int tgt_init(const struct lu_env *env, struct lu_target *lut,
struct obd_device *obd, struct dt_device *dt)
{
struct dt_object_format dof;
struct lu_attr attr;
struct lu_fid fid;
struct dt_object *o;
int rc = 0;
ENTRY;
LASSERT(lut);
LASSERT(obd);
lut->lut_obd = obd;
lut->lut_bottom = dt;
lut->lut_last_rcvd = NULL;
obd->u.obt.obt_lut = lut;
obd->u.obt.obt_magic = OBT_MAGIC;
spin_lock_init(&lut->lut_translock);
OBD_ALLOC(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
if (lut->lut_client_bitmap == NULL)
RETURN(-ENOMEM);
memset(&attr, 0, sizeof(attr));
attr.la_valid = LA_MODE;
attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
dof.dof_type = dt_mode_to_dft(S_IFREG);
lu_local_obj_fid(&fid, LAST_RECV_OID);
o = dt_find_or_create(env, lut->lut_bottom, &fid, &dof, &attr);
if (!IS_ERR(o)) {
lut->lut_last_rcvd = o;
} else {
OBD_FREE(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
lut->lut_client_bitmap = NULL;
rc = PTR_ERR(o);
CERROR("cannot open %s: rc = %d\n", LAST_RCVD, rc);
}
RETURN(rc);
}
struct ofd_object *ofd_object_find_or_create(const struct lu_env *env,
struct ofd_device *ofd,
const struct lu_fid *fid,
struct lu_attr *attr)
{
struct ofd_thread_info *info = ofd_info(env);
struct lu_object *fo_obj;
struct dt_object *dto;
ENTRY;
info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
dto = dt_find_or_create(env, ofd->ofd_osd, fid, &info->fti_dof, attr);
if (IS_ERR(dto))
RETURN(ERR_CAST(dto));
fo_obj = lu_object_locate(dto->do_lu.lo_header,
ofd->ofd_dt_dev.dd_lu_dev.ld_type);
RETURN(ofd_obj(fo_obj));
}
int fld_index_init(const struct lu_env *env, struct lu_server_fld *fld,
struct dt_device *dt)
{
struct dt_object *dt_obj = NULL;
struct lu_fid fid;
struct lu_attr *attr = NULL;
struct lu_seq_range *range = NULL;
struct fld_thread_info *info;
struct dt_object_format dof;
struct dt_it *it;
const struct dt_it_ops *iops;
int rc;
ENTRY;
info = lu_context_key_get(&env->le_ctx, &fld_thread_key);
LASSERT(info != NULL);
lu_local_obj_fid(&fid, FLD_INDEX_OID);
OBD_ALLOC_PTR(attr);
if (attr == NULL)
RETURN(-ENOMEM);
memset(attr, 0, sizeof(attr));
attr->la_valid = LA_MODE;
attr->la_mode = S_IFREG | 0666;
dof.dof_type = DFT_INDEX;
dof.u.dof_idx.di_feat = &fld_index_features;
dt_obj = dt_find_or_create(env, dt, &fid, &dof, attr);
if (IS_ERR(dt_obj)) {
rc = PTR_ERR(dt_obj);
CERROR("%s: Can't find \"%s\" obj %d\n", fld->lsf_name,
fld_index_name, rc);
dt_obj = NULL;
GOTO(out, rc);
}
fld->lsf_obj = dt_obj;
rc = dt_obj->do_ops->do_index_try(env, dt_obj, &fld_index_features);
if (rc != 0) {
CERROR("%s: File \"%s\" is not an index: rc = %d!\n",
fld->lsf_name, fld_index_name, rc);
GOTO(out, rc);
}
range = &info->fti_rec;
/* Load fld entry to cache */
iops = &dt_obj->do_index_ops->dio_it;
it = iops->init(env, dt_obj, 0, NULL);
if (IS_ERR(it))
GOTO(out, rc = PTR_ERR(it));
rc = iops->load(env, it, 0);
if (rc < 0)
GOTO(out_it_fini, rc);
if (rc > 0) {
/* Load FLD entry into server cache */
do {
rc = iops->rec(env, it, (struct dt_rec *)range, 0);
if (rc != 0)
GOTO(out_it_put, rc);
LASSERT(range != NULL);
range_be_to_cpu(range, range);
rc = fld_cache_insert(fld->lsf_cache, range);
if (rc != 0)
GOTO(out_it_put, rc);
rc = iops->next(env, it);
} while (rc == 0);
}
/* Note: fld_insert_entry will detect whether these
* special entries already exist inside FLDB */
mutex_lock(&fld->lsf_lock);
rc = fld_insert_special_entries(env, fld);
mutex_unlock(&fld->lsf_lock);
if (rc != 0) {
CERROR("%s: insert special entries failed!: rc = %d\n",
fld->lsf_name, rc);
GOTO(out_it_put, rc);
}
out_it_put:
iops->put(env, it);
out_it_fini:
iops->fini(env, it);
out:
if (attr != NULL)
OBD_FREE_PTR(attr);
if (rc != 0) {
if (dt_obj != NULL)
lu_object_put(env, &dt_obj->do_lu);
fld->lsf_obj = NULL;
}
RETURN(rc);
}
int tgt_init(const struct lu_env *env, struct lu_target *lut,
struct obd_device *obd, struct dt_device *dt,
struct tgt_opc_slice *slice, int request_fail_id,
int reply_fail_id)
{
struct dt_object_format dof;
struct lu_attr attr;
struct lu_fid fid;
struct dt_object *o;
int rc = 0;
ENTRY;
LASSERT(lut);
LASSERT(obd);
lut->lut_obd = obd;
lut->lut_bottom = dt;
lut->lut_last_rcvd = NULL;
lut->lut_client_bitmap = NULL;
obd->u.obt.obt_lut = lut;
obd->u.obt.obt_magic = OBT_MAGIC;
/* set request handler slice and parameters */
lut->lut_slice = slice;
lut->lut_reply_fail_id = reply_fail_id;
lut->lut_request_fail_id = request_fail_id;
/* sptlrcp variables init */
rwlock_init(&lut->lut_sptlrpc_lock);
sptlrpc_rule_set_init(&lut->lut_sptlrpc_rset);
lut->lut_mds_capa = 1;
lut->lut_oss_capa = 1;
spin_lock_init(&lut->lut_flags_lock);
lut->lut_sync_lock_cancel = NEVER_SYNC_ON_CANCEL;
/* last_rcvd initialization is needed by replayable targets only */
if (!obd->obd_replayable)
RETURN(0);
spin_lock_init(&lut->lut_translock);
OBD_ALLOC(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
if (lut->lut_client_bitmap == NULL)
RETURN(-ENOMEM);
memset(&attr, 0, sizeof(attr));
attr.la_valid = LA_MODE;
attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
dof.dof_type = dt_mode_to_dft(S_IFREG);
lu_local_obj_fid(&fid, LAST_RECV_OID);
o = dt_find_or_create(env, lut->lut_bottom, &fid, &dof, &attr);
if (IS_ERR(o)) {
rc = PTR_ERR(o);
CERROR("%s: cannot open LAST_RCVD: rc = %d\n", tgt_name(lut),
rc);
GOTO(out_bitmap, rc);
}
lut->lut_last_rcvd = o;
rc = tgt_server_data_init(env, lut);
if (rc < 0)
GOTO(out_obj, rc);
/* prepare transactions callbacks */
lut->lut_txn_cb.dtc_txn_start = tgt_txn_start_cb;
lut->lut_txn_cb.dtc_txn_stop = tgt_txn_stop_cb;
lut->lut_txn_cb.dtc_txn_commit = NULL;
lut->lut_txn_cb.dtc_cookie = lut;
lut->lut_txn_cb.dtc_tag = LCT_DT_THREAD | LCT_MD_THREAD;
CFS_INIT_LIST_HEAD(&lut->lut_txn_cb.dtc_linkage);
dt_txn_callback_add(lut->lut_bottom, &lut->lut_txn_cb);
RETURN(0);
out_obj:
lu_object_put(env, &lut->lut_last_rcvd->do_lu);
lut->lut_last_rcvd = NULL;
out_bitmap:
OBD_FREE(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
lut->lut_client_bitmap = NULL;
return rc;
}
int tgt_init(const struct lu_env *env, struct lu_target *lut,
struct obd_device *obd, struct dt_device *dt,
struct tgt_opc_slice *slice, int request_fail_id,
int reply_fail_id)
{
struct dt_object_format dof;
struct lu_attr attr;
struct lu_fid fid;
struct dt_object *o;
int rc = 0;
ENTRY;
LASSERT(lut);
LASSERT(obd);
lut->lut_obd = obd;
lut->lut_bottom = dt;
lut->lut_last_rcvd = NULL;
lut->lut_client_bitmap = NULL;
obd->u.obt.obt_lut = lut;
obd->u.obt.obt_magic = OBT_MAGIC;
/* set request handler slice and parameters */
lut->lut_slice = slice;
lut->lut_reply_fail_id = reply_fail_id;
lut->lut_request_fail_id = request_fail_id;
/* sptlrcp variables init */
rwlock_init(&lut->lut_sptlrpc_lock);
sptlrpc_rule_set_init(&lut->lut_sptlrpc_rset);
lut->lut_mds_capa = 1;
lut->lut_oss_capa = 1;
/* last_rcvd initialization is needed by replayable targets only */
if (!obd->obd_replayable)
RETURN(0);
spin_lock_init(&lut->lut_translock);
OBD_ALLOC(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
if (lut->lut_client_bitmap == NULL)
RETURN(-ENOMEM);
memset(&attr, 0, sizeof(attr));
attr.la_valid = LA_MODE;
attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
dof.dof_type = dt_mode_to_dft(S_IFREG);
lu_local_obj_fid(&fid, LAST_RECV_OID);
o = dt_find_or_create(env, lut->lut_bottom, &fid, &dof, &attr);
if (!IS_ERR(o)) {
lut->lut_last_rcvd = o;
} else {
OBD_FREE(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
lut->lut_client_bitmap = NULL;
rc = PTR_ERR(o);
CERROR("cannot open %s: rc = %d\n", LAST_RCVD, rc);
}
RETURN(rc);
}
