static int lov_llog_origin_connect(struct llog_ctxt *ctxt,
struct llog_logid *logid,
struct llog_gen *gen,
struct obd_uuid *uuid)
{
struct obd_device *obd = ctxt->loc_obd;
struct lov_obd *lov = &obd->u.lov;
int i, rc = 0, err = 0;
ENTRY;
obd_getref(obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
struct obd_device *child;
struct llog_ctxt *cctxt;
if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active)
continue;
if (uuid && !obd_uuid_equals(uuid, &lov->lov_tgts[i]->ltd_uuid))
continue;
CDEBUG(D_CONFIG, "connect %d/%d\n", i, lov->desc.ld_tgt_count);
child = lov->lov_tgts[i]->ltd_exp->exp_obd;
cctxt = llog_get_context(child, ctxt->loc_idx);
rc = llog_connect(cctxt, logid, gen, uuid);
llog_ctxt_put(cctxt);
if (rc) {
CERROR("error osc_llog_connect tgt %d (%d)\n", i, rc);
if (!err)
err = rc;
}
}
obd_putref(obd);
RETURN(err);
}
static int lov_process_config(const struct lu_env *env,
struct lu_device *d, struct lustre_cfg *cfg)
{
struct obd_device *obd = d->ld_obd;
int cmd;
int rc;
int gen;
__u32 index;
obd_getref(obd);
cmd = cfg->lcfg_command;
rc = lov_process_config_base(d->ld_obd, cfg, &index, &gen);
if (rc == 0) {
switch (cmd) {
case LCFG_LOV_ADD_OBD:
case LCFG_LOV_ADD_INA:
rc = lov_cl_add_target(env, d, index);
if (rc != 0)
lov_del_target(d->ld_obd, index, NULL, 0);
break;
case LCFG_LOV_DEL_OBD:
lov_cl_del_target(env, d, index);
break;
}
}
obd_putref(obd);
return rc;
}
int lov_quota_adjust_qunit(struct obd_export *exp,
struct quota_adjust_qunit *oqaq,
struct lustre_quota_ctxt *qctxt,
struct ptlrpc_request_set *rqset)
{
struct obd_device *obd = class_exp2obd(exp);
struct lov_obd *lov = &obd->u.lov;
int i, err, rc = 0;
unsigned no_set = 0;
ENTRY;
if (!QAQ_IS_ADJBLK(oqaq)) {
CERROR("bad qaq_flags %x for lov obd.\n", oqaq->qaq_flags);
RETURN(-EFAULT);
}
if (rqset == NULL) {
rqset = ptlrpc_prep_set();
if (!rqset)
RETURN(-ENOMEM);
no_set = 1;
}
obd_getref(obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
CDEBUG(D_HA, "ost %d is inactive\n", i);
continue;
}
err = obd_quota_adjust_qunit(lov->lov_tgts[i]->ltd_exp, oqaq,
NULL, rqset);
if (err) {
if (lov->lov_tgts[i]->ltd_active && !rc)
rc = err;
continue;
}
}
err = ptlrpc_set_wait(rqset);
if (!rc)
rc = err;
/* Destroy the set if none was provided by the caller */
if (no_set)
ptlrpc_set_destroy(rqset);
obd_putref(obd);
RETURN(rc);
}
int lov_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
struct obd_device *disk_obd, int *index)
{
struct lov_obd *lov = &obd->u.lov;
struct obd_device *child;
int i, rc = 0;
ENTRY;
LASSERT(olg == &obd->obd_olg);
rc = llog_setup(NULL, obd, olg, LLOG_MDS_OST_ORIG_CTXT, disk_obd,
&lov_mds_ost_orig_logops);
if (rc)
RETURN(rc);
rc = llog_setup(NULL, obd, olg, LLOG_SIZE_REPL_CTXT, disk_obd,
&lov_size_repl_logops);
if (rc)
GOTO(err_cleanup, rc);
obd_getref(obd);
/* count may not match lov->desc.ld_tgt_count during dynamic ost add */
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
if (!lov->lov_tgts[i])
continue;
if (index && i != *index)
continue;
child = lov->lov_tgts[i]->ltd_obd;
rc = obd_llog_init(child, &child->obd_olg, disk_obd, &i);
if (rc)
CERROR("error osc_llog_init idx %d osc '%s' tgt '%s' "
"(rc=%d)\n", i, child->obd_name,
disk_obd->obd_name, rc);
rc = 0;
}
obd_putref(obd);
GOTO(err_cleanup, rc);
err_cleanup:
if (rc) {
struct llog_ctxt *ctxt =
llog_get_context(obd, LLOG_SIZE_REPL_CTXT);
if (ctxt)
llog_cleanup(NULL, ctxt);
ctxt = llog_get_context(obd, LLOG_MDS_OST_ORIG_CTXT);
if (ctxt)
llog_cleanup(NULL, ctxt);
}
return rc;
}
static int lov_cl_add_target(const struct lu_env *env, struct lu_device *dev,
__u32 index)
{
struct obd_device *obd = dev->ld_obd;
struct lov_device *ld = lu2lov_dev(dev);
struct lov_tgt_desc *tgt;
struct lovsub_device *lsd;
struct cl_device *cl;
int rc;
obd_getref(obd);
tgt = obd->u.lov.lov_tgts[index];
LASSERT(tgt != NULL);
LASSERT(tgt->ltd_obd != NULL);
if (!tgt->ltd_obd->obd_set_up) {
CERROR("Target %s not set up\n", obd_uuid2str(&tgt->ltd_uuid));
return -EINVAL;
}
rc = lov_expand_targets(env, ld);
if (rc == 0 && ld->ld_flags & LOV_DEV_INITIALIZED) {
LASSERT(dev->ld_site != NULL);
cl = cl_type_setup(env, dev->ld_site, &lovsub_device_type,
tgt->ltd_obd->obd_lu_dev);
if (!IS_ERR(cl)) {
lsd = cl2lovsub_dev(cl);
lsd->acid_idx = index;
lsd->acid_super = ld;
ld->ld_target[index] = lsd;
} else {
CERROR("add failed (%d), deleting %s\n", rc,
obd_uuid2str(&tgt->ltd_uuid));
lov_cl_del_target(env, dev, index);
rc = PTR_ERR(cl);
}
}
obd_putref(obd);
return rc;
}
/* the replicators commit callback */
static int lov_llog_repl_cancel(const struct lu_env *env,
struct llog_ctxt *ctxt,
struct lov_stripe_md *lsm,
int count, struct llog_cookie *cookies,
int flags)
{
struct lov_obd *lov;
struct obd_device *obd = ctxt->loc_obd;
int rc = 0, i;
ENTRY;
LASSERT(lsm != NULL);
LASSERT(count == lsm->lsm_stripe_count);
lov = &obd->u.lov;
obd_getref(obd);
for (i = 0; i < count; i++, cookies++) {
struct lov_oinfo *loi = lsm->lsm_oinfo[i];
struct obd_device *child =
lov->lov_tgts[loi->loi_ost_idx]->ltd_exp->exp_obd;
struct llog_ctxt *cctxt =
llog_get_context(child, ctxt->loc_idx);
int err;
err = llog_cancel(env, cctxt, NULL, 1, cookies, flags);
llog_ctxt_put(cctxt);
if (err && lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
CERROR("%s: objid "DOSTID" subobj "DOSTID
" on OST idx %d: rc = %d\n",
obd->obd_name, POSTID(&lsm->lsm_oi),
POSTID(&loi->loi_oi), loi->loi_ost_idx, err);
if (!rc)
rc = err;
}
}
obd_putref(obd);
RETURN(rc);
}
int lov_quota_check(struct obd_device *unused, struct obd_export *exp,
struct obd_quotactl *oqctl)
{
struct obd_device *obd = class_exp2obd(exp);
struct lov_obd *lov = &obd->u.lov;
int i, rc = 0;
ENTRY;
obd_getref(obd);
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
if (!lov->lov_tgts[i])
continue;
if (!lov->lov_tgts[i]->ltd_active) {
CERROR("lov idx %d inactive\n", i);
rc = -EIO;
goto out;
}
}
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
int err;
if (!lov->lov_tgts[i])
continue;
err = obd_quotacheck(lov->lov_tgts[i]->ltd_exp, oqctl);
if (err && !rc)
rc = err;
}
out:
obd_putref(obd);
RETURN(rc);
}