta_args[i]->exec_fn(env, ta->ta_handle,
1468 if (unlikely(rc != 0)) {
1469 CDEBUG(D_INFO, "error during execution of #%u from"
1470 " %s:%d: rc = %d\n", i, ta->ta_args[i]->file,
1471 ta->ta_args[i]->line, rc);
1473 if (ta->ta_args[i]->undo_fn != NULL)
1474 ta->ta_args[i]->undo_fn(env,
1478 CERROR("%s: undo for %s:%d: rc = %d\n",
1479 dt_obd_name(ta->ta_handle->th_dev),
1480 ta->ta_args[i]->file,
1481 ta->ta_args[i]->line, -ENOTSUPP);
1485 CDEBUG(D_INFO, "%s: executed %u/%u: rc = %d\n",
1486 dt_obd_name(ta->ta_handle->th_dev), i, ta->ta_argno, rc);
1489 /* Only fail for real update */
1490 tsi->tsi_reply_fail_id = OBD_FAIL_OUT_UPDATE_NET_REP;
1492 rc1 = out_trans_stop(env, ta, rc);
1496 ta->ta_handle = NULL;
1503 * Object updates between Targets. Because all the updates has been
1504 * dis-assemblied into object updates at sender side, so OUT will
1505 * call OSD API directly to execute these updates.
1507 * In DNE phase I all of the updates in the request need to be executed
1508 * in one transaction, and the transaction has to be synchronously.
1510 * Please refer to lustre/include/lustre/lustre_idl.h for req/reply
1513 int out_handle(struct tgt_session_info *tsi)
1515 const struct lu_env *env = tsi->tsi_env;
1516 struct tgt_thread_info *tti = tgt_th_info(env);
1517 struct thandle_exec_args *ta = &tti->tti_tea;
1518 struct req_capsule *pill = tsi->tsi_pill;
1519 struct dt_device *dt = tsi->tsi_tgt->lut_bottom;
1520 struct object_update_request *ureq;
1521 struct object_update *update;
1522 struct object_update_reply *reply;
1525 int current_batchid = -1;
1532 req_capsule_set(pill, &RQF_OUT_UPDATE);
1533 ureq = req_capsule_client_get(pill, &RMF_OUT_UPDATE);
1535 CERROR("%s: No buf!: rc = %d\n", tgt_name(tsi->tsi_tgt),
1537 RETURN(err_serious(-EPROTO));
1540 bufsize = req_capsule_get_size(pill, &RMF_OUT_UPDATE, RCL_CLIENT);
1541 if (bufsize != object_update_request_size(ureq)) {
1542 CERROR("%s: invalid bufsize %d: rc = %d\n",
1543 tgt_name(tsi->tsi_tgt), bufsize, -EPROTO);
1544 RETURN(err_serious(-EPROTO));
1547 if (ureq->ourq_magic != UPDATE_REQUEST_MAGIC) {
1548 CERROR("%s: invalid update buffer magic %x expect %x: "
1549 "rc = %d\n", tgt_name(tsi->tsi_tgt), ureq->ourq_magic,
1550 UPDATE_REQUEST_MAGIC, -EPROTO);
1551 RETURN(err_serious(-EPROTO));
1554 count = ureq->ourq_count;
1556 CERROR("%s: empty update: rc = %d\n", tgt_name(tsi->tsi_tgt),
1558 RETURN(err_serious(-EPROTO));
1561 req_capsule_set_size(pill, &RMF_OUT_UPDATE_REPLY, RCL_SERVER,
1562 OUT_UPDATE_REPLY_SIZE);
1563 rc = req_capsule_server_pack(pill);
1565 CERROR("%s: Can't pack response: rc = %d\n",
1566 tgt_name(tsi->tsi_tgt), rc);
1570 /* Prepare the update reply buffer */
1571 reply = req_capsule_server_get(pill, &RMF_OUT_UPDATE_REPLY);
1573 RETURN(err_serious(-EPROTO));
1574 object_update_reply_init(reply, count);
1575 tti->tti_u.update.tti_update_reply = reply;
1576 tti->tti_mult_trans = !req_is_replay(tgt_ses_req(tsi));
1578 /* Walk through updates in the request to execute them synchronously */
1579 for (i = 0; i < count; i++) {
1580 struct tgt_handler *h;
1581 struct dt_object *dt_obj;
1583 update = object_update_request_get(ureq, i, NULL);
1585 GOTO(out, rc = -EPROTO);
1587 if (ptlrpc_req_need_swab(pill->rc_req))
1588 lustre_swab_object_update(update);
1590 if (!fid_is_sane(&update->ou_fid)) {
1591 CERROR("%s: invalid FID "DFID": rc = %d\n",
1592 tgt_name(tsi->tsi_tgt), PFID(&update->ou_fid),
1594 GOTO(out, rc = err_serious(-EPROTO));
1597 dt_obj = dt_locate(env, dt, &update->ou_fid);
1599 GOTO(out, rc = PTR_ERR(dt_obj));
1601 if (dt->dd_record_fid_accessed) {
1602 lfsck_pack_rfa(&tti->tti_lr,
1603 lu_object_fid(&dt_obj->do_lu),
1606 tgt_lfsck_in_notify(env, dt, &tti->tti_lr, NULL);
1609 tti->tti_u.update.tti_dt_object = dt_obj;
1610 tti->tti_u.update.tti_update = update;
1611 tti->tti_u.update.tti_update_reply_index = i;
1613 h = out_handler_find(update->ou_type);
1614 if (unlikely(h == NULL)) {
1615 CERROR("%s: unsupported opc: 0x%x\n",
1616 tgt_name(tsi->tsi_tgt), update->ou_type);
1617 GOTO(next, rc = -ENOTSUPP);
1620 /* Check resend case only for modifying RPC */
1621 if (h->th_flags & MUTABOR) {
1622 struct ptlrpc_request *req = tgt_ses_req(tsi);
1624 if (out_check_resent(env, dt, dt_obj, req,
1625 out_reconstruct, reply, i))
1629 /* start transaction for modification RPC only */
1630 if (h->th_flags & MUTABOR && current_batchid == -1) {
1631 current_batchid = update->ou_batchid;
1632 rc = out_tx_start(env, dt, ta, tsi->tsi_exp);
1637 /* Stop the current update transaction, if the update has
1638 * different batchid, or read-only update */
1639 if (((current_batchid != update->ou_batchid) ||
1640 !(h->th_flags & MUTABOR)) && ta->ta_handle != NULL) {
1641 rc = out_tx_end(env, ta, rc);
1642 current_batchid = -1;
1646 /* start a new transaction if needed */
1647 if (h->th_flags & MUTABOR) {
1648 rc = out_tx_start(env, dt, ta, tsi->tsi_exp);
1652 current_batchid = update->ou_batchid;
1656 rc = h->th_act(tsi);
1658 lu_object_put(env, &dt_obj->do_lu);
1663 if (current_batchid != -1) {
1664 rc1 = out_tx_end(env, ta, rc);
1672 struct tgt_handler tgt_out_handlers[] = {
1673 TGT_UPDATE_HDL(MUTABOR, OUT_UPDATE, out_handle),
1675 EXPORT_SYMBOL(tgt_out_handlers);