static int lfsck_update_lma(const struct lu_env *env,
struct lfsck_instance *lfsck, struct dt_object *obj)
{
struct lfsck_thread_info *info = lfsck_env_info(env);
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct dt_device *dt = lfsck->li_bottom;
struct lustre_mdt_attrs *lma = &info->lti_lma;
struct lu_buf *buf;
struct thandle *th;
int fl;
int rc;
ENTRY;
if (bk->lb_param & LPF_DRYRUN)
RETURN(0);
buf = lfsck_buf_get(env, info->lti_lma_old, LMA_OLD_SIZE);
rc = dt_xattr_get(env, obj, buf, XATTR_NAME_LMA, BYPASS_CAPA);
if (rc < 0) {
if (rc != -ENODATA)
RETURN(rc);
fl = LU_XATTR_CREATE;
lustre_lma_init(lma, lfsck_dto2fid(obj), LMAC_FID_ON_OST, 0);
} else {
if (rc != LMA_OLD_SIZE && rc != sizeof(struct lustre_mdt_attrs))
RETURN(-EINVAL);
fl = LU_XATTR_REPLACE;
lustre_lma_swab(lma);
lustre_lma_init(lma, lfsck_dto2fid(obj),
lma->lma_compat | LMAC_FID_ON_OST,
lma->lma_incompat);
}
lustre_lma_swab(lma);
th = dt_trans_create(env, dt);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
buf = lfsck_buf_get(env, lma, sizeof(*lma));
rc = dt_declare_xattr_set(env, obj, buf, XATTR_NAME_LMA, fl, th);
if (rc != 0)
GOTO(stop, rc);
rc = dt_trans_start(env, dt, th);
if (rc != 0)
GOTO(stop, rc);
rc = dt_xattr_set(env, obj, buf, XATTR_NAME_LMA, fl, th, BYPASS_CAPA);
GOTO(stop, rc);
stop:
dt_trans_stop(env, dt, th);
return rc;
}
static int mdd_convert_lma(const struct lu_env *env, struct mdd_device *mdd,
struct mdd_object *o)
{
struct lustre_mdt_attrs *lma;
struct thandle *th;
struct lu_fid fid;
struct lu_buf buf;
int rc;
ENTRY;
lu_root_fid(&fid);
lma = (struct lustre_mdt_attrs *)&mdd_env_info(env)->mti_xattr_buf;
lustre_lma_init(lma, &fid, 0, 0);
lustre_lma_swab(lma);
buf.lb_buf = lma;
buf.lb_len = sizeof(*lma);
th = dt_trans_create(env, mdd->mdd_child);
if (IS_ERR(th))
RETURN(PTR_ERR(th));
rc = mdo_declare_xattr_set(env, o, &buf, XATTR_NAME_LMA, 0, th);
if (rc)
GOTO(out, rc);
rc = dt_trans_start_local(env, mdd->mdd_child, th);
if (rc)
GOTO(out, rc);
rc = mdo_xattr_set(env, o, &buf, XATTR_NAME_LMA, 0, th, BYPASS_CAPA);
out:
dt_trans_stop(env, mdd->mdd_child, th);
RETURN(rc);
}
void lustre_loa_init(struct lustre_ost_attrs *loa, const struct lu_fid *fid,
__u32 compat, __u32 incompat)
{
CLASSERT(sizeof(*loa) == LMA_OLD_SIZE);
memset(&loa->loa_parent_fid, 0,
sizeof(*loa) - offsetof(typeof(*loa), loa_parent_fid));
lustre_lma_init(&loa->loa_lma, fid, compat, incompat);
}
/*
* Primitives for directory (i.e. ZAP) handling
*/
static inline int osd_init_lma(const struct lu_env *env, struct osd_object *obj,
const struct lu_fid *fid, struct osd_thandle *oh)
{
struct osd_thread_info *info = osd_oti_get(env);
struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
struct lu_buf buf;
int rc;
lustre_lma_init(lma, fid);
lustre_lma_swab(lma);
buf.lb_buf = lma;
buf.lb_len = sizeof(*lma);
rc = osd_xattr_set_internal(env, obj, &buf, XATTR_NAME_LMA,
LU_XATTR_CREATE, oh, BYPASS_CAPA);
return rc;
}
/*
* Concurrency: @dt is write locked.
*/
static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
struct lu_attr *attr,
struct dt_allocation_hint *hint,
struct dt_object_format *dof,
struct thandle *th)
{
struct osd_thread_info *info = osd_oti_get(env);
struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
struct zpl_direntry *zde = &info->oti_zde.lzd_reg;
const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
struct osd_object *obj = osd_dt_obj(dt);
struct osd_device *osd = osd_obj2dev(obj);
char *buf = info->oti_str;
struct osd_thandle *oh;
dmu_buf_t *db = NULL;
uint64_t zapid, parent = 0;
int rc;
ENTRY;
/* concurrent create declarations should not see
* the object inconsistent (db, attr, etc).
* in regular cases acquisition should be cheap */
down_write(&obj->oo_guard);
if (unlikely(dt_object_exists(dt)))
GOTO(out, rc = -EEXIST);
LASSERT(osd_invariant(obj));
LASSERT(dof != NULL);
LASSERT(th != NULL);
oh = container_of0(th, struct osd_thandle, ot_super);
/*
* XXX missing: Quote handling.
*/
LASSERT(obj->oo_db == NULL);
/* to follow ZFS on-disk format we need
* to initialize parent dnode properly */
if (hint != NULL && hint->dah_parent != NULL &&
!dt_object_remote(hint->dah_parent))
parent = osd_dt_obj(hint->dah_parent)->oo_db->db_object;
/* we may fix some attributes, better do not change the source */
obj->oo_attr = *attr;
obj->oo_attr.la_valid |= LA_SIZE | LA_NLINK | LA_TYPE;
db = osd_create_type_f(dof->dof_type)(env, obj, &obj->oo_attr, oh);
if (IS_ERR(db)) {
rc = PTR_ERR(db);
db = NULL;
GOTO(out, rc);
}
zde->zde_pad = 0;
zde->zde_dnode = db->db_object;
zde->zde_type = IFTODT(attr->la_mode & S_IFMT);
zapid = osd_get_name_n_idx(env, osd, fid, buf, sizeof(info->oti_str));
rc = -zap_add(osd->od_os, zapid, buf, 8, 1, zde, oh->ot_tx);
if (rc)
GOTO(out, rc);
/* Now add in all of the "SA" attributes */
rc = -sa_handle_get(osd->od_os, db->db_object, NULL,
SA_HDL_PRIVATE, &obj->oo_sa_hdl);
if (rc)
GOTO(out, rc);
/* configure new osd object */
obj->oo_db = db;
parent = parent != 0 ? parent : zapid;
rc = __osd_attr_init(env, osd, obj->oo_sa_hdl, oh->ot_tx,
&obj->oo_attr, parent);
if (rc)
GOTO(out, rc);
/* XXX: oo_lma_flags */
obj->oo_dt.do_lu.lo_header->loh_attr |= obj->oo_attr.la_mode & S_IFMT;
smp_mb();
obj->oo_dt.do_lu.lo_header->loh_attr |= LOHA_EXISTS;
if (likely(!fid_is_acct(lu_object_fid(&obj->oo_dt.do_lu))))
/* no body operations for accounting objects */
obj->oo_dt.do_body_ops = &osd_body_ops;
rc = -nvlist_alloc(&obj->oo_sa_xattr, NV_UNIQUE_NAME, KM_SLEEP);
if (rc)
GOTO(out, rc);
/* initialize LMA */
lustre_lma_init(lma, lu_object_fid(&obj->oo_dt.do_lu), 0, 0);
lustre_lma_swab(lma);
rc = -nvlist_add_byte_array(obj->oo_sa_xattr, XATTR_NAME_LMA,
(uchar_t *)lma, sizeof(*lma));
if (rc)
GOTO(out, rc);
rc = __osd_sa_xattr_update(env, obj, oh);
if (rc)
GOTO(out, rc);
/* Add new object to inode accounting.
* Errors are not considered as fatal */
rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
(attr->la_valid & LA_UID) ? attr->la_uid : 0, 1,
oh->ot_tx);
if (rc)
CERROR("%s: failed to add "DFID" to accounting ZAP for usr %d "
"(%d)\n", osd->od_svname, PFID(fid), attr->la_uid, rc);
rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
(attr->la_valid & LA_GID) ? attr->la_gid : 0, 1,
oh->ot_tx);
if (rc)
CERROR("%s: failed to add "DFID" to accounting ZAP for grp %d "
"(%d)\n", osd->od_svname, PFID(fid), attr->la_gid, rc);
out:
if (unlikely(rc && db)) {
dmu_object_free(osd->od_os, db->db_object, oh->ot_tx);
sa_buf_rele(db, osd_obj_tag);
obj->oo_db = NULL;
}
up_write(&obj->oo_guard);
RETURN(rc);
}
