-#ifdef __KERNEL__
-
-static void rule2string(struct sptlrpc_rule *r, char *buf, int buflen)
-{
- char dirbuf[8];
- char *net;
- char *ptr = buf;
-
- if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
- net = "default";
- else
- net = libcfs_net2str(r->sr_netid);
-
- if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
- dirbuf[0] = '\0';
- else
- snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
- sptlrpc_part2name(r->sr_from),
- sptlrpc_part2name(r->sr_to));
-
- ptr += snprintf(buf, buflen, "srpc.flavor.%s%s=", net, dirbuf);
-
- sptlrpc_flavor2name(&r->sr_flvr, ptr, buflen - (ptr - buf));
- buf[buflen - 1] = '\0';
-}
-
-static int sptlrpc_record_rule_set(struct llog_handle *llh,
- char *target,
- struct sptlrpc_rule_set *rset)
-{
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
- struct llog_rec_hdr rec;
- int buflen;
- char param[48];
- int i, rc;
-
- for (i = 0; i < rset->srs_nrule; i++) {
- rule2string(&rset->srs_rules[i], param, sizeof(param));
-
- lustre_cfg_bufs_reset(&bufs, NULL);
- lustre_cfg_bufs_set_string(&bufs, 1, target);
- lustre_cfg_bufs_set_string(&bufs, 2, param);
- lcfg = lustre_cfg_new(LCFG_SPTLRPC_CONF, &bufs);
- LASSERT(lcfg);
-
- buflen = lustre_cfg_len(lcfg->lcfg_bufcount,
- lcfg->lcfg_buflens);
- rec.lrh_len = llog_data_len(buflen);
- rec.lrh_type = OBD_CFG_REC;
- rc = llog_write_rec(NULL, llh, &rec, NULL, 0, (void *)lcfg, -1);
- if (rc)
- CERROR("failed to write a rec: rc = %d\n", rc);
- lustre_cfg_free(lcfg);
- }
- return 0;
-}
-
-static int sptlrpc_record_rules(struct llog_handle *llh,
- struct sptlrpc_conf *conf)
-{
- struct sptlrpc_conf_tgt *conf_tgt;
-
- sptlrpc_record_rule_set(llh, conf->sc_fsname, &conf->sc_rset);
-
- cfs_list_for_each_entry(conf_tgt, &conf->sc_tgts, sct_list) {
- sptlrpc_record_rule_set(llh, conf_tgt->sct_name,
- &conf_tgt->sct_rset);
- }
- return 0;
-}
-
-#define LOG_SPTLRPC_TMP "sptlrpc.tmp"
-#define LOG_SPTLRPC "sptlrpc"
-
-static
-int sptlrpc_target_local_copy_conf(struct obd_device *obd,
- struct sptlrpc_conf *conf)
-{
- struct llog_handle *llh = NULL;
- struct llog_ctxt *ctxt;
- struct lvfs_run_ctxt saved;
- struct dentry *dentry;
- int rc;
- ENTRY;
-
- ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- if (ctxt == NULL) {
- CERROR("missing llog context\n");
- RETURN(-EINVAL);
- }
-
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- dentry = ll_lookup_one_len(MOUNT_CONFIGS_DIR, cfs_fs_pwd(current->fs),
- strlen(MOUNT_CONFIGS_DIR));
- if (IS_ERR(dentry)) {
- rc = PTR_ERR(dentry);
- CERROR("cannot lookup %s directory: rc = %d\n",
- MOUNT_CONFIGS_DIR, rc);
- GOTO(out_ctx, rc);
- }
-
- /* erase the old tmp log */
- rc = llog_create(NULL, ctxt, &llh, NULL, LOG_SPTLRPC_TMP);
- if (rc == 0) {
- rc = llog_init_handle(NULL, llh, LLOG_F_IS_PLAIN, NULL);
- if (rc == 0) {
- rc = llog_destroy(NULL, llh);
- llog_free_handle(llh);
- } else {
- llog_close(NULL, llh);
- }
- }
-
- if (rc) {
- CERROR("target %s: cannot erase temporary sptlrpc log: "
- "rc = %d\n", obd->obd_name, rc);
- GOTO(out_dput, rc);
- }
-
- /* write temporary log */
- rc = llog_create(NULL, ctxt, &llh, NULL, LOG_SPTLRPC_TMP);
- if (rc)
- GOTO(out_dput, rc);
- rc = llog_init_handle(NULL, llh, LLOG_F_IS_PLAIN, NULL);
- if (rc)
- GOTO(out_close, rc);
-
- rc = sptlrpc_record_rules(llh, conf);
-
-out_close:
- llog_close(NULL, llh);
-
- if (rc == 0) {
- rc = lustre_rename(dentry, obd->obd_lvfs_ctxt.pwdmnt,
- LOG_SPTLRPC_TMP, LOG_SPTLRPC);
- }
-
-out_dput:
- l_dput(dentry);
-out_ctx:
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- CDEBUG(D_SEC, "target %s: write local sptlrpc conf: rc = %d\n",
- obd->obd_name, rc);
- RETURN(rc);
-}
-
-static int local_read_handler(const struct lu_env *env,
- struct llog_handle *llh,
- struct llog_rec_hdr *rec, void *data)
-{
- struct sptlrpc_conf *conf = (struct sptlrpc_conf *) data;
- struct lustre_cfg *lcfg = (struct lustre_cfg *)(rec + 1);
- int cfg_len, rc;
- ENTRY;
-
- if (rec->lrh_type != OBD_CFG_REC) {
- CERROR("unhandled lrh_type: %#x\n", rec->lrh_type);
- RETURN(-EINVAL);
- }
-
- cfg_len = rec->lrh_len - sizeof(struct llog_rec_hdr) -
- sizeof(struct llog_rec_tail);
-
- rc = lustre_cfg_sanity_check(lcfg, cfg_len);
- if (rc) {
- CERROR("Insane cfg\n");
- RETURN(rc);
- }
-
- if (lcfg->lcfg_command != LCFG_SPTLRPC_CONF) {
- CERROR("invalid command (%x)\n", lcfg->lcfg_command);
- RETURN(-EINVAL);
- }
-
- RETURN(__sptlrpc_process_config(lcfg, conf));
-}
-
-static
-int sptlrpc_target_local_read_conf(struct obd_device *obd,
- struct sptlrpc_conf *conf)
-{
- struct llog_handle *llh = NULL;
- struct llog_ctxt *ctxt;
- struct lvfs_run_ctxt saved;
- int rc;
- ENTRY;
-
- LASSERT(conf->sc_updated == 0 && conf->sc_local == 0);
-
- ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- if (ctxt == NULL) {
- CERROR("missing llog context\n");
- RETURN(-EINVAL);
- }
-
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- rc = llog_create(NULL, ctxt, &llh, NULL, LOG_SPTLRPC);
- if (rc)
- GOTO(out_pop, rc);
-
- rc = llog_init_handle(NULL, llh, LLOG_F_IS_PLAIN, NULL);
- if (rc)
- GOTO(out_close, rc);
-
- if (llog_get_size(llh) <= 1) {
- CDEBUG(D_SEC, "no local sptlrpc copy found\n");
- GOTO(out_close, rc = 0);
- }
-
- rc = llog_process(NULL, llh, local_read_handler, (void *)conf, NULL);
-
- if (rc == 0) {
- conf->sc_local = 1;
- } else {
- sptlrpc_conf_free_rsets(conf);
- }
-
-out_close:
- llog_close(NULL, llh);
-out_pop:
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- CDEBUG(D_SEC, "target %s: read local sptlrpc conf: rc = %d\n",
- obd->obd_name, rc);
- RETURN(rc);
-}
-
-#endif /* __KRENEL__ */
-