Lines Matching refs:mirror
251 struct nfs4_ff_layout_mirror *mirror, u64 offset,
260 if (IS_ERR_OR_NULL(mirror->mirror_ds))
272 nfs4_stateid_copy(&dserr->stateid, &mirror->stateid);
273 memcpy(&dserr->deviceid, &mirror->mirror_ds->id_node.deviceid,
283 ff_layout_get_mirror_cred(struct nfs4_ff_layout_mirror *mirror, u32 iomode)
288 pcred = &mirror->ro_cred;
290 pcred = &mirror->rw_cred;
305 nfs4_ff_layout_select_ds_fh(struct nfs4_ff_layout_mirror *mirror)
308 return &mirror->fh_versions[0];
312 nfs4_ff_layout_select_ds_stateid(const struct nfs4_ff_layout_mirror *mirror,
315 if (nfs4_ff_layout_ds_version(mirror) == 4)
316 nfs4_stateid_copy(stateid, &mirror->stateid);
321 struct nfs4_ff_layout_mirror *mirror)
323 if (mirror == NULL)
325 if (mirror->mirror_ds == NULL) {
330 &mirror->devid, lo->plh_lc_cred,
336 if (cmpxchg(&mirror->mirror_ds, NULL, mirror_ds) &&
341 if (IS_ERR(mirror->mirror_ds))
352 * @mirror: layout mirror describing the DS to use
356 * selecting a mirror to use and connecting the client to it if it's not
359 * Since we only need a single functioning mirror to satisfy a read, we don't
361 * mirror should result in a LAYOUTRETURN. @fail_return is how we distinguish
368 struct nfs4_ff_layout_mirror *mirror,
377 if (!ff_layout_init_mirror_ds(lseg->pls_layout, mirror))
380 ds = mirror->mirror_ds->ds;
389 status = nfs4_pnfs_ds_connect(s, ds, &mirror->mirror_ds->id_node,
391 mirror->mirror_ds->ds_versions[0].version,
392 mirror->mirror_ds->ds_versions[0].minor_version);
399 if (mirror->mirror_ds->ds_versions[0].rsize > max_payload)
400 mirror->mirror_ds->ds_versions[0].rsize = max_payload;
401 if (mirror->mirror_ds->ds_versions[0].wsize > max_payload)
402 mirror->mirror_ds->ds_versions[0].wsize = max_payload;
407 mirror, lseg->pls_range.offset,
419 ff_layout_get_ds_cred(struct nfs4_ff_layout_mirror *mirror,
425 if (mirror && !mirror->mirror_ds->ds_versions[0].tightly_coupled) {
426 cred = ff_layout_get_mirror_cred(mirror, range->iomode);
437 * @mirror: pointer to the mirror
445 nfs4_ff_find_or_create_ds_client(struct nfs4_ff_layout_mirror *mirror,
448 switch (mirror->mirror_ds->ds_versions[0].version) {
552 struct nfs4_ff_layout_mirror *mirror;
557 mirror = FF_LAYOUT_COMP(lseg, idx);
558 if (mirror) {
559 if (!mirror->mirror_ds)
561 if (IS_ERR(mirror->mirror_ds))
563 devid = &mirror->mirror_ds->id_node;
574 struct nfs4_ff_layout_mirror *mirror;
579 mirror = FF_LAYOUT_COMP(lseg, idx);
580 if (!mirror || IS_ERR(mirror->mirror_ds))
582 if (!mirror->mirror_ds)
584 devid = &mirror->mirror_ds->id_node;