X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fofd%2Fofd_dev.c;h=20e3c5926f1c118190346b7122bfb39761a5efd6;hb=41998544b8a34b3c385f2a6adb7ebc01ba496182;hp=0eef6a46c70ec618f3c397829dbcb6972fb10bb5;hpb=1f0defa6965f5085e616cdbfdb5f63d35e69f0a2;p=fs%2Flustre-release.git

diff --git a/lustre/ofd/ofd_dev.c b/lustre/ofd/ofd_dev.c
index 0eef6a4..20e3c59 100644
--- a/lustre/ofd/ofd_dev.c
+++ b/lustre/ofd/ofd_dev.c
@@ -27,7 +27,7 @@
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2012, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -44,11 +44,12 @@
 
 #include <obd_class.h>
 #include <lustre_param.h>
+#include <lustre_fid.h>
 
 #include "ofd_internal.h"
 
 /* Slab for OFD object allocation */
-static cfs_mem_cache_t *ofd_object_kmem;
+static struct kmem_cache *ofd_object_kmem;
 
 static struct lu_kmem_descr ofd_caches[] = {
 	{
@@ -61,76 +62,83 @@ static struct lu_kmem_descr ofd_caches[] = {
 	}
 };
 
+static int ofd_connect_to_next(const struct lu_env *env, struct ofd_device *m,
+			       const char *next, struct obd_export **exp)
+{
+	struct obd_connect_data *data = NULL;
+	struct obd_device	*obd;
+	int			 rc;
+	ENTRY;
+
+	OBD_ALLOC_PTR(data);
+	if (data == NULL)
+		GOTO(out, rc = -ENOMEM);
+
+	obd = class_name2obd(next);
+	if (obd == NULL) {
+		CERROR("%s: can't locate next device: %s\n",
+		       m->ofd_dt_dev.dd_lu_dev.ld_obd->obd_name, next);
+		GOTO(out, rc = -ENOTCONN);
+	}
+
+	data->ocd_connect_flags = OBD_CONNECT_VERSION;
+	data->ocd_version = LUSTRE_VERSION_CODE;
+
+	rc = obd_connect(NULL, exp, obd, &obd->obd_uuid, data, NULL);
+	if (rc) {
+		CERROR("%s: cannot connect to next dev %s: rc = %d\n",
+		       m->ofd_dt_dev.dd_lu_dev.ld_obd->obd_name, next, rc);
+		GOTO(out, rc);
+	}
+
+	m->ofd_dt_dev.dd_lu_dev.ld_site =
+		m->ofd_osd_exp->exp_obd->obd_lu_dev->ld_site;
+	LASSERT(m->ofd_dt_dev.dd_lu_dev.ld_site);
+	m->ofd_osd = lu2dt_dev(m->ofd_osd_exp->exp_obd->obd_lu_dev);
+	m->ofd_dt_dev.dd_lu_dev.ld_site->ls_top_dev = &m->ofd_dt_dev.dd_lu_dev;
+
+out:
+	if (data)
+		OBD_FREE_PTR(data);
+	RETURN(rc);
+}
+
 static int ofd_stack_init(const struct lu_env *env,
 			  struct ofd_device *m, struct lustre_cfg *cfg)
 {
-	struct lu_device	*ofd_lu = &m->ofd_dt_dev.dd_lu_dev;
 	const char		*dev = lustre_cfg_string(cfg, 0);
-	struct obd_type		*type;
-	struct lu_device_type	*ldt;
 	struct lu_device	*d;
 	struct ofd_thread_info	*info = ofd_info(env);
+	struct lustre_mount_info *lmi;
 	int			 rc;
+	char			*osdname;
 
 	ENTRY;
 
-	/* XXX: we should be able to use different OSDs here */
-	type = class_get_type(LUSTRE_OSD_NAME);
-	if (!type) {
-		CERROR("Unknown type: '%s'\n", LUSTRE_OSD_NAME);
+	lmi = server_get_mount(dev);
+	if (lmi == NULL) {
+		CERROR("Cannot get mount info for %s!\n", dev);
 		RETURN(-ENODEV);
 	}
 
-	rc = lu_env_refill((struct lu_env *)env);
-	if (rc != 0) {
-		CERROR("Failure to refill session: '%d'\n", rc);
-		GOTO(out_type, rc);
-	}
+	/* find bottom osd */
+	OBD_ALLOC(osdname, MTI_NAME_MAXLEN);
+	if (osdname == NULL)
+		RETURN(-ENOMEM);
 
-	ldt = type->typ_lu;
-	if (ldt == NULL) {
-		CERROR("type: '%s'\n", LUSTRE_OSD_NAME);
-		GOTO(out_type, rc = -EINVAL);
-	}
-
-	ldt->ldt_obd_type = type;
-	d = ldt->ldt_ops->ldto_device_alloc(env, ldt, cfg);
-	if (IS_ERR(d)) {
-		CERROR("Cannot allocate device: '%s'\n", LUSTRE_OSD_NAME);
-		GOTO(out_type, rc = -ENODEV);
-	}
+	snprintf(osdname, MTI_NAME_MAXLEN, "%s-osd", dev);
+	rc = ofd_connect_to_next(env, m, osdname, &m->ofd_osd_exp);
+	OBD_FREE(osdname, MTI_NAME_MAXLEN);
+	if (rc)
+		RETURN(rc);
 
-	LASSERT(ofd_lu->ld_site);
-	d->ld_site = ofd_lu->ld_site;
+	d = m->ofd_osd_exp->exp_obd->obd_lu_dev;
+	LASSERT(d);
+	m->ofd_osd = lu2dt_dev(d);
 
 	snprintf(info->fti_u.name, sizeof(info->fti_u.name),
 		 "%s-osd", lustre_cfg_string(cfg, 0));
 
-	type->typ_refcnt++;
-	rc = ldt->ldt_ops->ldto_device_init(env, d, dev, NULL);
-	if (rc) {
-		CERROR("can't init device '%s', rc %d\n", LUSTRE_OSD_NAME, rc);
-		GOTO(out_free, rc);
-	}
-	lu_device_get(d);
-	lu_ref_add(&d->ld_reference, "lu-stack", &lu_site_init);
-
-	m->ofd_osd = lu2dt_dev(d);
-
-	/* process setup config */
-	rc = d->ld_ops->ldo_process_config(env, d, cfg);
-	if (rc)
-		GOTO(out_fini, rc);
-
-	RETURN(rc);
-
-out_fini:
-	ldt->ldt_ops->ldto_device_fini(env, d);
-out_free:
-	type->typ_refcnt--;
-	ldt->ldt_ops->ldto_device_free(env, d);
-out_type:
-	class_put_type(type);
 	RETURN(rc);
 }
 
@@ -163,12 +171,21 @@ static void ofd_stack_fini(const struct lu_env *env, struct ofd_device *m,
 	top->ld_ops->ldo_process_config(env, top, lcfg);
 	lustre_cfg_free(lcfg);
 
-	lu_stack_fini(env, &m->ofd_osd->dd_lu_dev);
+	lu_site_purge(env, top->ld_site, ~0);
+
+	LASSERT(m->ofd_osd_exp);
+	obd_disconnect(m->ofd_osd_exp);
 	m->ofd_osd = NULL;
 
 	EXIT;
 }
 
+/* For interoperability, see mdt_interop_param[]. */
+static struct cfg_interop_param ofd_interop_param[] = {
+	{ "ost.quota_type",	NULL },
+	{ NULL }
+};
+
 /* used by MGS to process specific configurations */
 static int ofd_process_config(const struct lu_env *env, struct lu_device *d,
 			      struct lustre_cfg *cfg)
@@ -184,6 +201,38 @@ static int ofd_process_config(const struct lu_env *env, struct lu_device *d,
 	case LCFG_PARAM: {
 		struct lprocfs_static_vars lvars;
 
+		/* For interoperability */
+		struct cfg_interop_param   *ptr = NULL;
+		struct lustre_cfg	   *old_cfg = NULL;
+		char			   *param = NULL;
+
+		param = lustre_cfg_string(cfg, 1);
+		if (param == NULL) {
+			CERROR("param is empty\n");
+			rc = -EINVAL;
+			break;
+		}
+
+		ptr = class_find_old_param(param, ofd_interop_param);
+		if (ptr != NULL) {
+			if (ptr->new_param == NULL) {
+				rc = 0;
+				CWARN("For interoperability, skip this %s."
+				      " It is obsolete.\n", ptr->old_param);
+				break;
+			}
+
+			CWARN("Found old param %s, changed it to %s.\n",
+			      ptr->old_param, ptr->new_param);
+
+			old_cfg = cfg;
+			cfg = lustre_cfg_rename(old_cfg, ptr->new_param);
+			if (IS_ERR(cfg)) {
+				rc = PTR_ERR(cfg);
+				break;
+			}
+		}
+
 		lprocfs_ofd_init_vars(&lvars);
 		rc = class_process_proc_param(PARAM_OST, lvars.obd_vars, cfg,
 					      d->ld_obd);
@@ -264,7 +313,7 @@ static struct lu_object *ofd_object_alloc(const struct lu_env *env,
 
 	ENTRY;
 
-	OBD_SLAB_ALLOC_PTR_GFP(of, ofd_object_kmem, CFS_ALLOC_IO);
+	OBD_SLAB_ALLOC_PTR_GFP(of, ofd_object_kmem, __GFP_IO);
 	if (of != NULL) {
 		struct lu_object	*o;
 		struct lu_object_header *h;
@@ -283,17 +332,39 @@ static struct lu_object *ofd_object_alloc(const struct lu_env *env,
 
 extern int ost_handle(struct ptlrpc_request *req);
 
-static int ofd_start(const struct lu_env *env, struct lu_device *dev)
+static int ofd_prepare(const struct lu_env *env, struct lu_device *pdev,
+		       struct lu_device *dev)
 {
+	struct ofd_thread_info *info;
 	struct ofd_device	*ofd = ofd_dev(dev);
+	struct obd_device	*obd = ofd_obd(ofd);
 	struct lu_device	*next = &ofd->ofd_osd->dd_lu_dev;
 	int			 rc;
 
 	ENTRY;
 
+	rc = lu_env_refill((struct lu_env *)env);
+	if (rc != 0) {
+		CERROR("Failure to refill session: '%d'\n", rc);
+		RETURN(rc);
+	}
+
+	info = ofd_info_init(env, NULL);
+	if (info == NULL)
+		RETURN(-EFAULT);
+
 	/* initialize lower device */
 	rc = next->ld_ops->ldo_prepare(env, dev, next);
 
+	target_recovery_init(&ofd->ofd_lut, ost_handle);
+	LASSERT(obd->obd_no_conn);
+	spin_lock(&obd->obd_dev_lock);
+	obd->obd_no_conn = 0;
+	spin_unlock(&obd->obd_dev_lock);
+
+	if (obd->obd_recovering == 0)
+		ofd_postrecov(env, ofd);
+
 	RETURN(rc);
 }
 
@@ -306,6 +377,14 @@ static int ofd_recovery_complete(const struct lu_env *env,
 
 	ENTRY;
 
+	/* Grant space for object precreation on the self export.
+	 * This initial reserved space (i.e. 20MB for zfs and 560KB for ldiskfs)
+	 * is enough to create 20k objects. It is then adapted based on the
+	 * precreate request size (see ofd_grant_create()
+	 */
+	ofd_grant_connect(env, dev->ld_obd->obd_self_export,
+			  OST_MAX_PRECREATE * ofd->ofd_dt_conf.ddp_inodespace,
+			  false);
 	rc = next->ld_ops->ldo_recovery_complete(env, next);
 	RETURN(rc);
 }
@@ -314,16 +393,210 @@ static struct lu_device_operations ofd_lu_ops = {
 	.ldo_object_alloc	= ofd_object_alloc,
 	.ldo_process_config	= ofd_process_config,
 	.ldo_recovery_complete	= ofd_recovery_complete,
+	.ldo_prepare		= ofd_prepare,
 };
 
+static int ofd_procfs_init(struct ofd_device *ofd)
+{
+	struct lprocfs_static_vars	 lvars;
+	struct obd_device		*obd = ofd_obd(ofd);
+	cfs_proc_dir_entry_t		*entry;
+	int				 rc = 0;
+
+	ENTRY;
+
+	/* lprocfs must be setup before the ofd so state can be safely added
+	 * to /proc incrementally as the ofd is setup */
+	lprocfs_ofd_init_vars(&lvars);
+	rc = lprocfs_obd_setup(obd, lvars.obd_vars);
+	if (rc) {
+		CERROR("%s: lprocfs_obd_setup failed: %d.\n",
+		       obd->obd_name, rc);
+		RETURN(rc);
+	}
+
+	rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_LAST);
+	if (rc) {
+		CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
+		       obd->obd_name, rc);
+		GOTO(obd_cleanup, rc);
+	}
+
+	/* Init OFD private stats here */
+	lprocfs_counter_init(obd->obd_stats, LPROC_OFD_READ_BYTES,
+			     LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
+	lprocfs_counter_init(obd->obd_stats, LPROC_OFD_WRITE_BYTES,
+			     LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
+
+	entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
+	if (IS_ERR(entry)) {
+		rc = PTR_ERR(entry);
+		CERROR("%s: error %d setting up lprocfs for %s\n",
+		       obd->obd_name, rc, "exports");
+		GOTO(obd_cleanup, rc);
+	}
+	obd->obd_proc_exports_entry = entry;
+
+	entry = lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
+				   lprocfs_nid_stats_clear_read,
+				   lprocfs_nid_stats_clear_write, obd, NULL);
+	if (IS_ERR(entry)) {
+		rc = PTR_ERR(entry);
+		CERROR("%s: add proc entry 'clear' failed: %d.\n",
+		       obd->obd_name, rc);
+		GOTO(obd_cleanup, rc);
+	}
+
+	rc = lprocfs_job_stats_init(obd, LPROC_OFD_STATS_LAST,
+				    ofd_stats_counter_init);
+	if (rc)
+		GOTO(remove_entry_clear, rc);
+	RETURN(0);
+remove_entry_clear:
+	lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+obd_cleanup:
+	lprocfs_obd_cleanup(obd);
+	lprocfs_free_obd_stats(obd);
+
+	return rc;
+}
+
+static void ofd_procfs_add_brw_stats_symlink(struct ofd_device *ofd)
+{
+	struct obd_device	*obd = ofd_obd(ofd);
+	struct obd_device	*osd_obd = ofd->ofd_osd_exp->exp_obd;
+	cfs_proc_dir_entry_t	*osd_root = osd_obd->obd_type->typ_procroot;
+	cfs_proc_dir_entry_t	*osd_dir;
+
+	osd_dir = lprocfs_srch(osd_root, obd->obd_name);
+	if (osd_dir == NULL)
+		return;
+
+	if (lprocfs_srch(osd_dir, "brw_stats") != NULL)
+		lprocfs_add_symlink("brw_stats", obd->obd_proc_entry,
+				    "../../%s/%s/brw_stats",
+				    osd_root->name, osd_dir->name);
+
+	if (lprocfs_srch(osd_dir, "read_cache_enable") != NULL)
+		lprocfs_add_symlink("read_cache_enable", obd->obd_proc_entry,
+				    "../../%s/%s/read_cache_enable",
+				    osd_root->name, osd_dir->name);
+
+	if (lprocfs_srch(osd_dir, "readcache_max_filesize") != NULL)
+		lprocfs_add_symlink("readcache_max_filesize",
+				    obd->obd_proc_entry,
+				    "../../%s/%s/readcache_max_filesize",
+				    osd_root->name, osd_dir->name);
+
+	if (lprocfs_srch(osd_dir, "writethrough_cache_enable") != NULL)
+		lprocfs_add_symlink("writethrough_cache_enable",
+				    obd->obd_proc_entry,
+				    "../../%s/%s/writethrough_cache_enable",
+				    osd_root->name, osd_dir->name);
+}
+
+static void ofd_procfs_fini(struct ofd_device *ofd)
+{
+	struct obd_device *obd = ofd_obd(ofd);
+
+	lprocfs_remove_proc_entry("writethrough_cache_enable",
+				  obd->obd_proc_entry);
+	lprocfs_remove_proc_entry("readcache_max_filesize",
+				  obd->obd_proc_entry);
+	lprocfs_remove_proc_entry("read_cache_enable", obd->obd_proc_entry);
+	lprocfs_remove_proc_entry("brw_stats", obd->obd_proc_entry);
+	lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+	lprocfs_free_per_client_stats(obd);
+	lprocfs_obd_cleanup(obd);
+	lprocfs_free_obd_stats(obd);
+	lprocfs_job_stats_fini(obd);
+}
+
 extern int ost_handle(struct ptlrpc_request *req);
 
+int ofd_fid_fini(const struct lu_env *env, struct ofd_device *ofd)
+{
+	return seq_site_fini(env, &ofd->ofd_seq_site);
+}
+
+int ofd_fid_init(const struct lu_env *env, struct ofd_device *ofd)
+{
+	struct seq_server_site	*ss = &ofd->ofd_seq_site;
+	struct lu_device	*lu = &ofd->ofd_dt_dev.dd_lu_dev;
+	char			*obd_name = ofd_name(ofd);
+	char			*name = NULL;
+	int			rc = 0;
+
+	ss = &ofd->ofd_seq_site;
+	lu->ld_site->ld_seq_site = ss;
+	ss->ss_lu = lu->ld_site;
+	ss->ss_node_id = ofd->ofd_lut.lut_lsd.lsd_osd_index;
+
+	OBD_ALLOC_PTR(ss->ss_server_seq);
+	if (ss->ss_server_seq == NULL)
+		GOTO(out_free, rc = -ENOMEM);
+
+	OBD_ALLOC(name, strlen(obd_name) + 10);
+	if (!name) {
+		OBD_FREE_PTR(ss->ss_server_seq);
+		ss->ss_server_seq = NULL;
+		GOTO(out_free, rc = -ENOMEM);
+	}
+
+	rc = seq_server_init(ss->ss_server_seq, ofd->ofd_osd, obd_name,
+			     LUSTRE_SEQ_SERVER, ss, env);
+	if (rc) {
+		CERROR("%s : seq server init error %d\n", obd_name, rc);
+		GOTO(out_free, rc);
+	}
+	ss->ss_server_seq->lss_space.lsr_index = ss->ss_node_id;
+
+	OBD_ALLOC_PTR(ss->ss_client_seq);
+	if (ss->ss_client_seq == NULL)
+		GOTO(out_free, rc = -ENOMEM);
+
+	snprintf(name, strlen(obd_name) + 6, "%p-super", obd_name);
+	rc = seq_client_init(ss->ss_client_seq, NULL, LUSTRE_SEQ_DATA,
+			     name, NULL);
+	if (rc) {
+		CERROR("%s : seq client init error %d\n", obd_name, rc);
+		GOTO(out_free, rc);
+	}
+	OBD_FREE(name, strlen(obd_name) + 10);
+	name = NULL;
+
+	rc = seq_server_set_cli(ss->ss_server_seq, ss->ss_client_seq, env);
+
+out_free:
+	if (rc) {
+		if (ss->ss_server_seq) {
+			seq_server_fini(ss->ss_server_seq, env);
+			OBD_FREE_PTR(ss->ss_server_seq);
+			ss->ss_server_seq = NULL;
+		}
+
+		if (ss->ss_client_seq) {
+			seq_client_fini(ss->ss_client_seq);
+			OBD_FREE_PTR(ss->ss_client_seq);
+			ss->ss_client_seq = NULL;
+		}
+
+		if (name) {
+			OBD_FREE(name, strlen(obd_name) + 10);
+			name = NULL;
+		}
+	}
+
+	return rc;
+}
+
 static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
 		     struct lu_device_type *ldt, struct lustre_cfg *cfg)
 {
 	const char		*dev = lustre_cfg_string(cfg, 0);
 	struct ofd_thread_info	*info = NULL;
 	struct obd_device	*obd;
+	struct obd_statfs	*osfs;
 	int			 rc;
 
 	ENTRY;
@@ -340,13 +613,54 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
 
 	obd->u.obt.obt_magic = OBT_MAGIC;
 
+	m->ofd_fmd_max_num = OFD_FMD_MAX_NUM_DEFAULT;
+	m->ofd_fmd_max_age = OFD_FMD_MAX_AGE_DEFAULT;
+
+	spin_lock_init(&m->ofd_flags_lock);
+	m->ofd_raid_degraded = 0;
+	m->ofd_syncjournal = 0;
+	ofd_slc_set(m);
+	m->ofd_grant_compat_disable = 0;
+
+	/* statfs data */
+	spin_lock_init(&m->ofd_osfs_lock);
+	m->ofd_osfs_age = cfs_time_shift_64(-1000);
+	m->ofd_osfs_unstable = 0;
+	m->ofd_statfs_inflight = 0;
+	m->ofd_osfs_inflight = 0;
+
+	/* grant data */
+	spin_lock_init(&m->ofd_grant_lock);
+	m->ofd_tot_dirty = 0;
+	m->ofd_tot_granted = 0;
+	m->ofd_tot_pending = 0;
+	m->ofd_seq_count = 0;
+
+	spin_lock_init(&m->ofd_batch_lock);
+	rwlock_init(&obd->u.filter.fo_sptlrpc_lock);
+	sptlrpc_rule_set_init(&obd->u.filter.fo_sptlrpc_rset);
+
+	obd->u.filter.fo_fl_oss_capa = 0;
+	CFS_INIT_LIST_HEAD(&obd->u.filter.fo_capa_keys);
+	obd->u.filter.fo_capa_hash = init_capa_hash();
+	if (obd->u.filter.fo_capa_hash == NULL)
+		RETURN(-ENOMEM);
+
 	m->ofd_dt_dev.dd_lu_dev.ld_ops = &ofd_lu_ops;
 	m->ofd_dt_dev.dd_lu_dev.ld_obd = obd;
 	/* set this lu_device to obd, because error handling need it */
 	obd->obd_lu_dev = &m->ofd_dt_dev.dd_lu_dev;
 
+	rc = ofd_procfs_init(m);
+	if (rc) {
+		CERROR("Can't init ofd lprocfs, rc %d\n", rc);
+		RETURN(rc);
+	}
+
 	/* No connection accepted until configurations will finish */
+	spin_lock(&obd->obd_dev_lock);
 	obd->obd_no_conn = 1;
+	spin_unlock(&obd->obd_dev_lock);
 	obd->obd_replayable = 1;
 	if (cfg->lcfg_bufcount > 4 && LUSTRE_CFG_BUFLEN(cfg, 4) > 0) {
 		char *str = lustre_cfg_string(cfg, 4);
@@ -361,48 +675,77 @@ static int ofd_init0(const struct lu_env *env, struct ofd_device *m,
 	if (info == NULL)
 		RETURN(-EFAULT);
 
-	rc = lu_site_init(&m->ofd_site, &m->ofd_dt_dev.dd_lu_dev);
-	if (rc)
-		GOTO(err_out, rc);
-	m->ofd_site.ls_top_dev = &m->ofd_dt_dev.dd_lu_dev;
-
 	rc = ofd_stack_init(env, m, cfg);
 	if (rc) {
 		CERROR("Can't init device stack, rc %d\n", rc);
-		GOTO(err_lu_site, rc);
+		GOTO(err_fini_proc, rc);
 	}
 
-	dt_conf_get(env, m->ofd_osd, &m->ofd_dt_conf);
+	ofd_procfs_add_brw_stats_symlink(m);
 
-	rc = ofd_start(env, &m->ofd_dt_dev.dd_lu_dev);
-	if (rc)
+	/* populate cached statfs data */
+	osfs = &ofd_info(env)->fti_u.osfs;
+	rc = ofd_statfs_internal(env, m, osfs, 0, NULL);
+	if (rc != 0) {
+		CERROR("%s: can't get statfs data, rc %d\n", obd->obd_name, rc);
 		GOTO(err_fini_stack, rc);
+	}
+	if (!IS_PO2(osfs->os_bsize)) {
+		CERROR("%s: blocksize (%d) is not a power of 2\n",
+				obd->obd_name, osfs->os_bsize);
+		GOTO(err_fini_stack, rc = -EPROTO);
+	}
+	m->ofd_blockbits = fls(osfs->os_bsize) - 1;
+
+	m->ofd_precreate_batch = OFD_PRECREATE_BATCH_DEFAULT;
+	if (osfs->os_bsize * osfs->os_blocks < OFD_PRECREATE_SMALL_FS)
+		m->ofd_precreate_batch = OFD_PRECREATE_BATCH_SMALL;
+
+	snprintf(info->fti_u.name, sizeof(info->fti_u.name), "%s-%s",
+		 "filter"/*LUSTRE_OST_NAME*/, obd->obd_uuid.uuid);
+	m->ofd_namespace = ldlm_namespace_new(obd, info->fti_u.name,
+					      LDLM_NAMESPACE_SERVER,
+					      LDLM_NAMESPACE_GREEDY,
+					      LDLM_NS_TYPE_OST);
+	if (m->ofd_namespace == NULL)
+		GOTO(err_fini_stack, rc = -ENOMEM);
+	/* set obd_namespace for compatibility with old code */
+	obd->obd_namespace = m->ofd_namespace;
+	ldlm_register_intent(m->ofd_namespace, ofd_intent_policy);
+	m->ofd_namespace->ns_lvbo = &ofd_lvbo;
+	m->ofd_namespace->ns_lvbp = m;
+
+	ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
+			   "filter_ldlm_cb_client", &obd->obd_ldlm_client);
+
+	dt_conf_get(env, m->ofd_osd, &m->ofd_dt_conf);
+
+	/* Allow at most ddp_grant_reserved% of the available filesystem space
+	 * to be granted to clients, so that any errors in the grant overhead
+	 * calculations do not allow granting more space to clients than can be
+	 * written. Assumes that in aggregate the grant overhead calculations do
+	 * not have more than ddp_grant_reserved% estimation error in them. */
+	m->ofd_grant_ratio =
+		ofd_grant_ratio_conv(m->ofd_dt_conf.ddp_grant_reserved);
 
-	rc = lut_init(env, &m->ofd_lut, obd, m->ofd_osd);
+	rc = tgt_init(env, &m->ofd_lut, obd, m->ofd_osd);
 	if (rc)
-		GOTO(err_fini_stack, rc);
+		GOTO(err_free_ns, rc);
 
 	rc = ofd_fs_setup(env, m, obd);
 	if (rc)
 		GOTO(err_fini_lut, rc);
 
-	target_recovery_init(&m->ofd_lut, ost_handle);
-
-	rc = lu_site_init_finish(&m->ofd_site);
-	if (rc)
-		GOTO(err_fs_cleanup, rc);
-
 	RETURN(0);
-err_fs_cleanup:
-	target_recovery_fini(obd);
-	ofd_fs_cleanup(env, m);
 err_fini_lut:
-	lut_fini(env, &m->ofd_lut);
+	tgt_fini(env, &m->ofd_lut);
+err_free_ns:
+	ldlm_namespace_free(m->ofd_namespace, 0, obd->obd_force);
+	obd->obd_namespace = m->ofd_namespace = NULL;
 err_fini_stack:
 	ofd_stack_fini(env, m, &m->ofd_osd->dd_lu_dev);
-err_lu_site:
-	lu_site_fini(&m->ofd_site);
-err_out:
+err_fini_proc:
+	ofd_procfs_fini(m);
 	return rc;
 }
 
@@ -415,12 +758,22 @@ static void ofd_fini(const struct lu_env *env, struct ofd_device *m)
 	obd_exports_barrier(obd);
 	obd_zombie_barrier();
 
-	lut_fini(env, &m->ofd_lut);
+	tgt_fini(env, &m->ofd_lut);
 	ofd_fs_cleanup(env, m);
 
-	ofd_stack_fini(env, m, m->ofd_site.ls_top_dev);
-	lu_site_fini(&m->ofd_site);
+	ofd_free_capa_keys(m);
+	cleanup_capa_hash(obd->u.filter.fo_capa_hash);
+
+	if (m->ofd_namespace != NULL) {
+		ldlm_namespace_free(m->ofd_namespace, NULL,
+				    d->ld_obd->obd_force);
+		d->ld_obd->obd_namespace = m->ofd_namespace = NULL;
+	}
+
+	ofd_stack_fini(env, m, &m->ofd_dt_dev.dd_lu_dev);
+	ofd_procfs_fini(m);
 	LASSERT(cfs_atomic_read(&d->ld_ref) == 0);
+	server_put_mount(obd->obd_name, NULL);
 	EXIT;
 }
 
@@ -474,6 +827,17 @@ static void ofd_key_exit(const struct lu_context *ctx,
 	struct ofd_thread_info *info = data;
 
 	info->fti_env = NULL;
+	info->fti_exp = NULL;
+
+	info->fti_xid = 0;
+	info->fti_transno = 0;
+	info->fti_pre_version = 0;
+	info->fti_obj = NULL;
+	info->fti_has_trans = 0;
+	info->fti_mult_trans = 0;
+	info->fti_used = 0;
+
+	memset(&info->fti_attr, 0, sizeof info->fti_attr);
 }
 
 struct lu_context_key ofd_thread_key = {
@@ -514,6 +878,12 @@ int __init ofd_init(void)
 	if (rc)
 		return rc;
 
+	rc = ofd_fmd_init();
+	if (rc) {
+		lu_kmem_fini(ofd_caches);
+		return(rc);
+	}
+
 	lprocfs_ofd_init_vars(&lvars);
 
 	rc = class_register_type(&ofd_obd_ops, NULL, lvars.module_vars,
@@ -523,8 +893,9 @@ int __init ofd_init(void)
 
 void __exit ofd_exit(void)
 {
-	class_unregister_type(LUSTRE_OST_NAME);
+	ofd_fmd_exit();
 	lu_kmem_fini(ofd_caches);
+	class_unregister_type(LUSTRE_OST_NAME);
 }
 
 MODULE_AUTHOR("Whamcloud, Inc. <http://www.whamcloud.com/>");