/**
* Swab, if needed, LMA structure which is stored on-disk in little-endian order.
*
* \param lma - is a pointer to the LMA structure to be swabbed.
*/
void lustre_lma_swab(struct lustre_mdt_attrs *lma)
{
#ifdef __BIG_ENDIAN
__swab32s(&lma->lma_compat);
__swab32s(&lma->lma_incompat);
lustre_swab_lu_fid(&lma->lma_self_fid);
#endif
}
void lustre_swab_ost_id(struct ost_id *oid)
{
if (fid_seq_is_mdt0(oid->oi.oi_seq)) {
__swab64s(&oid->oi.oi_id);
__swab64s(&oid->oi.oi_seq);
} else {
lustre_swab_lu_fid(&oid->oi_fid);
}
}
/**
* Swab, if needed, LMA structure which is stored on-disk in little-endian order.
*
* \param lma - is a pointer to the LMA structure to be swabbed.
*/
void lustre_lma_swab(struct lustre_mdt_attrs *lma)
{
/* Use LUSTRE_MSG_MAGIC to detect local endianess. */
if (LUSTRE_MSG_MAGIC != cpu_to_le32(LUSTRE_MSG_MAGIC)) {
__swab32s(&lma->lma_compat);
__swab32s(&lma->lma_incompat);
lustre_swab_lu_fid(&lma->lma_self_fid);
}
};
static int out_index_insert(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct object_update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct dt_insert_rec *rec = &tti->tti_rec;
struct lu_fid *fid;
char *name;
__u32 *ptype;
int rc = 0;
size_t size;
ENTRY;
name = object_update_param_get(update, 0, NULL);
if (IS_ERR(name)) {
CERROR("%s: empty name for index insert: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(name));
RETURN(PTR_ERR(name));
}
fid = object_update_param_get(update, 1, &size);
if (IS_ERR(fid) || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(fid));
RETURN(PTR_ERR(fid));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
lustre_swab_lu_fid(fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
RETURN(-EPROTO);
}
ptype = object_update_param_get(update, 2, &size);
if (IS_ERR(ptype) || size != sizeof(*ptype)) {
CERROR("%s: invalid type for index insert: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(ptype));
RETURN(PTR_ERR(ptype));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
__swab32s(ptype);
rec->rec_fid = fid;
rec->rec_type = *ptype;
rc = out_tx_index_insert(tsi->tsi_env, obj, (const struct dt_rec *)rec,
(const struct dt_key *)name, &tti->tti_tea,
tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
static int out_create(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct object_update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct dt_object_format *dof = &tti->tti_u.update.tti_update_dof;
struct obdo *lobdo = &tti->tti_u.update.tti_obdo;
struct lu_attr *attr = &tti->tti_attr;
struct lu_fid *fid = NULL;
struct obdo *wobdo;
int size;
int rc;
ENTRY;
wobdo = object_update_param_get(update, 0, &size);
if (wobdo == NULL || size != sizeof(*wobdo)) {
CERROR("%s: obdo is NULL, invalid RPC: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
obdo_le_to_cpu(wobdo, wobdo);
lustre_get_wire_obdo(NULL, lobdo, wobdo);
la_from_obdo(attr, lobdo, lobdo->o_valid);
dof->dof_type = dt_mode_to_dft(attr->la_mode);
if (update->ou_params_count > 1) {
int size;
fid = object_update_param_get(update, 1, &size);
if (fid == NULL || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
lustre_swab_lu_fid(fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid fid "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
RETURN(err_serious(-EPROTO));
}
}
if (lu_object_exists(&obj->do_lu))
RETURN(-EEXIST);
rc = out_tx_create(tsi->tsi_env, obj, attr, fid, dof,
&tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
void lustre_swab_update_ops(struct update_ops *uops, unsigned int op_count)
{
unsigned int i;
unsigned int j;
for (i = 0; i < op_count; i++) {
lustre_swab_lu_fid(&uops->uops_op[i].uop_fid);
__swab16s(&uops->uops_op[i].uop_type);
__swab16s(&uops->uops_op[i].uop_param_count);
for (j = 0; j < uops->uops_op[i].uop_param_count; j++)
__swab16s(&uops->uops_op[i].uop_params_off[j]);
}
}
static int out_index_insert(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
struct object_update *update = tti->tti_u.update.tti_update;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct lu_fid *fid;
char *name;
int rc = 0;
int size;
ENTRY;
name = object_update_param_get(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for index insert: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
fid = object_update_param_get(update, 1, &size);
if (fid == NULL || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
lustre_swab_lu_fid(fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
RETURN(err_serious(-EPROTO));
}
rc = out_tx_index_insert(tsi->tsi_env, obj, name, fid,
&tti->tti_tea,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
/**
* Swab, if needed, LOA (for OST-object only) structure with LMA EA and PFID EA
* combined together are stored on-disk in little-endian order.
*
* \param[in] loa - the pointer to the LOA structure to be swabbed.
* \param[in] to_cpu - to indicate swab for CPU order or not.
*/
void lustre_loa_swab(struct lustre_ost_attrs *loa, bool to_cpu)
{
struct lustre_mdt_attrs *lma = &loa->loa_lma;
#ifdef __BIG_ENDIAN
__u32 compat = lma->lma_compat;
#endif
lustre_lma_swab(lma);
#ifdef __BIG_ENDIAN
if (to_cpu)
compat = lma->lma_compat;
if (compat & LMAC_STRIPE_INFO) {
lustre_swab_lu_fid(&loa->loa_parent_fid);
__swab32s(&loa->loa_stripe_size);
}
if (compat & LMAC_COMP_INFO) {
__swab32s(&loa->loa_comp_id);
__swab64s(&loa->loa_comp_start);
__swab64s(&loa->loa_comp_end);
}
#endif
}
void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
{
struct llog_rec_tail *tail = NULL;
__swab32s(&rec->lrh_len);
__swab32s(&rec->lrh_index);
__swab32s(&rec->lrh_type);
__swab32s(&rec->lrh_id);
switch (rec->lrh_type) {
case OST_SZ_REC:
{
struct llog_size_change_rec *lsc =
(struct llog_size_change_rec *)rec;
lustre_swab_ll_fid(&lsc->lsc_fid);
__swab32s(&lsc->lsc_ioepoch);
tail = &lsc->lsc_tail;
break;
}
case MDS_UNLINK_REC:
{
struct llog_unlink_rec *lur = (struct llog_unlink_rec *)rec;
__swab64s(&lur->lur_oid);
__swab32s(&lur->lur_oseq);
__swab32s(&lur->lur_count);
tail = &lur->lur_tail;
break;
}
case MDS_UNLINK64_REC:
{
struct llog_unlink64_rec *lur =
(struct llog_unlink64_rec *)rec;
lustre_swab_lu_fid(&lur->lur_fid);
__swab32s(&lur->lur_count);
tail = &lur->lur_tail;
break;
}
case CHANGELOG_REC:
{
struct llog_changelog_rec *cr = (struct llog_changelog_rec*)rec;
__swab16s(&cr->cr.cr_namelen);
__swab16s(&cr->cr.cr_flags);
__swab32s(&cr->cr.cr_type);
__swab64s(&cr->cr.cr_index);
__swab64s(&cr->cr.cr_prev);
__swab64s(&cr->cr.cr_time);
lustre_swab_lu_fid(&cr->cr.cr_tfid);
lustre_swab_lu_fid(&cr->cr.cr_pfid);
if (CHANGELOG_REC_EXTENDED(&cr->cr)) {
struct llog_changelog_ext_rec *ext =
(struct llog_changelog_ext_rec *)rec;
lustre_swab_lu_fid(&ext->cr.cr_sfid);
lustre_swab_lu_fid(&ext->cr.cr_spfid);
tail = &ext->cr_tail;
} else {
tail = &cr->cr_tail;
}
break;
}
case CHANGELOG_USER_REC:
{
struct llog_changelog_user_rec *cur =
(struct llog_changelog_user_rec*)rec;
__swab32s(&cur->cur_id);
__swab64s(&cur->cur_endrec);
tail = &cur->cur_tail;
break;
}
case HSM_AGENT_REC: {
struct llog_agent_req_rec *arr =
(struct llog_agent_req_rec *)rec;
__swab32s(&arr->arr_hai.hai_len);
__swab32s(&arr->arr_hai.hai_action);
lustre_swab_lu_fid(&arr->arr_hai.hai_fid);
lustre_swab_lu_fid(&arr->arr_hai.hai_dfid);
__swab64s(&arr->arr_hai.hai_cookie);
__swab64s(&arr->arr_hai.hai_extent.offset);
__swab64s(&arr->arr_hai.hai_extent.length);
__swab64s(&arr->arr_hai.hai_gid);
/* no swabing for opaque data */
/* hai_data[0]; */
break;
}
case MDS_SETATTR64_REC:
{
struct llog_setattr64_rec *lsr =
(struct llog_setattr64_rec *)rec;
lustre_swab_ost_id(&lsr->lsr_oi);
__swab32s(&lsr->lsr_uid);
__swab32s(&lsr->lsr_uid_h);
__swab32s(&lsr->lsr_gid);
__swab32s(&lsr->lsr_gid_h);
tail = &lsr->lsr_tail;
break;
}
case OBD_CFG_REC:
/* these are swabbed as they are consumed */
break;
case LLOG_HDR_MAGIC:
{
struct llog_log_hdr *llh = (struct llog_log_hdr *)rec;
__swab64s(&llh->llh_timestamp);
__swab32s(&llh->llh_count);
__swab32s(&llh->llh_bitmap_offset);
__swab32s(&llh->llh_flags);
__swab32s(&llh->llh_size);
__swab32s(&llh->llh_cat_idx);
tail = &llh->llh_tail;
break;
}
case LLOG_LOGID_MAGIC:
{
struct llog_logid_rec *lid = (struct llog_logid_rec *)rec;
lustre_swab_llog_id(&lid->lid_id);
tail = &lid->lid_tail;
break;
}
case LLOG_GEN_REC:
{
struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
__swab64s(&lgr->lgr_gen.mnt_cnt);
__swab64s(&lgr->lgr_gen.conn_cnt);
tail = &lgr->lgr_tail;
break;
}
case LLOG_PAD_MAGIC:
break;
default:
CERROR("Unknown llog rec type %#x swabbing rec %p\n",
rec->lrh_type, rec);
}
if (tail) {
__swab32s(&tail->lrt_len);
__swab32s(&tail->lrt_index);
}
}
/**
* Implementation of dt_index_operations::dio_lookup
*
* Look up record by key under a remote index object. It packs lookup update
* into RPC, sends to the remote OUT and waits for the lookup result.
*
* \param[in] env execution environment
* \param[in] dt index object to lookup
* \param[out] rec record in which to return lookup result
* \param[in] key key of index which will be looked up
*
* \retval 1 if the lookup succeeds.
* \retval negative errno if the lookup fails.
*/
static int osp_md_index_lookup(const struct lu_env *env, struct dt_object *dt,
struct dt_rec *rec, const struct dt_key *key)
{
struct lu_buf *lbuf = &osp_env_info(env)->osi_lb2;
struct osp_device *osp = lu2osp_dev(dt->do_lu.lo_dev);
struct dt_device *dt_dev = &osp->opd_dt_dev;
struct osp_update_request *update;
struct object_update_reply *reply;
struct ptlrpc_request *req = NULL;
struct lu_fid *fid;
int rc;
ENTRY;
/* Because it needs send the update buffer right away,
* just create an update buffer, instead of attaching the
* update_remote list of the thandle.
*/
update = osp_update_request_create(dt_dev);
if (IS_ERR(update))
RETURN(PTR_ERR(update));
rc = osp_update_rpc_pack(env, index_lookup, update, OUT_INDEX_LOOKUP,
lu_object_fid(&dt->do_lu), rec, key);
if (rc != 0) {
CERROR("%s: Insert update error: rc = %d\n",
dt_dev->dd_lu_dev.ld_obd->obd_name, rc);
GOTO(out, rc);
}
rc = osp_remote_sync(env, osp, update, &req);
if (rc < 0)
GOTO(out, rc);
reply = req_capsule_server_sized_get(&req->rq_pill,
&RMF_OUT_UPDATE_REPLY,
OUT_UPDATE_REPLY_SIZE);
if (reply->ourp_magic != UPDATE_REPLY_MAGIC) {
CERROR("%s: Wrong version %x expected %x: rc = %d\n",
dt_dev->dd_lu_dev.ld_obd->obd_name,
reply->ourp_magic, UPDATE_REPLY_MAGIC, -EPROTO);
GOTO(out, rc = -EPROTO);
}
rc = object_update_result_data_get(reply, lbuf, 0);
if (rc < 0)
GOTO(out, rc);
if (lbuf->lb_len != sizeof(*fid)) {
CERROR("%s: lookup "DFID" %s wrong size %d\n",
dt_dev->dd_lu_dev.ld_obd->obd_name,
PFID(lu_object_fid(&dt->do_lu)), (char *)key,
(int)lbuf->lb_len);
GOTO(out, rc = -EINVAL);
}
fid = lbuf->lb_buf;
if (ptlrpc_rep_need_swab(req))
lustre_swab_lu_fid(fid);
if (!fid_is_sane(fid)) {
CERROR("%s: lookup "DFID" %s invalid fid "DFID"\n",
dt_dev->dd_lu_dev.ld_obd->obd_name,
PFID(lu_object_fid(&dt->do_lu)), (char *)key, PFID(fid));
GOTO(out, rc = -EINVAL);
}
memcpy(rec, fid, sizeof(*fid));
GOTO(out, rc = 1);
out:
if (req != NULL)
ptlrpc_req_finished(req);
osp_update_request_destroy(update);
return rc;
}
void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
{
struct llog_rec_tail *tail = NULL;
__swab32s(&rec->lrh_len);
__swab32s(&rec->lrh_index);
__swab32s(&rec->lrh_type);
__swab32s(&rec->lrh_id);
switch (rec->lrh_type) {
case OST_SZ_REC:
{
struct llog_size_change_rec *lsc =
(struct llog_size_change_rec *)rec;
lustre_swab_ll_fid(&lsc->lsc_fid);
__swab32s(&lsc->lsc_ioepoch);
tail = &lsc->lsc_tail;
break;
}
case MDS_UNLINK_REC:
{
struct llog_unlink_rec *lur = (struct llog_unlink_rec *)rec;
__swab64s(&lur->lur_oid);
__swab32s(&lur->lur_oseq);
__swab32s(&lur->lur_count);
tail = &lur->lur_tail;
break;
}
case MDS_UNLINK64_REC:
{
struct llog_unlink64_rec *lur =
(struct llog_unlink64_rec *)rec;
lustre_swab_lu_fid(&lur->lur_fid);
__swab32s(&lur->lur_count);
tail = &lur->lur_tail;
break;
}
case CHANGELOG_REC:
{
struct llog_changelog_rec *cr =
(struct llog_changelog_rec *)rec;
__swab16s(&cr->cr.cr_namelen);
__swab16s(&cr->cr.cr_flags);
__swab32s(&cr->cr.cr_type);
__swab64s(&cr->cr.cr_index);
__swab64s(&cr->cr.cr_prev);
__swab64s(&cr->cr.cr_time);
lustre_swab_lu_fid(&cr->cr.cr_tfid);
lustre_swab_lu_fid(&cr->cr.cr_pfid);
if (cr->cr.cr_flags & CLF_RENAME) {
struct changelog_ext_rename *rnm =
changelog_rec_rename(&cr->cr);
lustre_swab_lu_fid(&rnm->cr_sfid);
lustre_swab_lu_fid(&rnm->cr_spfid);
}
/* Because the tail follows a variable-length structure we need
* to compute its location at runtime */
tail = (struct llog_rec_tail *)((char *)&cr->cr +
changelog_rec_size(&cr->cr) +
cr->cr.cr_namelen);
break;
}
case CHANGELOG_USER_REC:
{
struct llog_changelog_user_rec *cur =
(struct llog_changelog_user_rec*)rec;
__swab32s(&cur->cur_id);
__swab64s(&cur->cur_endrec);
tail = &cur->cur_tail;
break;
}
case HSM_AGENT_REC: {
struct llog_agent_req_rec *arr =
(struct llog_agent_req_rec *)rec;
__swab32s(&arr->arr_hai.hai_len);
__swab32s(&arr->arr_hai.hai_action);
lustre_swab_lu_fid(&arr->arr_hai.hai_fid);
lustre_swab_lu_fid(&arr->arr_hai.hai_dfid);
__swab64s(&arr->arr_hai.hai_cookie);
__swab64s(&arr->arr_hai.hai_extent.offset);
__swab64s(&arr->arr_hai.hai_extent.length);
__swab64s(&arr->arr_hai.hai_gid);
/* no swabing for opaque data */
/* hai_data[0]; */
break;
}
case MDS_SETATTR64_REC:
{
struct llog_setattr64_rec *lsr =
(struct llog_setattr64_rec *)rec;
lustre_swab_ost_id(&lsr->lsr_oi);
__swab32s(&lsr->lsr_uid);
__swab32s(&lsr->lsr_uid_h);
__swab32s(&lsr->lsr_gid);
__swab32s(&lsr->lsr_gid_h);
__swab64s(&lsr->lsr_valid);
tail = &lsr->lsr_tail;
break;
}
case OBD_CFG_REC:
/* these are swabbed as they are consumed */
break;
case LLOG_HDR_MAGIC:
{
struct llog_log_hdr *llh = (struct llog_log_hdr *)rec;
__swab64s(&llh->llh_timestamp);
__swab32s(&llh->llh_count);
__swab32s(&llh->llh_bitmap_offset);
__swab32s(&llh->llh_flags);
__swab32s(&llh->llh_size);
__swab32s(&llh->llh_cat_idx);
tail = LLOG_HDR_TAIL(llh);
break;
}
case LLOG_LOGID_MAGIC:
{
struct llog_logid_rec *lid = (struct llog_logid_rec *)rec;
lustre_swab_llog_id(&lid->lid_id);
tail = &lid->lid_tail;
break;
}
case LLOG_GEN_REC:
{
struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;
__swab64s(&lgr->lgr_gen.mnt_cnt);
__swab64s(&lgr->lgr_gen.conn_cnt);
tail = &lgr->lgr_tail;
break;
}
case LLOG_PAD_MAGIC:
break;
case UPDATE_REC:
{
struct llog_update_record *lur =
(struct llog_update_record *)rec;
struct update_records *record = &lur->lur_update_rec;
__swab32s(&record->ur_flags);
__swab64s(&record->ur_batchid);
__swab64s(&record->ur_master_transno);
__swab32s(&record->ur_param_count);
__swab32s(&record->ur_update_count);
lustre_swab_update_ops(&record->ur_ops,
record->ur_update_count);
/* Compute tail location. */
tail = (struct llog_rec_tail *)((char *)record +
update_records_size(record));
break;
}
default:
CERROR("Unknown llog rec type %#x swabbing rec %p\n",
rec->lrh_type, rec);
}
if (tail) {
__swab32s(&tail->lrt_len);
__swab32s(&tail->lrt_index);
}
}