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_PTR_ARRAY(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_PTR_ARRAY(ta->ta_args, ta->ta_alloc_args);
461 ta->ta_args = new_ta;
462 ta->ta_alloc_args = new_alloc_ta;
465 for (i = 0; i < new_alloc_ta; i++) {
466 if (new_ta[i] != NULL)
467 OBD_FREE_PTR(new_ta[i]);
469 OBD_FREE_PTR_ARRAY(new_ta, new_alloc_ta);
474 #define TX_ALLOC_STEP 8
475 struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
476 tx_exec_func_t func, tx_exec_func_t undo,
477 const char *file, int line)
483 LASSERT(func != NULL);
485 if (ta->ta_argno + 1 >= ta->ta_alloc_args) {
486 rc = tx_extend_args(ta, ta->ta_alloc_args + TX_ALLOC_STEP);
495 ta->ta_args[i]->exec_fn = func;
496 ta->ta_args[i]->undo_fn = undo;
497 ta->ta_args[i]->file = file;
498 ta->ta_args[i]->line = line;
500 return ta->ta_args[i];
503 static int out_obj_destroy(const struct lu_env *env, struct dt_object *dt_obj,
508 CDEBUG(D_INFO, "%s: destroy "DFID"\n", dt_obd_name(th->th_dev),
509 PFID(lu_object_fid(&dt_obj->do_lu)));
511 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
512 rc = dt_destroy(env, dt_obj, th);
513 dt_write_unlock(env, dt_obj);
519 * All of the xxx_undo will be used once execution failed,
520 * But because all of the required resource has been reserved in
521 * declare phase, i.e. if declare succeed, it should make sure
522 * the following executing phase succeed in anyway, so these undo
523 * should be useless for most of the time in Phase I
525 static int out_tx_create_undo(const struct lu_env *env, struct thandle *th,
530 rc = out_obj_destroy(env, arg->object, th);
532 CERROR("%s: undo failure, we are doomed!: rc = %d\n",
533 dt_obd_name(th->th_dev), rc);
537 int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
540 struct dt_object *dt_obj = arg->object;
543 CDEBUG(D_OTHER, "%s: create "DFID": dof %u, mode %o\n",
544 dt_obd_name(th->th_dev),
545 PFID(lu_object_fid(&arg->object->do_lu)),
546 arg->u.create.dof.dof_type,
547 arg->u.create.attr.la_mode & S_IFMT);
549 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
550 rc = dt_create(env, dt_obj, &arg->u.create.attr,
551 &arg->u.create.hint, &arg->u.create.dof, th);
553 dt_write_unlock(env, dt_obj);
555 CDEBUG(D_INFO, "%s: insert create reply %p index %d: rc = %d\n",
556 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
558 if (arg->reply != NULL)
559 object_update_result_insert(arg->reply, NULL, 0, arg->index,
566 * Add create update to thandle
568 * Declare create updates and add the update to the thandle updates
571 * \param [in] env execution environment
572 * \param [in] obj object to be created
573 * \param [in] attr attributes of the creation
574 * \param [in] parent_fid the fid of the parent
575 * \param [in] dof dt object format of the creation
576 * \param [in] ta thandle execuation args where all of updates
577 * of the transaction are stored
578 * \param [in] th thandle for this update
579 * \param [in] reply reply of the updates
580 * \param [in] index index of the reply
581 * \param [in] file the file name where the function is called,
582 * which is only for debugging purpose.
583 * \param [in] line the line number where the funtion is called,
584 * which is only for debugging purpose.
586 * \retval 0 if updates is added successfully.
587 * \retval negative errno if update adding fails.
589 int out_create_add_exec(const struct lu_env *env, struct dt_object *obj,
590 struct lu_attr *attr, struct lu_fid *parent_fid,
591 struct dt_object_format *dof,
592 struct thandle_exec_args *ta,
594 struct object_update_reply *reply,
595 int index, const char *file, int line)
600 rc = dt_declare_create(env, obj, attr, NULL, dof, th);
604 arg = tx_add_exec(ta, out_tx_create_exec, out_tx_create_undo, file,
609 /* release the object in out_trans_stop */
610 lu_object_get(&obj->do_lu);
612 arg->u.create.attr = *attr;
613 if (parent_fid != NULL)
614 arg->u.create.fid = *parent_fid;
615 memset(&arg->u.create.hint, 0, sizeof(arg->u.create.hint));
616 arg->u.create.dof = *dof;
623 static int out_tx_attr_set_undo(const struct lu_env *env,
624 struct thandle *th, struct tx_arg *arg)
626 CERROR("%s: attr set undo "DFID" unimplemented yet!: rc = %d\n",
627 dt_obd_name(th->th_dev),
628 PFID(lu_object_fid(&arg->object->do_lu)), -ENOTSUPP);
633 static int out_tx_attr_set_exec(const struct lu_env *env, struct thandle *th,
636 struct dt_object *dt_obj = arg->object;
639 CDEBUG(D_OTHER, "%s: attr set "DFID"\n", dt_obd_name(th->th_dev),
640 PFID(lu_object_fid(&dt_obj->do_lu)));
642 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
643 rc = dt_attr_set(env, dt_obj, &arg->u.attr_set.attr, th);
644 dt_write_unlock(env, dt_obj);
646 CDEBUG(D_INFO, "%s: insert attr_set reply %p index %d: rc = %d\n",
647 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
649 if (arg->reply != NULL)
650 object_update_result_insert(arg->reply, NULL, 0,
656 int out_attr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
657 const struct lu_attr *attr,
658 struct thandle_exec_args *ta,
659 struct thandle *th, struct object_update_reply *reply,
660 int index, const char *file, int line)
665 rc = dt_declare_attr_set(env, dt_obj, attr, th);
669 if (attr->la_valid & LA_FLAGS &&
670 attr->la_flags & LUSTRE_SET_SYNC_FL)
673 arg = tx_add_exec(ta, out_tx_attr_set_exec, out_tx_attr_set_undo,
678 lu_object_get(&dt_obj->do_lu);
679 arg->object = dt_obj;
680 arg->u.attr_set.attr = *attr;
686 static int out_tx_write_exec(const struct lu_env *env, struct thandle *th,
689 struct dt_object *dt_obj = arg->object;
692 CDEBUG(D_INFO, "write "DFID" pos %llu buf %p, len %lu\n",
693 PFID(lu_object_fid(&dt_obj->do_lu)), arg->u.write.pos,
694 arg->u.write.buf.lb_buf, (unsigned long)arg->u.write.buf.lb_len);
696 if (OBD_FAIL_CHECK(OBD_FAIL_OUT_ENOSPC)) {
699 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
700 rc = dt_record_write(env, dt_obj, &arg->u.write.buf,
701 &arg->u.write.pos, th);
702 dt_write_unlock(env, dt_obj);
705 rc = arg->u.write.buf.lb_len;
708 if (arg->reply != NULL)
709 object_update_result_insert(arg->reply, NULL, 0, arg->index,
712 return rc > 0 ? 0 : rc;
715 int out_write_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
716 const struct lu_buf *buf, loff_t pos,
717 struct thandle_exec_args *ta, struct thandle *th,
718 struct object_update_reply *reply, int index,
719 const char *file, int line)
724 rc = dt_declare_record_write(env, dt_obj, buf, pos, th);
728 arg = tx_add_exec(ta, out_tx_write_exec, NULL, file, line);
732 lu_object_get(&dt_obj->do_lu);
733 arg->object = dt_obj;
734 arg->u.write.buf = *buf;
735 arg->u.write.pos = pos;
741 static int out_tx_xattr_set_exec(const struct lu_env *env,
745 struct dt_object *dt_obj = arg->object;
749 CDEBUG(D_INFO, "%s: set xattr buf %p name %s flag %d\n",
750 dt_obd_name(th->th_dev), arg->u.xattr_set.buf.lb_buf,
751 arg->u.xattr_set.name, arg->u.xattr_set.flags);
753 if (!lu_object_exists(&dt_obj->do_lu)) {
756 struct linkea_data ldata = { 0 };
759 ldata.ld_buf = &arg->u.xattr_set.buf;
760 if (strcmp(arg->u.xattr_set.name, XATTR_NAME_LINK) == 0) {
761 struct link_ea_header *leh;
764 rc = linkea_init(&ldata);
766 GOTO(out, rc == -ENODATA ? -EINVAL : rc);
769 LASSERT(leh != NULL);
771 /* If the new linkEA contains overflow timestamp,
774 * 1. The old linkEA for the object has already
775 * overflowed before current setting, the new
776 * linkEA does not contains new link entry. So
777 * the linkEA overflow timestamp is unchanged.
779 * 2. There are new link entry in the new linkEA,
780 * so its overflow timestamp is differnt from
781 * the old one. Usually, the overstamp in the
782 * given linkEA is newer. But because of clock
783 * drift among MDTs, the timestamp may become
784 * older. So here, we convert the timestamp to
785 * the server local time. Then namespace LFSCK
786 * that uses local time can handle it easily. */
787 if (unlikely(leh->leh_overflow_time)) {
788 struct lu_buf tbuf = { 0 };
791 lu_buf_alloc(&tbuf, MAX_LINKEA_SIZE);
792 if (tbuf.lb_buf == NULL)
793 GOTO(unlock, rc = -ENOMEM);
795 rc = dt_xattr_get(env, dt_obj, &tbuf,
798 struct linkea_data tdata = { 0 };
800 tdata.ld_buf = &tbuf;
801 rc = linkea_init(&tdata);
802 if (rc || leh->leh_overflow_time !=
803 tdata.ld_leh->leh_overflow_time)
806 /* Update the timestamp by force if
807 * fail to load the old linkEA. */
813 leh->leh_overflow_time = ktime_get_real_seconds();
814 if (unlikely(!leh->leh_overflow_time))
815 leh->leh_overflow_time++;
822 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
825 rc = dt_xattr_set(env, dt_obj, ldata.ld_buf,
826 arg->u.xattr_set.name, arg->u.xattr_set.flags,
828 if (unlikely(rc == -ENOSPC && linkea)) {
829 rc = linkea_overflow_shrink(&ldata);
830 if (likely(rc > 0)) {
831 arg->u.xattr_set.buf.lb_len = rc;
837 dt_write_unlock(env, dt_obj);
843 CDEBUG(D_INFO, "%s: insert xattr set reply %p index %d: rc = %d\n",
844 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
846 if (arg->reply != NULL)
847 object_update_result_insert(arg->reply, NULL, 0, arg->index,
853 int out_xattr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
854 const struct lu_buf *buf, const char *name,
855 int flags, struct thandle_exec_args *ta,
857 struct object_update_reply *reply,
858 int index, const char *file, int line)
863 rc = dt_declare_xattr_set(env, dt_obj, buf, name, flags, th);
867 arg = tx_add_exec(ta, out_tx_xattr_set_exec, NULL, file, line);
871 lu_object_get(&dt_obj->do_lu);
872 arg->object = dt_obj;
873 arg->u.xattr_set.name = name;
874 arg->u.xattr_set.flags = flags;
875 arg->u.xattr_set.buf = *buf;
878 arg->u.xattr_set.csum = 0;
882 static int out_tx_xattr_del_exec(const struct lu_env *env, struct thandle *th,
885 struct dt_object *dt_obj = arg->object;
888 CDEBUG(D_INFO, "%s: del xattr name '%s' on "DFID"\n",
889 dt_obd_name(th->th_dev), arg->u.xattr_set.name,
890 PFID(lu_object_fid(&dt_obj->do_lu)));
892 if (!lu_object_exists(&dt_obj->do_lu))
893 GOTO(out, rc = -ENOENT);
895 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
896 rc = dt_xattr_del(env, dt_obj, arg->u.xattr_set.name,
898 dt_write_unlock(env, dt_obj);
900 CDEBUG(D_INFO, "%s: insert xattr del reply %p index %d: rc = %d\n",
901 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
903 if (arg->reply != NULL)
904 object_update_result_insert(arg->reply, NULL, 0, arg->index,
910 int out_xattr_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
911 const char *name, struct thandle_exec_args *ta,
913 struct object_update_reply *reply, int index,
914 const char *file, int line)
919 rc = dt_declare_xattr_del(env, dt_obj, name, th);
923 arg = tx_add_exec(ta, out_tx_xattr_del_exec, NULL, file, line);
927 lu_object_get(&dt_obj->do_lu);
928 arg->object = dt_obj;
929 arg->u.xattr_set.name = name;
935 static int out_obj_ref_add(const struct lu_env *env,
936 struct dt_object *dt_obj,
941 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
942 rc = dt_ref_add(env, dt_obj, th);
943 dt_write_unlock(env, dt_obj);
948 static int out_obj_ref_del(const struct lu_env *env,
949 struct dt_object *dt_obj,
954 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
955 rc = dt_ref_del(env, dt_obj, th);
956 dt_write_unlock(env, dt_obj);
961 static int out_tx_ref_add_exec(const struct lu_env *env, struct thandle *th,
964 struct dt_object *dt_obj = arg->object;
967 rc = out_obj_ref_add(env, dt_obj, th);
969 CDEBUG(D_INFO, "%s: insert ref_add reply %p index %d: rc = %d\n",
970 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
972 if (arg->reply != NULL)
973 object_update_result_insert(arg->reply, NULL, 0, arg->index,
978 static int out_tx_ref_add_undo(const struct lu_env *env, struct thandle *th,
981 return out_obj_ref_del(env, arg->object, th);
984 int out_ref_add_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
985 struct thandle_exec_args *ta,
987 struct object_update_reply *reply, int index,
988 const char *file, int line)
993 rc = dt_declare_ref_add(env, dt_obj, th);
997 arg = tx_add_exec(ta, out_tx_ref_add_exec, out_tx_ref_add_undo, file,
1000 return PTR_ERR(arg);
1002 lu_object_get(&dt_obj->do_lu);
1003 arg->object = dt_obj;
1009 static int out_tx_ref_del_exec(const struct lu_env *env, struct thandle *th,
1012 struct dt_object *dt_obj = arg->object;
1015 rc = out_obj_ref_del(env, dt_obj, th);
1017 CDEBUG(D_INFO, "%s: insert ref_del reply %p index %d: rc = %d\n",
1018 dt_obd_name(th->th_dev), arg->reply, arg->index, 0);
1020 if (arg->reply != NULL)
1021 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1027 static int out_tx_ref_del_undo(const struct lu_env *env, struct thandle *th,
1030 return out_obj_ref_add(env, arg->object, th);
1033 int out_ref_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
1034 struct thandle_exec_args *ta,
1036 struct object_update_reply *reply, int index,
1037 const char *file, int line)
1042 rc = dt_declare_ref_del(env, dt_obj, th);
1046 arg = tx_add_exec(ta, out_tx_ref_del_exec, out_tx_ref_del_undo, file,
1049 return PTR_ERR(arg);
1051 lu_object_get(&dt_obj->do_lu);
1052 arg->object = dt_obj;
1058 static int out_obj_index_insert(const struct lu_env *env,
1059 struct dt_object *dt_obj,
1060 const struct dt_rec *rec,
1061 const struct dt_key *key,
1066 CDEBUG(D_INFO, "%s: index insert "DFID" name: %s fid "DFID", type %u\n",
1067 dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
1068 (char *)key, PFID(((struct dt_insert_rec *)rec)->rec_fid),
1069 ((struct dt_insert_rec *)rec)->rec_type);
1071 if (dt_try_as_dir(env, dt_obj) == 0)
1074 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
1075 rc = dt_insert(env, dt_obj, rec, key, th);
1076 dt_write_unlock(env, dt_obj);
1081 static int out_obj_index_delete(const struct lu_env *env,
1082 struct dt_object *dt_obj,
1083 const struct dt_key *key,
1088 CDEBUG(D_INFO, "%s: index delete "DFID" name: %s\n",
1089 dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
1092 if (dt_try_as_dir(env, dt_obj) == 0)
1095 dt_write_lock(env, dt_obj, DT_TGT_CHILD);
1096 rc = dt_delete(env, dt_obj, key, th);
1097 dt_write_unlock(env, dt_obj);
1102 static int out_tx_index_insert_exec(const struct lu_env *env,
1103 struct thandle *th, struct tx_arg *arg)
1105 struct dt_object *dt_obj = arg->object;
1108 if (unlikely(!dt_object_exists(dt_obj)))
1111 rc = out_obj_index_insert(env, dt_obj,
1112 (const struct dt_rec *)&arg->u.insert.rec,
1113 arg->u.insert.key, th);
1115 CDEBUG(D_INFO, "%s: insert idx insert reply %p index %d: rc = %d\n",
1116 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1118 if (arg->reply != NULL)
1119 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1124 static int out_tx_index_insert_undo(const struct lu_env *env,
1125 struct thandle *th, struct tx_arg *arg)
1127 return out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
1130 int out_index_insert_add_exec(const struct lu_env *env,
1131 struct dt_object *dt_obj,
1132 const struct dt_rec *rec,
1133 const struct dt_key *key,
1134 struct thandle_exec_args *ta,
1136 struct object_update_reply *reply,
1137 int index, const char *file, int line)
1142 if (dt_try_as_dir(env, dt_obj) == 0) {
1147 rc = dt_declare_insert(env, dt_obj, rec, key, th);
1151 arg = tx_add_exec(ta, out_tx_index_insert_exec,
1152 out_tx_index_insert_undo, file, line);
1154 return PTR_ERR(arg);
1156 lu_object_get(&dt_obj->do_lu);
1157 arg->object = dt_obj;
1160 arg->u.insert.rec = *(const struct dt_insert_rec *)rec;
1161 arg->u.insert.key = key;
1166 static int out_tx_index_delete_exec(const struct lu_env *env,
1172 rc = out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
1174 CDEBUG(D_INFO, "%s: delete idx insert reply %p index %d: rc = %d\n",
1175 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1177 if (arg->reply != NULL)
1178 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1184 static int out_tx_index_delete_undo(const struct lu_env *env,
1188 CERROR("%s: Oops, can not rollback index_delete yet: rc = %d\n",
1189 dt_obd_name(th->th_dev), -ENOTSUPP);
1193 int out_index_delete_add_exec(const struct lu_env *env,
1194 struct dt_object *dt_obj,
1195 const struct dt_key *key,
1196 struct thandle_exec_args *ta,
1198 struct object_update_reply *reply,
1199 int index, const char *file, int line)
1204 if (dt_try_as_dir(env, dt_obj) == 0) {
1209 LASSERT(ta->ta_handle != NULL);
1210 rc = dt_declare_delete(env, dt_obj, key, th);
1214 arg = tx_add_exec(ta, out_tx_index_delete_exec,
1215 out_tx_index_delete_undo, file, line);
1217 return PTR_ERR(arg);
1219 lu_object_get(&dt_obj->do_lu);
1220 arg->object = dt_obj;
1223 arg->u.insert.key = key;
1227 static int out_tx_destroy_exec(const struct lu_env *env, struct thandle *th,
1230 struct dt_object *dt_obj = arg->object;
1233 rc = out_obj_destroy(env, dt_obj, th);
1235 CDEBUG(D_INFO, "%s: insert destroy reply %p index %d: rc = %d\n",
1236 dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
1238 if (arg->reply != NULL)
1239 object_update_result_insert(arg->reply, NULL, 0, arg->index,
1245 static int out_tx_destroy_undo(const struct lu_env *env, struct thandle *th,
1248 CERROR("%s: not support destroy undo yet!: rc = %d\n",
1249 dt_obd_name(th->th_dev), -ENOTSUPP);
1253 int out_destroy_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
1254 struct thandle_exec_args *ta, struct thandle *th,
1255 struct object_update_reply *reply,
1256 int index, const char *file, int line)
1261 rc = dt_declare_destroy(env, dt_obj, th);
1265 arg = tx_add_exec(ta, out_tx_destroy_exec, out_tx_destroy_undo,
1268 return PTR_ERR(arg);
1270 lu_object_get(&dt_obj->do_lu);
1271 arg->object = dt_obj;