-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * lustre/mdd/mdd_lov.c
- * Lustre Metadata Server (mds) handling of striped file data
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Copyright (C) 2001-2006 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@clusterfs.com>
- * wangdi <wangdi@clusterfs.com>
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mdd/mdd_lov.c
+ *
+ * Lustre Metadata Server (mds) handling of striped file data
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: wangdi <wangdi@clusterfs.com>
+ */
+
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/module.h>
#include "mdd_internal.h"
-static int mdd_notify(struct obd_device *host, struct obd_device *watched,
- enum obd_notify_event ev, void *owner)
-{
- struct mdd_device *mdd = owner;
- int rc = 0;
- ENTRY;
-
- LASSERT(owner != NULL);
- switch (ev)
- {
- case OBD_NOTIFY_ACTIVE:
- case OBD_NOTIFY_SYNC:
- case OBD_NOTIFY_SYNC_NONBLOCK:
- rc = md_do_upcall(NULL, &mdd->mdd_md_dev, MD_LOV_SYNC);
- break;
- case OBD_NOTIFY_CONFIG:
- rc = md_do_upcall(NULL, &mdd->mdd_md_dev, MD_LOV_CONFIG);
- break;
- default:
- CDEBUG(D_INFO, "Unhandled notification %#x\n", ev);
- }
-
- RETURN(rc);
-}
-
-/* The obd is created for handling data stack for mdd */
-int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
- struct lustre_cfg *cfg)
-{
- char *dev = lustre_cfg_string(cfg, 0);
- int rc, name_size, uuid_size;
- char *name, *uuid;
- __u32 mds_id;
- struct lustre_cfg_bufs *bufs;
- struct lustre_cfg *lcfg;
- struct obd_device *obd;
- ENTRY;
-
- mds_id = mdd2lu_dev(mdd)->ld_site->ls_node_id;
- name_size = strlen(MDD_OBD_NAME) + 35;
- uuid_size = strlen(MDD_OBD_UUID) + 35;
-
- OBD_ALLOC(name, name_size);
- OBD_ALLOC(uuid, uuid_size);
- if (name == NULL || uuid == NULL)
- GOTO(cleanup_mem, rc = -ENOMEM);
-
- OBD_ALLOC_PTR(bufs);
- if (!bufs)
- GOTO(cleanup_mem, rc = -ENOMEM);
-
- snprintf(name, strlen(MDD_OBD_NAME) + 35, "%s-%s-%d",
- MDD_OBD_NAME, dev, mds_id);
-
- snprintf(uuid, strlen(MDD_OBD_UUID) + 35, "%s-%s-%d",
- MDD_OBD_UUID, dev, mds_id);
-
- lustre_cfg_bufs_reset(bufs, name);
- lustre_cfg_bufs_set_string(bufs, 1, MDD_OBD_TYPE);
- lustre_cfg_bufs_set_string(bufs, 2, uuid);
- lustre_cfg_bufs_set_string(bufs, 3, (char*)dev/* MDD_OBD_PROFILE */);
- lustre_cfg_bufs_set_string(bufs, 4, (char*)dev);
-
- lcfg = lustre_cfg_new(LCFG_ATTACH, bufs);
- OBD_FREE_PTR(bufs);
- if (!lcfg)
- GOTO(cleanup_mem, rc = -ENOMEM);
-
- rc = class_attach(lcfg);
- if (rc)
- GOTO(lcfg_cleanup, rc);
-
- obd = class_name2obd(name);
- if (!obd) {
- CERROR("Can not find obd %s\n", MDD_OBD_NAME);
- LBUG();
- }
-
- obd->obd_recovering = 1;
- obd->u.mds.mds_id = mds_id;
- rc = class_setup(obd, lcfg);
- if (rc)
- GOTO(class_detach, rc);
-
- /*
- * Add here for obd notify mechanism, when adding a new ost, the mds
- * will notify this mdd.
- */
- obd->obd_upcall.onu_upcall = mdd_notify;
- obd->obd_upcall.onu_owner = mdd;
- mdd->mdd_obd_dev = obd;
-
- EXIT;
-class_detach:
- if (rc)
- class_detach(obd, lcfg);
-lcfg_cleanup:
- lustre_cfg_free(lcfg);
-cleanup_mem:
- if (name)
- OBD_FREE(name, name_size);
- if (uuid)
- OBD_FREE(uuid, uuid_size);
- return rc;
-}
-
-int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
- struct lustre_cfg *lcfg)
-{
- struct obd_device *obd;
- int rc;
- ENTRY;
-
- obd = mdd2obd_dev(mdd);
- LASSERT(obd);
-
- rc = class_cleanup(obd, lcfg);
- if (rc)
- GOTO(lcfg_cleanup, rc);
-
- obd->obd_upcall.onu_upcall = NULL;
- obd->obd_upcall.onu_owner = NULL;
- rc = class_detach(obd, lcfg);
- if (rc)
- GOTO(lcfg_cleanup, rc);
- mdd->mdd_obd_dev = NULL;
-
- EXIT;
-lcfg_cleanup:
- return rc;
-}
-
int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
void *md, int *md_size, const char *name)
{
*md_size = 0;
rc = 0;
} else if (rc < 0) {
- CERROR("Error %d reading eadata \n", rc);
+ CDEBUG(D_OTHER, "Error %d reading eadata - %d\n",
+ rc, *md_size);
} else {
/* XXX: Convert lov EA but fixed after verification test. */
*md_size = rc;
RETURN(rc);
}
-
-int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
- void *md, int *md_size, const char *name)
-{
- int rc = 0;
- mdd_read_lock(env, obj);
- rc = mdd_get_md(env, obj, md, md_size, name);
- mdd_read_unlock(env, obj);
- return rc;
-}
-
-static int mdd_lov_set_stripe_md(const struct lu_env *env,
- struct mdd_object *obj, struct lu_buf *buf,
- struct thandle *handle)
-{
- struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct obd_export *lov_exp = obd->u.mds.mds_osc_exp;
- struct lov_stripe_md *lsm = NULL;
- int rc;
- ENTRY;
-
- LASSERT(S_ISDIR(mdd_object_type(obj)) || S_ISREG(mdd_object_type(obj)));
- rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE, lov_exp, 0,
- &lsm, buf->lb_buf);
- if (rc)
- RETURN(rc);
- obd_free_memmd(lov_exp, &lsm);
-
- rc = mdd_xattr_set_txn(env, obj, buf, MDS_LOV_MD_NAME, 0, handle);
-
- CDEBUG(D_INFO, "set lov ea of "DFID" rc %d \n", PFID(mdo2fid(obj)), rc);
- RETURN(rc);
-}
-
-/*
- * Permission check is done before call it,
- * no need check again.
- */
-static int mdd_lov_set_dir_md(const struct lu_env *env,
- struct mdd_object *obj, struct lu_buf *buf,
- struct thandle *handle)
-{
- struct lov_user_md *lum = NULL;
- int rc = 0;
- ENTRY;
-
- LASSERT(S_ISDIR(mdd_object_type(obj)));
- lum = (struct lov_user_md*)buf->lb_buf;
-
- /* if { size, offset, count } = { 0, -1, 0 } (i.e. all default
- * values specified) then delete default striping from dir. */
- if ((lum->lmm_stripe_size == 0 && lum->lmm_stripe_count == 0 &&
- lum->lmm_stripe_offset == (typeof(lum->lmm_stripe_offset))(-1)) ||
- /* lmm_stripe_size == -1 is deprecated in 1.4.6 */
- lum->lmm_stripe_size == (typeof(lum->lmm_stripe_size))(-1)){
- rc = mdd_xattr_set_txn(env, obj, &LU_BUF_NULL,
- MDS_LOV_MD_NAME, 0, handle);
- if (rc == -ENODATA)
- rc = 0;
- CDEBUG(D_INFO, "delete lov ea of "DFID" rc %d \n",
- PFID(mdo2fid(obj)), rc);
- } else {
- rc = mdd_lov_set_stripe_md(env, obj, buf, handle);
- }
- RETURN(rc);
-}
-
-int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj)
-{
- struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
- struct md_ucred *uc = md_ucred(env);
- int rc;
- ENTRY;
-
- rc = mdd_la_get(env, obj, tmp_la, BYPASS_CAPA);
- if (rc)
- RETURN(rc);
-
- if ((uc->mu_fsuid != tmp_la->la_uid) && !mdd_capable(uc, CAP_FOWNER))
- rc = mdd_permission_internal_locked(env, obj, tmp_la,
- MAY_WRITE);
-
- RETURN(rc);
-}
-
-int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
- struct mdd_object *child, struct lov_mds_md *lmmp,
- int lmm_size, struct thandle *handle, int set_stripe)
-{
- struct lu_buf *buf;
- umode_t mode;
- int rc = 0;
- ENTRY;
-
- buf = mdd_buf_get(env, lmmp, lmm_size);
- mode = mdd_object_type(child);
- if (S_ISREG(mode) && lmm_size > 0) {
- if (set_stripe) {
- rc = mdd_lov_set_stripe_md(env, child, buf, handle);
- } else {
- rc = mdd_xattr_set_txn(env, child, buf,
- MDS_LOV_MD_NAME, 0, handle);
- }
- } else if (S_ISDIR(mode)) {
- if (lmmp == NULL && lmm_size == 0) {
- struct mdd_device *mdd = mdd_obj2mdd_dev(child);
- struct lov_mds_md *lmm = mdd_max_lmm_get(env, mdd);
- int size = sizeof(*lmm);
-
- /* Get parent dir stripe and set */
- if (pobj != NULL)
- rc = mdd_get_md_locked(env, pobj, lmm, &size,
- MDS_LOV_MD_NAME);
- if (rc > 0) {
- buf = mdd_buf_get(env, lmm, size);
- rc = mdd_xattr_set_txn(env, child, buf,
- MDS_LOV_MD_NAME, 0, handle);
- if (rc)
- CERROR("error on copy stripe info: rc "
- "= %d\n", rc);
- }
- } else {
- LASSERT(lmmp != NULL && lmm_size > 0);
- rc = mdd_lov_set_dir_md(env, child, buf, handle);
- }
- }
- CDEBUG(D_INFO, "Set lov md %p size %d for fid "DFID" rc %d\n",
- lmmp, lmm_size, PFID(mdo2fid(child)), rc);
- RETURN(rc);
-}
-
-/*
- * XXX: this is for create lsm object id, which should identify the lsm object
- * unique in the whole mds, as I see. But it seems, we still not need it
- * now. Right? So just borrow the ll_fid_build_ino().
- */
-static obd_id mdd_lov_create_id(const struct lu_fid *fid)
-{
- return fid_flatten(fid);
-}
-
-static int mdd_lov_objid_alloc(const struct lu_env *env,
- struct mdd_device *mdd)
-{
- struct mdd_thread_info *info = mdd_env_info(env);
- struct mds_obd *mds = &mdd->mdd_obd_dev->u.mds;
-
- OBD_ALLOC(info->mti_oti.oti_objid,
- mds->mds_lov_desc.ld_tgt_count * sizeof(obd_id));
- return (info->mti_oti.oti_objid == NULL ? -ENOMEM : 0);
-}
-
-void mdd_lov_objid_update(const struct lu_env *env, struct mdd_device *mdd)
-{
- struct mdd_thread_info *info = mdd_env_info(env);
- if (info->mti_oti.oti_objid != NULL)
- mds_lov_update_objids(mdd->mdd_obd_dev,
- info->mti_oti.oti_objid);
-}
-
-static void mdd_lov_objid_from_lmm(const struct lu_env *env,
- struct mdd_device *mdd,
- struct lov_mds_md *lmm)
-{
- struct mds_obd *mds = &mdd->mdd_obd_dev->u.mds;
- struct mdd_thread_info *info = mdd_env_info(env);
- mds_objids_from_lmm(info->mti_oti.oti_objid, lmm, &mds->mds_lov_desc);
-}
-
-static void mdd_lov_objid_free(const struct lu_env *env,
- struct mdd_device *mdd)
-{
- struct mdd_thread_info *info = mdd_env_info(env);
- struct mds_obd *mds = &mdd->mdd_obd_dev->u.mds;
-
- OBD_FREE(info->mti_oti.oti_objid,
- mds->mds_lov_desc.ld_tgt_count * sizeof(obd_id));
- info->mti_oti.oti_objid = NULL;
-}
-
-void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
- struct lov_mds_md *lmm, int lmm_size,
- const struct md_op_spec *spec)
-{
- struct mdd_thread_info *info = mdd_env_info(env);
-
- if (lmm && !spec->u.sp_ea.no_lov_create)
- OBD_FREE(lmm, lmm_size);
-
- if (info->mti_oti.oti_objid != NULL)
- mdd_lov_objid_free(env, mdd);
-}
-
-int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *parent, struct mdd_object *child,
- struct lov_mds_md **lmm, int *lmm_size,
- const struct md_op_spec *spec, struct lu_attr *la)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct obd_export *lov_exp = obd->u.mds.mds_osc_exp;
- struct obdo *oa;
- struct lov_stripe_md *lsm = NULL;
- const void *eadata = spec->u.sp_ea.eadata;
- __u32 create_flags = spec->sp_cr_flags;
- struct obd_trans_info *oti = &mdd_env_info(env)->mti_oti;
- int rc = 0;
- ENTRY;
-
- if (create_flags & MDS_OPEN_DELAY_CREATE ||
- !(create_flags & FMODE_WRITE))
- RETURN(0);
-
- oti_init(oti, NULL);
- rc = mdd_lov_objid_alloc(env, mdd);
- if (rc != 0)
- RETURN(rc);
-
- /* replay case, has objects already, only get lov from eadata */
- if (spec->u.sp_ea.no_lov_create != 0) {
- *lmm = (struct lov_mds_md *)spec->u.sp_ea.eadata;
- *lmm_size = spec->u.sp_ea.eadatalen;
- mdd_lov_objid_from_lmm(env, mdd, *lmm);
- RETURN(0);
- }
-
- if (OBD_FAIL_CHECK_ONCE(OBD_FAIL_MDS_ALLOC_OBDO))
- GOTO(out_ids, rc = -ENOMEM);
-
- LASSERT(lov_exp != NULL);
- oa = &mdd_env_info(env)->mti_oa;
-
- oa->o_uid = 0; /* must have 0 uid / gid on OST */
- oa->o_gid = 0;
- oa->o_gr = FILTER_GROUP_MDS0 + mdd2lu_dev(mdd)->ld_site->ls_node_id;
- oa->o_mode = S_IFREG | 0600;
- oa->o_id = mdd_lov_create_id(mdd_object_fid(child));
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLFLAGS |
- OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID | OBD_MD_FLGROUP;
- oa->o_size = 0;
-
- if (!(create_flags & MDS_OPEN_HAS_OBJS)) {
- if (create_flags & MDS_OPEN_HAS_EA) {
- LASSERT(eadata != NULL);
- rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE, lov_exp,
- 0, &lsm, (void*)eadata);
- if (rc)
- GOTO(out_oti, rc);
- lsm->lsm_object_id = oa->o_id;
- lsm->lsm_object_gr = oa->o_gr;
- } else if (parent != NULL) {
- /* get lov ea from parent and set to lov */
- struct lov_mds_md *_lmm;
- int _lmm_size;
-
- _lmm_size = mdd_lov_mdsize(env, mdd);
- _lmm = mdd_max_lmm_get(env, mdd);
-
- if (_lmm == NULL)
- GOTO(out_oti, rc = -ENOMEM);
-
- rc = mdd_get_md_locked(env, parent, _lmm,
- &_lmm_size,
- MDS_LOV_MD_NAME);
- if (rc > 0)
- rc = obd_iocontrol(OBD_IOC_LOV_SETSTRIPE,
- lov_exp, 0, &lsm, _lmm);
- if (rc)
- GOTO(out_oti, rc);
- }
-
- rc = obd_create(lov_exp, oa, &lsm, oti);
- if (rc) {
- if (rc > 0) {
- CERROR("Create error for "DFID": %d\n",
- PFID(mdo2fid(child)), rc);
- rc = -EIO;
- }
- GOTO(out_oti, rc);
- }
- LASSERT(lsm->lsm_object_gr >= FILTER_GROUP_MDS0);
- } else {
- LASSERT(eadata != NULL);
- rc = obd_iocontrol(OBD_IOC_LOV_SETEA, lov_exp, 0, &lsm,
- (void*)eadata);
- if (rc)
- GOTO(out_oti, rc);
- lsm->lsm_object_id = oa->o_id;
- lsm->lsm_object_gr = oa->o_gr;
- }
-
- /*
- * Sometimes, we may truncate some object(without lsm) then open it
- * (with write flags), so creating lsm above. The Nonzero(truncated)
- * size should tell ost, since size attr is in charge by OST.
- */
- if (la->la_size && la->la_valid & LA_SIZE) {
- struct obd_info *oinfo = &mdd_env_info(env)->mti_oi;
-
- memset(oinfo, 0, sizeof(*oinfo));
-
- oa->o_size = la->la_size;
-
- /* When setting attr to ost, FLBKSZ is not needed. */
- oa->o_valid &= ~OBD_MD_FLBLKSZ;
- obdo_from_la(oa, la, OBD_MD_FLTYPE | OBD_MD_FLATIME |
- OBD_MD_FLMTIME | OBD_MD_FLCTIME | OBD_MD_FLSIZE);
-
- /*
- * XXX: Pack lustre id to OST, in OST, it will be packed by
- * filter_fid, but can not see what is the usages. So just pack
- * o_seq o_ver here, maybe fix it after this cycle.
- */
- oa->o_fid = fid_seq(mdd_object_fid(child));
- oa->o_generation = fid_oid(mdd_object_fid(child));
- oa->o_valid |= OBD_MD_FLFID | OBD_MD_FLGENER;
- oinfo->oi_oa = oa;
- oinfo->oi_md = lsm;
- oinfo->oi_capa = mdo_capa_get(env, child, NULL, 0,
- CAPA_OPC_MDS_DEFAULT);
- if (IS_ERR(oinfo->oi_capa))
- oinfo->oi_capa = NULL;
-
- rc = obd_setattr(lov_exp, oinfo, oti);
- capa_put(oinfo->oi_capa);
- if (rc) {
- CERROR("Error setting attrs for "DFID": rc %d\n",
- PFID(mdo2fid(child)), rc);
- if (rc > 0) {
- CERROR("obd_setattr for "DFID" rc %d\n",
- PFID(mdo2fid(child)), rc);
- rc = -EIO;
- }
- GOTO(out_oti, rc);
- }
- }
-
- /* blksize should be changed after create data object */
- la->la_valid |= LA_BLKSIZE;
- la->la_blksize = oa->o_blksize;
- *lmm = NULL;
- rc = obd_packmd(lov_exp, lmm, lsm);
- if (rc < 0) {
- CERROR("Cannot pack lsm, err = %d\n", rc);
- GOTO(out_oti, rc);
- }
- *lmm_size = rc;
- rc = 0;
- EXIT;
-out_oti:
- oti_free_cookies(oti);
-out_ids:
- if (lsm)
- obd_free_memmd(lov_exp, &lsm);
- if (rc != 0)
- mdd_lov_objid_free(env, mdd);
-
- return rc;
-}
-
-
-/*
- * used when destroying orphans and from mds_reint_unlink() when MDS wants to
- * destroy objects on OSS.
- */
-static
-int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *obj, struct lu_attr *la,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies,
- int log_unlink)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct obd_export *lov_exp = obd->u.mds.mds_osc_exp;
- struct lov_stripe_md *lsm = NULL;
- struct obd_trans_info *oti = &mdd_env_info(env)->mti_oti;
- struct obdo *oa = &mdd_env_info(env)->mti_oa;
- int rc;
- ENTRY;
-
- if (lmm_size == 0)
- RETURN(0);
-
- rc = obd_unpackmd(lov_exp, &lsm, lmm, lmm_size);
- if (rc < 0) {
- CERROR("Error unpack md %p\n", lmm);
- RETURN(rc);
- } else {
- LASSERT(rc >= sizeof(*lsm));
- rc = 0;
- }
-
- oa->o_id = lsm->lsm_object_id;
- oa->o_gr = FILTER_GROUP_MDS0 + mdd2lu_dev(mdd)->ld_site->ls_node_id;
- oa->o_mode = la->la_mode & S_IFMT;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP;
-
- oti_init(oti, NULL);
- if (log_unlink && logcookies) {
- oa->o_valid |= OBD_MD_FLCOOKIE;
- oti->oti_logcookies = logcookies;
- }
-
- CDEBUG(D_INFO, "destroying OSS object %d/%d\n",
- (int)oa->o_id, (int)oa->o_gr);
-
- rc = obd_destroy(lov_exp, oa, lsm, oti, NULL);
-
- obd_free_memmd(lov_exp, &lsm);
- RETURN(rc);
-}
-
-
-/*
- * called with obj not locked.
- */
-int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *obj, struct lu_attr *la)
-{
- struct md_attr *ma = &mdd_env_info(env)->mti_ma;
- int rc;
- ENTRY;
-
- if (unlikely(la->la_nlink != 0)) {
- CWARN("Attempt to destroy OSS object when nlink == %d\n",
- la->la_nlink);
- RETURN(0);
- }
-
- ma->ma_lmm_size = mdd_lov_mdsize(env, mdd);
- ma->ma_lmm = mdd_max_lmm_get(env, mdd);
- ma->ma_cookie_size = mdd_lov_cookiesize(env, mdd);
- ma->ma_cookie = mdd_max_cookie_get(env, mdd);
- if (ma->ma_lmm == NULL || ma->ma_cookie == NULL)
- RETURN(rc = -ENOMEM);
-
- /* get lov ea */
- rc = mdd_get_md_locked(env, obj, ma->ma_lmm, &ma->ma_lmm_size,
- MDS_LOV_MD_NAME);
- if (rc) {
- CWARN("Get lov ea failed for "DFID"\n", PFID(mdo2fid(obj)));
- RETURN(rc);
- }
- ma->ma_valid = MA_LOV;
-
- rc = mdd_unlink_log(env, mdd, obj, ma);
- if (rc) {
- CWARN("mds unlink log for "DFID" failed: %d\n",
- PFID(mdo2fid(obj)), rc);
- RETURN(rc);
- }
- if (ma->ma_valid | MA_COOKIE)
- rc = mdd_lovobj_unlink(env, mdd, obj, la,
- ma->ma_lmm, ma->ma_lmm_size,
- ma->ma_cookie, 1);
- RETURN(rc);
-}
-
-
-int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
- struct mdd_object *mdd_cobj, struct md_attr *ma)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
-
- LASSERT(ma->ma_valid & MA_LOV);
-
- if ((ma->ma_cookie_size > 0) &&
- (mds_log_op_unlink(obd, ma->ma_lmm, ma->ma_lmm_size,
- ma->ma_cookie, ma->ma_cookie_size) > 0)) {
- ma->ma_valid |= MA_COOKIE;
- }
- return 0;
-}
-
-int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
- const struct md_attr *ma,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, int cookies_size)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
-
- /* journal chown/chgrp in llog, just like unlink */
- if (lmm_size > 0) {
- CDEBUG(D_INFO, "setattr llog for uid/gid=%lu/%lu\n",
- (unsigned long)ma->ma_attr.la_uid,
- (unsigned long)ma->ma_attr.la_gid);
- return mds_log_op_setattr(obd, ma->ma_attr.la_uid,
- ma->ma_attr.la_gid, lmm,
- lmm_size, logcookies,
- cookies_size);
- } else
- return 0;
-}
-
-int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies)
-{
- struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
- const struct lu_fid *fid = mdd_object_fid(obj);
- struct obd_capa *oc;
- int rc = 0;
- ENTRY;
-
- mdd_read_lock(env, obj);
- rc = mdo_attr_get(env, obj, tmp_la, mdd_object_capa(env, obj));
- mdd_read_unlock(env, obj);
- if (rc)
- RETURN(rc);
-
- oc = mdo_capa_get(env, obj, NULL, 0, CAPA_OPC_MDS_DEFAULT);
- if (IS_ERR(oc))
- oc = NULL;
-
- rc = mds_osc_setattr_async(obd, tmp_la->la_uid, tmp_la->la_gid, lmm,
- lmm_size, logcookies, fid_seq(fid),
- fid_oid(fid), oc);
-
- capa_put(oc);
-
- RETURN(rc);
-}
-