1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/mdd/mdd_lov.c
38 * Lustre Metadata Server (mds) handling of striped file data
40 * Author: Peter Braam <braam@clusterfs.com>
41 * Author: wangdi <wangdi@clusterfs.com>
45 # define EXPORT_SYMTAB
47 #define DEBUG_SUBSYSTEM S_MDS
49 #include <linux/module.h>
51 #include <obd_class.h>
52 #include <lustre_ver.h>
53 #include <obd_support.h>
55 #include <lprocfs_status.h>
56 #include <lustre_mds.h>
57 #include <lustre_fid.h>
58 #include <lustre/lustre_idl.h>
60 #include "mdd_internal.h"
62 static int mdd_notify(struct obd_device *host, struct obd_device *watched,
63 enum obd_notify_event ev, void *owner, void *data)
65 struct mdd_device *mdd = owner;
69 LASSERT(owner != NULL);
72 case OBD_NOTIFY_ACTIVE:
74 case OBD_NOTIFY_SYNC_NONBLOCK:
75 rc = md_do_upcall(NULL, &mdd->mdd_md_dev,
78 case OBD_NOTIFY_CONFIG:
79 rc = md_do_upcall(NULL, &mdd->mdd_md_dev,
82 #ifdef HAVE_QUOTA_SUPPORT
83 case OBD_NOTIFY_QUOTA:
84 rc = md_do_upcall(NULL, &mdd->mdd_md_dev,
89 CDEBUG(D_INFO, "Unhandled notification %#x\n", ev);
95 /* The obd is created for handling data stack for mdd */
96 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
97 struct lustre_cfg *cfg)
99 char *dev = lustre_cfg_string(cfg, 0);
100 int rc, name_size, uuid_size;
103 struct lustre_cfg_bufs *bufs;
104 struct lustre_cfg *lcfg;
105 struct obd_device *obd;
108 mds_id = lu_site2md(mdd2lu_dev(mdd)->ld_site)->ms_node_id;
109 name_size = strlen(MDD_OBD_NAME) + 35;
110 uuid_size = strlen(MDD_OBD_UUID) + 35;
112 OBD_ALLOC(name, name_size);
113 OBD_ALLOC(uuid, uuid_size);
114 if (name == NULL || uuid == NULL)
115 GOTO(cleanup_mem, rc = -ENOMEM);
119 GOTO(cleanup_mem, rc = -ENOMEM);
121 snprintf(name, strlen(MDD_OBD_NAME) + 35, "%s-%s-%d",
122 MDD_OBD_NAME, dev, mds_id);
124 snprintf(uuid, strlen(MDD_OBD_UUID) + 35, "%s-%s-%d",
125 MDD_OBD_UUID, dev, mds_id);
127 lustre_cfg_bufs_reset(bufs, name);
128 lustre_cfg_bufs_set_string(bufs, 1, MDD_OBD_TYPE);
129 lustre_cfg_bufs_set_string(bufs, 2, uuid);
130 lustre_cfg_bufs_set_string(bufs, 3, (char*)dev/* MDD_OBD_PROFILE */);
131 lustre_cfg_bufs_set_string(bufs, 4, (char*)dev);
133 lcfg = lustre_cfg_new(LCFG_ATTACH, bufs);
136 GOTO(cleanup_mem, rc = -ENOMEM);
138 rc = class_attach(lcfg);
140 GOTO(lcfg_cleanup, rc);
142 obd = class_name2obd(name);
144 CERROR("Can not find obd %s\n", MDD_OBD_NAME);
148 cfs_spin_lock(&obd->obd_dev_lock);
149 obd->obd_recovering = 1;
150 cfs_spin_unlock(&obd->obd_dev_lock);
151 obd->u.mds.mds_id = mds_id;
152 rc = class_setup(obd, lcfg);
154 GOTO(class_detach, rc);
157 * Add here for obd notify mechanism, when adding a new ost, the mds
158 * will notify this mdd. The mds will be used for quota also.
160 obd->obd_upcall.onu_upcall = mdd_notify;
161 obd->obd_upcall.onu_owner = mdd;
162 mdd->mdd_obd_dev = obd;
166 class_detach(obd, lcfg);
168 lustre_cfg_free(lcfg);
171 OBD_FREE(name, name_size);
173 OBD_FREE(uuid, uuid_size);
177 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
178 struct lustre_cfg *lcfg)
180 struct obd_device *obd;
184 obd = mdd2obd_dev(mdd);
187 rc = class_cleanup(obd, lcfg);
189 GOTO(lcfg_cleanup, rc);
191 obd->obd_upcall.onu_upcall = NULL;
192 obd->obd_upcall.onu_owner = NULL;
193 rc = class_detach(obd, lcfg);
195 GOTO(lcfg_cleanup, rc);
196 mdd->mdd_obd_dev = NULL;
203 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
204 void *md, int *md_size, const char *name)
209 rc = mdo_xattr_get(env, obj, mdd_buf_get(env, md, *md_size), name,
210 mdd_object_capa(env, obj));
212 * XXX: Handling of -ENODATA, the right way is to have ->do_md_get()
213 * exported by dt layer.
215 if (rc == 0 || rc == -ENODATA) {
219 CERROR("Error %d reading eadata - %d\n", rc, *md_size);
221 /* XXX: Convert lov EA but fixed after verification test. */
228 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
229 void *md, int *md_size, const char *name)
232 mdd_read_lock(env, obj, MOR_TGT_CHILD);
233 rc = mdd_get_md(env, obj, md, md_size, name);
234 mdd_read_unlock(env, obj);
238 static int mdd_lov_set_stripe_md(const struct lu_env *env,
239 struct mdd_object *obj, struct lu_buf *buf,
240 struct thandle *handle)
242 struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
243 struct obd_device *obd = mdd2obd_dev(mdd);
244 struct obd_export *lov_exp = obd->u.mds.mds_lov_exp;
245 struct lov_stripe_md *lsm = NULL;
249 LASSERT(S_ISDIR(mdd_object_type(obj)) || S_ISREG(mdd_object_type(obj)));
250 rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE, lov_exp, 0,
254 obd_free_memmd(lov_exp, &lsm);
256 rc = mdd_xattr_set_txn(env, obj, buf, XATTR_NAME_LOV, 0, handle);
258 CDEBUG(D_INFO, "set lov ea of "DFID" rc %d \n", PFID(mdo2fid(obj)), rc);
263 * Permission check is done before call it,
264 * no need check again.
266 static int mdd_lov_set_dir_md(const struct lu_env *env,
267 struct mdd_object *obj, struct lu_buf *buf,
268 struct thandle *handle)
270 struct lov_user_md *lum = NULL;
274 LASSERT(S_ISDIR(mdd_object_type(obj)));
275 lum = (struct lov_user_md*)buf->lb_buf;
277 /* if { size, offset, count } = { 0, -1, 0 } and no pool (i.e. all default
278 * values specified) then delete default striping from dir. */
279 if (LOVEA_DELETE_VALUES(lum->lmm_stripe_size, lum->lmm_stripe_count,
280 lum->lmm_stripe_offset) &&
281 lum->lmm_magic != LOV_USER_MAGIC_V3) {
282 rc = mdd_xattr_set_txn(env, obj, &LU_BUF_NULL,
283 XATTR_NAME_LOV, 0, handle);
286 CDEBUG(D_INFO, "delete lov ea of "DFID" rc %d \n",
287 PFID(mdo2fid(obj)), rc);
289 rc = mdd_lov_set_stripe_md(env, obj, buf, handle);
294 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj)
296 struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
297 struct md_ucred *uc = md_ucred(env);
301 rc = mdd_la_get(env, obj, tmp_la, BYPASS_CAPA);
305 if ((uc->mu_fsuid != tmp_la->la_uid) &&
306 !mdd_capable(uc, CFS_CAP_FOWNER))
307 rc = mdd_permission_internal_locked(env, obj, tmp_la,
308 MAY_WRITE, MOR_TGT_CHILD);
313 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
314 struct mdd_object *child, struct lov_mds_md *lmmp,
315 int lmm_size, struct thandle *handle, int set_stripe)
322 buf = mdd_buf_get(env, lmmp, lmm_size);
323 mode = mdd_object_type(child);
324 if (S_ISREG(mode) && lmm_size > 0) {
326 rc = mdd_lov_set_stripe_md(env, child, buf, handle);
328 rc = mdd_xattr_set_txn(env, child, buf,
329 XATTR_NAME_LOV, 0, handle);
331 } else if (S_ISDIR(mode)) {
332 if (lmmp == NULL && lmm_size == 0) {
333 struct mdd_device *mdd = mdd_obj2mdd_dev(child);
334 struct lov_mds_md *lmm = mdd_max_lmm_get(env, mdd);
335 int size = sizeof(struct lov_mds_md_v3);
337 /* Get parent dir stripe and set */
339 rc = mdd_get_md_locked(env, pobj, lmm, &size,
342 buf = mdd_buf_get(env, lmm, size);
343 rc = mdd_xattr_set_txn(env, child, buf,
344 XATTR_NAME_LOV, 0, handle);
346 CERROR("error on copy stripe info: rc "
350 LASSERT(lmmp != NULL && lmm_size > 0);
351 rc = mdd_lov_set_dir_md(env, child, buf, handle);
354 CDEBUG(D_INFO, "Set lov md %p size %d for fid "DFID" rc %d\n",
355 lmmp, lmm_size, PFID(mdo2fid(child)), rc);
359 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm)
361 /* copy mds_lov code is using wrong layer */
362 return mds_lov_prepare_objids(mdd->mdd_obd_dev, lmm);
365 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm)
367 /* copy mds_lov code is using wrong layer */
368 mds_lov_update_objids(mdd->mdd_obd_dev, lmm);
371 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
372 struct lov_mds_md *lmm, int lmm_size,
373 const struct md_op_spec *spec)
375 if (lmm && !spec->no_create)
376 OBD_FREE(lmm, lmm_size);
379 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
380 struct mdd_object *parent, struct mdd_object *child,
381 struct lov_mds_md **lmm, int *lmm_size,
382 const struct md_op_spec *spec, struct lu_attr *la)
384 struct obd_device *obd = mdd2obd_dev(mdd);
385 struct obd_export *lov_exp = obd->u.mds.mds_lov_exp;
386 struct lu_site *site = mdd2lu_dev(mdd)->ld_site;
388 struct lov_stripe_md *lsm = NULL;
389 const void *eadata = spec->u.sp_ea.eadata;
390 __u32 create_flags = spec->sp_cr_flags;
391 struct obd_trans_info *oti = &mdd_env_info(env)->mti_oti;
395 if (!md_should_create(create_flags)) {
401 /* replay case, has objects already, only get lov from eadata */
402 if (spec->no_create != 0) {
403 *lmm = (struct lov_mds_md *)spec->u.sp_ea.eadata;
404 *lmm_size = spec->u.sp_ea.eadatalen;
405 if (*lmm_size == lov_mds_md_size((*lmm)->lmm_stripe_count,
406 (*lmm)->lmm_magic)) {
409 CERROR("incorrect lsm received during recovery\n");
414 if (OBD_FAIL_CHECK(OBD_FAIL_MDS_ALLOC_OBDO))
415 GOTO(out_ids, rc = -ENOMEM);
417 LASSERT(lov_exp != NULL);
418 oa = &mdd_env_info(env)->mti_oa;
420 oa->o_uid = 0; /* must have 0 uid / gid on OST */
422 oa->o_seq = mdt_to_obd_objseq(lu_site2md(site)->ms_node_id);
423 oa->o_mode = S_IFREG | 0600;
424 oa->o_id = fid_ver_oid(mdd_object_fid(child));
425 oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLFLAGS |
426 OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID | OBD_MD_FLGROUP;
429 if (!(create_flags & MDS_OPEN_HAS_OBJS)) {
430 if (create_flags & MDS_OPEN_HAS_EA) {
431 LASSERT(eadata != NULL);
432 rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE, lov_exp,
433 0, &lsm, (void*)eadata);
436 } else if (parent != NULL) {
437 /* get lov ea from parent and set to lov */
438 struct lov_mds_md *_lmm;
441 _lmm_size = mdd_lov_mdsize(env, mdd);
442 _lmm = mdd_max_lmm_get(env, mdd);
445 GOTO(out_oti, rc = -ENOMEM);
447 rc = mdd_get_md_locked(env, parent, _lmm,
451 rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE,
459 OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_OPEN_WAIT_CREATE, 10);
460 rc = obd_create(lov_exp, oa, &lsm, oti);
463 CERROR("Create error for "DFID": %d\n",
464 PFID(mdo2fid(child)), rc);
469 LASSERT_SEQ_IS_MDT(lsm->lsm_object_seq);
471 LASSERT(eadata != NULL);
472 rc = obd_iocontrol(OBD_IOC_LOV_SETEA, lov_exp, 0, &lsm,
479 lsm->lsm_object_id = fid_ver_oid(mdd_object_fid(child));
480 lsm->lsm_object_seq = fid_seq(mdd_object_fid(child));
482 * Sometimes, we may truncate some object(without lsm) then open it
483 * (with write flags), so creating lsm above. The Nonzero(truncated)
484 * size should tell ost, since size attr is in charge by OST.
486 if (la->la_size && la->la_valid & LA_SIZE) {
487 struct obd_info *oinfo = &mdd_env_info(env)->mti_oi;
489 memset(oinfo, 0, sizeof(*oinfo));
491 /* When setting attr to ost, FLBKSZ is not needed. */
492 oa->o_valid &= ~OBD_MD_FLBLKSZ;
493 obdo_from_la(oa, la, OBD_MD_FLTYPE | OBD_MD_FLATIME |
494 OBD_MD_FLMTIME | OBD_MD_FLCTIME | OBD_MD_FLSIZE);
497 * XXX: Pack lustre id to OST, in OST, it will be packed by
498 * filter_fid, but can not see what is the usages. So just pack
499 * o_seq o_ver here, maybe fix it after this cycle.
501 obdo_from_inode(oa, NULL,
502 (struct lu_fid *)mdd_object_fid(child), 0);
505 oinfo->oi_capa = NULL;
506 oinfo->oi_policy.l_extent.start = la->la_size;
507 oinfo->oi_policy.l_extent.end = OBD_OBJECT_EOF;
509 rc = obd_punch_rqset(lov_exp, oinfo, oti);
511 CERROR("Error setting attrs for "DFID": rc %d\n",
512 PFID(mdo2fid(child)), rc);
514 CERROR("obd_setattr for "DFID" rc %d\n",
515 PFID(mdo2fid(child)), rc);
521 /* blksize should be changed after create data object */
522 la->la_valid |= LA_BLKSIZE;
523 la->la_blksize = oa->o_blksize;
525 rc = obd_packmd(lov_exp, lmm, lsm);
527 CERROR("Cannot pack lsm, err = %d\n", rc);
530 if (mdd_lov_objid_prepare(mdd, *lmm) != 0) {
531 CERROR("Not have memory for update objid\n");
534 GOTO(out_oti, rc = -ENOMEM);
540 oti_free_cookies(oti);
543 obd_free_memmd(lov_exp, &lsm);
549 * used when destroying orphans and from mds_reint_unlink() when MDS wants to
550 * destroy objects on OSS.
553 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
554 struct mdd_object *obj, struct lu_attr *la,
555 struct lov_mds_md *lmm, int lmm_size,
556 struct llog_cookie *logcookies,
559 struct obd_device *obd = mdd2obd_dev(mdd);
560 struct obd_export *lov_exp = obd->u.mds.mds_lov_exp;
561 struct lov_stripe_md *lsm = NULL;
562 struct obd_trans_info *oti = &mdd_env_info(env)->mti_oti;
563 struct obdo *oa = &mdd_env_info(env)->mti_oa;
564 struct lu_site *site = mdd2lu_dev(mdd)->ld_site;
571 rc = obd_unpackmd(lov_exp, &lsm, lmm, lmm_size);
573 CERROR("Error unpack md %p\n", lmm);
576 LASSERT(rc >= sizeof(*lsm));
580 oa->o_id = lsm->lsm_object_id;
581 oa->o_seq = mdt_to_obd_objseq(lu_site2md(site)->ms_node_id);
582 oa->o_mode = la->la_mode & S_IFMT;
583 oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP;
586 if (log_unlink && logcookies) {
587 oa->o_valid |= OBD_MD_FLCOOKIE;
588 oti->oti_logcookies = logcookies;
591 CDEBUG(D_INFO, "destroying OSS object "LPU64":"LPU64"\n", oa->o_seq,
594 rc = obd_destroy(lov_exp, oa, lsm, oti, NULL, NULL);
596 obd_free_memmd(lov_exp, &lsm);
601 * called with obj locked.
603 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
604 struct mdd_object *obj, struct lu_attr *la)
606 struct md_attr *ma = &mdd_env_info(env)->mti_ma;
610 LASSERT(mdd_write_locked(env, obj) != 0);
612 if (unlikely(!S_ISREG(mdd_object_type(obj))))
615 if (unlikely(la->la_nlink != 0)) {
616 CWARN("Attempt to destroy OSS object when nlink == %d\n",
621 ma->ma_lmm_size = mdd_lov_mdsize(env, mdd);
622 ma->ma_lmm = mdd_max_lmm_get(env, mdd);
623 ma->ma_cookie_size = mdd_lov_cookiesize(env, mdd);
624 ma->ma_cookie = mdd_max_cookie_get(env, mdd);
625 if (ma->ma_lmm == NULL || ma->ma_cookie == NULL)
626 RETURN(rc = -ENOMEM);
630 rc = mdd_get_md(env, obj, ma->ma_lmm, &ma->ma_lmm_size,
634 CWARN("Get lov ea failed for "DFID" rc = %d\n",
635 PFID(mdo2fid(obj)), rc);
641 ma->ma_valid = MA_LOV;
643 rc = mdd_unlink_log(env, mdd, obj, ma);
645 CWARN("mds unlink log for "DFID" failed: %d\n",
646 PFID(mdo2fid(obj)), rc);
650 if (ma->ma_valid & MA_COOKIE)
651 rc = mdd_lovobj_unlink(env, mdd, obj, la,
652 ma->ma_lmm, ma->ma_lmm_size,
657 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
658 struct mdd_object *mdd_cobj, struct md_attr *ma)
660 LASSERT(ma->ma_valid & MA_LOV);
662 if ((ma->ma_cookie_size > 0) &&
663 (mds_log_op_unlink(mdd2obd_dev(mdd), ma->ma_lmm, ma->ma_lmm_size,
664 ma->ma_cookie, ma->ma_cookie_size) > 0)) {
665 CDEBUG(D_HA, "DEBUG: unlink log is added for object "DFID"\n",
666 PFID(mdd_object_fid(mdd_cobj)));
667 ma->ma_valid |= MA_COOKIE;
672 int mdd_log_op_setattr(struct obd_device *obd, __u32 uid, __u32 gid,
673 struct lov_mds_md *lmm, int lmm_size,
674 struct llog_cookie *logcookies, int cookies_size)
676 struct mds_obd *mds = &obd->u.mds;
677 struct lov_stripe_md *lsm = NULL;
678 struct llog_setattr64_rec *lsr;
679 struct llog_ctxt *ctxt;
683 if (IS_ERR(mds->mds_lov_obd))
684 RETURN(PTR_ERR(mds->mds_lov_obd));
686 rc = obd_unpackmd(mds->mds_lov_exp, &lsm, lmm, lmm_size);
690 OBD_ALLOC(lsr, sizeof(*lsr));
692 GOTO(out, rc = -ENOMEM);
694 /* prepare setattr log record */
695 lsr->lsr_hdr.lrh_len = lsr->lsr_tail.lrt_len = sizeof(*lsr);
696 lsr->lsr_hdr.lrh_type = MDS_SETATTR64_REC;
700 /* write setattr log */
701 ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
702 rc = llog_add(ctxt, &lsr->lsr_hdr, lsm, logcookies,
703 cookies_size / sizeof(struct llog_cookie));
707 OBD_FREE(lsr, sizeof(*lsr));
709 obd_free_memmd(mds->mds_lov_exp, &lsm);
713 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
714 const struct md_attr *ma,
715 struct lov_mds_md *lmm, int lmm_size,
716 struct llog_cookie *logcookies, int cookies_size)
718 struct obd_device *obd = mdd2obd_dev(mdd);
720 /* journal chown/chgrp in llog, just like unlink */
722 CDEBUG(D_INFO, "setattr llog for uid/gid=%lu/%lu\n",
723 (unsigned long)ma->ma_attr.la_uid,
724 (unsigned long)ma->ma_attr.la_gid);
725 return mdd_log_op_setattr(obd, ma->ma_attr.la_uid,
726 ma->ma_attr.la_gid, lmm,
727 lmm_size, logcookies,
733 static int mdd_osc_setattr_async(struct obd_device *obd, __u32 uid, __u32 gid,
734 struct lov_mds_md *lmm, int lmm_size,
735 struct llog_cookie *logcookies, const struct lu_fid *parent,
738 struct mds_obd *mds = &obd->u.mds;
739 struct obd_trans_info oti = { 0 };
740 struct obd_info oinfo = { { { 0 } } };
744 if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OST_SETATTR))
747 /* first get memory EA */
748 OBDO_ALLOC(oinfo.oi_oa);
754 rc = obd_unpackmd(mds->mds_lov_exp, &oinfo.oi_md, lmm, lmm_size);
756 CERROR("Error unpack md %p for obj "DFID"\n", lmm,
762 oinfo.oi_oa->o_uid = uid;
763 oinfo.oi_oa->o_gid = gid;
764 oinfo.oi_oa->o_id = oinfo.oi_md->lsm_object_id;
765 oinfo.oi_oa->o_seq = oinfo.oi_md->lsm_object_seq;
766 oinfo.oi_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP |
767 OBD_MD_FLUID | OBD_MD_FLGID;
769 oinfo.oi_oa->o_valid |= OBD_MD_FLCOOKIE;
770 oti.oti_logcookies = logcookies;
773 obdo_from_inode(oinfo.oi_oa, NULL, (struct lu_fid *)parent, 0);
776 /* do async setattr from mds to ost not waiting for responses. */
777 rc = obd_setattr_async(mds->mds_lov_exp, &oinfo, &oti, NULL);
779 CDEBUG(D_INODE, "mds to ost setattr objid 0x"LPX64
780 " on ost error %d\n", oinfo.oi_md->lsm_object_id, rc);
783 obd_free_memmd(mds->mds_lov_exp, &oinfo.oi_md);
784 OBDO_FREE(oinfo.oi_oa);
788 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
789 struct lov_mds_md *lmm, int lmm_size,
790 struct llog_cookie *logcookies)
792 struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
793 struct obd_device *obd = mdd2obd_dev(mdd);
794 struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
795 const struct lu_fid *fid = mdd_object_fid(obj);
799 mdd_read_lock(env, obj, MOR_TGT_CHILD);
800 rc = mdo_attr_get(env, obj, tmp_la, mdd_object_capa(env, obj));
801 mdd_read_unlock(env, obj);
805 rc = mdd_osc_setattr_async(obd, tmp_la->la_uid, tmp_la->la_gid, lmm,
806 lmm_size, logcookies, fid, NULL);
810 static int grouplock_blocking_ast(struct ldlm_lock *lock,
811 struct ldlm_lock_desc *desc,
812 void *data, int flag)
814 struct md_attr *ma = data;
815 struct lustre_handle lockh;
821 case LDLM_CB_BLOCKING :
822 /* lock is canceled */
823 CDEBUG(D_DLMTRACE, "Lock %p is canceled\n", lock);
825 ldlm_lock2handle(lock, &lockh);
826 rc = ldlm_cli_cancel(&lockh);
829 case LDLM_CB_CANCELING :
831 "Lock %p has been canceled, do cleaning\n",
834 if (ma && ma->ma_som)
835 OBD_FREE_PTR(ma->ma_som);
845 static int grouplock_glimpse_ast(struct ldlm_lock *lock, void *data)
847 struct ptlrpc_request *req = data;
853 ma = lock->l_ast_data;
855 req_capsule_extend(&req->rq_pill, &RQF_LDLM_GL_CALLBACK);
856 req_capsule_set_size(&req->rq_pill, &RMF_DLM_LVB, RCL_SERVER,
858 rc = req_capsule_server_pack(&req->rq_pill);
860 CERROR("failed pack reply: %d\n", rc);
864 lvb = req_capsule_server_get(&req->rq_pill, &RMF_DLM_LVB);
866 if ((ma) && (ma->ma_valid & MA_SOM)) {
867 lvb->lvb_size = ma->ma_som->msd_size;
868 lvb->lvb_blocks = ma->ma_som->msd_blocks;
869 } else if ((ma) && (ma->ma_valid & MA_INODE)) {
870 lvb->lvb_size = ma->ma_attr.la_size;
871 lvb->lvb_blocks = ma->ma_attr.la_blocks;
874 rc = -ELDLM_NO_LOCK_DATA;
879 if (rc == -ELDLM_NO_LOCK_DATA)
880 lustre_pack_reply(req, 1, NULL, NULL);
886 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
887 struct lov_mds_md *lmm, struct ldlm_extent *extent,
888 struct lustre_handle *lockh)
890 struct ldlm_enqueue_info einfo = { 0 };
891 struct obd_info oinfo = { { { 0 } } };
892 struct obd_device *obd;
893 struct obd_export *lov_exp;
894 struct lov_stripe_md *lsm = NULL;
895 struct md_attr *ma = NULL;
899 obd = mdo2mdd(obj)->mdd_obd_dev;
900 lov_exp = obd->u.mds.mds_lov_exp;
902 obd_unpackmd(lov_exp, &lsm, lmm,
903 lov_mds_md_size(lmm->lmm_stripe_count, lmm->lmm_magic));
907 GOTO(out, rc = -ENOMEM);
909 OBD_ALLOC_PTR(ma->ma_som);
910 if (ma->ma_som == NULL)
911 GOTO(out, rc = -ENOMEM);
913 ma->ma_need = MA_SOM | MA_INODE;
914 mo_attr_get(env, obj, ma);
916 einfo.ei_type = LDLM_EXTENT;
917 einfo.ei_mode = LCK_GROUP;
918 einfo.ei_cb_bl = grouplock_blocking_ast;
919 einfo.ei_cb_cp = ldlm_completion_ast;
920 einfo.ei_cb_gl = grouplock_glimpse_ast;
922 if (ma->ma_valid & (MA_SOM | MA_INODE))
923 einfo.ei_cbdata = ma;
925 einfo.ei_cbdata = NULL;
927 memset(&oinfo.oi_policy, 0, sizeof(oinfo.oi_policy));
928 oinfo.oi_policy.l_extent = *extent;
929 oinfo.oi_lockh = lockh;
933 rc = obd_enqueue(lov_exp, &oinfo, &einfo, NULL);
934 /* ei_cbdata is used as a free flag at exit */
936 einfo.ei_cbdata = NULL;
938 obd_unpackmd(lov_exp, &lsm, NULL, 0);
941 /* ma is freed if not used as callback data */
942 if ((einfo.ei_cbdata == NULL) && ma && ma->ma_som)
943 OBD_FREE_PTR(ma->ma_som);
944 if ((einfo.ei_cbdata == NULL) && ma)
950 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
951 struct lov_mds_md *lmm, struct lustre_handle *lockh)
953 struct obd_device *obd;
954 struct obd_export *lov_exp;
955 struct lov_stripe_md *lsm = NULL;
959 LASSERT(lustre_handle_is_used(lockh));
961 obd = mdo2mdd(obj)->mdd_obd_dev;
962 lov_exp = obd->u.mds.mds_lov_exp;
964 obd_unpackmd(lov_exp, &lsm, lmm,
965 lov_mds_md_size(lmm->lmm_stripe_count, lmm->lmm_magic));
967 rc = obd_cancel(lov_exp, lsm, LCK_GROUP, lockh);
969 obd_unpackmd(lov_exp, &lsm, NULL, 0);