int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, u32 *mds)
{
struct obd_device *obd = lmv2obd_dev(lmv);
int rc;
/*
* FIXME: Currently ZFS still use local seq for ROOT unfortunately, and
* this fid_is_local check should be removed once LU-2240 is fixed
*/
if (!fid_is_sane(fid) || !(fid_seq_in_fldb(fid_seq(fid)) ||
fid_seq_is_local_file(fid_seq(fid)))) {
CERROR("%s: invalid FID " DFID "\n", obd->obd_name, PFID(fid));
return -EINVAL;
}
rc = fld_client_lookup(&lmv->lmv_fld, fid_seq(fid), mds,
LU_SEQ_RANGE_MDT, NULL);
if (rc) {
CERROR("Error while looking for mds number. Seq %#llx, err = %d\n",
fid_seq(fid), rc);
return rc;
}
CDEBUG(D_INODE, "FLD lookup got mds #%x for fid="DFID"\n",
*mds, PFID(fid));
if (*mds >= lmv->desc.ld_tgt_count) {
CERROR("FLD lookup got invalid mds #%x (max: %x) for fid=" DFID "\n", *mds, lmv->desc.ld_tgt_count,
PFID(fid));
rc = -EINVAL;
}
return rc;
}
int lmv_fld_lookup(struct lmv_obd *lmv,
const struct lu_fid *fid,
mdsno_t *mds)
{
int rc;
/* FIXME: Currently ZFS still use local seq for ROOT unfortunately, and
* this fid_is_local check should be removed once LU-2240 is fixed */
LASSERTF((fid_seq_in_fldb(fid_seq(fid)) ||
fid_seq_is_local_file(fid_seq(fid))) &&
fid_is_sane(fid), DFID" is insane!\n", PFID(fid));
rc = fld_client_lookup(&lmv->lmv_fld, fid_seq(fid), mds,
LU_SEQ_RANGE_MDT, NULL);
if (rc) {
CERROR("Error while looking for mds number. Seq %#llx, err = %d\n",
fid_seq(fid), rc);
return rc;
}
CDEBUG(D_INODE, "FLD lookup got mds #%x for fid="DFID"\n",
*mds, PFID(fid));
if (*mds >= lmv->desc.ld_tgt_count) {
CERROR("FLD lookup got invalid mds #%x (max: %x) "
"for fid="DFID"\n", *mds, lmv->desc.ld_tgt_count,
PFID(fid));
rc = -EINVAL;
}
return rc;
}
static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
struct lu_fid *fid)
{
ENTRY;
/* FID seqs not in FLDB, must be local seq */
if (unlikely(!fid_seq_in_fldb(fid_seq(fid))))
RETURN(0);
if (osd_seq_exists(env, osd, fid_seq(fid)))
RETURN(0);
RETURN(1);
}
