* 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/
{
int count;
- spin_lock(&ofd->ofd_objid_lock);
+ spin_lock(&ofd->ofd_batch_lock);
count = min(ofd->ofd_precreate_batch, batch);
- spin_unlock(&ofd->ofd_objid_lock);
+ spin_unlock(&ofd->ofd_batch_lock);
return count;
}
-obd_id ofd_last_id(struct ofd_device *ofd, obd_seq group)
+struct ofd_seq *ofd_seq_get(struct ofd_device *ofd, obd_seq seq)
{
- obd_id id;
+ struct ofd_seq *oseq;
+
+ read_lock(&ofd->ofd_seq_list_lock);
+ cfs_list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
+ if (ostid_seq(&oseq->os_oi) == seq) {
+ cfs_atomic_inc(&oseq->os_refc);
+ read_unlock(&ofd->ofd_seq_list_lock);
+ return oseq;
+ }
+ }
+ read_unlock(&ofd->ofd_seq_list_lock);
+ return NULL;
+}
- LASSERT(group <= ofd->ofd_max_group);
+static void ofd_seq_destroy(const struct lu_env *env,
+ struct ofd_seq *oseq)
+{
+ LASSERT(cfs_list_empty(&oseq->os_list));
+ LASSERT(oseq->os_lastid_obj != NULL);
+ lu_object_put(env, &oseq->os_lastid_obj->do_lu);
+ OBD_FREE_PTR(oseq);
+}
- spin_lock(&ofd->ofd_objid_lock);
- id = ofd->ofd_last_objids[group];
- spin_unlock(&ofd->ofd_objid_lock);
+void ofd_seq_put(const struct lu_env *env, struct ofd_seq *oseq)
+{
+ if (cfs_atomic_dec_and_test(&oseq->os_refc))
+ ofd_seq_destroy(env, oseq);
+}
+
+static void ofd_seq_delete(const struct lu_env *env, struct ofd_seq *oseq)
+{
+ cfs_list_del_init(&oseq->os_list);
+ ofd_seq_put(env, oseq);
+}
+
+/**
+ * Add a new sequence to the OFD device.
+ *
+ * \param ofd OFD device
+ * \param new_seq new sequence to be added
+ *
+ * \retval the seq to be added or the existing seq
+ **/
+static struct ofd_seq *ofd_seq_add(const struct lu_env *env,
+ struct ofd_device *ofd,
+ struct ofd_seq *new_seq)
+{
+ struct ofd_seq *os = NULL;
+
+ write_lock(&ofd->ofd_seq_list_lock);
+ cfs_list_for_each_entry(os, &ofd->ofd_seq_list, os_list) {
+ if (ostid_seq(&os->os_oi) == ostid_seq(&new_seq->os_oi)) {
+ cfs_atomic_inc(&os->os_refc);
+ write_unlock(&ofd->ofd_seq_list_lock);
+ /* The seq has not been added to the list */
+ ofd_seq_put(env, new_seq);
+ return os;
+ }
+ }
+ cfs_atomic_inc(&new_seq->os_refc);
+ cfs_list_add_tail(&new_seq->os_list, &ofd->ofd_seq_list);
+ ofd->ofd_seq_count++;
+ write_unlock(&ofd->ofd_seq_list_lock);
+ return new_seq;
+}
+
+obd_id ofd_seq_last_oid(struct ofd_seq *oseq)
+{
+ obd_id id;
+
+ spin_lock(&oseq->os_last_oid_lock);
+ id = ostid_id(&oseq->os_oi);
+ spin_unlock(&oseq->os_last_oid_lock);
return id;
}
-void ofd_last_id_set(struct ofd_device *ofd, obd_id id, obd_seq group)
+void ofd_seq_last_oid_set(struct ofd_seq *oseq, obd_id id)
{
- LASSERT(group <= ofd->ofd_max_group);
- spin_lock(&ofd->ofd_objid_lock);
- if (ofd->ofd_last_objids[group] < id)
- ofd->ofd_last_objids[group] = id;
- spin_unlock(&ofd->ofd_objid_lock);
+ spin_lock(&oseq->os_last_oid_lock);
+ if (likely(ostid_id(&oseq->os_oi) < id))
+ ostid_set_id(&oseq->os_oi, id);
+ spin_unlock(&oseq->os_last_oid_lock);
}
-int ofd_last_id_write(const struct lu_env *env, struct ofd_device *ofd,
- obd_seq group)
+int ofd_seq_last_oid_write(const struct lu_env *env, struct ofd_device *ofd,
+ struct ofd_seq *oseq)
{
struct ofd_thread_info *info = ofd_info(env);
obd_id tmp;
ENTRY;
+ tmp = cpu_to_le64(ofd_seq_last_oid(oseq));
+
info->fti_buf.lb_buf = &tmp;
info->fti_buf.lb_len = sizeof(tmp);
info->fti_off = 0;
- CDEBUG(D_INODE, "%s: write last_objid for group "LPU64": "LPU64"\n",
- ofd_obd(ofd)->obd_name, group, ofd_last_id(ofd, group));
+ rc = ofd_record_write(env, ofd, oseq->os_lastid_obj, &info->fti_buf,
+ &info->fti_off);
- tmp = cpu_to_le64(ofd_last_id(ofd, group));
+ CDEBUG(D_INODE, "%s: write last_objid "DOSTID": rc = %d\n",
+ ofd_name(ofd), POSTID(&oseq->os_oi), rc);
- rc = ofd_record_write(env, ofd, ofd->ofd_lastid_obj[group],
- &info->fti_buf, &info->fti_off);
RETURN(rc);
}
-int ofd_last_group_write(const struct lu_env *env, struct ofd_device *ofd)
+static void ofd_deregister_seq_exp(struct ofd_device *ofd)
{
- struct ofd_thread_info *info = ofd_info(env);
- obd_seq tmp;
- int rc;
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
- ENTRY;
+ if (ss->ss_client_seq != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ }
- info->fti_buf.lb_buf = &tmp;
- info->fti_buf.lb_len = sizeof(tmp);
- info->fti_off = 0;
+ if (ss->ss_server_fld != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_server_fld->lsf_control_exp);
+ ss->ss_server_fld->lsf_control_exp = NULL;
+ }
+}
- tmp = cpu_to_le32(ofd->ofd_max_group);
+static int ofd_fld_fini(const struct lu_env *env,
+ struct ofd_device *ofd)
+{
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
+ ENTRY;
- rc = ofd_record_write(env, ofd, ofd->ofd_last_group_file,
- &info->fti_buf, &info->fti_off);
+ if (ss && ss->ss_server_fld) {
+ fld_server_fini(env, ss->ss_server_fld);
+ OBD_FREE_PTR(ss->ss_server_fld);
+ ss->ss_server_fld = NULL;
+ }
- RETURN(rc);
+ RETURN(0);
}
-void ofd_group_fini(const struct lu_env *env, struct ofd_device *ofd,
- int group)
+void ofd_seqs_fini(const struct lu_env *env, struct ofd_device *ofd)
{
- LASSERT(ofd->ofd_lastid_obj[group]);
- lu_object_put(env, &ofd->ofd_lastid_obj[group]->do_lu);
- ofd->ofd_lastid_obj[group] = NULL;
+ struct ofd_seq *oseq;
+ struct ofd_seq *tmp;
+ cfs_list_t dispose;
+ int rc;
+
+ ofd_deregister_seq_exp(ofd);
+
+ rc = ofd_fid_fini(env, ofd);
+ if (rc != 0)
+ CERROR("%s: fid fini error: rc = %d\n", ofd_name(ofd), rc);
+
+ rc = ofd_fld_fini(env, ofd);
+ if (rc != 0)
+ CERROR("%s: fld fini error: rc = %d\n", ofd_name(ofd), rc);
+
+ CFS_INIT_LIST_HEAD(&dispose);
+ write_lock(&ofd->ofd_seq_list_lock);
+ cfs_list_for_each_entry_safe(oseq, tmp, &ofd->ofd_seq_list, os_list) {
+ cfs_list_move(&oseq->os_list, &dispose);
+ }
+ write_unlock(&ofd->ofd_seq_list_lock);
+
+ while (!cfs_list_empty(&dispose)) {
+ oseq = container_of0(dispose.next, struct ofd_seq, os_list);
+ ofd_seq_delete(env, oseq);
+ }
+
+ LASSERT(cfs_list_empty(&ofd->ofd_seq_list));
+ return;
}
-int ofd_group_load(const struct lu_env *env, struct ofd_device *ofd, int group)
+/**
+ *
+ * \retval the seq with seq number or errno (never NULL)
+ */
+struct ofd_seq *ofd_seq_load(const struct lu_env *env, struct ofd_device *ofd,
+ obd_seq seq)
{
struct ofd_thread_info *info = ofd_info(env);
+ struct ofd_seq *oseq = NULL;
struct dt_object *dob;
obd_id lastid;
int rc;
ENTRY;
- /* if group is already initialized */
- if (ofd->ofd_lastid_obj[group])
- RETURN(0);
+ /* if seq is already initialized */
+ oseq = ofd_seq_get(ofd, seq);
+ if (oseq != NULL)
+ RETURN(oseq);
- lu_local_obj_fid(&info->fti_fid, OFD_GROUP0_LAST_OID + group);
+ OBD_ALLOC_PTR(oseq);
+ if (oseq == NULL)
+ RETURN(ERR_PTR(-ENOMEM));
+
+ lu_last_id_fid(&info->fti_fid, seq, ofd->ofd_lut.lut_lsd.lsd_osd_index);
memset(&info->fti_attr, 0, sizeof(info->fti_attr));
info->fti_attr.la_valid = LA_MODE;
info->fti_attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
- /* create object tracking per-group last created
+ /* create object tracking per-seq last created
* id to be used by orphan recovery mechanism */
dob = dt_find_or_create(env, ofd->ofd_osd, &info->fti_fid,
&info->fti_dof, &info->fti_attr);
- if (IS_ERR(dob))
- RETURN(PTR_ERR(dob));
+ if (IS_ERR(dob)) {
+ OBD_FREE_PTR(oseq);
+ RETURN((void *)dob);
+ }
- ofd->ofd_lastid_obj[group] = dob;
- mutex_init(&ofd->ofd_create_locks[group]);
+ oseq->os_lastid_obj = dob;
+
+ CFS_INIT_LIST_HEAD(&oseq->os_list);
+ mutex_init(&oseq->os_create_lock);
+ spin_lock_init(&oseq->os_last_oid_lock);
+ ostid_set_seq(&oseq->os_oi, seq);
+
+ cfs_atomic_set(&oseq->os_refc, 1);
rc = dt_attr_get(env, dob, &info->fti_attr, BYPASS_CAPA);
if (rc)
if (info->fti_attr.la_size == 0) {
/* object is just created, initialize last id */
- ofd->ofd_last_objids[group] = OFD_INIT_OBJID;
- ofd_last_id_set(ofd, OFD_INIT_OBJID, group);
- ofd_last_id_write(env, ofd, group);
- ofd_last_group_write(env, ofd);
+ ofd_seq_last_oid_set(oseq, OFD_INIT_OBJID);
+ ofd_seq_last_oid_write(env, ofd, oseq);
} else if (info->fti_attr.la_size == sizeof(lastid)) {
info->fti_off = 0;
info->fti_buf.lb_buf = &lastid;
rc = dt_record_read(env, dob, &info->fti_buf, &info->fti_off);
if (rc) {
- CERROR("can't read last_id: %d\n", rc);
+ CERROR("%s: can't read last_id: rc = %d\n",
+ ofd_name(ofd), rc);
GOTO(cleanup, rc);
}
- ofd->ofd_last_objids[group] = le64_to_cpu(lastid);
+ ofd_seq_last_oid_set(oseq, le64_to_cpu(lastid));
} else {
- CERROR("corrupted size %Lu LAST_ID of group %u\n",
- (unsigned long long)info->fti_attr.la_size, group);
- rc = -EINVAL;
+ CERROR("%s: corrupted size "LPU64" LAST_ID of seq "LPX64"\n",
+ ofd_name(ofd), (__u64)info->fti_attr.la_size, seq);
+ GOTO(cleanup, rc = -EINVAL);
}
- RETURN(0);
+ oseq = ofd_seq_add(env, ofd, oseq);
+ RETURN((oseq != NULL) ? oseq : ERR_PTR(-ENOENT));
cleanup:
- ofd_group_fini(env, ofd, group);
- RETURN(rc);
+ ofd_seq_put(env, oseq);
+ return ERR_PTR(rc);
}
-/* ofd groups managements */
-int ofd_groups_init(const struct lu_env *env, struct ofd_device *ofd)
+static int ofd_fld_init(const struct lu_env *env, const char *uuid,
+ struct ofd_device *ofd)
{
- struct ofd_thread_info *info = ofd_info(env);
- unsigned long groups_size;
- obd_seq last_group;
- int rc = 0;
- int i;
-
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
+ int rc;
ENTRY;
- spin_lock_init(&ofd->ofd_objid_lock);
-
- rc = dt_attr_get(env, ofd->ofd_last_group_file,
- &info->fti_attr, BYPASS_CAPA);
- if (rc)
- GOTO(cleanup, rc);
+ OBD_ALLOC_PTR(ss->ss_server_fld);
+ if (ss->ss_server_fld == NULL)
+ RETURN(rc = -ENOMEM);
- ofd->ofd_precreate_batch = OFD_PRECREATE_BATCH_DEFAULT;
- groups_size = (unsigned long)info->fti_attr.la_size;
+ rc = fld_server_init(env, ss->ss_server_fld, ofd->ofd_osd, uuid,
+ LU_SEQ_RANGE_OST);
+ if (rc) {
+ OBD_FREE_PTR(ss->ss_server_fld);
+ ss->ss_server_fld = NULL;
+ RETURN(rc);
+ }
+ RETURN(0);
+}
- if (groups_size == sizeof(last_group)) {
- info->fti_off = 0;
- info->fti_buf.lb_buf = &last_group;
- info->fti_buf.lb_len = sizeof(last_group);
+/**
+ * It will retrieve its FLDB entries from MDT0, and it only happens
+ * when upgrading existent FS to 2.6.
+ **/
+static int ofd_register_lwp_callback(void *data)
+{
+ struct lu_env env;
+ struct ofd_device *ofd = data;
+ struct lu_server_fld *fld = ofd->ofd_seq_site.ss_server_fld;
+ int rc;
+ ENTRY;
- rc = dt_record_read(env, ofd->ofd_last_group_file,
- &info->fti_buf, &info->fti_off);
- if (rc) {
- CERROR("can't read LAST_GROUP: %d\n", rc);
- GOTO(cleanup, rc);
- }
+ if (!likely(fld->lsf_new))
+ RETURN(0);
- ofd->ofd_max_group = le32_to_cpu(last_group);
- LASSERT(ofd->ofd_max_group <= OFD_MAX_GROUPS);
- } else if (groups_size == 0) {
- ofd->ofd_max_group = 0;
- } else {
- CERROR("groups file is corrupted? size = %lu\n", groups_size);
- GOTO(cleanup, rc = -EIO);
+ rc = lu_env_init(&env, LCT_DT_THREAD);
+ if (rc) {
+ CERROR("%s: cannot init env: rc = %d\n", ofd_name(ofd), rc);
+ RETURN(rc);
}
- for (i = 0; i <= ofd->ofd_max_group; i++) {
- rc = ofd_group_load(env, ofd, i);
- if (rc) {
- CERROR("can't load group %d: %d\n", i, rc);
- /* Clean all previously set groups */
- while (i > 0)
- ofd_group_fini(env, ofd, --i);
- GOTO(cleanup, rc);
- }
+ rc = fld_update_from_controller(&env, fld);
+ if (rc != 0) {
+ CERROR("%s: cannot update controller: rc = %d\n",
+ ofd_name(ofd), rc);
+ GOTO(out, rc);
}
-
- CDEBUG(D_OTHER, "%s: %u groups initialized\n",
- ofd_obd(ofd)->obd_name, ofd->ofd_max_group + 1);
-cleanup:
+out:
+ lu_env_fini(&env);
RETURN(rc);
}
-int ofd_clients_data_init(const struct lu_env *env, struct ofd_device *ofd,
- unsigned long fsize)
+static int ofd_register_seq_exp(struct ofd_device *ofd)
{
- struct obd_device *obd = ofd_obd(ofd);
- struct lr_server_data *lsd = &ofd->ofd_lut.lut_lsd;
- struct lsd_client_data *lcd = NULL;
- struct filter_export_data *fed;
- int cl_idx;
- int rc = 0;
- loff_t off = lsd->lsd_client_start;
-
- CLASSERT(offsetof(struct lsd_client_data, lcd_padding) +
- sizeof(lcd->lcd_padding) == LR_CLIENT_SIZE);
-
- OBD_ALLOC_PTR(lcd);
- if (lcd == NULL)
- RETURN(-ENOMEM);
-
- for (cl_idx = 0; off < fsize; cl_idx++) {
- struct obd_export *exp;
- __u64 last_rcvd;
-
- /* Don't assume off is incremented properly by
- * fsfilt_read_record(), in case sizeof(*lcd)
- * isn't the same as fsd->lsd_client_size. */
- off = lsd->lsd_client_start + cl_idx * lsd->lsd_client_size;
- rc = tgt_client_data_read(env, &ofd->ofd_lut, lcd, &off, cl_idx);
- if (rc) {
- CERROR("error reading FILT %s idx %d off %llu: rc %d\n",
- LAST_RCVD, cl_idx, off, rc);
- rc = 0;
- break; /* read error shouldn't cause startup to fail */
- }
-
- if (lcd->lcd_uuid[0] == '\0') {
- CDEBUG(D_INFO, "skipping zeroed client at offset %d\n",
- cl_idx);
- continue;
- }
-
- last_rcvd = lcd->lcd_last_transno;
-
- /* These exports are cleaned up by ofd_disconnect(), so they
- * need to be set up like real exports as ofd_connect() does.
- */
- exp = class_new_export(obd, (struct obd_uuid *)lcd->lcd_uuid);
-
- CDEBUG(D_HA, "RCVRNG CLIENT uuid: %s idx: %d lr: "LPU64
- " srv lr: "LPU64"\n", lcd->lcd_uuid, cl_idx,
- last_rcvd, lsd->lsd_last_transno);
-
- if (IS_ERR(exp)) {
- if (PTR_ERR(exp) == -EALREADY) {
- /* export already exists, zero out this one */
- CERROR("Duplicate export %s!\n", lcd->lcd_uuid);
- continue;
- }
- GOTO(err_out, rc = PTR_ERR(exp));
- }
-
- fed = &exp->exp_filter_data;
- *fed->fed_ted.ted_lcd = *lcd;
-
- rc = tgt_client_add(env, exp, cl_idx);
- LASSERTF(rc == 0, "rc = %d\n", rc); /* can't fail existing */
- /* VBR: set export last committed version */
- exp->exp_last_committed = last_rcvd;
- spin_lock(&exp->exp_lock);
- exp->exp_connecting = 0;
- exp->exp_in_recovery = 0;
- spin_unlock(&exp->exp_lock);
- obd->obd_max_recoverable_clients++;
- class_export_put(exp);
-
- /* Need to check last_rcvd even for duplicated exports. */
- CDEBUG(D_OTHER, "client at idx %d has last_rcvd = "LPU64"\n",
- cl_idx, last_rcvd);
-
- spin_lock(&ofd->ofd_lut.lut_translock);
- if (last_rcvd > lsd->lsd_last_transno)
- lsd->lsd_last_transno = last_rcvd;
- spin_unlock(&ofd->ofd_lut.lut_translock);
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
+ char *lwp_name = NULL;
+ int rc;
+
+ OBD_ALLOC(lwp_name, MAX_OBD_NAME);
+ if (lwp_name == NULL)
+ GOTO(out_free, rc = -ENOMEM);
+
+ rc = tgt_name2lwpname(ofd_name(ofd), lwp_name);
+ if (rc != 0)
+ GOTO(out_free, rc);
+
+ rc = lustre_register_lwp_item(lwp_name, &ss->ss_client_seq->lcs_exp,
+ NULL, NULL);
+ if (rc != 0)
+ GOTO(out_free, rc);
+
+ rc = lustre_register_lwp_item(lwp_name,
+ &ss->ss_server_fld->lsf_control_exp,
+ ofd_register_lwp_callback, ofd);
+ if (rc != 0) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ GOTO(out_free, rc);
}
+out_free:
+ if (lwp_name != NULL)
+ OBD_FREE(lwp_name, MAX_OBD_NAME);
-err_out:
- OBD_FREE_PTR(lcd);
- RETURN(rc);
+ return rc;
}
-int ofd_server_data_init(const struct lu_env *env, struct ofd_device *ofd)
+/* object sequence management */
+int ofd_seqs_init(const struct lu_env *env, struct ofd_device *ofd)
{
- struct ofd_thread_info *info = ofd_info(env);
- struct lr_server_data *lsd = &ofd->ofd_lut.lut_lsd;
- struct obd_device *obd = ofd_obd(ofd);
- unsigned long last_rcvd_size;
- int rc;
-
- rc = dt_attr_get(env, ofd->ofd_lut.lut_last_rcvd, &info->fti_attr,
- BYPASS_CAPA);
- if (rc)
- RETURN(rc);
-
- last_rcvd_size = (unsigned long)info->fti_attr.la_size;
-
- /* ensure padding in the struct is the correct size */
- CLASSERT (offsetof(struct lr_server_data, lsd_padding) +
- sizeof(lsd->lsd_padding) == LR_SERVER_SIZE);
+ int rc;
- if (last_rcvd_size == 0) {
- LCONSOLE_WARN("%s: new disk, initializing\n", obd->obd_name);
-
- memcpy(lsd->lsd_uuid, obd->obd_uuid.uuid,
- sizeof(lsd->lsd_uuid));
- lsd->lsd_last_transno = 0;
- lsd->lsd_mount_count = 0;
- lsd->lsd_server_size = LR_SERVER_SIZE;
- lsd->lsd_client_start = LR_CLIENT_START;
- lsd->lsd_client_size = LR_CLIENT_SIZE;
- lsd->lsd_subdir_count = FILTER_SUBDIR_COUNT;
- lsd->lsd_feature_incompat = OBD_INCOMPAT_OST;
- } else {
- rc = tgt_server_data_read(env, &ofd->ofd_lut);
- if (rc) {
- CDEBUG(D_INODE,"OBD ofd: error reading %s: rc %d\n",
- LAST_RCVD, rc);
- GOTO(err_fsd, rc);
- }
- if (strcmp((char *)lsd->lsd_uuid,
- (char *)obd->obd_uuid.uuid)) {
- LCONSOLE_ERROR("Trying to start OBD %s using the wrong"
- " disk %s. Were the /dev/ assignments "
- "rearranged?\n",
- obd->obd_uuid.uuid, lsd->lsd_uuid);
- GOTO(err_fsd, rc = -EINVAL);
- }
+ rc = ofd_fid_init(env, ofd);
+ if (rc != 0) {
+ CERROR("%s: fid init error: rc = %d\n", ofd_name(ofd), rc);
+ return rc;
}
- lsd->lsd_mount_count++;
- obd->u.obt.obt_mount_count = lsd->lsd_mount_count;
- obd->u.obt.obt_instance = (__u32)obd->u.obt.obt_mount_count;
- ofd->ofd_subdir_count = lsd->lsd_subdir_count;
-
- if (lsd->lsd_feature_incompat & ~OFD_INCOMPAT_SUPP) {
- CERROR("%s: unsupported incompat filesystem feature(s) %x\n",
- obd->obd_name,
- lsd->lsd_feature_incompat & ~OFD_INCOMPAT_SUPP);
- GOTO(err_fsd, rc = -EINVAL);
- }
- if (lsd->lsd_feature_rocompat & ~OFD_ROCOMPAT_SUPP) {
- CERROR("%s: unsupported read-only filesystem feature(s) %x\n",
- obd->obd_name,
- lsd->lsd_feature_rocompat & ~OFD_ROCOMPAT_SUPP);
- /* Do something like remount filesystem read-only */
- GOTO(err_fsd, rc = -EINVAL);
+ rc = ofd_fld_init(env, ofd_name(ofd), ofd);
+ if (rc) {
+ CERROR("%s: Can't init fld, rc %d\n", ofd_name(ofd), rc);
+ return rc;
}
- CDEBUG(D_INODE, "%s: server last_transno : "LPU64"\n",
- obd->obd_name, lsd->lsd_last_transno);
- CDEBUG(D_INODE, "%s: server mount_count: "LPU64"\n",
- obd->obd_name, lsd->lsd_mount_count);
- CDEBUG(D_INODE, "%s: server data size: %u\n",
- obd->obd_name, lsd->lsd_server_size);
- CDEBUG(D_INODE, "%s: per-client data start: %u\n",
- obd->obd_name, lsd->lsd_client_start);
- CDEBUG(D_INODE, "%s: per-client data size: %u\n",
- obd->obd_name, lsd->lsd_client_size);
- CDEBUG(D_INODE, "%s: server subdir_count: %u\n",
- obd->obd_name, lsd->lsd_subdir_count);
- CDEBUG(D_INODE, "%s: last_rcvd clients: %lu\n", obd->obd_name,
- last_rcvd_size <= lsd->lsd_client_start ? 0 :
- (last_rcvd_size - lsd->lsd_client_start) /
- lsd->lsd_client_size);
-
- if (!obd->obd_replayable)
- CWARN("%s: recovery support OFF\n", obd->obd_name);
-
- rc = ofd_clients_data_init(env, ofd, last_rcvd_size);
-
- spin_lock(&ofd->ofd_lut.lut_translock);
- obd->obd_last_committed = lsd->lsd_last_transno;
- ofd->ofd_lut.lut_last_transno = lsd->lsd_last_transno;
- spin_unlock(&ofd->ofd_lut.lut_translock);
-
- /* save it, so mount count and last_transno is current */
- rc = tgt_server_data_update(env, &ofd->ofd_lut, 0);
- if (rc)
- GOTO(err_fsd, rc);
-
- RETURN(0);
+ rc = ofd_register_seq_exp(ofd);
+ if (rc) {
+ CERROR("%s: Can't init seq exp, rc %d\n", ofd_name(ofd), rc);
+ return rc;
+ }
-err_fsd:
- class_disconnect_exports(obd);
- RETURN(rc);
+ rwlock_init(&ofd->ofd_seq_list_lock);
+ CFS_INIT_LIST_HEAD(&ofd->ofd_seq_list);
+ ofd->ofd_seq_count = 0;
+ return rc;
}
int ofd_fs_setup(const struct lu_env *env, struct ofd_device *ofd,
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_FS_SETUP))
RETURN (-ENOENT);
- /* prepare transactions callbacks */
- ofd->ofd_txn_cb.dtc_txn_start = NULL;
- ofd->ofd_txn_cb.dtc_txn_stop = ofd_txn_stop_cb;
- ofd->ofd_txn_cb.dtc_txn_commit = NULL;
- ofd->ofd_txn_cb.dtc_cookie = ofd;
- ofd->ofd_txn_cb.dtc_tag = LCT_DT_THREAD;
- CFS_INIT_LIST_HEAD(&ofd->ofd_txn_cb.dtc_linkage);
-
- dt_txn_callback_add(ofd->ofd_osd, &ofd->ofd_txn_cb);
-
- rc = ofd_server_data_init(env, ofd);
- if (rc)
- GOTO(out, rc);
-
lu_local_obj_fid(&info->fti_fid, OFD_HEALTH_CHECK_OID);
memset(&info->fti_attr, 0, sizeof(info->fti_attr));
info->fti_attr.la_valid = LA_MODE;
ofd->ofd_health_check_file = fo;
- lu_local_obj_fid(&info->fti_fid, OFD_LAST_GROUP_OID);
- memset(&info->fti_attr, 0, sizeof(info->fti_attr));
- info->fti_attr.la_valid = LA_MODE;
- info->fti_attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
- info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
-
- fo = dt_find_or_create(env, ofd->ofd_osd, &info->fti_fid,
- &info->fti_dof, &info->fti_attr);
- if (IS_ERR(fo))
- GOTO(out_hc, rc = PTR_ERR(fo));
-
- ofd->ofd_last_group_file = fo;
-
- rc = ofd_groups_init(env, ofd);
+ rc = ofd_seqs_init(env, ofd);
if (rc)
- GOTO(out_lg, rc);
+ GOTO(out_hc, rc);
RETURN(0);
-out_lg:
- lu_object_put(env, &ofd->ofd_last_group_file->do_lu);
out_hc:
lu_object_put(env, &ofd->ofd_health_check_file->do_lu);
out:
- dt_txn_callback_del(ofd->ofd_osd, &ofd->ofd_txn_cb);
return rc;
}
ofd_info_init(env, NULL);
- for (i = 0; i <= ofd->ofd_max_group; i++) {
- if (ofd->ofd_lastid_obj[i]) {
- ofd_last_id_write(env, ofd, i);
- ofd_group_fini(env, ofd, i);
- }
- }
+ ofd_seqs_fini(env, ofd);
i = dt_sync(env, ofd->ofd_osd);
if (i)
CERROR("can't sync: %d\n", i);
- /* Remove transaction callback */
- dt_txn_callback_del(ofd->ofd_osd, &ofd->ofd_txn_cb);
-
- if (ofd->ofd_last_group_file) {
- lu_object_put(env, &ofd->ofd_last_group_file->do_lu);
- ofd->ofd_last_group_file = NULL;
- }
-
if (ofd->ofd_health_check_file) {
lu_object_put(env, &ofd->ofd_health_check_file->do_lu);
ofd->ofd_health_check_file = NULL;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff