int
sli_rmi_setmds(const char *name)
{
struct slashrpc_cservice *csvc;
struct sl_resource *res;
// struct sl_resm *old;
lnet_nid_t nid;
/* XXX kill any old MDS and purge any bmap updates being held */
// slconnthr_unwatch(rmi_resm->resm_csvc);
// old = rmi_resm;
// sl_csvc_disable(old->resm_csvc);
nid = libcfs_str2nid(name);
if (nid == LNET_NID_ANY) {
res = libsl_str2res(name);
if (res == NULL)
return (SLERR_RES_UNKNOWN);
rmi_resm = psc_dynarray_getpos(&res->res_members, 0);
} else
rmi_resm = libsl_nid2resm(nid);
if (sli_rmi_getcsvc(&csvc))
psclog_errorx("error connecting to MDS");
else {
slconnthr_watch(sliconnthr, csvc, CSVCF_PING, NULL,
NULL);
sl_csvc_decref(csvc);
}
return (0);
}
int
msl_fcmh_fetch_inode(struct fidc_membh *f)
{
struct slrpc_cservice *csvc = NULL;
struct pscrpc_request *rq = NULL;
struct srm_get_inode_req *mq;
struct srm_get_inode_rep *mp;
struct fcmh_cli_info *fci;
int rc;
fci = fcmh_2_fci(f);
rc = slc_rmc_getcsvc(fci->fci_resm, &csvc);
if (rc)
goto out;
rc = SL_RSX_NEWREQ(csvc, SRMT_GET_INODE, rq, mq, mp);
if (rc)
goto out;
mq->fg = f->fcmh_fg;
rc = SL_RSX_WAITREP(csvc, rq, mp);
if (rc == 0)
rc = mp->rc;
if (rc)
goto out;
FCMH_LOCK(f);
msl_fcmh_stash_inode(f, &mp->ino);
FCMH_ULOCK(f);
out:
if (rq)
pscrpc_req_finished(rq);
if (csvc)
sl_csvc_decref(csvc);
return (rc);
}
/*
* Forward a name space operation to a remote MDS first before
* replicating the operation locally by our callers.
*/
int
slm_rmm_forward_namespace(int op, struct sl_fidgen *fg,
struct sl_fidgen *nfg, char *name, char *newname, uint32_t mode,
const struct slash_creds *crp, struct srt_stat *sstb,
int32_t to_set)
{
struct slashrpc_cservice *csvc = NULL;
struct pscrpc_request *rq = NULL;
struct sl_resm *resm = NULL;
struct srm_forward_req *mq;
struct srm_forward_rep *mp;
struct sl_resource *res;
struct sl_site *site;
int rc, len, i, vfsid;
sl_siteid_t siteid;
if (op != SLM_FORWARD_MKDIR && op != SLM_FORWARD_RMDIR &&
op != SLM_FORWARD_CREATE && op != SLM_FORWARD_UNLINK &&
op != SLM_FORWARD_RENAME && op != SLM_FORWARD_SETATTR &&
op != SLM_FORWARD_SYMLINK)
return (-PFLERR_NOSYS);
rc = slfid_to_vfsid(fg->fg_fid, &vfsid);
if (rc)
return (rc);
siteid = FID_GET_SITEID(fg->fg_fid);
site = libsl_siteid2site(siteid);
if (site == NULL)
return (-EBADF);
SITE_FOREACH_RES(site, res, i) {
if (res->res_type != SLREST_MDS)
continue;
resm = psc_dynarray_getpos(&res->res_members, 0);
break;
}
csvc = slm_getmcsvc_wait(resm);
if (csvc == NULL) {
psclog_info("unable to connect to site %d", siteid);
return (-EIO);
}
rc = SL_RSX_NEWREQ(csvc, SRMT_NAMESPACE_FORWARD, rq, mq, mp);
if (rc)
goto out;
mq->op = op;
mq->fg = *fg;
if (op == SLM_FORWARD_SETATTR) {
mq->to_set = to_set;
mq->req.sstb = *sstb;
} else
strlcpy(mq->req.name, name, sizeof(mq->req.name));
if (op == SLM_FORWARD_RENAME || op == SLM_FORWARD_SYMLINK) {
if (op == SLM_FORWARD_RENAME)
mq->nfg = *nfg;
len = strlen(name) + 1;
strlcpy(mq->req.name + len, newname,
sizeof(mq->req.name) - len);
}
if (op == SLM_FORWARD_MKDIR ||
op == SLM_FORWARD_CREATE ||
op == SLM_FORWARD_SYMLINK) {
mq->mode = mode;
mq->creds.scr_uid = crp->scr_uid;
mq->creds.scr_gid = crp->scr_gid;
}
rc = SL_RSX_WAITREP(csvc, rq, mp);
if (!rc)
rc = mp->rc;
if (!rc && sstb)
*sstb = mp->attr;
out:
if (rq)
pscrpc_req_finished(rq);
if (csvc)
sl_csvc_decref(csvc);
return (rc);
}
int
sli_rmi_issue_repl_schedwk(struct sli_repl_workrq *w)
{
struct slashrpc_cservice *csvc = NULL;
struct pscrpc_request *rq = NULL;
int rc;
if (w->srw_op == SLI_REPLWKOP_REPL) {
w->srw_pp->rc = w->srw_status;
if (psc_atomic32_inc_getnew(&w->srw_bchrp->ndone) <
w->srw_bchrp->total)
return (0);
}
rc = sli_rmi_getcsvc(&csvc);
if (rc)
goto out;
if (w->srw_op == SLI_REPLWKOP_PTRUNC) {
struct srm_bmap_ptrunc_req *mq;
struct srm_bmap_ptrunc_rep *mp;
rc = SL_RSX_NEWREQ(csvc, SRMT_BMAP_PTRUNC, rq, mq,
mp);
if (rc)
goto out;
mq->bmapno = w->srw_bmapno;
mq->bgen = w->srw_bgen;
mq->rc = w->srw_status;
mq->fg = w->srw_fg;
rc = SL_RSX_WAITREP(csvc, rq, mp);
if (rc == 0)
rc = mp->rc;
} else {
struct srm_batch_req *mq;
struct srm_batch_rep *mp;
struct iovec iov;
rc = SL_RSX_NEWREQ(csvc, SRMT_BATCH_RP, rq, mq, mp);
if (rc)
goto out;
mq->opc = SRMT_REPL_SCHEDWK;
mq->len = w->srw_bchrp->total * sizeof(*w->srw_pp);
mq->bid = w->srw_bchrp->id;
iov.iov_base = w->srw_bchrp->buf;
iov.iov_len = mq->len;
rc = slrpc_bulkclient(rq, BULK_GET_SOURCE, SRMI_BULK_PORTAL,
&iov, 1);
if (rc == 0)
rc = SL_RSX_WAITREP(csvc, rq, mp);
if (rc == 0)
rc = mp->rc;
}
if (w->srw_status)
psclog_errorx("sent error rc=%d", w->srw_status);
out:
if (rq)
pscrpc_req_finished(rq);
if (csvc)
sl_csvc_decref(csvc);
return (rc);
}