Lines Matching +full:- +full:- +full:retry +full:- +full:all +full:- +full:errors
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2014, Primary Data, Inc. All rights reserved.
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()
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()
174 return nfs_local_open_fh(clp, cred, fh, &mirror->dss[dss_id].nfl, mode); in ff_local_open_fh()
185 if (dss1->fh_versions_cnt != dss2->fh_versions_cnt) in ff_dss_match_fh()
188 for (i = 0; i < dss1->fh_versions_cnt; i++) { in ff_dss_match_fh()
190 for (j = 0; j < dss2->fh_versions_cnt; j++) { in ff_dss_match_fh()
191 if (nfs_compare_fh(&dss1->fh_versions[i], in ff_dss_match_fh()
192 &dss2->fh_versions[j]) == 0) { in ff_dss_match_fh()
208 if (m1->dss_count != m2->dss_count) in ff_mirror_match_fh()
211 for (dss_id = 0; dss_id < m1->dss_count; dss_id++) in ff_mirror_match_fh()
212 if (!ff_dss_match_fh(&m1->dss[dss_id], &m2->dss[dss_id])) in ff_mirror_match_fh()
223 if (m1->dss_count != m2->dss_count) in ff_mirror_match_devid()
226 for (dss_id = 0; dss_id < m1->dss_count; dss_id++) in ff_mirror_match_devid()
227 if (memcmp(&m1->dss[dss_id].devid, in ff_mirror_match_devid()
228 &m2->dss[dss_id].devid, in ff_mirror_match_devid()
229 sizeof(m1->dss[dss_id].devid)) != 0) in ff_mirror_match_devid()
241 struct inode *inode = lo->plh_inode; in ff_layout_add_mirror()
243 spin_lock(&inode->i_lock); in ff_layout_add_mirror()
244 list_for_each_entry(pos, &ff_layout->mirrors, mirrors) { in ff_layout_add_mirror()
249 if (refcount_inc_not_zero(&pos->ref)) { in ff_layout_add_mirror()
250 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
254 list_add(&mirror->mirrors, &ff_layout->mirrors); in ff_layout_add_mirror()
255 mirror->layout = lo; in ff_layout_add_mirror()
256 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
264 if (mirror->layout == NULL) in ff_layout_remove_mirror()
266 inode = mirror->layout->plh_inode; in ff_layout_remove_mirror()
267 spin_lock(&inode->i_lock); in ff_layout_remove_mirror()
268 list_del(&mirror->mirrors); in ff_layout_remove_mirror()
269 spin_unlock(&inode->i_lock); in ff_layout_remove_mirror()
270 mirror->layout = NULL; in ff_layout_remove_mirror()
280 spin_lock_init(&mirror->lock); in ff_layout_alloc_mirror()
281 refcount_set(&mirror->ref, 1); in ff_layout_alloc_mirror()
282 INIT_LIST_HEAD(&mirror->mirrors); in ff_layout_alloc_mirror()
283 for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) in ff_layout_alloc_mirror()
284 nfs_localio_file_init(&mirror->dss[dss_id].nfl); in ff_layout_alloc_mirror()
296 for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) { in ff_layout_free_mirror()
297 kfree(mirror->dss[dss_id].fh_versions); in ff_layout_free_mirror()
298 cred = rcu_access_pointer(mirror->dss[dss_id].ro_cred); in ff_layout_free_mirror()
300 cred = rcu_access_pointer(mirror->dss[dss_id].rw_cred); in ff_layout_free_mirror()
302 nfs_close_local_fh(&mirror->dss[dss_id].nfl); in ff_layout_free_mirror()
303 nfs4_ff_layout_put_deviceid(mirror->dss[dss_id].mirror_ds); in ff_layout_free_mirror()
306 kfree(mirror->dss); in ff_layout_free_mirror()
312 if (mirror != NULL && refcount_dec_and_test(&mirror->ref)) in ff_layout_put_mirror()
320 for (i = 0; i < fls->mirror_array_cnt; i++) in ff_layout_free_mirror_array()
321 ff_layout_put_mirror(fls->mirror_array[i]); in ff_layout_free_mirror_array()
340 if (fl1->mirror_array_cnt != fl2->mirror_array_cnt) in ff_lseg_match_mirrors()
342 for (i = 0; i < fl1->mirror_array_cnt; i++) { in ff_lseg_match_mirrors()
343 if (fl1->mirror_array[i] != fl2->mirror_array[i]) in ff_lseg_match_mirrors()
355 if (l1->iomode != l2->iomode) in ff_lseg_range_is_after()
356 return l1->iomode != IOMODE_READ; in ff_lseg_range_is_after()
357 end1 = pnfs_calc_offset_end(l1->offset, l1->length); in ff_lseg_range_is_after()
358 end2 = pnfs_calc_offset_end(l2->offset, l2->length); in ff_lseg_range_is_after()
359 if (end1 < l2->offset) in ff_lseg_range_is_after()
361 if (end2 < l1->offset) in ff_lseg_range_is_after()
363 return l2->offset <= l1->offset; in ff_lseg_range_is_after()
372 if (test_bit(NFS_LSEG_LAYOUTRETURN, &old->pls_flags)) in ff_lseg_merge()
374 if (new->pls_range.iomode != old->pls_range.iomode) in ff_lseg_merge()
376 old_end = pnfs_calc_offset_end(old->pls_range.offset, in ff_lseg_merge()
377 old->pls_range.length); in ff_lseg_merge()
378 if (old_end < new->pls_range.offset) in ff_lseg_merge()
380 new_end = pnfs_calc_offset_end(new->pls_range.offset, in ff_lseg_merge()
381 new->pls_range.length); in ff_lseg_merge()
382 if (new_end < old->pls_range.offset) in ff_lseg_merge()
390 if (new->pls_range.offset < old->pls_range.offset) in ff_lseg_merge()
391 new->pls_range.offset = old->pls_range.offset; in ff_lseg_merge()
392 new->pls_range.length = pnfs_calc_offset_length(new->pls_range.offset, in ff_lseg_merge()
394 if (test_bit(NFS_LSEG_ROC, &old->pls_flags)) in ff_lseg_merge()
395 set_bit(NFS_LSEG_ROC, &new->pls_flags); in ff_lseg_merge()
414 for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) in ff_mirror_efficiency_sum()
415 sum += mirror->dss[dss_id].efficiency; in ff_mirror_efficiency_sum()
424 for (i = 0; i < fls->mirror_array_cnt - 1; i++) { in ff_layout_sort_mirrors()
425 for (j = i + 1; j < fls->mirror_array_cnt; j++) in ff_layout_sort_mirrors()
426 if (ff_mirror_efficiency_sum(fls->mirror_array[i]) < in ff_layout_sort_mirrors()
427 ff_mirror_efficiency_sum(fls->mirror_array[j])) in ff_layout_sort_mirrors()
428 swap(fls->mirror_array[i], in ff_layout_sort_mirrors()
429 fls->mirror_array[j]); in ff_layout_sort_mirrors()
449 dprintk("--> %s\n", __func__); in ff_layout_alloc_lseg()
452 return ERR_PTR(-ENOMEM); in ff_layout_alloc_lseg()
454 xdr_init_decode_pages(&stream, &buf, lgr->layoutp->pages, in ff_layout_alloc_lseg()
455 lgr->layoutp->len); in ff_layout_alloc_lseg()
459 rc = -EIO; in ff_layout_alloc_lseg()
473 rc = -ENOMEM; in ff_layout_alloc_lseg()
479 fls->mirror_array_cnt = mirror_array_cnt; in ff_layout_alloc_lseg()
480 fls->stripe_unit = stripe_unit; in ff_layout_alloc_lseg()
483 for (i = 0; i < fls->mirror_array_cnt; i++) { in ff_layout_alloc_lseg()
492 rc = -EIO; in ff_layout_alloc_lseg()
497 // Ensure all mirrors have same stripe count. in ff_layout_alloc_lseg()
510 fls->mirror_array[i] = ff_layout_alloc_mirror(gfp_flags); in ff_layout_alloc_lseg()
511 if (fls->mirror_array[i] == NULL) { in ff_layout_alloc_lseg()
512 rc = -ENOMEM; in ff_layout_alloc_lseg()
516 fls->mirror_array[i]->dss_count = dss_count; in ff_layout_alloc_lseg()
517 fls->mirror_array[i]->dss = in ff_layout_alloc_lseg()
522 dss_info = &fls->mirror_array[i]->dss[dss_id]; in ff_layout_alloc_lseg()
523 dss_info->mirror = fls->mirror_array[i]; in ff_layout_alloc_lseg()
526 rc = decode_deviceid(&stream, &dss_info->devid); in ff_layout_alloc_lseg()
531 rc = -EIO; in ff_layout_alloc_lseg()
535 dss_info->efficiency = be32_to_cpup(p); in ff_layout_alloc_lseg()
538 rc = decode_pnfs_stateid(&stream, &dss_info->stateid); in ff_layout_alloc_lseg()
543 rc = -EIO; in ff_layout_alloc_lseg()
549 dss_info->fh_versions = in ff_layout_alloc_lseg()
552 if (dss_info->fh_versions == NULL) { in ff_layout_alloc_lseg()
553 rc = -ENOMEM; in ff_layout_alloc_lseg()
559 &dss_info->fh_versions[j]); in ff_layout_alloc_lseg()
564 dss_info->fh_versions_cnt = fh_count; in ff_layout_alloc_lseg()
588 rc = -ENOMEM; in ff_layout_alloc_lseg()
591 kcred->fsuid = uid; in ff_layout_alloc_lseg()
592 kcred->fsgid = gid; in ff_layout_alloc_lseg()
595 if (lgr->range.iomode == IOMODE_READ) in ff_layout_alloc_lseg()
596 rcu_assign_pointer(dss_info->ro_cred, cred); in ff_layout_alloc_lseg()
598 rcu_assign_pointer(dss_info->rw_cred, cred); in ff_layout_alloc_lseg()
601 mirror = ff_layout_add_mirror(lh, fls->mirror_array[i]); in ff_layout_alloc_lseg()
602 if (mirror != fls->mirror_array[i]) { in ff_layout_alloc_lseg()
604 dss_info = &fls->mirror_array[i]->dss[dss_id]; in ff_layout_alloc_lseg()
606 if (lgr->range.iomode == IOMODE_READ) { in ff_layout_alloc_lseg()
607 cred = xchg(&mirror->dss[dss_id].ro_cred, in ff_layout_alloc_lseg()
608 dss_info->ro_cred); in ff_layout_alloc_lseg()
609 rcu_assign_pointer(dss_info->ro_cred, cred); in ff_layout_alloc_lseg()
611 cred = xchg(&mirror->dss[dss_id].rw_cred, in ff_layout_alloc_lseg()
612 dss_info->rw_cred); in ff_layout_alloc_lseg()
613 rcu_assign_pointer(dss_info->rw_cred, cred); in ff_layout_alloc_lseg()
616 ff_layout_free_mirror(fls->mirror_array[i]); in ff_layout_alloc_lseg()
617 fls->mirror_array[i] = mirror; in ff_layout_alloc_lseg()
621 lgr->range.iomode == IOMODE_READ ? "READ" : "RW", in ff_layout_alloc_lseg()
629 fls->flags = be32_to_cpup(p); in ff_layout_alloc_lseg()
634 for (i=0; i < fls->mirror_array_cnt; i++) in ff_layout_alloc_lseg()
635 fls->mirror_array[i]->report_interval = be32_to_cpup(p); in ff_layout_alloc_lseg()
639 ret = &fls->generic_hdr; in ff_layout_alloc_lseg()
640 dprintk("<-- %s (success)\n", __func__); in ff_layout_alloc_lseg()
647 dprintk("<-- %s (%d)\n", __func__, rc); in ff_layout_alloc_lseg()
656 dprintk("--> %s\n", __func__); in ff_layout_free_lseg()
658 if (lseg->pls_range.iomode == IOMODE_RW) { in ff_layout_free_lseg()
662 ffl = FF_LAYOUT_FROM_HDR(lseg->pls_layout); in ff_layout_free_lseg()
663 inode = ffl->generic_hdr.plh_inode; in ff_layout_free_lseg()
664 spin_lock(&inode->i_lock); in ff_layout_free_lseg()
665 pnfs_generic_ds_cinfo_release_lseg(&ffl->commit_info, lseg); in ff_layout_free_lseg()
666 spin_unlock(&inode->i_lock); in ff_layout_free_lseg()
676 return (mirror_idx * flseg->mirror_array[0]->dss_count) + dss_id; in calc_commit_idx()
682 return commit_index / FF_LAYOUT_LSEG(lseg)->mirror_array[0]->dss_count; in calc_mirror_idx_from_commit()
688 return commit_index % FF_LAYOUT_LSEG(lseg)->mirror_array[0]->dss_count; in calc_dss_id_from_commit()
695 if (atomic_inc_return(&timer->n_ops) == 1) { in nfs4_ff_start_busy_timer()
696 timer->start_time = now; in nfs4_ff_start_busy_timer()
705 if (atomic_dec_return(&timer->n_ops) < 0) in nfs4_ff_end_busy_timer()
708 start = timer->start_time; in nfs4_ff_end_busy_timer()
709 timer->start_time = now; in nfs4_ff_end_busy_timer()
720 struct nfs4_flexfile_layout *ffl = FF_LAYOUT_FROM_HDR(mirror->layout); in nfs4_ff_layoutstat_start_io()
722 nfs4_ff_start_busy_timer(&layoutstat->busy_timer, now); in nfs4_ff_layoutstat_start_io()
723 if (!mirror->dss[dss_id].start_time) in nfs4_ff_layoutstat_start_io()
724 mirror->dss[dss_id].start_time = now; in nfs4_ff_layoutstat_start_io()
725 if (mirror->report_interval != 0) in nfs4_ff_layoutstat_start_io()
726 report_interval = (s64)mirror->report_interval * 1000LL; in nfs4_ff_layoutstat_start_io()
729 if (ktime_to_ms(ktime_sub(now, ffl->last_report_time)) >= in nfs4_ff_layoutstat_start_io()
731 ffl->last_report_time = now; in nfs4_ff_layoutstat_start_io()
742 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_requested()
744 iostat->ops_requested++; in nfs4_ff_layout_stat_io_update_requested()
745 iostat->bytes_requested += requested; in nfs4_ff_layout_stat_io_update_requested()
755 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_completed()
759 iostat->ops_completed++; in nfs4_ff_layout_stat_io_update_completed()
760 iostat->bytes_completed += completed; in nfs4_ff_layout_stat_io_update_completed()
761 iostat->bytes_not_delivered += requested - completed; in nfs4_ff_layout_stat_io_update_completed()
763 timer = nfs4_ff_end_busy_timer(&layoutstat->busy_timer, time_completed); in nfs4_ff_layout_stat_io_update_completed()
764 iostat->total_busy_time = in nfs4_ff_layout_stat_io_update_completed()
765 ktime_add(iostat->total_busy_time, timer); in nfs4_ff_layout_stat_io_update_completed()
766 iostat->aggregate_completion_time = in nfs4_ff_layout_stat_io_update_completed()
767 ktime_add(iostat->aggregate_completion_time, in nfs4_ff_layout_stat_io_update_completed()
779 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
781 mirror, dss_id, &mirror->dss[dss_id].read_stat, now); in nfs4_ff_layout_stat_io_start_read()
783 &mirror->dss[dss_id].read_stat, requested); in nfs4_ff_layout_stat_io_start_read()
784 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_read()
785 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
798 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
799 nfs4_ff_layout_stat_io_update_completed(&mirror->dss[dss_id].read_stat, in nfs4_ff_layout_stat_io_end_read()
801 ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_read()
802 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_read()
803 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
814 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
818 &mirror->dss[dss_id].write_stat, in nfs4_ff_layout_stat_io_start_write()
821 &mirror->dss[dss_id].write_stat, in nfs4_ff_layout_stat_io_start_write()
823 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_write()
824 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
841 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
842 nfs4_ff_layout_stat_io_update_completed(&mirror->dss[dss_id].write_stat, in nfs4_ff_layout_stat_io_end_write()
843 requested, completed, ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_write()
844 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_write()
845 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
874 struct nfs4_pnfs_ds *ds = ERR_PTR(-EAGAIN); in ff_layout_choose_ds_for_read()
878 for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) { in ff_layout_choose_ds_for_read()
881 fls->stripe_unit, in ff_layout_choose_ds_for_read()
882 fls->mirror_array[idx]->dss_count, in ff_layout_choose_ds_for_read()
889 nfs4_test_deviceid_unavailable(&mirror->dss[*dss_id].mirror_ds->id_node)) { in ff_layout_choose_ds_for_read()
891 ds = ERR_PTR(-EINVAL); in ff_layout_choose_ds_for_read()
941 struct pnfs_layout_segment *lseg = pgio->pg_lseg; in ff_layout_get_ds_for_read()
944 ds = ff_layout_choose_best_ds_for_read(lseg, pgio->pg_mirror_idx, in ff_layout_get_ds_for_read()
946 if (!IS_ERR(ds) || !pgio->pg_mirror_idx) in ff_layout_get_ds_for_read()
957 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_get_read()
958 pgio->pg_lseg = in ff_layout_pg_get_read()
959 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_get_read()
960 req_offset(req), req->wb_bytes, IOMODE_READ, in ff_layout_pg_get_read()
962 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_read()
963 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_read()
964 pgio->pg_lseg = NULL; in ff_layout_pg_get_read()
971 return fls->mirror_array[0]->dss_count > 1; in ff_layout_lseg_is_striped()
978 * of bytes (maximum @req->wb_bytes) that can be coalesced.
987 u64 segment_offset = pgio->pg_lseg->pls_range.offset; in ff_layout_pg_test()
988 u32 stripe_unit = FF_LAYOUT_LSEG(pgio->pg_lseg)->stripe_unit; in ff_layout_pg_test()
994 else if (!ff_layout_lseg_is_striped(FF_LAYOUT_LSEG(pgio->pg_lseg))) in ff_layout_pg_test()
999 p_stripe = (u64)req_offset(prev) - segment_offset; in ff_layout_pg_test()
1000 r_stripe = (u64)req_offset(req) - segment_offset; in ff_layout_pg_test()
1009 div_u64_rem((u64)req_offset(req) - segment_offset, in ff_layout_pg_test()
1015 return min(stripe_unit - (unsigned int)stripe_offset, size); in ff_layout_pg_test()
1027 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_read()
1029 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_read()
1030 retry: in ff_layout_pg_init_read()
1033 if (!pgio->pg_lseg) { in ff_layout_pg_init_read()
1035 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
1038 if (ff_layout_avoid_read_on_rw(pgio->pg_lseg)) { in ff_layout_pg_init_read()
1040 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
1044 req->wb_nio = 0; in ff_layout_pg_init_read()
1049 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_read()
1054 goto retry; in ff_layout_pg_init_read()
1057 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx); in ff_layout_pg_init_read()
1058 pgm = &pgio->pg_mirrors[0]; in ff_layout_pg_init_read()
1059 pgm->pg_bsize = mirror->dss[dss_id].mirror_ds->ds_versions[0].rsize; in ff_layout_pg_init_read()
1061 pgio->pg_mirror_idx = ds_idx; in ff_layout_pg_init_read()
1064 if (pgio->pg_error < 0) { in ff_layout_pg_init_read()
1065 if (pgio->pg_error != -EAGAIN) in ff_layout_pg_init_read()
1067 /* Retry getting layout segment if lower layer returned -EAGAIN */ in ff_layout_pg_init_read()
1068 if (pgio->pg_maxretrans && req->wb_nio++ > pgio->pg_maxretrans) { in ff_layout_pg_init_read()
1069 if (NFS_SERVER(pgio->pg_inode)->flags & NFS_MOUNT_SOFTERR) in ff_layout_pg_init_read()
1070 pgio->pg_error = -ETIMEDOUT; in ff_layout_pg_init_read()
1072 pgio->pg_error = -EIO; in ff_layout_pg_init_read()
1075 pgio->pg_error = 0; in ff_layout_pg_init_read()
1078 goto retry; in ff_layout_pg_init_read()
1081 trace_pnfs_mds_fallback_pg_init_read(pgio->pg_inode, in ff_layout_pg_init_read()
1083 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_read()
1084 pgio->pg_lseg); in ff_layout_pg_init_read()
1085 pgio->pg_maxretrans = 0; in ff_layout_pg_init_read()
1098 retry: in ff_layout_pg_init_write()
1100 if (!pgio->pg_lseg) { in ff_layout_pg_init_write()
1101 pgio->pg_lseg = in ff_layout_pg_init_write()
1102 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_init_write()
1103 req_offset(req), req->wb_bytes, in ff_layout_pg_init_write()
1105 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_init_write()
1106 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_init_write()
1107 pgio->pg_lseg = NULL; in ff_layout_pg_init_write()
1112 if (pgio->pg_lseg == NULL) in ff_layout_pg_init_write()
1116 if (pgio->pg_mirror_count != FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg)) in ff_layout_pg_init_write()
1119 for (i = 0; i < pgio->pg_mirror_count; i++) { in ff_layout_pg_init_write()
1120 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i); in ff_layout_pg_init_write()
1122 FF_LAYOUT_LSEG(pgio->pg_lseg)->stripe_unit, in ff_layout_pg_init_write()
1123 mirror->dss_count, in ff_layout_pg_init_write()
1125 ds = nfs4_ff_layout_prepare_ds(pgio->pg_lseg, mirror, in ff_layout_pg_init_write()
1128 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_write()
1133 goto retry; in ff_layout_pg_init_write()
1135 pgm = &pgio->pg_mirrors[i]; in ff_layout_pg_init_write()
1136 pgm->pg_bsize = mirror->dss[dss_id].mirror_ds->ds_versions[0].wsize; in ff_layout_pg_init_write()
1139 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_write()
1141 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_write()
1145 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
1148 trace_pnfs_mds_fallback_pg_init_write(pgio->pg_inode, in ff_layout_pg_init_write()
1150 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_write()
1151 pgio->pg_lseg); in ff_layout_pg_init_write()
1152 pgio->pg_maxretrans = 0; in ff_layout_pg_init_write()
1154 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
1161 if (!pgio->pg_lseg) { in ff_layout_pg_get_mirror_count_write()
1162 pgio->pg_lseg = in ff_layout_pg_get_mirror_count_write()
1163 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_get_mirror_count_write()
1164 req_offset(req), req->wb_bytes, in ff_layout_pg_get_mirror_count_write()
1166 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_mirror_count_write()
1167 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
1168 pgio->pg_lseg = NULL; in ff_layout_pg_get_mirror_count_write()
1172 if (pgio->pg_lseg) in ff_layout_pg_get_mirror_count_write()
1173 return FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
1175 trace_pnfs_mds_fallback_pg_get_mirror_count(pgio->pg_inode, in ff_layout_pg_get_mirror_count_write()
1177 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_get_mirror_count_write()
1178 pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
1188 u32 old = desc->pg_mirror_idx; in ff_layout_pg_set_mirror_write()
1190 desc->pg_mirror_idx = idx; in ff_layout_pg_set_mirror_write()
1197 return &desc->pg_mirrors[idx]; in ff_layout_pg_get_mirror_write()
1219 struct rpc_task *task = &hdr->task; in ff_layout_reset_write()
1221 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_write()
1226 hdr->task.tk_pid, in ff_layout_reset_write()
1227 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1228 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1229 hdr->args.count, in ff_layout_reset_write()
1230 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1232 hdr->completion_ops->reschedule_io(hdr); in ff_layout_reset_write()
1236 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_write()
1239 hdr->task.tk_pid, in ff_layout_reset_write()
1240 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1241 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1242 hdr->args.count, in ff_layout_reset_write()
1243 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1245 trace_pnfs_mds_fallback_write_done(hdr->inode, in ff_layout_reset_write()
1246 hdr->args.offset, hdr->args.count, in ff_layout_reset_write()
1247 IOMODE_RW, NFS_I(hdr->inode)->layout, in ff_layout_reset_write()
1248 hdr->lseg); in ff_layout_reset_write()
1249 task->tk_status = pnfs_write_done_resend_to_mds(hdr); in ff_layout_reset_write()
1255 u32 idx = hdr->pgio_mirror_idx + 1; in ff_layout_resend_pnfs_read()
1260 ds = ff_layout_choose_any_ds_for_read(hdr->lseg, idx, &new_idx, in ff_layout_resend_pnfs_read()
1261 hdr->args.offset, &dss_id); in ff_layout_resend_pnfs_read()
1263 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_resend_pnfs_read()
1265 ff_layout_send_layouterror(hdr->lseg); in ff_layout_resend_pnfs_read()
1271 struct rpc_task *task = &hdr->task; in ff_layout_reset_read()
1273 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_read()
1274 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_reset_read()
1276 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_read()
1279 hdr->task.tk_pid, in ff_layout_reset_read()
1280 hdr->inode->i_sb->s_id, in ff_layout_reset_read()
1281 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_read()
1282 hdr->args.count, in ff_layout_reset_read()
1283 (unsigned long long)hdr->args.offset); in ff_layout_reset_read()
1285 trace_pnfs_mds_fallback_read_done(hdr->inode, in ff_layout_reset_read()
1286 hdr->args.offset, hdr->args.count, in ff_layout_reset_read()
1287 IOMODE_READ, NFS_I(hdr->inode)->layout, in ff_layout_reset_read()
1288 hdr->lseg); in ff_layout_reset_read()
1289 task->tk_status = pnfs_read_done_resend_to_mds(hdr); in ff_layout_reset_read()
1300 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_async_handle_error_v4()
1301 struct inode *inode = lo->plh_inode; in ff_layout_async_handle_error_v4()
1303 struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table; in ff_layout_async_handle_error_v4()
1310 if (!task->tk_xprt) in ff_layout_async_handle_error_v4()
1312 xprt_force_disconnect(task->tk_xprt); in ff_layout_async_handle_error_v4()
1322 "flags 0x%x\n", __func__, task->tk_status, in ff_layout_async_handle_error_v4()
1323 clp->cl_exchange_flags); in ff_layout_async_handle_error_v4()
1324 nfs4_schedule_session_recovery(clp->cl_session, task->tk_status); in ff_layout_async_handle_error_v4()
1327 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v4()
1334 /* Invalidate Layout errors */ in ff_layout_async_handle_error_v4()
1342 task->tk_status); in ff_layout_async_handle_error_v4()
1345 * Layout will not be destroyed until all current lseg in ff_layout_async_handle_error_v4()
1347 * i/o and all i/o waiting on the slot table to the MDS until in ff_layout_async_handle_error_v4()
1351 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1357 switch (task->tk_status) { in ff_layout_async_handle_error_v4()
1358 /* RPC connection errors */ in ff_layout_async_handle_error_v4()
1359 case -ENETDOWN: in ff_layout_async_handle_error_v4()
1360 case -ENETUNREACH: in ff_layout_async_handle_error_v4()
1361 if (test_bit(NFS_CS_NETUNREACH_FATAL, &clp->cl_flags)) in ff_layout_async_handle_error_v4()
1362 return -NFS4ERR_FATAL_IOERROR; in ff_layout_async_handle_error_v4()
1364 case -ECONNREFUSED: in ff_layout_async_handle_error_v4()
1365 case -EHOSTDOWN: in ff_layout_async_handle_error_v4()
1366 case -EHOSTUNREACH: in ff_layout_async_handle_error_v4()
1367 case -EIO: in ff_layout_async_handle_error_v4()
1368 case -ETIMEDOUT: in ff_layout_async_handle_error_v4()
1369 case -EPIPE: in ff_layout_async_handle_error_v4()
1370 case -EPROTO: in ff_layout_async_handle_error_v4()
1371 case -ENODEV: in ff_layout_async_handle_error_v4()
1373 task->tk_status); in ff_layout_async_handle_error_v4()
1374 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v4()
1375 &devid->deviceid); in ff_layout_async_handle_error_v4()
1376 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1383 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v4()
1385 dprintk("%s Retry through MDS. Error %d\n", __func__, in ff_layout_async_handle_error_v4()
1386 task->tk_status); in ff_layout_async_handle_error_v4()
1387 return -NFS4ERR_RESET_TO_MDS; in ff_layout_async_handle_error_v4()
1390 task->tk_status = 0; in ff_layout_async_handle_error_v4()
1391 return -EAGAIN; in ff_layout_async_handle_error_v4()
1394 /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
1408 if (!task->tk_xprt) in ff_layout_async_handle_error_v3()
1410 xprt_force_disconnect(task->tk_xprt); in ff_layout_async_handle_error_v3()
1421 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v3()
1427 switch (task->tk_status) { in ff_layout_async_handle_error_v3()
1429 case -EACCES: in ff_layout_async_handle_error_v3()
1430 case -ESTALE: in ff_layout_async_handle_error_v3()
1431 case -EISDIR: in ff_layout_async_handle_error_v3()
1432 case -EBADHANDLE: in ff_layout_async_handle_error_v3()
1433 case -ELOOP: in ff_layout_async_handle_error_v3()
1434 case -ENOSPC: in ff_layout_async_handle_error_v3()
1436 case -EJUKEBOX: in ff_layout_async_handle_error_v3()
1437 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v3()
1439 case -ENETDOWN: in ff_layout_async_handle_error_v3()
1440 case -ENETUNREACH: in ff_layout_async_handle_error_v3()
1441 if (test_bit(NFS_CS_NETUNREACH_FATAL, &clp->cl_flags)) in ff_layout_async_handle_error_v3()
1442 return -NFS4ERR_FATAL_IOERROR; in ff_layout_async_handle_error_v3()
1446 task->tk_status); in ff_layout_async_handle_error_v3()
1447 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v3()
1448 &devid->deviceid); in ff_layout_async_handle_error_v3()
1452 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v3()
1454 task->tk_status = 0; in ff_layout_async_handle_error_v3()
1457 return -EAGAIN; in ff_layout_async_handle_error_v3()
1467 int vers = clp->cl_nfs_mod->rpc_vers->number; in ff_layout_async_handle_error()
1469 if (task->tk_status >= 0) { in ff_layout_async_handle_error()
1476 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error()
1502 case -ETIMEDOUT: in ff_layout_io_track_ds_error()
1503 case -EPFNOSUPPORT: in ff_layout_io_track_ds_error()
1504 case -EPROTONOSUPPORT: in ff_layout_io_track_ds_error()
1505 case -EOPNOTSUPP: in ff_layout_io_track_ds_error()
1506 case -EINVAL: in ff_layout_io_track_ds_error()
1507 case -ECONNREFUSED: in ff_layout_io_track_ds_error()
1508 case -ECONNRESET: in ff_layout_io_track_ds_error()
1509 case -EHOSTDOWN: in ff_layout_io_track_ds_error()
1510 case -EHOSTUNREACH: in ff_layout_io_track_ds_error()
1511 case -ENETDOWN: in ff_layout_io_track_ds_error()
1512 case -ENETUNREACH: in ff_layout_io_track_ds_error()
1513 case -EADDRINUSE: in ff_layout_io_track_ds_error()
1514 case -ENOBUFS: in ff_layout_io_track_ds_error()
1515 case -EPIPE: in ff_layout_io_track_ds_error()
1516 case -EPERM: in ff_layout_io_track_ds_error()
1517 case -EPROTO: in ff_layout_io_track_ds_error()
1518 case -ENODEV: in ff_layout_io_track_ds_error()
1521 case -EACCES: in ff_layout_io_track_ds_error()
1530 err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout), in ff_layout_io_track_ds_error()
1549 pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, in ff_layout_io_track_ds_error()
1560 struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(hdr->lseg); in ff_layout_read_done_cb()
1562 flseg->stripe_unit, in ff_layout_read_done_cb()
1563 flseg->mirror_array[hdr->pgio_mirror_idx]->dss_count, in ff_layout_read_done_cb()
1564 hdr->args.offset); in ff_layout_read_done_cb()
1567 if (task->tk_status < 0) { in ff_layout_read_done_cb()
1568 ff_layout_io_track_ds_error(hdr->lseg, in ff_layout_read_done_cb()
1569 hdr->pgio_mirror_idx, dss_id, in ff_layout_read_done_cb()
1570 hdr->args.offset, hdr->args.count, in ff_layout_read_done_cb()
1571 &hdr->res.op_status, OP_READ, in ff_layout_read_done_cb()
1572 task->tk_status); in ff_layout_read_done_cb()
1573 trace_ff_layout_read_error(hdr, task->tk_status); in ff_layout_read_done_cb()
1576 err = ff_layout_async_handle_error(task, hdr->res.op_status, in ff_layout_read_done_cb()
1577 hdr->args.context->state, in ff_layout_read_done_cb()
1578 hdr->ds_clp, hdr->lseg, in ff_layout_read_done_cb()
1579 hdr->pgio_mirror_idx, in ff_layout_read_done_cb()
1583 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1584 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1586 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_read_done_cb()
1587 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1588 return task->tk_status; in ff_layout_read_done_cb()
1589 case -NFS4ERR_RESET_TO_MDS: in ff_layout_read_done_cb()
1590 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1591 return task->tk_status; in ff_layout_read_done_cb()
1592 case -EAGAIN: in ff_layout_read_done_cb()
1594 case -NFS4ERR_FATAL_IOERROR: in ff_layout_read_done_cb()
1595 task->tk_status = -EIO; in ff_layout_read_done_cb()
1602 return -EAGAIN; in ff_layout_read_done_cb()
1608 return !(FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_LAYOUTCOMMIT); in ff_layout_need_layoutcommit()
1617 * to follow http://www.rfc-editor.org/errata_search.php?rfc=5661&eid=2751
1629 dprintk("%s inode %lu pls_end_pos %llu\n", __func__, inode->i_ino, in ff_layout_set_layoutcommit()
1630 (unsigned long long) NFS_I(inode)->layout->plh_lwb); in ff_layout_set_layoutcommit()
1639 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_start()
1642 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_read_record_layoutstats_start()
1644 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_read_record_layoutstats_start()
1645 mirror->dss_count, in ff_layout_read_record_layoutstats_start()
1646 hdr->args.offset); in ff_layout_read_record_layoutstats_start()
1649 hdr->inode, in ff_layout_read_record_layoutstats_start()
1652 hdr->args.count, in ff_layout_read_record_layoutstats_start()
1653 task->tk_start); in ff_layout_read_record_layoutstats_start()
1662 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_done()
1665 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_read_record_layoutstats_done()
1667 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_read_record_layoutstats_done()
1668 mirror->dss_count, in ff_layout_read_record_layoutstats_done()
1669 hdr->args.offset); in ff_layout_read_record_layoutstats_done()
1675 hdr->args.count, in ff_layout_read_record_layoutstats_done()
1676 hdr->res.count); in ff_layout_read_record_layoutstats_done()
1677 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_read_record_layoutstats_done()
1683 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_read_prepare_common()
1684 rpc_exit(task, -EIO); in ff_layout_read_prepare_common()
1685 return -EIO; in ff_layout_read_prepare_common()
1688 if (!pnfs_is_valid_lseg(hdr->lseg)) { in ff_layout_read_prepare_common()
1689 rpc_exit(task, -EAGAIN); in ff_layout_read_prepare_common()
1690 return -EAGAIN; in ff_layout_read_prepare_common()
1716 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_read_prepare_v4()
1717 &hdr->args.seq_args, in ff_layout_read_prepare_v4()
1718 &hdr->res.seq_res, in ff_layout_read_prepare_v4()
1729 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_read_call_done()
1730 task->tk_status == 0) { in ff_layout_read_call_done()
1731 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_read_call_done()
1736 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_read_call_done()
1745 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_READ]); in ff_layout_read_count_stats()
1752 ff_layout_read_record_layoutstats_done(&hdr->task, hdr); in ff_layout_read_release()
1753 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) in ff_layout_read_release()
1755 else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_read_release()
1764 struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(hdr->lseg); in ff_layout_write_done_cb()
1766 flseg->stripe_unit, in ff_layout_write_done_cb()
1767 flseg->mirror_array[hdr->pgio_mirror_idx]->dss_count, in ff_layout_write_done_cb()
1768 hdr->args.offset); in ff_layout_write_done_cb()
1772 if (task->tk_status < 0) { in ff_layout_write_done_cb()
1773 ff_layout_io_track_ds_error(hdr->lseg, in ff_layout_write_done_cb()
1774 hdr->pgio_mirror_idx, dss_id, in ff_layout_write_done_cb()
1775 hdr->args.offset, hdr->args.count, in ff_layout_write_done_cb()
1776 &hdr->res.op_status, OP_WRITE, in ff_layout_write_done_cb()
1777 task->tk_status); in ff_layout_write_done_cb()
1778 trace_ff_layout_write_error(hdr, task->tk_status); in ff_layout_write_done_cb()
1781 err = ff_layout_async_handle_error(task, hdr->res.op_status, in ff_layout_write_done_cb()
1782 hdr->args.context->state, in ff_layout_write_done_cb()
1783 hdr->ds_clp, hdr->lseg, in ff_layout_write_done_cb()
1784 hdr->pgio_mirror_idx, in ff_layout_write_done_cb()
1788 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1789 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1791 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_write_done_cb()
1792 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1793 return task->tk_status; in ff_layout_write_done_cb()
1794 case -NFS4ERR_RESET_TO_MDS: in ff_layout_write_done_cb()
1795 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1796 return task->tk_status; in ff_layout_write_done_cb()
1797 case -EAGAIN: in ff_layout_write_done_cb()
1798 return -EAGAIN; in ff_layout_write_done_cb()
1799 case -NFS4ERR_FATAL_IOERROR: in ff_layout_write_done_cb()
1800 task->tk_status = -EIO; in ff_layout_write_done_cb()
1804 if (hdr->res.verf->committed == NFS_FILE_SYNC || in ff_layout_write_done_cb()
1805 hdr->res.verf->committed == NFS_DATA_SYNC) in ff_layout_write_done_cb()
1806 end_offs = hdr->mds_offset + (loff_t)hdr->res.count; in ff_layout_write_done_cb()
1809 ff_layout_set_layoutcommit(hdr->inode, hdr->lseg, end_offs); in ff_layout_write_done_cb()
1811 /* zero out fattr since we don't care DS attr at all */ in ff_layout_write_done_cb()
1812 hdr->fattr.valid = 0; in ff_layout_write_done_cb()
1813 if (task->tk_status >= 0) in ff_layout_write_done_cb()
1823 u32 idx = calc_mirror_idx_from_commit(data->lseg, data->ds_commit_index); in ff_layout_commit_done_cb()
1824 u32 dss_id = calc_dss_id_from_commit(data->lseg, data->ds_commit_index); in ff_layout_commit_done_cb()
1826 if (task->tk_status < 0) { in ff_layout_commit_done_cb()
1827 ff_layout_io_track_ds_error(data->lseg, idx, dss_id, in ff_layout_commit_done_cb()
1828 data->args.offset, data->args.count, in ff_layout_commit_done_cb()
1829 &data->res.op_status, OP_COMMIT, in ff_layout_commit_done_cb()
1830 task->tk_status); in ff_layout_commit_done_cb()
1831 trace_ff_layout_commit_error(data, task->tk_status); in ff_layout_commit_done_cb()
1834 err = ff_layout_async_handle_error(task, data->res.op_status, in ff_layout_commit_done_cb()
1835 NULL, data->ds_clp, data->lseg, idx, in ff_layout_commit_done_cb()
1840 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_commit_done_cb()
1842 return -EAGAIN; in ff_layout_commit_done_cb()
1843 case -NFS4ERR_RESET_TO_MDS: in ff_layout_commit_done_cb()
1845 return -EAGAIN; in ff_layout_commit_done_cb()
1846 case -EAGAIN: in ff_layout_commit_done_cb()
1848 return -EAGAIN; in ff_layout_commit_done_cb()
1849 case -NFS4ERR_FATAL_IOERROR: in ff_layout_commit_done_cb()
1850 task->tk_status = -EIO; in ff_layout_commit_done_cb()
1854 ff_layout_set_layoutcommit(data->inode, data->lseg, data->lwb); in ff_layout_commit_done_cb()
1864 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_start()
1867 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_write_record_layoutstats_start()
1869 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_write_record_layoutstats_start()
1870 mirror->dss_count, in ff_layout_write_record_layoutstats_start()
1871 hdr->args.offset); in ff_layout_write_record_layoutstats_start()
1874 hdr->inode, in ff_layout_write_record_layoutstats_start()
1877 hdr->args.count, in ff_layout_write_record_layoutstats_start()
1878 task->tk_start); in ff_layout_write_record_layoutstats_start()
1887 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_done()
1890 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_write_record_layoutstats_done()
1892 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_write_record_layoutstats_done()
1893 mirror->dss_count, in ff_layout_write_record_layoutstats_done()
1894 hdr->args.offset); in ff_layout_write_record_layoutstats_done()
1900 hdr->args.count, in ff_layout_write_record_layoutstats_done()
1901 hdr->res.count, in ff_layout_write_record_layoutstats_done()
1902 hdr->res.verf->committed); in ff_layout_write_record_layoutstats_done()
1903 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_write_record_layoutstats_done()
1909 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_write_prepare_common()
1910 rpc_exit(task, -EIO); in ff_layout_write_prepare_common()
1911 return -EIO; in ff_layout_write_prepare_common()
1914 if (!pnfs_is_valid_lseg(hdr->lseg)) { in ff_layout_write_prepare_common()
1915 rpc_exit(task, -EAGAIN); in ff_layout_write_prepare_common()
1916 return -EAGAIN; in ff_layout_write_prepare_common()
1937 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_write_prepare_v4()
1938 &hdr->args.seq_args, in ff_layout_write_prepare_v4()
1939 &hdr->res.seq_res, in ff_layout_write_prepare_v4()
1950 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_write_call_done()
1951 task->tk_status == 0) { in ff_layout_write_call_done()
1952 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_write_call_done()
1957 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_write_call_done()
1966 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_WRITE]); in ff_layout_write_count_stats()
1973 ff_layout_write_record_layoutstats_done(&hdr->task, hdr); in ff_layout_write_release()
1974 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) { in ff_layout_write_release()
1975 ff_layout_send_layouterror(hdr->lseg); in ff_layout_write_release()
1977 } else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_write_release()
1987 if (test_and_set_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_start()
1990 idx = calc_mirror_idx_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_start()
1991 dss_id = calc_dss_id_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_start()
1992 nfs4_ff_layout_stat_io_start_write(cdata->inode, in ff_layout_commit_record_layoutstats_start()
1993 FF_LAYOUT_COMP(cdata->lseg, idx), in ff_layout_commit_record_layoutstats_start()
1995 0, task->tk_start); in ff_layout_commit_record_layoutstats_start()
2005 if (!test_and_clear_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_done()
2008 if (task->tk_status == 0) { in ff_layout_commit_record_layoutstats_done()
2009 list_for_each_entry(req, &cdata->pages, wb_list) in ff_layout_commit_record_layoutstats_done()
2010 count += req->wb_bytes; in ff_layout_commit_record_layoutstats_done()
2013 idx = calc_mirror_idx_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_done()
2014 dss_id = calc_dss_id_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_done()
2016 FF_LAYOUT_COMP(cdata->lseg, idx), in ff_layout_commit_record_layoutstats_done()
2019 set_bit(NFS_LSEG_LAYOUTRETURN, &cdata->lseg->pls_flags); in ff_layout_commit_record_layoutstats_done()
2025 if (!pnfs_is_valid_lseg(cdata->lseg)) { in ff_layout_commit_prepare_common()
2026 rpc_exit(task, -EAGAIN); in ff_layout_commit_prepare_common()
2027 return -EAGAIN; in ff_layout_commit_prepare_common()
2046 if (nfs4_setup_sequence(wdata->ds_clp, in ff_layout_commit_prepare_v4()
2047 &wdata->args.seq_args, in ff_layout_commit_prepare_v4()
2048 &wdata->res.seq_res, in ff_layout_commit_prepare_v4()
2065 &NFS_CLIENT(cdata->inode)->cl_metrics[NFSPROC4_CLNT_COMMIT]); in ff_layout_commit_count_stats()
2072 ff_layout_commit_record_layoutstats_done(&cdata->task, cdata); in ff_layout_commit_release()
2121 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_read_pagelist()
2127 loff_t offset = hdr->args.offset; in ff_layout_read_pagelist()
2128 u32 idx = hdr->pgio_mirror_idx; in ff_layout_read_pagelist()
2134 dprintk("--> %s ino %lu pgbase %u req %zu@%llu\n", in ff_layout_read_pagelist()
2135 __func__, hdr->inode->i_ino, in ff_layout_read_pagelist()
2136 hdr->args.pgbase, (size_t)hdr->args.count, offset); in ff_layout_read_pagelist()
2140 FF_LAYOUT_LSEG(lseg)->stripe_unit, in ff_layout_read_pagelist()
2141 mirror->dss_count, in ff_layout_read_pagelist()
2149 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_read_pagelist()
2150 hdr->inode, dss_id); in ff_layout_read_pagelist()
2154 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred, dss_id); in ff_layout_read_pagelist()
2161 ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), vers); in ff_layout_read_pagelist()
2163 hdr->pgio_done_cb = ff_layout_read_done_cb; in ff_layout_read_pagelist()
2164 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_read_pagelist()
2165 hdr->ds_clp = ds->ds_clp; in ff_layout_read_pagelist()
2168 hdr->args.fh = fh; in ff_layout_read_pagelist()
2170 nfs4_ff_layout_select_ds_stateid(mirror, dss_id, &hdr->args.stateid); in ff_layout_read_pagelist()
2174 * then we may need to handle dense-like offsets. in ff_layout_read_pagelist()
2176 hdr->args.offset = offset; in ff_layout_read_pagelist()
2177 hdr->mds_offset = offset; in ff_layout_read_pagelist()
2180 localio = ff_local_open_fh(lseg, idx, dss_id, ds->ds_clp, ds_cred, fh, in ff_layout_read_pagelist()
2183 hdr->task.tk_start = ktime_get(); in ff_layout_read_pagelist()
2184 ff_layout_read_record_layoutstats_start(&hdr->task, hdr); in ff_layout_read_pagelist()
2188 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_read_pagelist()
2198 trace_pnfs_mds_fallback_read_pagelist(hdr->inode, in ff_layout_read_pagelist()
2199 hdr->args.offset, hdr->args.count, in ff_layout_read_pagelist()
2200 IOMODE_READ, NFS_I(hdr->inode)->layout, lseg); in ff_layout_read_pagelist()
2208 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_write_pagelist()
2214 loff_t offset = hdr->args.offset; in ff_layout_write_pagelist()
2217 u32 idx = hdr->pgio_mirror_idx; in ff_layout_write_pagelist()
2223 FF_LAYOUT_LSEG(lseg)->stripe_unit, in ff_layout_write_pagelist()
2224 mirror->dss_count, in ff_layout_write_pagelist()
2232 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_write_pagelist()
2233 hdr->inode, dss_id); in ff_layout_write_pagelist()
2237 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred, dss_id); in ff_layout_write_pagelist()
2244 __func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count, in ff_layout_write_pagelist()
2245 offset, ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), in ff_layout_write_pagelist()
2248 hdr->pgio_done_cb = ff_layout_write_done_cb; in ff_layout_write_pagelist()
2249 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_write_pagelist()
2250 hdr->ds_clp = ds->ds_clp; in ff_layout_write_pagelist()
2251 hdr->ds_commit_idx = calc_commit_idx(lseg, idx, dss_id); in ff_layout_write_pagelist()
2254 hdr->args.fh = fh; in ff_layout_write_pagelist()
2256 nfs4_ff_layout_select_ds_stateid(mirror, dss_id, &hdr->args.stateid); in ff_layout_write_pagelist()
2260 * then we may need to handle dense-like offsets. in ff_layout_write_pagelist()
2262 hdr->args.offset = offset; in ff_layout_write_pagelist()
2265 localio = ff_local_open_fh(lseg, idx, dss_id, ds->ds_clp, ds_cred, fh, in ff_layout_write_pagelist()
2268 hdr->task.tk_start = ktime_get(); in ff_layout_write_pagelist()
2269 ff_layout_write_record_layoutstats_start(&hdr->task, hdr); in ff_layout_write_pagelist()
2273 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_write_pagelist()
2283 trace_pnfs_mds_fallback_write_pagelist(hdr->inode, in ff_layout_write_pagelist()
2284 hdr->args.offset, hdr->args.count, in ff_layout_write_pagelist()
2285 IOMODE_RW, NFS_I(hdr->inode)->layout, lseg); in ff_layout_write_pagelist()
2297 return &flseg->mirror_array[i]->dss[dss_id].fh_versions[0]; in select_ds_fh_from_commit()
2302 struct pnfs_layout_segment *lseg = data->lseg; in ff_layout_initiate_commit()
2313 test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags))) in ff_layout_initiate_commit()
2316 idx = calc_mirror_idx_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
2318 dss_id = calc_dss_id_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
2323 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_initiate_commit()
2324 data->inode, dss_id); in ff_layout_initiate_commit()
2328 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, data->cred, dss_id); in ff_layout_initiate_commit()
2335 data->inode->i_ino, how, refcount_read(&ds->ds_clp->cl_count), in ff_layout_initiate_commit()
2337 data->commit_done_cb = ff_layout_commit_done_cb; in ff_layout_initiate_commit()
2338 data->cred = ds_cred; in ff_layout_initiate_commit()
2339 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_initiate_commit()
2340 data->ds_clp = ds->ds_clp; in ff_layout_initiate_commit()
2343 data->args.fh = fh; in ff_layout_initiate_commit()
2346 localio = ff_local_open_fh(lseg, idx, dss_id, ds->ds_clp, ds_cred, fh, in ff_layout_initiate_commit()
2349 data->task.tk_start = ktime_get(); in ff_layout_initiate_commit()
2350 ff_layout_commit_record_layoutstats_start(&data->task, data); in ff_layout_initiate_commit()
2353 ret = nfs_initiate_commit(ds_clnt, data, ds->ds_clp->rpc_ops, in ff_layout_initiate_commit()
2362 return -EAGAIN; in ff_layout_initiate_commit()
2377 return hdr->lseg == lseg; in ff_layout_match_rw()
2384 return cdata->lseg == lseg; in ff_layout_match_commit()
2389 const struct rpc_call_ops *ops = task->tk_ops; in ff_layout_match_io()
2395 return ff_layout_match_rw(task, task->tk_calldata, data); in ff_layout_match_io()
2398 return ff_layout_match_commit(task, task->tk_calldata, data); in ff_layout_match_io()
2412 for (idx = 0; idx < flseg->mirror_array_cnt; idx++) { in ff_layout_cancel_io()
2413 mirror = flseg->mirror_array[idx]; in ff_layout_cancel_io()
2414 for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) { in ff_layout_cancel_io()
2415 mirror_ds = mirror->dss[dss_id].mirror_ds; in ff_layout_cancel_io()
2418 ds = mirror->dss[dss_id].mirror_ds->ds; in ff_layout_cancel_io()
2421 ds_clp = ds->ds_clp; in ff_layout_cancel_io()
2424 clnt = ds_clp->cl_rpcclient; in ff_layout_cancel_io()
2427 if (!rpc_cancel_tasks(clnt, -EAGAIN, in ff_layout_cancel_io()
2438 struct pnfs_layout_hdr *layout = NFS_I(inode)->layout; in ff_layout_get_ds_info()
2443 return &FF_LAYOUT_FROM_HDR(layout)->commit_info; in ff_layout_get_ds_info()
2451 struct inode *inode = lseg->pls_layout->plh_inode; in ff_layout_setup_ds_info()
2453 u32 size = flseg->mirror_array_cnt * flseg->mirror_array[0]->dss_count; in ff_layout_setup_ds_info()
2458 spin_lock(&inode->i_lock); in ff_layout_setup_ds_info()
2460 spin_unlock(&inode->i_lock); in ff_layout_setup_ds_info()
2470 spin_lock(&inode->i_lock); in ff_layout_release_ds_info()
2472 spin_unlock(&inode->i_lock); in ff_layout_release_ds_info()
2490 return -E2BIG; in ff_layout_encode_ioerr()
2492 *start = cpu_to_be32(ff_args->num_errors); in ff_layout_encode_ioerr()
2494 return ff_layout_encode_ds_ioerr(xdr, &ff_args->errors); in ff_layout_encode_ioerr()
2505 p = xdr_encode_hyper(p, devinfo->offset); in ff_layout_encode_ff_iostat_head()
2506 p = xdr_encode_hyper(p, devinfo->length); in ff_layout_encode_ff_iostat_head()
2507 encode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); in ff_layout_encode_ff_iostat_head()
2509 p = xdr_encode_hyper(p, devinfo->read_count); in ff_layout_encode_ff_iostat_head()
2510 p = xdr_encode_hyper(p, devinfo->read_bytes); in ff_layout_encode_ff_iostat_head()
2511 p = xdr_encode_hyper(p, devinfo->write_count); in ff_layout_encode_ff_iostat_head()
2512 p = xdr_encode_hyper(p, devinfo->write_bytes); in ff_layout_encode_ff_iostat_head()
2513 encode_opaque_fixed(xdr, devinfo->dev_id.data, NFS4_DEVICEID4_SIZE); in ff_layout_encode_ff_iostat_head()
2523 devinfo->ld_private.data); in ff_layout_encode_ff_iostat()
2535 *p = cpu_to_be32(ff_args->num_dev); in ff_layout_encode_iostats_array()
2536 for (i = 0; i < ff_args->num_dev; i++) in ff_layout_encode_iostats_array()
2538 &args->layout->plh_stateid, in ff_layout_encode_iostats_array()
2539 &ff_args->devinfo[i]); in ff_layout_encode_iostats_array()
2551 if (!devinfo[i].ld_private.ops->free) in ff_layout_free_iostats_array()
2553 devinfo[i].ld_private.ops->free(&devinfo[i].ld_private); in ff_layout_free_iostats_array()
2566 return &dsaddr->id_node; in ff_layout_alloc_deviceid_node()
2575 struct nfs4_flexfile_layoutreturn_args *ff_args = ff_opaque->data; in ff_layout_encode_layoutreturn()
2579 .iov_base = page_address(ff_args->pages[0]), in ff_layout_encode_layoutreturn()
2596 xdr_write_pages(xdr, ff_args->pages, 0, tmp_buf.len); in ff_layout_encode_layoutreturn()
2606 if (!args->data) in ff_layout_free_layoutreturn()
2608 ff_args = args->data; in ff_layout_free_layoutreturn()
2609 args->data = NULL; in ff_layout_free_layoutreturn()
2611 ff_layout_free_ds_ioerr(&ff_args->errors); in ff_layout_free_layoutreturn()
2612 ff_layout_free_iostats_array(ff_args->devinfo, ff_args->num_dev); in ff_layout_free_layoutreturn()
2614 put_page(ff_args->pages[0]); in ff_layout_free_layoutreturn()
2627 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(args->layout); in ff_layout_prepare_layoutreturn()
2632 ff_args->pages[0] = alloc_page(nfs_io_gfp_mask()); in ff_layout_prepare_layoutreturn()
2633 if (!ff_args->pages[0]) in ff_layout_prepare_layoutreturn()
2636 INIT_LIST_HEAD(&ff_args->errors); in ff_layout_prepare_layoutreturn()
2637 ff_args->num_errors = ff_layout_fetch_ds_ioerr(args->layout, in ff_layout_prepare_layoutreturn()
2638 &args->range, &ff_args->errors, in ff_layout_prepare_layoutreturn()
2641 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2642 ff_args->num_dev = ff_layout_mirror_prepare_stats( in ff_layout_prepare_layoutreturn()
2643 &ff_layout->generic_hdr, &ff_args->devinfo[0], in ff_layout_prepare_layoutreturn()
2644 ARRAY_SIZE(ff_args->devinfo), NFS4_FF_OP_LAYOUTRETURN); in ff_layout_prepare_layoutreturn()
2645 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2647 args->ld_private->ops = &layoutreturn_ops; in ff_layout_prepare_layoutreturn()
2648 args->ld_private->data = ff_args; in ff_layout_prepare_layoutreturn()
2653 return -ENOMEM; in ff_layout_prepare_layoutreturn()
2660 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_send_layouterror()
2661 struct nfs42_layout_error *errors; in ff_layout_send_layouterror() local
2664 if (!nfs_server_capable(lo->plh_inode, NFS_CAP_LAYOUTERROR)) in ff_layout_send_layouterror()
2666 ff_layout_fetch_ds_ioerr(lo, &lseg->pls_range, &head, -1); in ff_layout_send_layouterror()
2670 errors = kmalloc_array(NFS42_LAYOUTERROR_MAX, sizeof(*errors), in ff_layout_send_layouterror()
2672 if (errors != NULL) { in ff_layout_send_layouterror()
2677 errors[n].offset = pos->offset; in ff_layout_send_layouterror()
2678 errors[n].length = pos->length; in ff_layout_send_layouterror()
2679 nfs4_stateid_copy(&errors[n].stateid, &pos->stateid); in ff_layout_send_layouterror()
2680 errors[n].errors[0].dev_id = pos->deviceid; in ff_layout_send_layouterror()
2681 errors[n].errors[0].status = pos->status; in ff_layout_send_layouterror()
2682 errors[n].errors[0].opnum = pos->opnum; in ff_layout_send_layouterror()
2684 if (!list_is_last(&pos->list, &head) && in ff_layout_send_layouterror()
2687 if (nfs42_proc_layouterror(lseg, errors, n) < 0) in ff_layout_send_layouterror()
2691 kfree(errors); in ff_layout_send_layouterror()
2707 return snprintf(buf, buflen, "%pI4", &sin->sin_addr); in ff_layout_ntop4()
2715 const struct in6_addr *addr = &sin6->sin6_addr; in ff_layout_ntop6_noscopeid()
2741 &addr->s6_addr32[3]); in ff_layout_ntop6_noscopeid()
2753 struct sockaddr *sap = (struct sockaddr *)&da->da_addr; in ff_layout_encode_netaddr()
2760 switch (sap->sa_family) { in ff_layout_encode_netaddr()
2764 port = ntohs(((struct sockaddr_in *)sap)->sin_port); in ff_layout_encode_netaddr()
2769 port = ntohs(((struct sockaddr_in6 *)sap)->sin6_port); in ff_layout_encode_netaddr()
2779 netid_len = strlen(da->da_netid); in ff_layout_encode_netaddr()
2781 xdr_encode_opaque(p, da->da_netid, netid_len); in ff_layout_encode_netaddr()
2807 p = xdr_encode_hyper(p, stat->ops_requested); in ff_layout_encode_io_latency()
2808 p = xdr_encode_hyper(p, stat->bytes_requested); in ff_layout_encode_io_latency()
2809 p = xdr_encode_hyper(p, stat->ops_completed); in ff_layout_encode_io_latency()
2810 p = xdr_encode_hyper(p, stat->bytes_completed); in ff_layout_encode_io_latency()
2811 p = xdr_encode_hyper(p, stat->bytes_not_delivered); in ff_layout_encode_io_latency()
2812 ff_layout_encode_nfstime(xdr, stat->total_busy_time); in ff_layout_encode_io_latency()
2813 ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time); in ff_layout_encode_io_latency()
2822 struct nfs4_pnfs_ds *ds = dss_info->mirror_ds->ds; in ff_layout_encode_ff_layoutupdate()
2823 struct nfs_fh *fh = &dss_info->fh_versions[0]; in ff_layout_encode_ff_layoutupdate()
2826 da = list_first_entry(&ds->ds_addrs, struct nfs4_pnfs_ds_addr, da_node); in ff_layout_encode_ff_layoutupdate()
2828 __func__, ds->ds_remotestr, da->da_remotestr); in ff_layout_encode_ff_layoutupdate()
2832 p = xdr_reserve_space(xdr, 4 + fh->size); in ff_layout_encode_ff_layoutupdate()
2833 xdr_encode_opaque(p, fh->data, fh->size); in ff_layout_encode_ff_layoutupdate()
2835 spin_lock(&dss_info->mirror->lock); in ff_layout_encode_ff_layoutupdate()
2837 &dss_info->read_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2840 &dss_info->write_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2841 spin_unlock(&dss_info->mirror->lock); in ff_layout_encode_ff_layoutupdate()
2845 dss_info->start_time)); in ff_layout_encode_ff_layoutupdate()
2861 ff_layout_encode_ff_layoutupdate(xdr, devinfo, opaque->data); in ff_layout_encode_layoutstats()
2863 *start = cpu_to_be32((xdr->p - start - 1) * 4); in ff_layout_encode_layoutstats()
2869 struct nfs4_ff_layout_ds_stripe *dss_info = opaque->data; in ff_layout_free_layoutstats()
2870 struct nfs4_ff_layout_mirror *mirror = dss_info->mirror; in ff_layout_free_layoutstats()
2891 list_for_each_entry(mirror, &ff_layout->mirrors, mirrors) { in ff_layout_mirror_prepare_stats()
2892 for (dss_id = 0; dss_id < mirror->dss_count; ++dss_id) { in ff_layout_mirror_prepare_stats()
2893 dss_info = &mirror->dss[dss_id]; in ff_layout_mirror_prepare_stats()
2896 if (IS_ERR_OR_NULL(dss_info->mirror_ds)) in ff_layout_mirror_prepare_stats()
2899 &mirror->flags) && in ff_layout_mirror_prepare_stats()
2903 if (!refcount_inc_not_zero(&mirror->ref)) in ff_layout_mirror_prepare_stats()
2905 dev = &dss_info->mirror_ds->id_node; in ff_layout_mirror_prepare_stats()
2906 memcpy(&devinfo->dev_id, in ff_layout_mirror_prepare_stats()
2907 &dev->deviceid, in ff_layout_mirror_prepare_stats()
2909 devinfo->offset = 0; in ff_layout_mirror_prepare_stats()
2910 devinfo->length = NFS4_MAX_UINT64; in ff_layout_mirror_prepare_stats()
2911 spin_lock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2912 devinfo->read_count = in ff_layout_mirror_prepare_stats()
2913 dss_info->read_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2914 devinfo->read_bytes = in ff_layout_mirror_prepare_stats()
2915 dss_info->read_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2916 devinfo->write_count = in ff_layout_mirror_prepare_stats()
2917 dss_info->write_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2918 devinfo->write_bytes = in ff_layout_mirror_prepare_stats()
2919 dss_info->write_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2920 spin_unlock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2921 devinfo->layout_type = LAYOUT_FLEX_FILES; in ff_layout_mirror_prepare_stats()
2922 devinfo->ld_private.ops = &layoutstat_ops; in ff_layout_mirror_prepare_stats()
2923 devinfo->ld_private.data = &mirror->dss[dss_id]; in ff_layout_mirror_prepare_stats()
2939 args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo), in ff_layout_prepare_layoutstats()
2941 if (!args->devinfo) in ff_layout_prepare_layoutstats()
2942 return -ENOMEM; in ff_layout_prepare_layoutstats()
2944 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2945 lo = NFS_I(args->inode)->layout; in ff_layout_prepare_layoutstats()
2948 args->num_dev = ff_layout_mirror_prepare_stats( in ff_layout_prepare_layoutstats()
2949 &ff_layout->generic_hdr, &args->devinfo[0], dev_count, in ff_layout_prepare_layoutstats()
2952 args->num_dev = 0; in ff_layout_prepare_layoutstats()
2953 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2954 if (!args->num_dev) { in ff_layout_prepare_layoutstats()
2955 kfree(args->devinfo); in ff_layout_prepare_layoutstats()
2956 args->devinfo = NULL; in ff_layout_prepare_layoutstats()
2957 return -ENOENT; in ff_layout_prepare_layoutstats()
2968 server->caps |= NFS_CAP_LAYOUTSTATS | NFS_CAP_REBOOT_LAYOUTRETURN; in ff_layout_set_layoutdriver()
3022 MODULE_ALIAS("nfs-layouttype4-4");