Lines Matching +full:data +full:- +full:mirror
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2014, Primary Data, Inc. All rights reserved.
50 struct nfs4_ff_layout_mirror *mirror);
59 pnfs_init_ds_commit_info(&ffl->commit_info); in ff_layout_alloc_layout_hdr()
60 INIT_LIST_HEAD(&ffl->error_list); in ff_layout_alloc_layout_hdr()
61 INIT_LIST_HEAD(&ffl->mirrors); in ff_layout_alloc_layout_hdr()
62 ffl->last_report_time = ktime_get(); in ff_layout_alloc_layout_hdr()
63 ffl->commit_info.ops = &ff_layout_commit_ops; in ff_layout_alloc_layout_hdr()
64 return &ffl->generic_hdr; in ff_layout_alloc_layout_hdr()
75 list_for_each_entry_safe(err, n, &ffl->error_list, list) { in ff_layout_free_layout_hdr()
76 list_del(&err->list); in ff_layout_free_layout_hdr()
88 return -ENOBUFS; in decode_pnfs_stateid()
89 stateid->type = NFS4_PNFS_DS_STATEID_TYPE; in decode_pnfs_stateid()
90 memcpy(stateid->data, p, NFS4_STATEID_SIZE); in decode_pnfs_stateid()
102 return -ENOBUFS; in decode_deviceid()
114 return -ENOBUFS; in decode_nfs_fh()
115 fh->size = be32_to_cpup(p++); in decode_nfs_fh()
116 if (fh->size > NFS_MAXFHSIZE) { in decode_nfs_fh()
118 fh->size); in decode_nfs_fh()
119 return -EOVERFLOW; in decode_nfs_fh()
121 /* fh.data */ in decode_nfs_fh()
122 p = xdr_inline_decode(xdr, fh->size); in decode_nfs_fh()
124 return -ENOBUFS; in decode_nfs_fh()
125 memcpy(&fh->data, p, fh->size); in decode_nfs_fh()
126 dprintk("%s: fh len %d\n", __func__, fh->size); in decode_nfs_fh()
148 return -ENOBUFS; in decode_name()
151 return -EINVAL; in decode_name()
158 return -ENOBUFS; in decode_name()
161 return -EINVAL; in decode_name()
172 struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, ds_idx); in ff_local_open_fh() local
174 return nfs_local_open_fh(clp, cred, fh, &mirror->nfl, mode); in ff_local_open_fh()
185 if (m1->fh_versions_cnt != m2->fh_versions_cnt) in ff_mirror_match_fh()
187 for (i = 0; i < m1->fh_versions_cnt; i++) { in ff_mirror_match_fh()
189 for (j = 0; j < m2->fh_versions_cnt; j++) { in ff_mirror_match_fh()
190 if (nfs_compare_fh(&m1->fh_versions[i], in ff_mirror_match_fh()
191 &m2->fh_versions[j]) == 0) { in ff_mirror_match_fh()
204 struct nfs4_ff_layout_mirror *mirror) in ff_layout_add_mirror() argument
208 struct inode *inode = lo->plh_inode; in ff_layout_add_mirror()
210 spin_lock(&inode->i_lock); in ff_layout_add_mirror()
211 list_for_each_entry(pos, &ff_layout->mirrors, mirrors) { in ff_layout_add_mirror()
212 if (memcmp(&mirror->devid, &pos->devid, sizeof(pos->devid)) != 0) in ff_layout_add_mirror()
214 if (!ff_mirror_match_fh(mirror, pos)) in ff_layout_add_mirror()
216 if (refcount_inc_not_zero(&pos->ref)) { in ff_layout_add_mirror()
217 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
221 list_add(&mirror->mirrors, &ff_layout->mirrors); in ff_layout_add_mirror()
222 mirror->layout = lo; in ff_layout_add_mirror()
223 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
224 return mirror; in ff_layout_add_mirror()
228 ff_layout_remove_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_remove_mirror() argument
231 if (mirror->layout == NULL) in ff_layout_remove_mirror()
233 inode = mirror->layout->plh_inode; in ff_layout_remove_mirror()
234 spin_lock(&inode->i_lock); in ff_layout_remove_mirror()
235 list_del(&mirror->mirrors); in ff_layout_remove_mirror()
236 spin_unlock(&inode->i_lock); in ff_layout_remove_mirror()
237 mirror->layout = NULL; in ff_layout_remove_mirror()
242 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_mirror() local
244 mirror = kzalloc(sizeof(*mirror), gfp_flags); in ff_layout_alloc_mirror()
245 if (mirror != NULL) { in ff_layout_alloc_mirror()
246 spin_lock_init(&mirror->lock); in ff_layout_alloc_mirror()
247 refcount_set(&mirror->ref, 1); in ff_layout_alloc_mirror()
248 INIT_LIST_HEAD(&mirror->mirrors); in ff_layout_alloc_mirror()
249 nfs_localio_file_init(&mirror->nfl); in ff_layout_alloc_mirror()
251 return mirror; in ff_layout_alloc_mirror()
254 static void ff_layout_free_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_free_mirror() argument
258 ff_layout_remove_mirror(mirror); in ff_layout_free_mirror()
259 kfree(mirror->fh_versions); in ff_layout_free_mirror()
260 nfs_close_local_fh(&mirror->nfl); in ff_layout_free_mirror()
261 cred = rcu_access_pointer(mirror->ro_cred); in ff_layout_free_mirror()
263 cred = rcu_access_pointer(mirror->rw_cred); in ff_layout_free_mirror()
265 nfs4_ff_layout_put_deviceid(mirror->mirror_ds); in ff_layout_free_mirror()
266 kfree(mirror); in ff_layout_free_mirror()
269 static void ff_layout_put_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_put_mirror() argument
271 if (mirror != NULL && refcount_dec_and_test(&mirror->ref)) in ff_layout_put_mirror()
272 ff_layout_free_mirror(mirror); in ff_layout_put_mirror()
279 for (i = 0; i < fls->mirror_array_cnt; i++) in ff_layout_free_mirror_array()
280 ff_layout_put_mirror(fls->mirror_array[i]); in ff_layout_free_mirror_array()
299 if (fl1->mirror_array_cnt != fl2->mirror_array_cnt) in ff_lseg_match_mirrors()
301 for (i = 0; i < fl1->mirror_array_cnt; i++) { in ff_lseg_match_mirrors()
302 if (fl1->mirror_array[i] != fl2->mirror_array[i]) in ff_lseg_match_mirrors()
314 if (l1->iomode != l2->iomode) in ff_lseg_range_is_after()
315 return l1->iomode != IOMODE_READ; in ff_lseg_range_is_after()
316 end1 = pnfs_calc_offset_end(l1->offset, l1->length); in ff_lseg_range_is_after()
317 end2 = pnfs_calc_offset_end(l2->offset, l2->length); in ff_lseg_range_is_after()
318 if (end1 < l2->offset) in ff_lseg_range_is_after()
320 if (end2 < l1->offset) in ff_lseg_range_is_after()
322 return l2->offset <= l1->offset; in ff_lseg_range_is_after()
331 if (test_bit(NFS_LSEG_LAYOUTRETURN, &old->pls_flags)) in ff_lseg_merge()
333 if (new->pls_range.iomode != old->pls_range.iomode) in ff_lseg_merge()
335 old_end = pnfs_calc_offset_end(old->pls_range.offset, in ff_lseg_merge()
336 old->pls_range.length); in ff_lseg_merge()
337 if (old_end < new->pls_range.offset) in ff_lseg_merge()
339 new_end = pnfs_calc_offset_end(new->pls_range.offset, in ff_lseg_merge()
340 new->pls_range.length); in ff_lseg_merge()
341 if (new_end < old->pls_range.offset) in ff_lseg_merge()
349 if (new->pls_range.offset < old->pls_range.offset) in ff_lseg_merge()
350 new->pls_range.offset = old->pls_range.offset; in ff_lseg_merge()
351 new->pls_range.length = pnfs_calc_offset_length(new->pls_range.offset, in ff_lseg_merge()
353 if (test_bit(NFS_LSEG_ROC, &old->pls_flags)) in ff_lseg_merge()
354 set_bit(NFS_LSEG_ROC, &new->pls_flags); in ff_lseg_merge()
373 for (i = 0; i < fls->mirror_array_cnt - 1; i++) { in ff_layout_sort_mirrors()
374 for (j = i + 1; j < fls->mirror_array_cnt; j++) in ff_layout_sort_mirrors()
375 if (fls->mirror_array[i]->efficiency < in ff_layout_sort_mirrors()
376 fls->mirror_array[j]->efficiency) in ff_layout_sort_mirrors()
377 swap(fls->mirror_array[i], in ff_layout_sort_mirrors()
378 fls->mirror_array[j]); in ff_layout_sort_mirrors()
397 dprintk("--> %s\n", __func__); in ff_layout_alloc_lseg()
400 return ERR_PTR(-ENOMEM); in ff_layout_alloc_lseg()
402 xdr_init_decode_pages(&stream, &buf, lgr->layoutp->pages, in ff_layout_alloc_lseg()
403 lgr->layoutp->len); in ff_layout_alloc_lseg()
407 rc = -EIO; in ff_layout_alloc_lseg()
421 rc = -ENOMEM; in ff_layout_alloc_lseg()
427 fls->mirror_array_cnt = mirror_array_cnt; in ff_layout_alloc_lseg()
428 fls->stripe_unit = stripe_unit; in ff_layout_alloc_lseg()
430 for (i = 0; i < fls->mirror_array_cnt; i++) { in ff_layout_alloc_lseg()
431 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_lseg() local
439 rc = -EIO; in ff_layout_alloc_lseg()
449 fls->mirror_array[i] = ff_layout_alloc_mirror(gfp_flags); in ff_layout_alloc_lseg()
450 if (fls->mirror_array[i] == NULL) { in ff_layout_alloc_lseg()
451 rc = -ENOMEM; in ff_layout_alloc_lseg()
455 fls->mirror_array[i]->ds_count = ds_count; in ff_layout_alloc_lseg()
458 rc = decode_deviceid(&stream, &fls->mirror_array[i]->devid); in ff_layout_alloc_lseg()
463 rc = -EIO; in ff_layout_alloc_lseg()
467 fls->mirror_array[i]->efficiency = be32_to_cpup(p); in ff_layout_alloc_lseg()
470 rc = decode_pnfs_stateid(&stream, &fls->mirror_array[i]->stateid); in ff_layout_alloc_lseg()
475 rc = -EIO; in ff_layout_alloc_lseg()
481 fls->mirror_array[i]->fh_versions = in ff_layout_alloc_lseg()
484 if (fls->mirror_array[i]->fh_versions == NULL) { in ff_layout_alloc_lseg()
485 rc = -ENOMEM; in ff_layout_alloc_lseg()
491 &fls->mirror_array[i]->fh_versions[j]); in ff_layout_alloc_lseg()
496 fls->mirror_array[i]->fh_versions_cnt = fh_count; in ff_layout_alloc_lseg()
519 rc = -ENOMEM; in ff_layout_alloc_lseg()
522 kcred->fsuid = uid; in ff_layout_alloc_lseg()
523 kcred->fsgid = gid; in ff_layout_alloc_lseg()
526 if (lgr->range.iomode == IOMODE_READ) in ff_layout_alloc_lseg()
527 rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred); in ff_layout_alloc_lseg()
529 rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred); in ff_layout_alloc_lseg()
531 mirror = ff_layout_add_mirror(lh, fls->mirror_array[i]); in ff_layout_alloc_lseg()
532 if (mirror != fls->mirror_array[i]) { in ff_layout_alloc_lseg()
534 if (lgr->range.iomode == IOMODE_READ) { in ff_layout_alloc_lseg()
535 cred = xchg(&mirror->ro_cred, cred); in ff_layout_alloc_lseg()
536 rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred); in ff_layout_alloc_lseg()
538 cred = xchg(&mirror->rw_cred, cred); in ff_layout_alloc_lseg()
539 rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred); in ff_layout_alloc_lseg()
541 ff_layout_free_mirror(fls->mirror_array[i]); in ff_layout_alloc_lseg()
542 fls->mirror_array[i] = mirror; in ff_layout_alloc_lseg()
546 lgr->range.iomode == IOMODE_READ ? "READ" : "RW", in ff_layout_alloc_lseg()
554 fls->flags = be32_to_cpup(p); in ff_layout_alloc_lseg()
559 for (i=0; i < fls->mirror_array_cnt; i++) in ff_layout_alloc_lseg()
560 fls->mirror_array[i]->report_interval = be32_to_cpup(p); in ff_layout_alloc_lseg()
564 ret = &fls->generic_hdr; in ff_layout_alloc_lseg()
565 dprintk("<-- %s (success)\n", __func__); in ff_layout_alloc_lseg()
572 dprintk("<-- %s (%d)\n", __func__, rc); in ff_layout_alloc_lseg()
581 dprintk("--> %s\n", __func__); in ff_layout_free_lseg()
583 if (lseg->pls_range.iomode == IOMODE_RW) { in ff_layout_free_lseg()
587 ffl = FF_LAYOUT_FROM_HDR(lseg->pls_layout); in ff_layout_free_lseg()
588 inode = ffl->generic_hdr.plh_inode; in ff_layout_free_lseg()
589 spin_lock(&inode->i_lock); in ff_layout_free_lseg()
590 pnfs_generic_ds_cinfo_release_lseg(&ffl->commit_info, lseg); in ff_layout_free_lseg()
591 spin_unlock(&inode->i_lock); in ff_layout_free_lseg()
600 if (atomic_inc_return(&timer->n_ops) == 1) { in nfs4_ff_start_busy_timer()
601 timer->start_time = now; in nfs4_ff_start_busy_timer()
610 if (atomic_dec_return(&timer->n_ops) < 0) in nfs4_ff_end_busy_timer()
613 start = timer->start_time; in nfs4_ff_end_busy_timer()
614 timer->start_time = now; in nfs4_ff_end_busy_timer()
619 nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layoutstat_start_io() argument
624 struct nfs4_flexfile_layout *ffl = FF_LAYOUT_FROM_HDR(mirror->layout); in nfs4_ff_layoutstat_start_io()
626 nfs4_ff_start_busy_timer(&layoutstat->busy_timer, now); in nfs4_ff_layoutstat_start_io()
627 if (!mirror->start_time) in nfs4_ff_layoutstat_start_io()
628 mirror->start_time = now; in nfs4_ff_layoutstat_start_io()
629 if (mirror->report_interval != 0) in nfs4_ff_layoutstat_start_io()
630 report_interval = (s64)mirror->report_interval * 1000LL; in nfs4_ff_layoutstat_start_io()
633 if (ktime_to_ms(ktime_sub(now, ffl->last_report_time)) >= in nfs4_ff_layoutstat_start_io()
635 ffl->last_report_time = now; in nfs4_ff_layoutstat_start_io()
646 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_requested()
648 iostat->ops_requested++; in nfs4_ff_layout_stat_io_update_requested()
649 iostat->bytes_requested += requested; in nfs4_ff_layout_stat_io_update_requested()
659 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_completed()
663 iostat->ops_completed++; in nfs4_ff_layout_stat_io_update_completed()
664 iostat->bytes_completed += completed; in nfs4_ff_layout_stat_io_update_completed()
665 iostat->bytes_not_delivered += requested - completed; in nfs4_ff_layout_stat_io_update_completed()
667 timer = nfs4_ff_end_busy_timer(&layoutstat->busy_timer, time_completed); in nfs4_ff_layout_stat_io_update_completed()
668 iostat->total_busy_time = in nfs4_ff_layout_stat_io_update_completed()
669 ktime_add(iostat->total_busy_time, timer); in nfs4_ff_layout_stat_io_update_completed()
670 iostat->aggregate_completion_time = in nfs4_ff_layout_stat_io_update_completed()
671 ktime_add(iostat->aggregate_completion_time, in nfs4_ff_layout_stat_io_update_completed()
677 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_read() argument
682 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
683 report = nfs4_ff_layoutstat_start_io(mirror, &mirror->read_stat, now); in nfs4_ff_layout_stat_io_start_read()
684 nfs4_ff_layout_stat_io_update_requested(&mirror->read_stat, requested); in nfs4_ff_layout_stat_io_start_read()
685 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_read()
686 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
694 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_read() argument
698 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
699 nfs4_ff_layout_stat_io_update_completed(&mirror->read_stat, in nfs4_ff_layout_stat_io_end_read()
701 ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_read()
702 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_read()
703 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
708 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_write() argument
713 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
714 report = nfs4_ff_layoutstat_start_io(mirror , &mirror->write_stat, now); in nfs4_ff_layout_stat_io_start_write()
715 nfs4_ff_layout_stat_io_update_requested(&mirror->write_stat, requested); in nfs4_ff_layout_stat_io_start_write()
716 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_write()
717 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
725 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_write() argument
733 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
734 nfs4_ff_layout_stat_io_update_completed(&mirror->write_stat, in nfs4_ff_layout_stat_io_end_write()
735 requested, completed, ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_write()
736 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_write()
737 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
764 struct nfs4_ff_layout_mirror *mirror; in ff_layout_choose_ds_for_read() local
769 for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) { in ff_layout_choose_ds_for_read()
770 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_choose_ds_for_read()
771 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, false); in ff_layout_choose_ds_for_read()
776 nfs4_test_deviceid_unavailable(&mirror->mirror_ds->id_node)) in ff_layout_choose_ds_for_read()
816 struct pnfs_layout_segment *lseg = pgio->pg_lseg; in ff_layout_get_ds_for_read()
819 ds = ff_layout_choose_best_ds_for_read(lseg, pgio->pg_mirror_idx, in ff_layout_get_ds_for_read()
821 if (ds || !pgio->pg_mirror_idx) in ff_layout_get_ds_for_read()
831 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_get_read()
832 pgio->pg_lseg = in ff_layout_pg_get_read()
833 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_get_read()
834 req_offset(req), req->wb_bytes, IOMODE_READ, in ff_layout_pg_get_read()
836 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_read()
837 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_read()
838 pgio->pg_lseg = NULL; in ff_layout_pg_get_read()
847 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_read() local
851 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_read()
853 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_read()
857 if (!pgio->pg_lseg) { in ff_layout_pg_init_read()
859 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
862 if (ff_layout_avoid_read_on_rw(pgio->pg_lseg)) { in ff_layout_pg_init_read()
864 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
868 req->wb_nio = 0; in ff_layout_pg_init_read()
872 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_read()
880 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx); in ff_layout_pg_init_read()
881 pgm = &pgio->pg_mirrors[0]; in ff_layout_pg_init_read()
882 pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize; in ff_layout_pg_init_read()
884 pgio->pg_mirror_idx = ds_idx; in ff_layout_pg_init_read()
887 if (pgio->pg_error < 0) { in ff_layout_pg_init_read()
888 if (pgio->pg_error != -EAGAIN) in ff_layout_pg_init_read()
890 /* Retry getting layout segment if lower layer returned -EAGAIN */ in ff_layout_pg_init_read()
891 if (pgio->pg_maxretrans && req->wb_nio++ > pgio->pg_maxretrans) { in ff_layout_pg_init_read()
892 if (NFS_SERVER(pgio->pg_inode)->flags & NFS_MOUNT_SOFTERR) in ff_layout_pg_init_read()
893 pgio->pg_error = -ETIMEDOUT; in ff_layout_pg_init_read()
895 pgio->pg_error = -EIO; in ff_layout_pg_init_read()
898 pgio->pg_error = 0; in ff_layout_pg_init_read()
904 trace_pnfs_mds_fallback_pg_init_read(pgio->pg_inode, in ff_layout_pg_init_read()
906 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_read()
907 pgio->pg_lseg); in ff_layout_pg_init_read()
908 pgio->pg_maxretrans = 0; in ff_layout_pg_init_read()
916 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_write() local
923 if (!pgio->pg_lseg) { in ff_layout_pg_init_write()
924 pgio->pg_lseg = in ff_layout_pg_init_write()
925 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_init_write()
926 req_offset(req), req->wb_bytes, in ff_layout_pg_init_write()
928 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_init_write()
929 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_init_write()
930 pgio->pg_lseg = NULL; in ff_layout_pg_init_write()
935 if (pgio->pg_lseg == NULL) in ff_layout_pg_init_write()
939 if (pgio->pg_mirror_count != FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg)) in ff_layout_pg_init_write()
942 for (i = 0; i < pgio->pg_mirror_count; i++) { in ff_layout_pg_init_write()
943 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i); in ff_layout_pg_init_write()
944 ds = nfs4_ff_layout_prepare_ds(pgio->pg_lseg, mirror, true); in ff_layout_pg_init_write()
946 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_write()
953 pgm = &pgio->pg_mirrors[i]; in ff_layout_pg_init_write()
954 pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].wsize; in ff_layout_pg_init_write()
957 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_write()
959 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_write()
963 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
966 trace_pnfs_mds_fallback_pg_init_write(pgio->pg_inode, in ff_layout_pg_init_write()
968 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_write()
969 pgio->pg_lseg); in ff_layout_pg_init_write()
970 pgio->pg_maxretrans = 0; in ff_layout_pg_init_write()
972 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
979 if (!pgio->pg_lseg) { in ff_layout_pg_get_mirror_count_write()
980 pgio->pg_lseg = in ff_layout_pg_get_mirror_count_write()
981 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_get_mirror_count_write()
982 req_offset(req), req->wb_bytes, in ff_layout_pg_get_mirror_count_write()
984 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_mirror_count_write()
985 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
986 pgio->pg_lseg = NULL; in ff_layout_pg_get_mirror_count_write()
990 if (pgio->pg_lseg) in ff_layout_pg_get_mirror_count_write()
991 return FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
993 trace_pnfs_mds_fallback_pg_get_mirror_count(pgio->pg_inode, in ff_layout_pg_get_mirror_count_write()
995 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_get_mirror_count_write()
996 pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
1006 u32 old = desc->pg_mirror_idx; in ff_layout_pg_set_mirror_write()
1008 desc->pg_mirror_idx = idx; in ff_layout_pg_set_mirror_write()
1015 return &desc->pg_mirrors[idx]; in ff_layout_pg_get_mirror_write()
1037 struct rpc_task *task = &hdr->task; in ff_layout_reset_write()
1039 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_write()
1044 hdr->task.tk_pid, in ff_layout_reset_write()
1045 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1046 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1047 hdr->args.count, in ff_layout_reset_write()
1048 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1050 hdr->completion_ops->reschedule_io(hdr); in ff_layout_reset_write()
1054 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_write()
1057 hdr->task.tk_pid, in ff_layout_reset_write()
1058 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1059 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1060 hdr->args.count, in ff_layout_reset_write()
1061 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1063 trace_pnfs_mds_fallback_write_done(hdr->inode, in ff_layout_reset_write()
1064 hdr->args.offset, hdr->args.count, in ff_layout_reset_write()
1065 IOMODE_RW, NFS_I(hdr->inode)->layout, in ff_layout_reset_write()
1066 hdr->lseg); in ff_layout_reset_write()
1067 task->tk_status = pnfs_write_done_resend_to_mds(hdr); in ff_layout_reset_write()
1073 u32 idx = hdr->pgio_mirror_idx + 1; in ff_layout_resend_pnfs_read()
1076 if (ff_layout_choose_any_ds_for_read(hdr->lseg, idx, &new_idx)) in ff_layout_resend_pnfs_read()
1077 ff_layout_send_layouterror(hdr->lseg); in ff_layout_resend_pnfs_read()
1079 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_resend_pnfs_read()
1085 struct rpc_task *task = &hdr->task; in ff_layout_reset_read()
1087 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_read()
1088 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_reset_read()
1090 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_read()
1093 hdr->task.tk_pid, in ff_layout_reset_read()
1094 hdr->inode->i_sb->s_id, in ff_layout_reset_read()
1095 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_read()
1096 hdr->args.count, in ff_layout_reset_read()
1097 (unsigned long long)hdr->args.offset); in ff_layout_reset_read()
1099 trace_pnfs_mds_fallback_read_done(hdr->inode, in ff_layout_reset_read()
1100 hdr->args.offset, hdr->args.count, in ff_layout_reset_read()
1101 IOMODE_READ, NFS_I(hdr->inode)->layout, in ff_layout_reset_read()
1102 hdr->lseg); in ff_layout_reset_read()
1103 task->tk_status = pnfs_read_done_resend_to_mds(hdr); in ff_layout_reset_read()
1113 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_async_handle_error_v4()
1114 struct inode *inode = lo->plh_inode; in ff_layout_async_handle_error_v4()
1116 struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table; in ff_layout_async_handle_error_v4()
1118 switch (task->tk_status) { in ff_layout_async_handle_error_v4()
1119 case -NFS4ERR_BADSESSION: in ff_layout_async_handle_error_v4()
1120 case -NFS4ERR_BADSLOT: in ff_layout_async_handle_error_v4()
1121 case -NFS4ERR_BAD_HIGH_SLOT: in ff_layout_async_handle_error_v4()
1122 case -NFS4ERR_DEADSESSION: in ff_layout_async_handle_error_v4()
1123 case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: in ff_layout_async_handle_error_v4()
1124 case -NFS4ERR_SEQ_FALSE_RETRY: in ff_layout_async_handle_error_v4()
1125 case -NFS4ERR_SEQ_MISORDERED: in ff_layout_async_handle_error_v4()
1127 "flags 0x%x\n", __func__, task->tk_status, in ff_layout_async_handle_error_v4()
1128 clp->cl_exchange_flags); in ff_layout_async_handle_error_v4()
1129 nfs4_schedule_session_recovery(clp->cl_session, task->tk_status); in ff_layout_async_handle_error_v4()
1131 case -NFS4ERR_DELAY: in ff_layout_async_handle_error_v4()
1132 case -NFS4ERR_GRACE: in ff_layout_async_handle_error_v4()
1135 case -NFS4ERR_RETRY_UNCACHED_REP: in ff_layout_async_handle_error_v4()
1138 case -NFS4ERR_PNFS_NO_LAYOUT: in ff_layout_async_handle_error_v4()
1139 case -ESTALE: /* mapped NFS4ERR_STALE */ in ff_layout_async_handle_error_v4()
1140 case -EBADHANDLE: /* mapped NFS4ERR_BADHANDLE */ in ff_layout_async_handle_error_v4()
1141 case -EISDIR: /* mapped NFS4ERR_ISDIR */ in ff_layout_async_handle_error_v4()
1142 case -NFS4ERR_FHEXPIRED: in ff_layout_async_handle_error_v4()
1143 case -NFS4ERR_WRONG_TYPE: in ff_layout_async_handle_error_v4()
1145 task->tk_status); in ff_layout_async_handle_error_v4()
1154 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1157 case -ENETDOWN: in ff_layout_async_handle_error_v4()
1158 case -ENETUNREACH: in ff_layout_async_handle_error_v4()
1159 if (test_bit(NFS_CS_NETUNREACH_FATAL, &clp->cl_flags)) in ff_layout_async_handle_error_v4()
1160 return -NFS4ERR_FATAL_IOERROR; in ff_layout_async_handle_error_v4()
1162 case -ECONNREFUSED: in ff_layout_async_handle_error_v4()
1163 case -EHOSTDOWN: in ff_layout_async_handle_error_v4()
1164 case -EHOSTUNREACH: in ff_layout_async_handle_error_v4()
1165 case -EIO: in ff_layout_async_handle_error_v4()
1166 case -ETIMEDOUT: in ff_layout_async_handle_error_v4()
1167 case -EPIPE: in ff_layout_async_handle_error_v4()
1168 case -EPROTO: in ff_layout_async_handle_error_v4()
1169 case -ENODEV: in ff_layout_async_handle_error_v4()
1171 task->tk_status); in ff_layout_async_handle_error_v4()
1172 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v4()
1173 &devid->deviceid); in ff_layout_async_handle_error_v4()
1174 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1178 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v4()
1181 task->tk_status); in ff_layout_async_handle_error_v4()
1182 return -NFS4ERR_RESET_TO_MDS; in ff_layout_async_handle_error_v4()
1184 task->tk_status = 0; in ff_layout_async_handle_error_v4()
1185 return -EAGAIN; in ff_layout_async_handle_error_v4()
1188 /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
1196 switch (task->tk_status) { in ff_layout_async_handle_error_v3()
1198 case -EACCES: in ff_layout_async_handle_error_v3()
1199 case -ESTALE: in ff_layout_async_handle_error_v3()
1200 case -EISDIR: in ff_layout_async_handle_error_v3()
1201 case -EBADHANDLE: in ff_layout_async_handle_error_v3()
1202 case -ELOOP: in ff_layout_async_handle_error_v3()
1203 case -ENOSPC: in ff_layout_async_handle_error_v3()
1205 case -EJUKEBOX: in ff_layout_async_handle_error_v3()
1206 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v3()
1208 case -ENETDOWN: in ff_layout_async_handle_error_v3()
1209 case -ENETUNREACH: in ff_layout_async_handle_error_v3()
1210 if (test_bit(NFS_CS_NETUNREACH_FATAL, &clp->cl_flags)) in ff_layout_async_handle_error_v3()
1211 return -NFS4ERR_FATAL_IOERROR; in ff_layout_async_handle_error_v3()
1215 task->tk_status); in ff_layout_async_handle_error_v3()
1216 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v3()
1217 &devid->deviceid); in ff_layout_async_handle_error_v3()
1220 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v3()
1222 task->tk_status = 0; in ff_layout_async_handle_error_v3()
1225 return -EAGAIN; in ff_layout_async_handle_error_v3()
1234 int vers = clp->cl_nfs_mod->rpc_vers->number; in ff_layout_async_handle_error()
1236 if (task->tk_status >= 0) { in ff_layout_async_handle_error()
1243 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error()
1262 struct nfs4_ff_layout_mirror *mirror; in ff_layout_io_track_ds_error() local
1268 case -ETIMEDOUT: in ff_layout_io_track_ds_error()
1269 case -EPFNOSUPPORT: in ff_layout_io_track_ds_error()
1270 case -EPROTONOSUPPORT: in ff_layout_io_track_ds_error()
1271 case -EOPNOTSUPP: in ff_layout_io_track_ds_error()
1272 case -EINVAL: in ff_layout_io_track_ds_error()
1273 case -ECONNREFUSED: in ff_layout_io_track_ds_error()
1274 case -ECONNRESET: in ff_layout_io_track_ds_error()
1275 case -EHOSTDOWN: in ff_layout_io_track_ds_error()
1276 case -EHOSTUNREACH: in ff_layout_io_track_ds_error()
1277 case -ENETDOWN: in ff_layout_io_track_ds_error()
1278 case -ENETUNREACH: in ff_layout_io_track_ds_error()
1279 case -EADDRINUSE: in ff_layout_io_track_ds_error()
1280 case -ENOBUFS: in ff_layout_io_track_ds_error()
1281 case -EPIPE: in ff_layout_io_track_ds_error()
1282 case -EPERM: in ff_layout_io_track_ds_error()
1283 case -EPROTO: in ff_layout_io_track_ds_error()
1284 case -ENODEV: in ff_layout_io_track_ds_error()
1287 case -EACCES: in ff_layout_io_track_ds_error()
1295 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_io_track_ds_error()
1296 err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout), in ff_layout_io_track_ds_error()
1297 mirror, offset, length, status, opnum, in ff_layout_io_track_ds_error()
1314 pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, in ff_layout_io_track_ds_error()
1327 if (task->tk_status < 0) { in ff_layout_read_done_cb()
1328 ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx, in ff_layout_read_done_cb()
1329 hdr->args.offset, hdr->args.count, in ff_layout_read_done_cb()
1330 &hdr->res.op_status, OP_READ, in ff_layout_read_done_cb()
1331 task->tk_status); in ff_layout_read_done_cb()
1332 trace_ff_layout_read_error(hdr, task->tk_status); in ff_layout_read_done_cb()
1335 err = ff_layout_async_handle_error(task, hdr->args.context->state, in ff_layout_read_done_cb()
1336 hdr->ds_clp, hdr->lseg, in ff_layout_read_done_cb()
1337 hdr->pgio_mirror_idx); in ff_layout_read_done_cb()
1340 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1341 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1343 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_read_done_cb()
1344 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1345 return task->tk_status; in ff_layout_read_done_cb()
1346 case -NFS4ERR_RESET_TO_MDS: in ff_layout_read_done_cb()
1347 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1348 return task->tk_status; in ff_layout_read_done_cb()
1349 case -EAGAIN: in ff_layout_read_done_cb()
1351 case -NFS4ERR_FATAL_IOERROR: in ff_layout_read_done_cb()
1352 task->tk_status = -EIO; in ff_layout_read_done_cb()
1359 return -EAGAIN; in ff_layout_read_done_cb()
1365 return !(FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_LAYOUTCOMMIT); in ff_layout_need_layoutcommit()
1374 * to follow http://www.rfc-editor.org/errata_search.php?rfc=5661&eid=2751
1386 dprintk("%s inode %lu pls_end_pos %llu\n", __func__, inode->i_ino, in ff_layout_set_layoutcommit()
1387 (unsigned long long) NFS_I(inode)->layout->plh_lwb); in ff_layout_set_layoutcommit()
1393 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_start()
1395 nfs4_ff_layout_stat_io_start_read(hdr->inode, in ff_layout_read_record_layoutstats_start()
1396 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_read_record_layoutstats_start()
1397 hdr->args.count, in ff_layout_read_record_layoutstats_start()
1398 task->tk_start); in ff_layout_read_record_layoutstats_start()
1404 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_done()
1407 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_read_record_layoutstats_done()
1408 hdr->args.count, in ff_layout_read_record_layoutstats_done()
1409 hdr->res.count); in ff_layout_read_record_layoutstats_done()
1410 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_read_record_layoutstats_done()
1416 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_read_prepare_common()
1417 rpc_exit(task, -EIO); in ff_layout_read_prepare_common()
1418 return -EIO; in ff_layout_read_prepare_common()
1421 if (!pnfs_is_valid_lseg(hdr->lseg)) { in ff_layout_read_prepare_common()
1422 rpc_exit(task, -EAGAIN); in ff_layout_read_prepare_common()
1423 return -EAGAIN; in ff_layout_read_prepare_common()
1435 static void ff_layout_read_prepare_v3(struct rpc_task *task, void *data) in ff_layout_read_prepare_v3() argument
1437 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v3()
1445 static void ff_layout_read_prepare_v4(struct rpc_task *task, void *data) in ff_layout_read_prepare_v4() argument
1447 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v4()
1449 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_read_prepare_v4()
1450 &hdr->args.seq_args, in ff_layout_read_prepare_v4()
1451 &hdr->res.seq_res, in ff_layout_read_prepare_v4()
1458 static void ff_layout_read_call_done(struct rpc_task *task, void *data) in ff_layout_read_call_done() argument
1460 struct nfs_pgio_header *hdr = data; in ff_layout_read_call_done()
1462 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_read_call_done()
1463 task->tk_status == 0) { in ff_layout_read_call_done()
1464 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_read_call_done()
1469 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_read_call_done()
1472 static void ff_layout_read_count_stats(struct rpc_task *task, void *data) in ff_layout_read_count_stats() argument
1474 struct nfs_pgio_header *hdr = data; in ff_layout_read_count_stats()
1478 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_READ]); in ff_layout_read_count_stats()
1481 static void ff_layout_read_release(void *data) in ff_layout_read_release() argument
1483 struct nfs_pgio_header *hdr = data; in ff_layout_read_release()
1485 ff_layout_read_record_layoutstats_done(&hdr->task, hdr); in ff_layout_read_release()
1486 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) in ff_layout_read_release()
1488 else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_read_release()
1490 pnfs_generic_rw_release(data); in ff_layout_read_release()
1500 if (task->tk_status < 0) { in ff_layout_write_done_cb()
1501 ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx, in ff_layout_write_done_cb()
1502 hdr->args.offset, hdr->args.count, in ff_layout_write_done_cb()
1503 &hdr->res.op_status, OP_WRITE, in ff_layout_write_done_cb()
1504 task->tk_status); in ff_layout_write_done_cb()
1505 trace_ff_layout_write_error(hdr, task->tk_status); in ff_layout_write_done_cb()
1508 err = ff_layout_async_handle_error(task, hdr->args.context->state, in ff_layout_write_done_cb()
1509 hdr->ds_clp, hdr->lseg, in ff_layout_write_done_cb()
1510 hdr->pgio_mirror_idx); in ff_layout_write_done_cb()
1513 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1514 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1516 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_write_done_cb()
1517 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1518 return task->tk_status; in ff_layout_write_done_cb()
1519 case -NFS4ERR_RESET_TO_MDS: in ff_layout_write_done_cb()
1520 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1521 return task->tk_status; in ff_layout_write_done_cb()
1522 case -EAGAIN: in ff_layout_write_done_cb()
1523 return -EAGAIN; in ff_layout_write_done_cb()
1524 case -NFS4ERR_FATAL_IOERROR: in ff_layout_write_done_cb()
1525 task->tk_status = -EIO; in ff_layout_write_done_cb()
1529 if (hdr->res.verf->committed == NFS_FILE_SYNC || in ff_layout_write_done_cb()
1530 hdr->res.verf->committed == NFS_DATA_SYNC) in ff_layout_write_done_cb()
1531 end_offs = hdr->mds_offset + (loff_t)hdr->res.count; in ff_layout_write_done_cb()
1534 ff_layout_set_layoutcommit(hdr->inode, hdr->lseg, end_offs); in ff_layout_write_done_cb()
1537 hdr->fattr.valid = 0; in ff_layout_write_done_cb()
1538 if (task->tk_status >= 0) in ff_layout_write_done_cb()
1545 struct nfs_commit_data *data) in ff_layout_commit_done_cb() argument
1549 if (task->tk_status < 0) { in ff_layout_commit_done_cb()
1550 ff_layout_io_track_ds_error(data->lseg, data->ds_commit_index, in ff_layout_commit_done_cb()
1551 data->args.offset, data->args.count, in ff_layout_commit_done_cb()
1552 &data->res.op_status, OP_COMMIT, in ff_layout_commit_done_cb()
1553 task->tk_status); in ff_layout_commit_done_cb()
1554 trace_ff_layout_commit_error(data, task->tk_status); in ff_layout_commit_done_cb()
1557 err = ff_layout_async_handle_error(task, NULL, data->ds_clp, in ff_layout_commit_done_cb()
1558 data->lseg, data->ds_commit_index); in ff_layout_commit_done_cb()
1560 trace_nfs4_pnfs_commit_ds(data, err); in ff_layout_commit_done_cb()
1562 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_commit_done_cb()
1563 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1564 return -EAGAIN; in ff_layout_commit_done_cb()
1565 case -NFS4ERR_RESET_TO_MDS: in ff_layout_commit_done_cb()
1566 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1567 return -EAGAIN; in ff_layout_commit_done_cb()
1568 case -EAGAIN: in ff_layout_commit_done_cb()
1570 return -EAGAIN; in ff_layout_commit_done_cb()
1571 case -NFS4ERR_FATAL_IOERROR: in ff_layout_commit_done_cb()
1572 task->tk_status = -EIO; in ff_layout_commit_done_cb()
1576 ff_layout_set_layoutcommit(data->inode, data->lseg, data->lwb); in ff_layout_commit_done_cb()
1584 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_start()
1586 nfs4_ff_layout_stat_io_start_write(hdr->inode, in ff_layout_write_record_layoutstats_start()
1587 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_write_record_layoutstats_start()
1588 hdr->args.count, in ff_layout_write_record_layoutstats_start()
1589 task->tk_start); in ff_layout_write_record_layoutstats_start()
1595 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_done()
1598 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_write_record_layoutstats_done()
1599 hdr->args.count, hdr->res.count, in ff_layout_write_record_layoutstats_done()
1600 hdr->res.verf->committed); in ff_layout_write_record_layoutstats_done()
1601 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_write_record_layoutstats_done()
1607 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_write_prepare_common()
1608 rpc_exit(task, -EIO); in ff_layout_write_prepare_common()
1609 return -EIO; in ff_layout_write_prepare_common()
1612 if (!pnfs_is_valid_lseg(hdr->lseg)) { in ff_layout_write_prepare_common()
1613 rpc_exit(task, -EAGAIN); in ff_layout_write_prepare_common()
1614 return -EAGAIN; in ff_layout_write_prepare_common()
1621 static void ff_layout_write_prepare_v3(struct rpc_task *task, void *data) in ff_layout_write_prepare_v3() argument
1623 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v3()
1631 static void ff_layout_write_prepare_v4(struct rpc_task *task, void *data) in ff_layout_write_prepare_v4() argument
1633 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v4()
1635 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_write_prepare_v4()
1636 &hdr->args.seq_args, in ff_layout_write_prepare_v4()
1637 &hdr->res.seq_res, in ff_layout_write_prepare_v4()
1644 static void ff_layout_write_call_done(struct rpc_task *task, void *data) in ff_layout_write_call_done() argument
1646 struct nfs_pgio_header *hdr = data; in ff_layout_write_call_done()
1648 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_write_call_done()
1649 task->tk_status == 0) { in ff_layout_write_call_done()
1650 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_write_call_done()
1655 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_write_call_done()
1658 static void ff_layout_write_count_stats(struct rpc_task *task, void *data) in ff_layout_write_count_stats() argument
1660 struct nfs_pgio_header *hdr = data; in ff_layout_write_count_stats()
1664 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_WRITE]); in ff_layout_write_count_stats()
1667 static void ff_layout_write_release(void *data) in ff_layout_write_release() argument
1669 struct nfs_pgio_header *hdr = data; in ff_layout_write_release()
1671 ff_layout_write_record_layoutstats_done(&hdr->task, hdr); in ff_layout_write_release()
1672 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) { in ff_layout_write_release()
1673 ff_layout_send_layouterror(hdr->lseg); in ff_layout_write_release()
1675 } else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_write_release()
1677 pnfs_generic_rw_release(data); in ff_layout_write_release()
1683 if (test_and_set_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_start()
1685 nfs4_ff_layout_stat_io_start_write(cdata->inode, in ff_layout_commit_record_layoutstats_start()
1686 FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index), in ff_layout_commit_record_layoutstats_start()
1687 0, task->tk_start); in ff_layout_commit_record_layoutstats_start()
1696 if (!test_and_clear_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_done()
1699 if (task->tk_status == 0) { in ff_layout_commit_record_layoutstats_done()
1700 list_for_each_entry(req, &cdata->pages, wb_list) in ff_layout_commit_record_layoutstats_done()
1701 count += req->wb_bytes; in ff_layout_commit_record_layoutstats_done()
1704 FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index), in ff_layout_commit_record_layoutstats_done()
1706 set_bit(NFS_LSEG_LAYOUTRETURN, &cdata->lseg->pls_flags); in ff_layout_commit_record_layoutstats_done()
1712 if (!pnfs_is_valid_lseg(cdata->lseg)) { in ff_layout_commit_prepare_common()
1713 rpc_exit(task, -EAGAIN); in ff_layout_commit_prepare_common()
1714 return -EAGAIN; in ff_layout_commit_prepare_common()
1721 static void ff_layout_commit_prepare_v3(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v3() argument
1723 if (ff_layout_commit_prepare_common(task, data)) in ff_layout_commit_prepare_v3()
1729 static void ff_layout_commit_prepare_v4(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v4() argument
1731 struct nfs_commit_data *wdata = data; in ff_layout_commit_prepare_v4()
1733 if (nfs4_setup_sequence(wdata->ds_clp, in ff_layout_commit_prepare_v4()
1734 &wdata->args.seq_args, in ff_layout_commit_prepare_v4()
1735 &wdata->res.seq_res, in ff_layout_commit_prepare_v4()
1738 ff_layout_commit_prepare_common(task, data); in ff_layout_commit_prepare_v4()
1741 static void ff_layout_commit_done(struct rpc_task *task, void *data) in ff_layout_commit_done() argument
1743 pnfs_generic_write_commit_done(task, data); in ff_layout_commit_done()
1746 static void ff_layout_commit_count_stats(struct rpc_task *task, void *data) in ff_layout_commit_count_stats() argument
1748 struct nfs_commit_data *cdata = data; in ff_layout_commit_count_stats()
1752 &NFS_CLIENT(cdata->inode)->cl_metrics[NFSPROC4_CLNT_COMMIT]); in ff_layout_commit_count_stats()
1755 static void ff_layout_commit_release(void *data) in ff_layout_commit_release() argument
1757 struct nfs_commit_data *cdata = data; in ff_layout_commit_release()
1759 ff_layout_commit_record_layoutstats_done(&cdata->task, cdata); in ff_layout_commit_release()
1760 pnfs_generic_commit_release(data); in ff_layout_commit_release()
1808 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_read_pagelist()
1812 struct nfs4_ff_layout_mirror *mirror; in ff_layout_read_pagelist() local
1814 loff_t offset = hdr->args.offset; in ff_layout_read_pagelist()
1815 u32 idx = hdr->pgio_mirror_idx; in ff_layout_read_pagelist()
1819 dprintk("--> %s ino %lu pgbase %u req %zu@%llu\n", in ff_layout_read_pagelist()
1820 __func__, hdr->inode->i_ino, in ff_layout_read_pagelist()
1821 hdr->args.pgbase, (size_t)hdr->args.count, offset); in ff_layout_read_pagelist()
1823 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_read_pagelist()
1824 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, false); in ff_layout_read_pagelist()
1828 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_read_pagelist()
1829 hdr->inode); in ff_layout_read_pagelist()
1833 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred); in ff_layout_read_pagelist()
1837 vers = nfs4_ff_layout_ds_version(mirror); in ff_layout_read_pagelist()
1840 ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), vers); in ff_layout_read_pagelist()
1842 hdr->pgio_done_cb = ff_layout_read_done_cb; in ff_layout_read_pagelist()
1843 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_read_pagelist()
1844 hdr->ds_clp = ds->ds_clp; in ff_layout_read_pagelist()
1845 fh = nfs4_ff_layout_select_ds_fh(mirror); in ff_layout_read_pagelist()
1847 hdr->args.fh = fh; in ff_layout_read_pagelist()
1849 nfs4_ff_layout_select_ds_stateid(mirror, &hdr->args.stateid); in ff_layout_read_pagelist()
1853 * then we may need to handle dense-like offsets. in ff_layout_read_pagelist()
1855 hdr->args.offset = offset; in ff_layout_read_pagelist()
1856 hdr->mds_offset = offset; in ff_layout_read_pagelist()
1859 localio = ff_local_open_fh(lseg, idx, ds->ds_clp, ds_cred, fh, FMODE_READ); in ff_layout_read_pagelist()
1861 hdr->task.tk_start = ktime_get(); in ff_layout_read_pagelist()
1862 ff_layout_read_record_layoutstats_start(&hdr->task, hdr); in ff_layout_read_pagelist()
1866 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_read_pagelist()
1876 trace_pnfs_mds_fallback_read_pagelist(hdr->inode, in ff_layout_read_pagelist()
1877 hdr->args.offset, hdr->args.count, in ff_layout_read_pagelist()
1878 IOMODE_READ, NFS_I(hdr->inode)->layout, lseg); in ff_layout_read_pagelist()
1886 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_write_pagelist()
1890 struct nfs4_ff_layout_mirror *mirror; in ff_layout_write_pagelist() local
1892 loff_t offset = hdr->args.offset; in ff_layout_write_pagelist()
1895 u32 idx = hdr->pgio_mirror_idx; in ff_layout_write_pagelist()
1897 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_write_pagelist()
1898 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, true); in ff_layout_write_pagelist()
1902 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_write_pagelist()
1903 hdr->inode); in ff_layout_write_pagelist()
1907 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred); in ff_layout_write_pagelist()
1911 vers = nfs4_ff_layout_ds_version(mirror); in ff_layout_write_pagelist()
1914 __func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count, in ff_layout_write_pagelist()
1915 offset, ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), in ff_layout_write_pagelist()
1918 hdr->pgio_done_cb = ff_layout_write_done_cb; in ff_layout_write_pagelist()
1919 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_write_pagelist()
1920 hdr->ds_clp = ds->ds_clp; in ff_layout_write_pagelist()
1921 hdr->ds_commit_idx = idx; in ff_layout_write_pagelist()
1922 fh = nfs4_ff_layout_select_ds_fh(mirror); in ff_layout_write_pagelist()
1924 hdr->args.fh = fh; in ff_layout_write_pagelist()
1926 nfs4_ff_layout_select_ds_stateid(mirror, &hdr->args.stateid); in ff_layout_write_pagelist()
1930 * then we may need to handle dense-like offsets. in ff_layout_write_pagelist()
1932 hdr->args.offset = offset; in ff_layout_write_pagelist()
1935 localio = ff_local_open_fh(lseg, idx, ds->ds_clp, ds_cred, fh, in ff_layout_write_pagelist()
1938 hdr->task.tk_start = ktime_get(); in ff_layout_write_pagelist()
1939 ff_layout_write_record_layoutstats_start(&hdr->task, hdr); in ff_layout_write_pagelist()
1943 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_write_pagelist()
1953 trace_pnfs_mds_fallback_write_pagelist(hdr->inode, in ff_layout_write_pagelist()
1954 hdr->args.offset, hdr->args.count, in ff_layout_write_pagelist()
1955 IOMODE_RW, NFS_I(hdr->inode)->layout, lseg); in ff_layout_write_pagelist()
1972 return &flseg->mirror_array[i]->fh_versions[0]; in select_ds_fh_from_commit()
1975 static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how) in ff_layout_initiate_commit() argument
1977 struct pnfs_layout_segment *lseg = data->lseg; in ff_layout_initiate_commit()
1981 struct nfs4_ff_layout_mirror *mirror; in ff_layout_initiate_commit() local
1988 test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags))) in ff_layout_initiate_commit()
1991 idx = calc_ds_index_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
1992 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_initiate_commit()
1993 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, true); in ff_layout_initiate_commit()
1997 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_initiate_commit()
1998 data->inode); in ff_layout_initiate_commit()
2002 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, data->cred); in ff_layout_initiate_commit()
2006 vers = nfs4_ff_layout_ds_version(mirror); in ff_layout_initiate_commit()
2009 data->inode->i_ino, how, refcount_read(&ds->ds_clp->cl_count), in ff_layout_initiate_commit()
2011 data->commit_done_cb = ff_layout_commit_done_cb; in ff_layout_initiate_commit()
2012 data->cred = ds_cred; in ff_layout_initiate_commit()
2013 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_initiate_commit()
2014 data->ds_clp = ds->ds_clp; in ff_layout_initiate_commit()
2015 fh = select_ds_fh_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
2017 data->args.fh = fh; in ff_layout_initiate_commit()
2020 localio = ff_local_open_fh(lseg, idx, ds->ds_clp, ds_cred, fh, in ff_layout_initiate_commit()
2023 data->task.tk_start = ktime_get(); in ff_layout_initiate_commit()
2024 ff_layout_commit_record_layoutstats_start(&data->task, data); in ff_layout_initiate_commit()
2027 ret = nfs_initiate_commit(ds_clnt, data, ds->ds_clp->rpc_ops, in ff_layout_initiate_commit()
2034 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_initiate_commit()
2035 pnfs_generic_commit_release(data); in ff_layout_initiate_commit()
2036 return -EAGAIN; in ff_layout_initiate_commit()
2051 return hdr->lseg == lseg; in ff_layout_match_rw()
2058 return cdata->lseg == lseg; in ff_layout_match_commit()
2061 static bool ff_layout_match_io(const struct rpc_task *task, const void *data) in ff_layout_match_io() argument
2063 const struct rpc_call_ops *ops = task->tk_ops; in ff_layout_match_io()
2069 return ff_layout_match_rw(task, task->tk_calldata, data); in ff_layout_match_io()
2072 return ff_layout_match_commit(task, task->tk_calldata, data); in ff_layout_match_io()
2079 struct nfs4_ff_layout_mirror *mirror; in ff_layout_cancel_io() local
2086 for (idx = 0; idx < flseg->mirror_array_cnt; idx++) { in ff_layout_cancel_io()
2087 mirror = flseg->mirror_array[idx]; in ff_layout_cancel_io()
2088 mirror_ds = mirror->mirror_ds; in ff_layout_cancel_io()
2091 ds = mirror->mirror_ds->ds; in ff_layout_cancel_io()
2094 ds_clp = ds->ds_clp; in ff_layout_cancel_io()
2097 clnt = ds_clp->cl_rpcclient; in ff_layout_cancel_io()
2100 if (!rpc_cancel_tasks(clnt, -EAGAIN, ff_layout_match_io, lseg)) in ff_layout_cancel_io()
2109 struct pnfs_layout_hdr *layout = NFS_I(inode)->layout; in ff_layout_get_ds_info()
2114 return &FF_LAYOUT_FROM_HDR(layout)->commit_info; in ff_layout_get_ds_info()
2122 struct inode *inode = lseg->pls_layout->plh_inode; in ff_layout_setup_ds_info()
2125 new = pnfs_alloc_commit_array(flseg->mirror_array_cnt, in ff_layout_setup_ds_info()
2128 spin_lock(&inode->i_lock); in ff_layout_setup_ds_info()
2130 spin_unlock(&inode->i_lock); in ff_layout_setup_ds_info()
2140 spin_lock(&inode->i_lock); in ff_layout_release_ds_info()
2142 spin_unlock(&inode->i_lock); in ff_layout_release_ds_info()
2160 return -E2BIG; in ff_layout_encode_ioerr()
2162 *start = cpu_to_be32(ff_args->num_errors); in ff_layout_encode_ioerr()
2164 return ff_layout_encode_ds_ioerr(xdr, &ff_args->errors); in ff_layout_encode_ioerr()
2175 p = xdr_encode_hyper(p, devinfo->offset); in ff_layout_encode_ff_iostat_head()
2176 p = xdr_encode_hyper(p, devinfo->length); in ff_layout_encode_ff_iostat_head()
2177 encode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); in ff_layout_encode_ff_iostat_head()
2179 p = xdr_encode_hyper(p, devinfo->read_count); in ff_layout_encode_ff_iostat_head()
2180 p = xdr_encode_hyper(p, devinfo->read_bytes); in ff_layout_encode_ff_iostat_head()
2181 p = xdr_encode_hyper(p, devinfo->write_count); in ff_layout_encode_ff_iostat_head()
2182 p = xdr_encode_hyper(p, devinfo->write_bytes); in ff_layout_encode_ff_iostat_head()
2183 encode_opaque_fixed(xdr, devinfo->dev_id.data, NFS4_DEVICEID4_SIZE); in ff_layout_encode_ff_iostat_head()
2193 devinfo->ld_private.data); in ff_layout_encode_ff_iostat()
2205 *p = cpu_to_be32(ff_args->num_dev); in ff_layout_encode_iostats_array()
2206 for (i = 0; i < ff_args->num_dev; i++) in ff_layout_encode_iostats_array()
2208 &args->layout->plh_stateid, in ff_layout_encode_iostats_array()
2209 &ff_args->devinfo[i]); in ff_layout_encode_iostats_array()
2221 if (!devinfo[i].ld_private.ops->free) in ff_layout_free_iostats_array()
2223 devinfo[i].ld_private.ops->free(&devinfo[i].ld_private); in ff_layout_free_iostats_array()
2236 return &dsaddr->id_node; in ff_layout_alloc_deviceid_node()
2245 struct nfs4_flexfile_layoutreturn_args *ff_args = ff_opaque->data; in ff_layout_encode_layoutreturn()
2249 .iov_base = page_address(ff_args->pages[0]), in ff_layout_encode_layoutreturn()
2266 xdr_write_pages(xdr, ff_args->pages, 0, tmp_buf.len); in ff_layout_encode_layoutreturn()
2276 if (!args->data) in ff_layout_free_layoutreturn()
2278 ff_args = args->data; in ff_layout_free_layoutreturn()
2279 args->data = NULL; in ff_layout_free_layoutreturn()
2281 ff_layout_free_ds_ioerr(&ff_args->errors); in ff_layout_free_layoutreturn()
2282 ff_layout_free_iostats_array(ff_args->devinfo, ff_args->num_dev); in ff_layout_free_layoutreturn()
2284 put_page(ff_args->pages[0]); in ff_layout_free_layoutreturn()
2297 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(args->layout); in ff_layout_prepare_layoutreturn()
2302 ff_args->pages[0] = alloc_page(nfs_io_gfp_mask()); in ff_layout_prepare_layoutreturn()
2303 if (!ff_args->pages[0]) in ff_layout_prepare_layoutreturn()
2306 INIT_LIST_HEAD(&ff_args->errors); in ff_layout_prepare_layoutreturn()
2307 ff_args->num_errors = ff_layout_fetch_ds_ioerr(args->layout, in ff_layout_prepare_layoutreturn()
2308 &args->range, &ff_args->errors, in ff_layout_prepare_layoutreturn()
2311 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2312 ff_args->num_dev = ff_layout_mirror_prepare_stats( in ff_layout_prepare_layoutreturn()
2313 &ff_layout->generic_hdr, &ff_args->devinfo[0], in ff_layout_prepare_layoutreturn()
2314 ARRAY_SIZE(ff_args->devinfo), NFS4_FF_OP_LAYOUTRETURN); in ff_layout_prepare_layoutreturn()
2315 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2317 args->ld_private->ops = &layoutreturn_ops; in ff_layout_prepare_layoutreturn()
2318 args->ld_private->data = ff_args; in ff_layout_prepare_layoutreturn()
2323 return -ENOMEM; in ff_layout_prepare_layoutreturn()
2330 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_send_layouterror()
2334 if (!nfs_server_capable(lo->plh_inode, NFS_CAP_LAYOUTERROR)) in ff_layout_send_layouterror()
2336 ff_layout_fetch_ds_ioerr(lo, &lseg->pls_range, &head, -1); in ff_layout_send_layouterror()
2347 errors[n].offset = pos->offset; in ff_layout_send_layouterror()
2348 errors[n].length = pos->length; in ff_layout_send_layouterror()
2349 nfs4_stateid_copy(&errors[n].stateid, &pos->stateid); in ff_layout_send_layouterror()
2350 errors[n].errors[0].dev_id = pos->deviceid; in ff_layout_send_layouterror()
2351 errors[n].errors[0].status = pos->status; in ff_layout_send_layouterror()
2352 errors[n].errors[0].opnum = pos->opnum; in ff_layout_send_layouterror()
2354 if (!list_is_last(&pos->list, &head) && in ff_layout_send_layouterror()
2377 return snprintf(buf, buflen, "%pI4", &sin->sin_addr); in ff_layout_ntop4()
2385 const struct in6_addr *addr = &sin6->sin6_addr; in ff_layout_ntop6_noscopeid()
2411 &addr->s6_addr32[3]); in ff_layout_ntop6_noscopeid()
2423 struct sockaddr *sap = (struct sockaddr *)&da->da_addr; in ff_layout_encode_netaddr()
2430 switch (sap->sa_family) { in ff_layout_encode_netaddr()
2434 port = ntohs(((struct sockaddr_in *)sap)->sin_port); in ff_layout_encode_netaddr()
2439 port = ntohs(((struct sockaddr_in6 *)sap)->sin6_port); in ff_layout_encode_netaddr()
2449 netid_len = strlen(da->da_netid); in ff_layout_encode_netaddr()
2451 xdr_encode_opaque(p, da->da_netid, netid_len); in ff_layout_encode_netaddr()
2477 p = xdr_encode_hyper(p, stat->ops_requested); in ff_layout_encode_io_latency()
2478 p = xdr_encode_hyper(p, stat->bytes_requested); in ff_layout_encode_io_latency()
2479 p = xdr_encode_hyper(p, stat->ops_completed); in ff_layout_encode_io_latency()
2480 p = xdr_encode_hyper(p, stat->bytes_completed); in ff_layout_encode_io_latency()
2481 p = xdr_encode_hyper(p, stat->bytes_not_delivered); in ff_layout_encode_io_latency()
2482 ff_layout_encode_nfstime(xdr, stat->total_busy_time); in ff_layout_encode_io_latency()
2483 ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time); in ff_layout_encode_io_latency()
2489 struct nfs4_ff_layout_mirror *mirror) in ff_layout_encode_ff_layoutupdate() argument
2492 struct nfs4_pnfs_ds *ds = mirror->mirror_ds->ds; in ff_layout_encode_ff_layoutupdate()
2493 struct nfs_fh *fh = &mirror->fh_versions[0]; in ff_layout_encode_ff_layoutupdate()
2496 da = list_first_entry(&ds->ds_addrs, struct nfs4_pnfs_ds_addr, da_node); in ff_layout_encode_ff_layoutupdate()
2498 __func__, ds->ds_remotestr, da->da_remotestr); in ff_layout_encode_ff_layoutupdate()
2502 p = xdr_reserve_space(xdr, 4 + fh->size); in ff_layout_encode_ff_layoutupdate()
2503 xdr_encode_opaque(p, fh->data, fh->size); in ff_layout_encode_ff_layoutupdate()
2505 spin_lock(&mirror->lock); in ff_layout_encode_ff_layoutupdate()
2506 ff_layout_encode_io_latency(xdr, &mirror->read_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2508 ff_layout_encode_io_latency(xdr, &mirror->write_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2509 spin_unlock(&mirror->lock); in ff_layout_encode_ff_layoutupdate()
2511 ff_layout_encode_nfstime(xdr, ktime_sub(ktime_get(), mirror->start_time)); in ff_layout_encode_ff_layoutupdate()
2527 ff_layout_encode_ff_layoutupdate(xdr, devinfo, opaque->data); in ff_layout_encode_layoutstats()
2529 *start = cpu_to_be32((xdr->p - start - 1) * 4); in ff_layout_encode_layoutstats()
2535 struct nfs4_ff_layout_mirror *mirror = opaque->data; in ff_layout_free_layoutstats() local
2537 ff_layout_put_mirror(mirror); in ff_layout_free_layoutstats()
2551 struct nfs4_ff_layout_mirror *mirror; in ff_layout_mirror_prepare_stats() local
2555 list_for_each_entry(mirror, &ff_layout->mirrors, mirrors) { in ff_layout_mirror_prepare_stats()
2558 if (IS_ERR_OR_NULL(mirror->mirror_ds)) in ff_layout_mirror_prepare_stats()
2561 &mirror->flags) && in ff_layout_mirror_prepare_stats()
2564 /* mirror refcount put in cleanup_layoutstats */ in ff_layout_mirror_prepare_stats()
2565 if (!refcount_inc_not_zero(&mirror->ref)) in ff_layout_mirror_prepare_stats()
2567 dev = &mirror->mirror_ds->id_node; in ff_layout_mirror_prepare_stats()
2568 memcpy(&devinfo->dev_id, &dev->deviceid, NFS4_DEVICEID4_SIZE); in ff_layout_mirror_prepare_stats()
2569 devinfo->offset = 0; in ff_layout_mirror_prepare_stats()
2570 devinfo->length = NFS4_MAX_UINT64; in ff_layout_mirror_prepare_stats()
2571 spin_lock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2572 devinfo->read_count = mirror->read_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2573 devinfo->read_bytes = mirror->read_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2574 devinfo->write_count = mirror->write_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2575 devinfo->write_bytes = mirror->write_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2576 spin_unlock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2577 devinfo->layout_type = LAYOUT_FLEX_FILES; in ff_layout_mirror_prepare_stats()
2578 devinfo->ld_private.ops = &layoutstat_ops; in ff_layout_mirror_prepare_stats()
2579 devinfo->ld_private.data = mirror; in ff_layout_mirror_prepare_stats()
2594 args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo), in ff_layout_prepare_layoutstats()
2596 if (!args->devinfo) in ff_layout_prepare_layoutstats()
2597 return -ENOMEM; in ff_layout_prepare_layoutstats()
2599 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2600 lo = NFS_I(args->inode)->layout; in ff_layout_prepare_layoutstats()
2603 args->num_dev = ff_layout_mirror_prepare_stats( in ff_layout_prepare_layoutstats()
2604 &ff_layout->generic_hdr, &args->devinfo[0], dev_count, in ff_layout_prepare_layoutstats()
2607 args->num_dev = 0; in ff_layout_prepare_layoutstats()
2608 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2609 if (!args->num_dev) { in ff_layout_prepare_layoutstats()
2610 kfree(args->devinfo); in ff_layout_prepare_layoutstats()
2611 args->devinfo = NULL; in ff_layout_prepare_layoutstats()
2612 return -ENOENT; in ff_layout_prepare_layoutstats()
2623 server->caps |= NFS_CAP_LAYOUTSTATS | NFS_CAP_REBOOT_LAYOUTRETURN; in ff_layout_set_layoutdriver()
2677 MODULE_ALIAS("nfs-layouttype4-4");