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) 2014, 2017, Intel Corporation.
26 * lustre/target/out_lib.c
28 * Author: Di Wang <di.wang@intel.com>
29 * Author: Fan, Yong <fan.yong@intel.com>
32 #define DEBUG_SUBSYSTEM S_CLASS
34 #include <lu_target.h>
35 #include <lustre_obdo.h>
36 #include <lustre_update.h>
37 #include <md_object.h>
39 #include <obd_class.h>
40 #include <lustre_linkea.h>
42 #include "tgt_internal.h"
44 const char *update_op_str(__u16 opc)
46 static const char *opc_str[] = {
47 [OUT_START] = "start",
48 [OUT_CREATE] = "create",
49 [OUT_DESTROY] = "destroy",
50 [OUT_REF_ADD] = "ref_add",
51 [OUT_REF_DEL] = "ref_del" ,
52 [OUT_ATTR_SET] = "attr_set",
53 [OUT_ATTR_GET] = "attr_get",
54 [OUT_XATTR_SET] = "xattr_set",
55 [OUT_XATTR_GET] = "xattr_get",
56 [OUT_XATTR_LIST] = "xattr_list",
57 [OUT_INDEX_LOOKUP] = "lookup",
58 [OUT_INDEX_INSERT] = "insert",
59 [OUT_INDEX_DELETE] = "delete",
60 [OUT_WRITE] = "write",
61 [OUT_XATTR_DEL] = "xattr_del",
62 [OUT_PUNCH] = "punch",
67 if (opc < ARRAY_SIZE(opc_str) && opc_str[opc] != NULL)
72 EXPORT_SYMBOL(update_op_str);
75 * Fill object update header
77 * Only fill the object update header, and parameters will be filled later
80 * \params[in] env execution environment
81 * \params[in] update object update to be filled
82 * \params[in,out] max_update_size maximum object update size, if the
83 * current update length equals or
84 * exceeds the size, it will return -E2BIG.
85 * \params[in] update_op update type
86 * \params[in] fid object FID of the update
87 * \params[in] param_count the count of the update parameters
88 * \params[in] param_sizes the length of each parameters
90 * \retval 0 if packing succeeds.
91 * \retval -E2BIG if packing exceeds the maximum length.
93 int out_update_header_pack(const struct lu_env *env,
94 struct object_update *update,
95 size_t *max_update_size,
96 enum update_type update_op,
97 const struct lu_fid *fid,
98 unsigned int param_count,
102 struct object_update_param *param;
106 if (reply_size >= LNET_MTU)
109 /* Check whether the packing exceeding the maxima update length */
110 update_size = sizeof(*update);
111 for (i = 0; i < param_count; i++)
112 update_size += cfs_size_round(sizeof(*param) + param_sizes[i]);
114 if (unlikely(update_size >= *max_update_size)) {
115 *max_update_size = update_size;
119 update->ou_fid = *fid;
120 update->ou_type = update_op;
121 update->ou_params_count = param_count;
122 update->ou_result_size = reply_size;
123 param = &update->ou_params[0];
124 for (i = 0; i < param_count; i++) {
125 param->oup_len = param_sizes[i];
126 param = (struct object_update_param *)((char *)param +
127 object_update_param_size(param));
134 * Packs one update into the update_buffer.
136 * \param[in] env execution environment
137 * \param[in] update update to be packed
138 * \param[in] max_update_size *maximum size of \a update
139 * \param[in] op update operation (enum update_type)
140 * \param[in] fid object FID for this update
141 * \param[in] param_count number of parameters for this update
142 * \param[in] param_sizes array of parameters length of this update
143 * \param[in] param_bufs parameter buffers
145 * \retval = 0 if updates packing succeeds
146 * \retval negative errno if updates packing fails
148 int out_update_pack(const struct lu_env *env, struct object_update *update,
149 size_t *max_update_size, enum update_type op,
150 const struct lu_fid *fid, unsigned int param_count,
151 __u16 *param_sizes, const void **param_bufs,
154 struct object_update_param *param;
159 rc = out_update_header_pack(env, update, max_update_size, op, fid,
160 param_count, param_sizes, reply_size);
164 param = &update->ou_params[0];
165 for (i = 0; i < param_count; i++) {
166 memcpy(¶m->oup_buf[0], param_bufs[i], param_sizes[i]);
167 param = (struct object_update_param *)((char *)param +
168 object_update_param_size(param));
173 EXPORT_SYMBOL(out_update_pack);
176 * Pack various updates into the update_buffer.
178 * The following functions pack different updates into the update_buffer
179 * So parameters of these API is basically same as its correspondent OSD/OSP
180 * API, for detail description of these parameters see osd_handler.c or
183 * \param[in] env execution environment
184 * \param[in] ubuf update buffer
185 * \param[in] fid fid of this object for the update
187 * \retval 0 if insertion succeeds.
188 * \retval negative errno if insertion fails.
190 int out_create_pack(const struct lu_env *env, struct object_update *update,
191 size_t *max_update_size, const struct lu_fid *fid,
192 const struct lu_attr *attr, struct dt_allocation_hint *hint,
193 struct dt_object_format *dof)
196 __u16 sizes[2] = {sizeof(*obdo), 0};
198 const struct lu_fid *parent_fid = NULL;
202 if (hint != NULL && hint->dah_parent) {
203 parent_fid = lu_object_fid(&hint->dah_parent->do_lu);
204 sizes[1] = sizeof(*parent_fid);
208 rc = out_update_header_pack(env, update, max_update_size, OUT_CREATE,
209 fid, buf_count, sizes, 0);
213 obdo = object_update_param_get(update, 0, NULL);
215 RETURN(PTR_ERR(obdo));
218 obdo_from_la(obdo, attr, attr->la_valid);
220 if (parent_fid != NULL) {
223 tmp = object_update_param_get(update, 1, NULL);
225 RETURN(PTR_ERR(tmp));
227 fid_cpu_to_le(tmp, parent_fid);
232 EXPORT_SYMBOL(out_create_pack);
234 int out_ref_del_pack(const struct lu_env *env, struct object_update *update,
235 size_t *max_update_size, const struct lu_fid *fid)
237 return out_update_pack(env, update, max_update_size, OUT_REF_DEL, fid,
240 EXPORT_SYMBOL(out_ref_del_pack);
242 int out_ref_add_pack(const struct lu_env *env, struct object_update *update,
243 size_t *max_update_size, const struct lu_fid *fid)
245 return out_update_pack(env, update, max_update_size, OUT_REF_ADD, fid,
248 EXPORT_SYMBOL(out_ref_add_pack);
250 int out_attr_set_pack(const struct lu_env *env, struct object_update *update,
251 size_t *max_update_size, const struct lu_fid *fid,
252 const struct lu_attr *attr)
255 __u16 size = sizeof(*obdo);
259 rc = out_update_header_pack(env, update, max_update_size,
260 OUT_ATTR_SET, fid, 1, &size, 0);
264 obdo = object_update_param_get(update, 0, NULL);
266 RETURN(PTR_ERR(obdo));
269 obdo_from_la(obdo, attr, attr->la_valid);
273 EXPORT_SYMBOL(out_attr_set_pack);
275 int out_xattr_set_pack(const struct lu_env *env, struct object_update *update,
276 size_t *max_update_size, const struct lu_fid *fid,
277 const struct lu_buf *buf, const char *name, __u32 flag)
279 __u16 sizes[3] = {strlen(name) + 1, buf->lb_len, sizeof(flag)};
280 const void *bufs[3] = {(char *)name, (char *)buf->lb_buf,
283 return out_update_pack(env, update, max_update_size, OUT_XATTR_SET,
284 fid, ARRAY_SIZE(sizes), sizes, bufs, 0);
286 EXPORT_SYMBOL(out_xattr_set_pack);
288 int out_xattr_del_pack(const struct lu_env *env, struct object_update *update,
289 size_t *max_update_size, const struct lu_fid *fid,
292 __u16 size = strlen(name) + 1;
294 return out_update_pack(env, update, max_update_size, OUT_XATTR_DEL,
295 fid, 1, &size, (const void **)&name, 0);
297 EXPORT_SYMBOL(out_xattr_del_pack);
299 int out_index_insert_pack(const struct lu_env *env,
300 struct object_update *update,
301 size_t *max_update_size, const struct lu_fid *fid,
302 const struct dt_rec *rec, const struct dt_key *key)
304 struct dt_insert_rec *rec1 = (struct dt_insert_rec *)rec;
305 struct lu_fid rec_fid;
306 __u32 type = cpu_to_le32(rec1->rec_type);
307 __u16 sizes[3] = { strlen((char *)key) + 1,
310 const void *bufs[3] = { (char *)key,
314 fid_cpu_to_le(&rec_fid, rec1->rec_fid);
316 return out_update_pack(env, update, max_update_size, OUT_INDEX_INSERT,
317 fid, ARRAY_SIZE(sizes), sizes, bufs, 0);
319 EXPORT_SYMBOL(out_index_insert_pack);
321 int out_index_delete_pack(const struct lu_env *env,
322 struct object_update *update,
323 size_t *max_update_size, const struct lu_fid *fid,
324 const struct dt_key *key)
326 __u16 size = strlen((char *)key) + 1;
327 const void *buf = key;
329 return out_update_pack(env, update, max_update_size, OUT_INDEX_DELETE,
330 fid, 1, &size, &buf, 0);
332 EXPORT_SYMBOL(out_index_delete_pack);
334 int out_destroy_pack(const struct lu_env *env, struct object_update *update,
335 size_t *max_update_size, const struct lu_fid *fid)
337 return out_update_pack(env, update, max_update_size, OUT_DESTROY, fid,
340 EXPORT_SYMBOL(out_destroy_pack);
342 int out_write_pack(const struct lu_env *env, struct object_update *update,
343 size_t *max_update_size, const struct lu_fid *fid,
344 const struct lu_buf *buf, __u64 pos)
346 __u16 sizes[2] = {buf->lb_len, sizeof(pos)};
347 const void *bufs[2] = {(char *)buf->lb_buf, (char *)&pos};
350 pos = cpu_to_le64(pos);
352 rc = out_update_pack(env, update, max_update_size, OUT_WRITE, fid,
353 ARRAY_SIZE(sizes), sizes, bufs, 0);
356 EXPORT_SYMBOL(out_write_pack);
359 * Pack various readonly updates into the update_buffer.
361 * The following update funcs are only used by read-only ops, lookup,
362 * getattr etc, so it does not need transaction here. Currently they
363 * are only used by OSP.
365 * \param[in] env execution environment
366 * \param[in] fid fid of this object for the update
367 * \param[in] ubuf update buffer
369 * \retval = 0 pack succeed.
372 int out_index_lookup_pack(const struct lu_env *env,
373 struct object_update *update,
374 size_t *max_update_size, const struct lu_fid *fid,
375 struct dt_rec *rec, const struct dt_key *key)
377 const void *name = key;
378 __u16 size = strlen((char *)name) + 1;
380 /* XXX: this shouldn't be hardcoded */
381 return out_update_pack(env, update, max_update_size, OUT_INDEX_LOOKUP,
382 fid, 1, &size, &name, 256);
384 EXPORT_SYMBOL(out_index_lookup_pack);
386 int out_attr_get_pack(const struct lu_env *env, struct object_update *update,
387 size_t *max_update_size, const struct lu_fid *fid)
389 return out_update_pack(env, update, max_update_size, OUT_ATTR_GET,
390 fid, 0, NULL, NULL, sizeof(struct obdo));
392 EXPORT_SYMBOL(out_attr_get_pack);
394 int out_xattr_get_pack(const struct lu_env *env, struct object_update *update,
395 size_t *max_update_size, const struct lu_fid *fid,
396 const char *name, const int bufsize)
400 LASSERT(name != NULL);
401 size = strlen(name) + 1;
403 return out_update_pack(env, update, max_update_size, OUT_XATTR_GET,
404 fid, 1, &size, (const void **)&name, bufsize);
406 EXPORT_SYMBOL(out_xattr_get_pack);
408 int out_xattr_list_pack(const struct lu_env *env, struct object_update *update,
409 size_t *max_update_size, const struct lu_fid *fid,
412 return out_update_pack(env, update, max_update_size, OUT_XATTR_LIST,
413 fid, 0, NULL, NULL, bufsize);
415 EXPORT_SYMBOL(out_xattr_list_pack);
417 int out_read_pack(const struct lu_env *env, struct object_update *update,
418 size_t *max_update_size, const struct lu_fid *fid,
419 size_t size, loff_t pos)
421 __u16 sizes[2] = {sizeof(size), sizeof(pos)};
422 const void *bufs[2] = {&size, &pos};
425 size = cpu_to_le64(size);
426 pos = cpu_to_le64(pos);
428 return out_update_pack(env, update, max_update_size, OUT_READ, fid,
429 ARRAY_SIZE(sizes), sizes, bufs, size);
431 EXPORT_SYMBOL(out_read_pack);
433 static int tx_extend_args(struct thandle_exec_args *ta, int new_alloc_ta)
435 struct tx_arg **new_ta;
439 if (ta->ta_alloc_args >= new_alloc_ta)
442 OBD_ALLOC(new_ta, sizeof(*new_ta) * new_alloc_ta);
446 for (i = 0; i < new_alloc_ta; i++) {
447 if (i < ta->ta_alloc_args) {
448 /* copy the old args to new one */
449 new_ta[i] = ta->ta_args[i];
451 OBD_ALLOC_PTR(new_ta[i]);
452 if (new_ta[i] == NULL)
453 GOTO(out, rc = -ENOMEM);
457 /* free the old args */
458 if (ta->ta_args != NULL)
459 OBD_FREE(ta->ta_args, sizeof(ta->ta_args[0]) *
462 ta->ta_args = new_ta;
463 ta->ta_alloc_args = new_alloc_ta;
466 for (i = 0; i < new_alloc_ta; i++) {
467 if (new_ta[i] != NULL)
468 OBD_FREE_PTR(new_ta[i]);
470 OBD_FREE(new_ta, sizeof(*new_ta) * new_alloc_ta);
475 #define TX_ALLOC_STEP 8
476 struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
477 tx_exec_func_t func, tx_exec_func_t undo,
478 const char *file, int line)
484 LASSERT(func != NULL);
486 if (ta->ta_argno + 1 >= ta->ta_alloc_args) {
487 rc = tx_extend_args(ta, ta->ta_alloc_args + TX_ALLOC_STEP);
496 ta->ta_args[i]->exec_fn = func;
497 ta->ta_args[i]->undo_fn = undo;
498 ta->ta_args[i]->file = file;
499 ta->ta_args[i]->line = line;
501 return ta->ta_args[i];
504 static int out_obj_destroy(const struct lu_env *env, struct dt_object *dt_obj,
509 CDEBUG(D_INFO, "%s: destroy "DFID"\n", dt_obd_name(th->th_dev),
510 PFID(lu_object_fid(&dt_obj->do_lu)));
512 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
513 rc = dt_destroy(env, dt_obj, th);
514 dt_write_unlock(env, dt_obj);
520 * All of the xxx_undo will be used once execution failed,
521 * But because all of the required resource has been reserved in
522 * declare phase, i.e. if declare succeed, it should make sure
523 * the following executing phase succeed in anyway, so these undo
524 * should be useless for most of the time in Phase I
526 static int out_tx_create_undo(const struct lu_env *env, struct thandle *th,
531 rc = out_obj_destroy(env, arg->object, th);
533 CERROR("%s: undo failure, we are doomed!: rc = %d\n",
534 dt_obd_name(th->th_dev), rc);
538 int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
541 struct dt_object *dt_obj = arg->object;
544 CDEBUG(D_OTHER, "%s: create "DFID": dof %u, mode %o\n",
545 dt_obd_name(th->th_dev),
546 PFID(lu_object_fid(&arg->object->do_lu)),
547 arg->u.create.dof.dof_type,
548 arg->u.create.attr.la_mode & S_IFMT);
550 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
551 rc = dt_create(env, dt_obj, &arg->u.create.attr,
552 &arg->u.create.hint, &arg->u.create.dof, th);
554 dt_write_unlock(env, dt_obj);
556 CDEBUG(D_INFO, "%s: insert create reply %p index %d: rc = %d\n",
557 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
559 if (arg->reply != NULL)
560 object_update_result_insert(arg->reply, NULL, 0, arg->index,
567 * Add create update to thandle
569 * Declare create updates and add the update to the thandle updates
572 * \param [in] env execution environment
573 * \param [in] obj object to be created
574 * \param [in] attr attributes of the creation
575 * \param [in] parent_fid the fid of the parent
576 * \param [in] dof dt object format of the creation
577 * \param [in] ta thandle execuation args where all of updates
578 * of the transaction are stored
579 * \param [in] th thandle for this update
580 * \param [in] reply reply of the updates
581 * \param [in] index index of the reply
582 * \param [in] file the file name where the function is called,
583 * which is only for debugging purpose.
584 * \param [in] line the line number where the funtion is called,
585 * which is only for debugging purpose.
587 * \retval 0 if updates is added successfully.
588 * \retval negative errno if update adding fails.
590 int out_create_add_exec(const struct lu_env *env, struct dt_object *obj,
591 struct lu_attr *attr, struct lu_fid *parent_fid,
592 struct dt_object_format *dof,
593 struct thandle_exec_args *ta,
595 struct object_update_reply *reply,
596 int index, const char *file, int line)
601 rc = dt_declare_create(env, obj, attr, NULL, dof, th);
605 arg = tx_add_exec(ta, out_tx_create_exec, out_tx_create_undo, file,
610 /* release the object in out_trans_stop */
611 lu_object_get(&obj->do_lu);
613 arg->u.create.attr = *attr;
614 if (parent_fid != NULL)
615 arg->u.create.fid = *parent_fid;
616 memset(&arg->u.create.hint, 0, sizeof(arg->u.create.hint));
617 arg->u.create.dof = *dof;
624 static int out_tx_attr_set_undo(const struct lu_env *env,
625 struct thandle *th, struct tx_arg *arg)
627 CERROR("%s: attr set undo "DFID" unimplemented yet!: rc = %d\n",
628 dt_obd_name(th->th_dev),
629 PFID(lu_object_fid(&arg->object->do_lu)), -ENOTSUPP);
634 static int out_tx_attr_set_exec(const struct lu_env *env, struct thandle *th,
637 struct dt_object *dt_obj = arg->object;
640 CDEBUG(D_OTHER, "%s: attr set "DFID"\n", dt_obd_name(th->th_dev),
641 PFID(lu_object_fid(&dt_obj->do_lu)));
643 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
644 rc = dt_attr_set(env, dt_obj, &arg->u.attr_set.attr, th);
645 dt_write_unlock(env, dt_obj);
647 CDEBUG(D_INFO, "%s: insert attr_set reply %p index %d: rc = %d\n",
648 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
650 if (arg->reply != NULL)
651 object_update_result_insert(arg->reply, NULL, 0,
657 int out_attr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
658 const struct lu_attr *attr,
659 struct thandle_exec_args *ta,
660 struct thandle *th, struct object_update_reply *reply,
661 int index, const char *file, int line)
666 rc = dt_declare_attr_set(env, dt_obj, attr, th);
670 if (attr->la_valid & LA_FLAGS &&
671 attr->la_flags & LUSTRE_SET_SYNC_FL)
674 arg = tx_add_exec(ta, out_tx_attr_set_exec, out_tx_attr_set_undo,
679 lu_object_get(&dt_obj->do_lu);
680 arg->object = dt_obj;
681 arg->u.attr_set.attr = *attr;
687 static int out_tx_write_exec(const struct lu_env *env, struct thandle *th,
690 struct dt_object *dt_obj = arg->object;
693 CDEBUG(D_INFO, "write "DFID" pos %llu buf %p, len %lu\n",
694 PFID(lu_object_fid(&dt_obj->do_lu)), arg->u.write.pos,
695 arg->u.write.buf.lb_buf, (unsigned long)arg->u.write.buf.lb_len);
697 if (OBD_FAIL_CHECK(OBD_FAIL_OUT_ENOSPC)) {
700 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
701 rc = dt_record_write(env, dt_obj, &arg->u.write.buf,
702 &arg->u.write.pos, th);
703 dt_write_unlock(env, dt_obj);
706 rc = arg->u.write.buf.lb_len;
709 if (arg->reply != NULL)
710 object_update_result_insert(arg->reply, NULL, 0, arg->index,
713 return rc > 0 ? 0 : rc;
716 int out_write_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
717 const struct lu_buf *buf, loff_t pos,
718 struct thandle_exec_args *ta, struct thandle *th,
719 struct object_update_reply *reply, int index,
720 const char *file, int line)
725 rc = dt_declare_record_write(env, dt_obj, buf, pos, th);
729 arg = tx_add_exec(ta, out_tx_write_exec, NULL, file, line);
733 lu_object_get(&dt_obj->do_lu);
734 arg->object = dt_obj;
735 arg->u.write.buf = *buf;
736 arg->u.write.pos = pos;
742 static int out_tx_xattr_set_exec(const struct lu_env *env,
746 struct dt_object *dt_obj = arg->object;
750 CDEBUG(D_INFO, "%s: set xattr buf %p name %s flag %d\n",
751 dt_obd_name(th->th_dev), arg->u.xattr_set.buf.lb_buf,
752 arg->u.xattr_set.name, arg->u.xattr_set.flags);
754 if (!lu_object_exists(&dt_obj->do_lu)) {
757 struct linkea_data ldata = { 0 };
760 ldata.ld_buf = &arg->u.xattr_set.buf;
761 if (strcmp(arg->u.xattr_set.name, XATTR_NAME_LINK) == 0) {
762 struct link_ea_header *leh;
765 rc = linkea_init(&ldata);
767 GOTO(out, rc == -ENODATA ? -EINVAL : rc);
770 LASSERT(leh != NULL);
772 /* If the new linkEA contains overflow timestamp,
775 * 1. The old linkEA for the object has already
776 * overflowed before current setting, the new
777 * linkEA does not contains new link entry. So
778 * the linkEA overflow timestamp is unchanged.
780 * 2. There are new link entry in the new linkEA,
781 * so its overflow timestamp is differnt from
782 * the old one. Usually, the overstamp in the
783 * given linkEA is newer. But because of clock
784 * drift among MDTs, the timestamp may become
785 * older. So here, we convert the timestamp to
786 * the server local time. Then namespace LFSCK
787 * that uses local time can handle it easily. */
788 if (unlikely(leh->leh_overflow_time)) {
789 struct lu_buf tbuf = { 0 };
792 lu_buf_alloc(&tbuf, MAX_LINKEA_SIZE);
793 if (tbuf.lb_buf == NULL)
794 GOTO(unlock, rc = -ENOMEM);
796 rc = dt_xattr_get(env, dt_obj, &tbuf,
799 struct linkea_data tdata = { 0 };
801 tdata.ld_buf = &tbuf;
802 rc = linkea_init(&tdata);
803 if (rc || leh->leh_overflow_time !=
804 tdata.ld_leh->leh_overflow_time)
807 /* Update the timestamp by force if
808 * fail to load the old linkEA. */
814 leh->leh_overflow_time = ktime_get_real_seconds();
815 if (unlikely(!leh->leh_overflow_time))
816 leh->leh_overflow_time++;
823 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
826 rc = dt_xattr_set(env, dt_obj, ldata.ld_buf,
827 arg->u.xattr_set.name, arg->u.xattr_set.flags,
829 if (unlikely(rc == -ENOSPC && linkea)) {
830 rc = linkea_overflow_shrink(&ldata);
831 if (likely(rc > 0)) {
832 arg->u.xattr_set.buf.lb_len = rc;
838 dt_write_unlock(env, dt_obj);
844 CDEBUG(D_INFO, "%s: insert xattr set reply %p index %d: rc = %d\n",
845 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
847 if (arg->reply != NULL)
848 object_update_result_insert(arg->reply, NULL, 0, arg->index,
854 int out_xattr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
855 const struct lu_buf *buf, const char *name,
856 int flags, struct thandle_exec_args *ta,
858 struct object_update_reply *reply,
859 int index, const char *file, int line)
864 rc = dt_declare_xattr_set(env, dt_obj, buf, name, flags, th);
868 arg = tx_add_exec(ta, out_tx_xattr_set_exec, NULL, file, line);
872 lu_object_get(&dt_obj->do_lu);
873 arg->object = dt_obj;
874 arg->u.xattr_set.name = name;
875 arg->u.xattr_set.flags = flags;
876 arg->u.xattr_set.buf = *buf;
879 arg->u.xattr_set.csum = 0;
883 static int out_tx_xattr_del_exec(const struct lu_env *env, struct thandle *th,
886 struct dt_object *dt_obj = arg->object;
889 CDEBUG(D_INFO, "%s: del xattr name '%s' on "DFID"\n",
890 dt_obd_name(th->th_dev), arg->u.xattr_set.name,
891 PFID(lu_object_fid(&dt_obj->do_lu)));
893 if (!lu_object_exists(&dt_obj->do_lu))
894 GOTO(out, rc = -ENOENT);
896 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
897 rc = dt_xattr_del(env, dt_obj, arg->u.xattr_set.name,
899 dt_write_unlock(env, dt_obj);
901 CDEBUG(D_INFO, "%s: insert xattr del reply %p index %d: rc = %d\n",
902 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
904 if (arg->reply != NULL)
905 object_update_result_insert(arg->reply, NULL, 0, arg->index,
911 int out_xattr_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
912 const char *name, struct thandle_exec_args *ta,
914 struct object_update_reply *reply, int index,
915 const char *file, int line)
920 rc = dt_declare_xattr_del(env, dt_obj, name, th);
924 arg = tx_add_exec(ta, out_tx_xattr_del_exec, NULL, file, line);
928 lu_object_get(&dt_obj->do_lu);
929 arg->object = dt_obj;
930 arg->u.xattr_set.name = name;
936 static int out_obj_ref_add(const struct lu_env *env,
937 struct dt_object *dt_obj,
942 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
943 rc = dt_ref_add(env, dt_obj, th);
944 dt_write_unlock(env, dt_obj);
949 static int out_obj_ref_del(const struct lu_env *env,
950 struct dt_object *dt_obj,
955 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
956 rc = dt_ref_del(env, dt_obj, th);
957 dt_write_unlock(env, dt_obj);
962 static int out_tx_ref_add_exec(const struct lu_env *env, struct thandle *th,
965 struct dt_object *dt_obj = arg->object;
968 rc = out_obj_ref_add(env, dt_obj, th);
970 CDEBUG(D_INFO, "%s: insert ref_add reply %p index %d: rc = %d\n",
971 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
973 if (arg->reply != NULL)
974 object_update_result_insert(arg->reply, NULL, 0, arg->index,
979 static int out_tx_ref_add_undo(const struct lu_env *env, struct thandle *th,
982 return out_obj_ref_del(env, arg->object, th);
985 int out_ref_add_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
986 struct thandle_exec_args *ta,
988 struct object_update_reply *reply, int index,
989 const char *file, int line)
994 rc = dt_declare_ref_add(env, dt_obj, th);
998 arg = tx_add_exec(ta, out_tx_ref_add_exec, out_tx_ref_add_undo, file,
1001 return PTR_ERR(arg);
1003 lu_object_get(&dt_obj->do_lu);
1004 arg->object = dt_obj;
1010 static int out_tx_ref_del_exec(const struct lu_env *env, struct thandle *th,
1013 struct dt_object *dt_obj = arg->object;
1016 rc = out_obj_ref_del(env, dt_obj, th);
1018 CDEBUG(D_INFO, "%s: insert ref_del reply %p index %d: rc = %d\n",
1019 dt_obd_name(th->th_dev), arg->reply, arg->index, 0);
1021 if (arg->reply != NULL)
1022 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1028 static int out_tx_ref_del_undo(const struct lu_env *env, struct thandle *th,
1031 return out_obj_ref_add(env, arg->object, th);
1034 int out_ref_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
1035 struct thandle_exec_args *ta,
1037 struct object_update_reply *reply, int index,
1038 const char *file, int line)
1043 rc = dt_declare_ref_del(env, dt_obj, th);
1047 arg = tx_add_exec(ta, out_tx_ref_del_exec, out_tx_ref_del_undo, file,
1050 return PTR_ERR(arg);
1052 lu_object_get(&dt_obj->do_lu);
1053 arg->object = dt_obj;
1059 static int out_obj_index_insert(const struct lu_env *env,
1060 struct dt_object *dt_obj,
1061 const struct dt_rec *rec,
1062 const struct dt_key *key,
1067 CDEBUG(D_INFO, "%s: index insert "DFID" name: %s fid "DFID", type %u\n",
1068 dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
1069 (char *)key, PFID(((struct dt_insert_rec *)rec)->rec_fid),
1070 ((struct dt_insert_rec *)rec)->rec_type);
1072 if (dt_try_as_dir(env, dt_obj) == 0)
1075 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
1076 rc = dt_insert(env, dt_obj, rec, key, th);
1077 dt_write_unlock(env, dt_obj);
1082 static int out_obj_index_delete(const struct lu_env *env,
1083 struct dt_object *dt_obj,
1084 const struct dt_key *key,
1089 CDEBUG(D_INFO, "%s: index delete "DFID" name: %s\n",
1090 dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
1093 if (dt_try_as_dir(env, dt_obj) == 0)
1096 dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
1097 rc = dt_delete(env, dt_obj, key, th);
1098 dt_write_unlock(env, dt_obj);
1103 static int out_tx_index_insert_exec(const struct lu_env *env,
1104 struct thandle *th, struct tx_arg *arg)
1106 struct dt_object *dt_obj = arg->object;
1109 if (unlikely(!dt_object_exists(dt_obj)))
1112 rc = out_obj_index_insert(env, dt_obj,
1113 (const struct dt_rec *)&arg->u.insert.rec,
1114 arg->u.insert.key, th);
1116 CDEBUG(D_INFO, "%s: insert idx insert reply %p index %d: rc = %d\n",
1117 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1119 if (arg->reply != NULL)
1120 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1125 static int out_tx_index_insert_undo(const struct lu_env *env,
1126 struct thandle *th, struct tx_arg *arg)
1128 return out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
1131 int out_index_insert_add_exec(const struct lu_env *env,
1132 struct dt_object *dt_obj,
1133 const struct dt_rec *rec,
1134 const struct dt_key *key,
1135 struct thandle_exec_args *ta,
1137 struct object_update_reply *reply,
1138 int index, const char *file, int line)
1143 if (dt_try_as_dir(env, dt_obj) == 0) {
1148 rc = dt_declare_insert(env, dt_obj, rec, key, th);
1152 arg = tx_add_exec(ta, out_tx_index_insert_exec,
1153 out_tx_index_insert_undo, file, line);
1155 return PTR_ERR(arg);
1157 lu_object_get(&dt_obj->do_lu);
1158 arg->object = dt_obj;
1161 arg->u.insert.rec = *(const struct dt_insert_rec *)rec;
1162 arg->u.insert.key = key;
1167 static int out_tx_index_delete_exec(const struct lu_env *env,
1173 rc = out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
1175 CDEBUG(D_INFO, "%s: delete idx insert reply %p index %d: rc = %d\n",
1176 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1178 if (arg->reply != NULL)
1179 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1185 static int out_tx_index_delete_undo(const struct lu_env *env,
1189 CERROR("%s: Oops, can not rollback index_delete yet: rc = %d\n",
1190 dt_obd_name(th->th_dev), -ENOTSUPP);
1194 int out_index_delete_add_exec(const struct lu_env *env,
1195 struct dt_object *dt_obj,
1196 const struct dt_key *key,
1197 struct thandle_exec_args *ta,
1199 struct object_update_reply *reply,
1200 int index, const char *file, int line)
1205 if (dt_try_as_dir(env, dt_obj) == 0) {
1210 LASSERT(ta->ta_handle != NULL);
1211 rc = dt_declare_delete(env, dt_obj, key, th);
1215 arg = tx_add_exec(ta, out_tx_index_delete_exec,
1216 out_tx_index_delete_undo, file, line);
1218 return PTR_ERR(arg);
1220 lu_object_get(&dt_obj->do_lu);
1221 arg->object = dt_obj;
1224 arg->u.insert.key = key;
1228 static int out_tx_destroy_exec(const struct lu_env *env, struct thandle *th,
1231 struct dt_object *dt_obj = arg->object;
1234 rc = out_obj_destroy(env, dt_obj, th);
1236 CDEBUG(D_INFO, "%s: insert destroy reply %p index %d: rc = %d\n",
1237 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1239 if (arg->reply != NULL)
1240 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1246 static int out_tx_destroy_undo(const struct lu_env *env, struct thandle *th,
1249 CERROR("%s: not support destroy undo yet!: rc = %d\n",
1250 dt_obd_name(th->th_dev), -ENOTSUPP);
1254 int out_destroy_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
1255 struct thandle_exec_args *ta, struct thandle *th,
1256 struct object_update_reply *reply,
1257 int index, const char *file, int line)
1262 rc = dt_declare_destroy(env, dt_obj, th);
1266 arg = tx_add_exec(ta, out_tx_destroy_exec, out_tx_destroy_undo,
1269 return PTR_ERR(arg);
1271 lu_object_get(&dt_obj->do_lu);
1272 arg->object = dt_obj;