/*
* Concurrency: no concurrent access is possible that early in object
* life-cycle.
*/
static int osd_object_init(const struct lu_env *env, struct lu_object *l,
const struct lu_object_conf *conf)
{
struct osd_object *obj = osd_obj(l);
struct osd_device *osd = osd_obj2dev(obj);
uint64_t oid;
int rc;
ENTRY;
LASSERT(osd_invariant(obj));
if (fid_is_otable_it(&l->lo_header->loh_fid)) {
obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
l->lo_header->loh_attr |= LOHA_EXISTS;
RETURN(0);
}
rc = osd_fid_lookup(env, osd, lu_object_fid(l), &oid);
if (rc == 0) {
LASSERT(obj->oo_db == NULL);
rc = __osd_obj2dbuf(env, osd->od_objset.os, oid,
&obj->oo_db, osd_obj_tag);
if (rc == 0) {
LASSERT(obj->oo_db);
rc = osd_object_init0(env, obj);
} else {
CERROR("%s: lookup "DFID"/"LPX64" failed: rc = %d\n",
osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
}
} else if (rc == -ENOENT) {
rc = 0;
}
LASSERT(osd_invariant(obj));
RETURN(rc);
}
/*
* Concurrency: no concurrent access is possible that early in object
* life-cycle.
*/
static int osd_object_init(const struct lu_env *env, struct lu_object *l,
const struct lu_object_conf *conf)
{
struct osd_object *obj = osd_obj(l);
struct osd_device *osd = osd_obj2dev(obj);
uint64_t oid;
int rc;
ENTRY;
LASSERT(osd_invariant(obj));
if (fid_is_otable_it(&l->lo_header->loh_fid)) {
obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
l->lo_header->loh_attr |= LOHA_EXISTS;
RETURN(0);
}
if (conf != NULL && conf->loc_flags & LOC_F_NEW)
GOTO(out, rc = 0);
rc = osd_fid_lookup(env, osd, lu_object_fid(l), &oid);
if (rc == 0) {
LASSERT(obj->oo_db == NULL);
rc = __osd_obj2dbuf(env, osd->od_os, oid, &obj->oo_db);
/* EEXIST will be returned if object is being deleted in ZFS */
if (rc == -EEXIST) {
rc = 0;
GOTO(out, rc);
}
if (rc != 0) {
CERROR("%s: lookup "DFID"/%#llx failed: rc = %d\n",
osd->od_svname, PFID(lu_object_fid(l)), oid, rc);
GOTO(out, rc);
}
LASSERT(obj->oo_db);
rc = osd_object_init0(env, obj);
if (rc != 0)
GOTO(out, rc);
rc = osd_check_lma(env, obj);
if (rc != 0)
GOTO(out, rc);
} else if (rc == -ENOENT) {
rc = 0;
}
LASSERT(osd_invariant(obj));
out:
RETURN(rc);
}
static int
osd_scrub_check_update(const struct lu_env *env, struct osd_device *dev,
const struct lu_fid *fid, uint64_t oid, int val)
{
struct lustre_scrub *scrub = &dev->od_scrub;
struct scrub_file *sf = &scrub->os_file;
struct osd_inconsistent_item *oii = NULL;
nvlist_t *nvbuf = NULL;
dnode_t *dn = NULL;
uint64_t oid2;
int ops = DTO_INDEX_UPDATE;
int rc;
ENTRY;
down_write(&scrub->os_rwsem);
scrub->os_new_checked++;
if (val < 0)
GOTO(out, rc = val);
if (scrub->os_in_prior)
oii = list_entry(scrub->os_inconsistent_items.next,
struct osd_inconsistent_item, oii_list);
if (oid < sf->sf_pos_latest_start && !oii)
GOTO(out, rc = 0);
if (oii && oii->oii_insert) {
ops = DTO_INDEX_INSERT;
goto zget;
}
rc = osd_fid_lookup(env, dev, fid, &oid2);
if (rc) {
if (rc != -ENOENT)
GOTO(out, rc);
ops = DTO_INDEX_INSERT;
zget:
rc = __osd_obj2dnode(dev->od_os, oid, &dn);
if (rc) {
/* Someone removed the object by race. */
if (rc == -ENOENT || rc == -EEXIST)
rc = 0;
GOTO(out, rc);
}
scrub->os_full_speed = 1;
sf->sf_flags |= SF_INCONSISTENT;
} else if (oid == oid2) {
GOTO(out, rc = 0);
} else {
struct lustre_mdt_attrs *lma = NULL;
int size;
rc = __osd_xattr_load_by_oid(dev, oid2, &nvbuf);
if (rc == -ENOENT || rc == -EEXIST || rc == -ENODATA)
goto update;
if (rc)
GOTO(out, rc);
rc = -nvlist_lookup_byte_array(nvbuf, XATTR_NAME_LMA,
(uchar_t **)&lma, &size);
if (rc == -ENOENT || rc == -EEXIST || rc == -ENODATA)
goto update;
if (rc)
GOTO(out, rc);
lustre_lma_swab(lma);
if (unlikely(lu_fid_eq(&lma->lma_self_fid, fid))) {
CDEBUG(D_LFSCK, "%s: the FID "DFID" is used by "
"two objects: %llu and %llu (in OI)\n",
osd_name(dev), PFID(fid), oid, oid2);
GOTO(out, rc = -EEXIST);
}
update:
scrub->os_full_speed = 1;
sf->sf_flags |= SF_INCONSISTENT;
}
rc = osd_scrub_refresh_mapping(env, dev, fid, oid, ops, false, NULL);
if (!rc) {
if (scrub->os_in_prior)
sf->sf_items_updated_prior++;
else
sf->sf_items_updated++;
}
GOTO(out, rc);
out:
if (nvbuf)
nvlist_free(nvbuf);
if (rc < 0) {
sf->sf_items_failed++;
if (sf->sf_pos_first_inconsistent == 0 ||
sf->sf_pos_first_inconsistent > oid)
sf->sf_pos_first_inconsistent = oid;
} else {
rc = 0;
}
/* There may be conflict unlink during the OI scrub,
* if happend, then remove the new added OI mapping. */
if (ops == DTO_INDEX_INSERT && dn && dn->dn_free_txg)
osd_scrub_refresh_mapping(env, dev, fid, oid,
DTO_INDEX_DELETE, false, NULL);
up_write(&scrub->os_rwsem);
if (dn)
osd_dnode_rele(dn);
if (oii) {
spin_lock(&scrub->os_lock);
if (likely(!list_empty(&oii->oii_list)))
list_del(&oii->oii_list);
spin_unlock(&scrub->os_lock);
OBD_FREE_PTR(oii);
}
RETURN(sf->sf_param & SP_FAILOUT ? rc : 0);
}
