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.
43 struct nfs4_ff_layout_mirror *mirror);
52 pnfs_init_ds_commit_info(&ffl->commit_info); in ff_layout_alloc_layout_hdr()
53 INIT_LIST_HEAD(&ffl->error_list); in ff_layout_alloc_layout_hdr()
54 INIT_LIST_HEAD(&ffl->mirrors); in ff_layout_alloc_layout_hdr()
55 ffl->last_report_time = ktime_get(); in ff_layout_alloc_layout_hdr()
56 ffl->commit_info.ops = &ff_layout_commit_ops; in ff_layout_alloc_layout_hdr()
57 return &ffl->generic_hdr; in ff_layout_alloc_layout_hdr()
68 list_for_each_entry_safe(err, n, &ffl->error_list, list) { in ff_layout_free_layout_hdr()
69 list_del(&err->list); in ff_layout_free_layout_hdr()
81 return -ENOBUFS; in decode_pnfs_stateid()
82 stateid->type = NFS4_PNFS_DS_STATEID_TYPE; in decode_pnfs_stateid()
83 memcpy(stateid->data, p, NFS4_STATEID_SIZE); in decode_pnfs_stateid()
95 return -ENOBUFS; in decode_deviceid()
107 return -ENOBUFS; in decode_nfs_fh()
108 fh->size = be32_to_cpup(p++); in decode_nfs_fh()
109 if (fh->size > sizeof(struct nfs_fh)) { in decode_nfs_fh()
111 fh->size); in decode_nfs_fh()
112 return -EOVERFLOW; in decode_nfs_fh()
114 /* fh.data */ in decode_nfs_fh()
115 p = xdr_inline_decode(xdr, fh->size); in decode_nfs_fh()
117 return -ENOBUFS; in decode_nfs_fh()
118 memcpy(&fh->data, p, fh->size); in decode_nfs_fh()
119 dprintk("%s: fh len %d\n", __func__, fh->size); in decode_nfs_fh()
141 return -ENOBUFS; in decode_name()
144 return -EINVAL; in decode_name()
151 return -ENOBUFS; in decode_name()
154 return -EINVAL; in decode_name()
164 if (m1->fh_versions_cnt != m2->fh_versions_cnt) in ff_mirror_match_fh()
166 for (i = 0; i < m1->fh_versions_cnt; i++) { in ff_mirror_match_fh()
168 for (j = 0; j < m2->fh_versions_cnt; j++) { in ff_mirror_match_fh()
169 if (nfs_compare_fh(&m1->fh_versions[i], in ff_mirror_match_fh()
170 &m2->fh_versions[j]) == 0) { in ff_mirror_match_fh()
183 struct nfs4_ff_layout_mirror *mirror) in ff_layout_add_mirror() argument
187 struct inode *inode = lo->plh_inode; in ff_layout_add_mirror()
189 spin_lock(&inode->i_lock); in ff_layout_add_mirror()
190 list_for_each_entry(pos, &ff_layout->mirrors, mirrors) { in ff_layout_add_mirror()
191 if (memcmp(&mirror->devid, &pos->devid, sizeof(pos->devid)) != 0) in ff_layout_add_mirror()
193 if (!ff_mirror_match_fh(mirror, pos)) in ff_layout_add_mirror()
195 if (refcount_inc_not_zero(&pos->ref)) { in ff_layout_add_mirror()
196 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
200 list_add(&mirror->mirrors, &ff_layout->mirrors); in ff_layout_add_mirror()
201 mirror->layout = lo; in ff_layout_add_mirror()
202 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
203 return mirror; in ff_layout_add_mirror()
207 ff_layout_remove_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_remove_mirror() argument
210 if (mirror->layout == NULL) in ff_layout_remove_mirror()
212 inode = mirror->layout->plh_inode; in ff_layout_remove_mirror()
213 spin_lock(&inode->i_lock); in ff_layout_remove_mirror()
214 list_del(&mirror->mirrors); in ff_layout_remove_mirror()
215 spin_unlock(&inode->i_lock); in ff_layout_remove_mirror()
216 mirror->layout = NULL; in ff_layout_remove_mirror()
221 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_mirror() local
223 mirror = kzalloc(sizeof(*mirror), gfp_flags); in ff_layout_alloc_mirror()
224 if (mirror != NULL) { in ff_layout_alloc_mirror()
225 spin_lock_init(&mirror->lock); in ff_layout_alloc_mirror()
226 refcount_set(&mirror->ref, 1); in ff_layout_alloc_mirror()
227 INIT_LIST_HEAD(&mirror->mirrors); in ff_layout_alloc_mirror()
229 return mirror; in ff_layout_alloc_mirror()
232 static void ff_layout_free_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_free_mirror() argument
236 ff_layout_remove_mirror(mirror); in ff_layout_free_mirror()
237 kfree(mirror->fh_versions); in ff_layout_free_mirror()
238 cred = rcu_access_pointer(mirror->ro_cred); in ff_layout_free_mirror()
240 cred = rcu_access_pointer(mirror->rw_cred); in ff_layout_free_mirror()
242 nfs4_ff_layout_put_deviceid(mirror->mirror_ds); in ff_layout_free_mirror()
243 kfree(mirror); in ff_layout_free_mirror()
246 static void ff_layout_put_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_put_mirror() argument
248 if (mirror != NULL && refcount_dec_and_test(&mirror->ref)) in ff_layout_put_mirror()
249 ff_layout_free_mirror(mirror); in ff_layout_put_mirror()
256 for (i = 0; i < fls->mirror_array_cnt; i++) in ff_layout_free_mirror_array()
257 ff_layout_put_mirror(fls->mirror_array[i]); in ff_layout_free_mirror_array()
276 if (fl1->mirror_array_cnt != fl2->mirror_array_cnt) in ff_lseg_match_mirrors()
278 for (i = 0; i < fl1->mirror_array_cnt; i++) { in ff_lseg_match_mirrors()
279 if (fl1->mirror_array[i] != fl2->mirror_array[i]) in ff_lseg_match_mirrors()
291 if (l1->iomode != l2->iomode) in ff_lseg_range_is_after()
292 return l1->iomode != IOMODE_READ; in ff_lseg_range_is_after()
293 end1 = pnfs_calc_offset_end(l1->offset, l1->length); in ff_lseg_range_is_after()
294 end2 = pnfs_calc_offset_end(l2->offset, l2->length); in ff_lseg_range_is_after()
295 if (end1 < l2->offset) in ff_lseg_range_is_after()
297 if (end2 < l1->offset) in ff_lseg_range_is_after()
299 return l2->offset <= l1->offset; in ff_lseg_range_is_after()
308 if (test_bit(NFS_LSEG_LAYOUTRETURN, &old->pls_flags)) in ff_lseg_merge()
310 if (new->pls_range.iomode != old->pls_range.iomode) in ff_lseg_merge()
312 old_end = pnfs_calc_offset_end(old->pls_range.offset, in ff_lseg_merge()
313 old->pls_range.length); in ff_lseg_merge()
314 if (old_end < new->pls_range.offset) in ff_lseg_merge()
316 new_end = pnfs_calc_offset_end(new->pls_range.offset, in ff_lseg_merge()
317 new->pls_range.length); in ff_lseg_merge()
318 if (new_end < old->pls_range.offset) in ff_lseg_merge()
326 if (new->pls_range.offset < old->pls_range.offset) in ff_lseg_merge()
327 new->pls_range.offset = old->pls_range.offset; in ff_lseg_merge()
328 new->pls_range.length = pnfs_calc_offset_length(new->pls_range.offset, in ff_lseg_merge()
330 if (test_bit(NFS_LSEG_ROC, &old->pls_flags)) in ff_lseg_merge()
331 set_bit(NFS_LSEG_ROC, &new->pls_flags); in ff_lseg_merge()
350 for (i = 0; i < fls->mirror_array_cnt - 1; i++) { in ff_layout_sort_mirrors()
351 for (j = i + 1; j < fls->mirror_array_cnt; j++) in ff_layout_sort_mirrors()
352 if (fls->mirror_array[i]->efficiency < in ff_layout_sort_mirrors()
353 fls->mirror_array[j]->efficiency) in ff_layout_sort_mirrors()
354 swap(fls->mirror_array[i], in ff_layout_sort_mirrors()
355 fls->mirror_array[j]); in ff_layout_sort_mirrors()
374 dprintk("--> %s\n", __func__); in ff_layout_alloc_lseg()
377 return ERR_PTR(-ENOMEM); in ff_layout_alloc_lseg()
379 xdr_init_decode_pages(&stream, &buf, lgr->layoutp->pages, in ff_layout_alloc_lseg()
380 lgr->layoutp->len); in ff_layout_alloc_lseg()
384 rc = -EIO; in ff_layout_alloc_lseg()
398 rc = -ENOMEM; in ff_layout_alloc_lseg()
404 fls->mirror_array_cnt = mirror_array_cnt; in ff_layout_alloc_lseg()
405 fls->stripe_unit = stripe_unit; in ff_layout_alloc_lseg()
407 for (i = 0; i < fls->mirror_array_cnt; i++) { in ff_layout_alloc_lseg()
408 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_lseg() local
416 rc = -EIO; in ff_layout_alloc_lseg()
426 fls->mirror_array[i] = ff_layout_alloc_mirror(gfp_flags); in ff_layout_alloc_lseg()
427 if (fls->mirror_array[i] == NULL) { in ff_layout_alloc_lseg()
428 rc = -ENOMEM; in ff_layout_alloc_lseg()
432 fls->mirror_array[i]->ds_count = ds_count; in ff_layout_alloc_lseg()
435 rc = decode_deviceid(&stream, &fls->mirror_array[i]->devid); in ff_layout_alloc_lseg()
440 rc = -EIO; in ff_layout_alloc_lseg()
444 fls->mirror_array[i]->efficiency = be32_to_cpup(p); in ff_layout_alloc_lseg()
447 rc = decode_pnfs_stateid(&stream, &fls->mirror_array[i]->stateid); in ff_layout_alloc_lseg()
452 rc = -EIO; in ff_layout_alloc_lseg()
458 fls->mirror_array[i]->fh_versions = in ff_layout_alloc_lseg()
461 if (fls->mirror_array[i]->fh_versions == NULL) { in ff_layout_alloc_lseg()
462 rc = -ENOMEM; in ff_layout_alloc_lseg()
468 &fls->mirror_array[i]->fh_versions[j]); in ff_layout_alloc_lseg()
473 fls->mirror_array[i]->fh_versions_cnt = fh_count; in ff_layout_alloc_lseg()
496 rc = -ENOMEM; in ff_layout_alloc_lseg()
499 kcred->fsuid = uid; in ff_layout_alloc_lseg()
500 kcred->fsgid = gid; in ff_layout_alloc_lseg()
503 if (lgr->range.iomode == IOMODE_READ) in ff_layout_alloc_lseg()
504 rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred); in ff_layout_alloc_lseg()
506 rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred); in ff_layout_alloc_lseg()
508 mirror = ff_layout_add_mirror(lh, fls->mirror_array[i]); in ff_layout_alloc_lseg()
509 if (mirror != fls->mirror_array[i]) { in ff_layout_alloc_lseg()
511 if (lgr->range.iomode == IOMODE_READ) { in ff_layout_alloc_lseg()
512 cred = xchg(&mirror->ro_cred, cred); in ff_layout_alloc_lseg()
513 rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred); in ff_layout_alloc_lseg()
515 cred = xchg(&mirror->rw_cred, cred); in ff_layout_alloc_lseg()
516 rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred); in ff_layout_alloc_lseg()
518 ff_layout_free_mirror(fls->mirror_array[i]); in ff_layout_alloc_lseg()
519 fls->mirror_array[i] = mirror; in ff_layout_alloc_lseg()
523 lgr->range.iomode == IOMODE_READ ? "READ" : "RW", in ff_layout_alloc_lseg()
531 fls->flags = be32_to_cpup(p); in ff_layout_alloc_lseg()
536 for (i=0; i < fls->mirror_array_cnt; i++) in ff_layout_alloc_lseg()
537 fls->mirror_array[i]->report_interval = be32_to_cpup(p); in ff_layout_alloc_lseg()
541 ret = &fls->generic_hdr; in ff_layout_alloc_lseg()
542 dprintk("<-- %s (success)\n", __func__); in ff_layout_alloc_lseg()
549 dprintk("<-- %s (%d)\n", __func__, rc); in ff_layout_alloc_lseg()
558 dprintk("--> %s\n", __func__); in ff_layout_free_lseg()
560 if (lseg->pls_range.iomode == IOMODE_RW) { in ff_layout_free_lseg()
564 ffl = FF_LAYOUT_FROM_HDR(lseg->pls_layout); in ff_layout_free_lseg()
565 inode = ffl->generic_hdr.plh_inode; in ff_layout_free_lseg()
566 spin_lock(&inode->i_lock); in ff_layout_free_lseg()
567 pnfs_generic_ds_cinfo_release_lseg(&ffl->commit_info, lseg); in ff_layout_free_lseg()
568 spin_unlock(&inode->i_lock); in ff_layout_free_lseg()
577 if (atomic_inc_return(&timer->n_ops) == 1) { in nfs4_ff_start_busy_timer()
578 timer->start_time = now; in nfs4_ff_start_busy_timer()
587 if (atomic_dec_return(&timer->n_ops) < 0) in nfs4_ff_end_busy_timer()
590 start = timer->start_time; in nfs4_ff_end_busy_timer()
591 timer->start_time = now; in nfs4_ff_end_busy_timer()
596 nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layoutstat_start_io() argument
601 struct nfs4_flexfile_layout *ffl = FF_LAYOUT_FROM_HDR(mirror->layout); in nfs4_ff_layoutstat_start_io()
603 nfs4_ff_start_busy_timer(&layoutstat->busy_timer, now); in nfs4_ff_layoutstat_start_io()
604 if (!mirror->start_time) in nfs4_ff_layoutstat_start_io()
605 mirror->start_time = now; in nfs4_ff_layoutstat_start_io()
606 if (mirror->report_interval != 0) in nfs4_ff_layoutstat_start_io()
607 report_interval = (s64)mirror->report_interval * 1000LL; in nfs4_ff_layoutstat_start_io()
610 if (ktime_to_ms(ktime_sub(now, ffl->last_report_time)) >= in nfs4_ff_layoutstat_start_io()
612 ffl->last_report_time = now; in nfs4_ff_layoutstat_start_io()
623 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_requested()
625 iostat->ops_requested++; in nfs4_ff_layout_stat_io_update_requested()
626 iostat->bytes_requested += requested; in nfs4_ff_layout_stat_io_update_requested()
636 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_completed()
640 iostat->ops_completed++; in nfs4_ff_layout_stat_io_update_completed()
641 iostat->bytes_completed += completed; in nfs4_ff_layout_stat_io_update_completed()
642 iostat->bytes_not_delivered += requested - completed; in nfs4_ff_layout_stat_io_update_completed()
644 timer = nfs4_ff_end_busy_timer(&layoutstat->busy_timer, time_completed); in nfs4_ff_layout_stat_io_update_completed()
645 iostat->total_busy_time = in nfs4_ff_layout_stat_io_update_completed()
646 ktime_add(iostat->total_busy_time, timer); in nfs4_ff_layout_stat_io_update_completed()
647 iostat->aggregate_completion_time = in nfs4_ff_layout_stat_io_update_completed()
648 ktime_add(iostat->aggregate_completion_time, in nfs4_ff_layout_stat_io_update_completed()
654 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_read() argument
659 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
660 report = nfs4_ff_layoutstat_start_io(mirror, &mirror->read_stat, now); in nfs4_ff_layout_stat_io_start_read()
661 nfs4_ff_layout_stat_io_update_requested(&mirror->read_stat, requested); in nfs4_ff_layout_stat_io_start_read()
662 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_read()
663 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
671 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_read() argument
675 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
676 nfs4_ff_layout_stat_io_update_completed(&mirror->read_stat, in nfs4_ff_layout_stat_io_end_read()
678 ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_read()
679 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_read()
680 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
685 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_write() argument
690 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
691 report = nfs4_ff_layoutstat_start_io(mirror , &mirror->write_stat, now); in nfs4_ff_layout_stat_io_start_write()
692 nfs4_ff_layout_stat_io_update_requested(&mirror->write_stat, requested); in nfs4_ff_layout_stat_io_start_write()
693 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_write()
694 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
702 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_write() argument
710 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
711 nfs4_ff_layout_stat_io_update_completed(&mirror->write_stat, in nfs4_ff_layout_stat_io_end_write()
712 requested, completed, ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_write()
713 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_write()
714 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
741 struct nfs4_ff_layout_mirror *mirror; in ff_layout_choose_ds_for_read() local
747 for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) { in ff_layout_choose_ds_for_read()
748 if (idx+1 == fls->mirror_array_cnt) in ff_layout_choose_ds_for_read()
751 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_choose_ds_for_read()
752 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, fail_return); in ff_layout_choose_ds_for_read()
757 nfs4_test_deviceid_unavailable(&mirror->mirror_ds->id_node)) in ff_layout_choose_ds_for_read()
797 struct pnfs_layout_segment *lseg = pgio->pg_lseg; in ff_layout_get_ds_for_read()
800 ds = ff_layout_choose_best_ds_for_read(lseg, pgio->pg_mirror_idx, in ff_layout_get_ds_for_read()
802 if (ds || !pgio->pg_mirror_idx) in ff_layout_get_ds_for_read()
812 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_get_read()
813 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_get_read()
816 req->wb_bytes, in ff_layout_pg_get_read()
820 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_read()
821 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_read()
822 pgio->pg_lseg = NULL; in ff_layout_pg_get_read()
839 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_read() local
846 if (!pgio->pg_lseg) { in ff_layout_pg_init_read()
848 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
851 if (ff_layout_avoid_read_on_rw(pgio->pg_lseg)) { in ff_layout_pg_init_read()
853 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
859 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_read()
867 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx); in ff_layout_pg_init_read()
868 pgm = &pgio->pg_mirrors[0]; in ff_layout_pg_init_read()
869 pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize; in ff_layout_pg_init_read()
871 pgio->pg_mirror_idx = ds_idx; in ff_layout_pg_init_read()
873 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_read()
875 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_read()
878 if (pgio->pg_error < 0) in ff_layout_pg_init_read()
881 trace_pnfs_mds_fallback_pg_init_read(pgio->pg_inode, in ff_layout_pg_init_read()
883 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_read()
884 pgio->pg_lseg); in ff_layout_pg_init_read()
885 pgio->pg_maxretrans = 0; in ff_layout_pg_init_read()
893 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_write() local
900 if (!pgio->pg_lseg) { in ff_layout_pg_init_write()
901 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_init_write()
904 req->wb_bytes, in ff_layout_pg_init_write()
908 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_init_write()
909 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_init_write()
910 pgio->pg_lseg = NULL; in ff_layout_pg_init_write()
915 if (pgio->pg_lseg == NULL) in ff_layout_pg_init_write()
919 if (pgio->pg_mirror_count != FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg)) in ff_layout_pg_init_write()
922 for (i = 0; i < pgio->pg_mirror_count; i++) { in ff_layout_pg_init_write()
923 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i); in ff_layout_pg_init_write()
924 ds = nfs4_ff_layout_prepare_ds(pgio->pg_lseg, mirror, true); in ff_layout_pg_init_write()
926 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_write()
933 pgm = &pgio->pg_mirrors[i]; in ff_layout_pg_init_write()
934 pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].wsize; in ff_layout_pg_init_write()
937 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_write()
939 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_write()
943 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
946 trace_pnfs_mds_fallback_pg_init_write(pgio->pg_inode, in ff_layout_pg_init_write()
948 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_write()
949 pgio->pg_lseg); in ff_layout_pg_init_write()
950 pgio->pg_maxretrans = 0; in ff_layout_pg_init_write()
952 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
959 if (!pgio->pg_lseg) { in ff_layout_pg_get_mirror_count_write()
960 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_get_mirror_count_write()
963 req->wb_bytes, in ff_layout_pg_get_mirror_count_write()
967 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_mirror_count_write()
968 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
969 pgio->pg_lseg = NULL; in ff_layout_pg_get_mirror_count_write()
973 if (pgio->pg_lseg) in ff_layout_pg_get_mirror_count_write()
974 return FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
976 trace_pnfs_mds_fallback_pg_get_mirror_count(pgio->pg_inode, in ff_layout_pg_get_mirror_count_write()
978 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_get_mirror_count_write()
979 pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
989 u32 old = desc->pg_mirror_idx; in ff_layout_pg_set_mirror_write()
991 desc->pg_mirror_idx = idx; in ff_layout_pg_set_mirror_write()
998 return &desc->pg_mirrors[idx]; in ff_layout_pg_get_mirror_write()
1020 struct rpc_task *task = &hdr->task; in ff_layout_reset_write()
1022 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_write()
1027 hdr->task.tk_pid, in ff_layout_reset_write()
1028 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1029 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1030 hdr->args.count, in ff_layout_reset_write()
1031 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1033 hdr->completion_ops->reschedule_io(hdr); in ff_layout_reset_write()
1037 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_write()
1040 hdr->task.tk_pid, in ff_layout_reset_write()
1041 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1042 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1043 hdr->args.count, in ff_layout_reset_write()
1044 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1046 trace_pnfs_mds_fallback_write_done(hdr->inode, in ff_layout_reset_write()
1047 hdr->args.offset, hdr->args.count, in ff_layout_reset_write()
1048 IOMODE_RW, NFS_I(hdr->inode)->layout, in ff_layout_reset_write()
1049 hdr->lseg); in ff_layout_reset_write()
1050 task->tk_status = pnfs_write_done_resend_to_mds(hdr); in ff_layout_reset_write()
1056 u32 idx = hdr->pgio_mirror_idx + 1; in ff_layout_resend_pnfs_read()
1059 if (ff_layout_choose_any_ds_for_read(hdr->lseg, idx + 1, &new_idx)) in ff_layout_resend_pnfs_read()
1060 ff_layout_send_layouterror(hdr->lseg); in ff_layout_resend_pnfs_read()
1062 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_resend_pnfs_read()
1068 struct rpc_task *task = &hdr->task; in ff_layout_reset_read()
1070 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_read()
1071 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_reset_read()
1073 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_read()
1076 hdr->task.tk_pid, in ff_layout_reset_read()
1077 hdr->inode->i_sb->s_id, in ff_layout_reset_read()
1078 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_read()
1079 hdr->args.count, in ff_layout_reset_read()
1080 (unsigned long long)hdr->args.offset); in ff_layout_reset_read()
1082 trace_pnfs_mds_fallback_read_done(hdr->inode, in ff_layout_reset_read()
1083 hdr->args.offset, hdr->args.count, in ff_layout_reset_read()
1084 IOMODE_READ, NFS_I(hdr->inode)->layout, in ff_layout_reset_read()
1085 hdr->lseg); in ff_layout_reset_read()
1086 task->tk_status = pnfs_read_done_resend_to_mds(hdr); in ff_layout_reset_read()
1096 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_async_handle_error_v4()
1097 struct inode *inode = lo->plh_inode; in ff_layout_async_handle_error_v4()
1099 struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table; in ff_layout_async_handle_error_v4()
1101 switch (task->tk_status) { in ff_layout_async_handle_error_v4()
1102 case -NFS4ERR_BADSESSION: in ff_layout_async_handle_error_v4()
1103 case -NFS4ERR_BADSLOT: in ff_layout_async_handle_error_v4()
1104 case -NFS4ERR_BAD_HIGH_SLOT: in ff_layout_async_handle_error_v4()
1105 case -NFS4ERR_DEADSESSION: in ff_layout_async_handle_error_v4()
1106 case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: in ff_layout_async_handle_error_v4()
1107 case -NFS4ERR_SEQ_FALSE_RETRY: in ff_layout_async_handle_error_v4()
1108 case -NFS4ERR_SEQ_MISORDERED: in ff_layout_async_handle_error_v4()
1110 "flags 0x%x\n", __func__, task->tk_status, in ff_layout_async_handle_error_v4()
1111 clp->cl_exchange_flags); in ff_layout_async_handle_error_v4()
1112 nfs4_schedule_session_recovery(clp->cl_session, task->tk_status); in ff_layout_async_handle_error_v4()
1114 case -NFS4ERR_DELAY: in ff_layout_async_handle_error_v4()
1115 case -NFS4ERR_GRACE: in ff_layout_async_handle_error_v4()
1118 case -NFS4ERR_RETRY_UNCACHED_REP: in ff_layout_async_handle_error_v4()
1121 case -NFS4ERR_PNFS_NO_LAYOUT: in ff_layout_async_handle_error_v4()
1122 case -ESTALE: /* mapped NFS4ERR_STALE */ in ff_layout_async_handle_error_v4()
1123 case -EBADHANDLE: /* mapped NFS4ERR_BADHANDLE */ in ff_layout_async_handle_error_v4()
1124 case -EISDIR: /* mapped NFS4ERR_ISDIR */ in ff_layout_async_handle_error_v4()
1125 case -NFS4ERR_FHEXPIRED: in ff_layout_async_handle_error_v4()
1126 case -NFS4ERR_WRONG_TYPE: in ff_layout_async_handle_error_v4()
1128 task->tk_status); in ff_layout_async_handle_error_v4()
1137 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1140 case -ECONNREFUSED: in ff_layout_async_handle_error_v4()
1141 case -EHOSTDOWN: in ff_layout_async_handle_error_v4()
1142 case -EHOSTUNREACH: in ff_layout_async_handle_error_v4()
1143 case -ENETUNREACH: in ff_layout_async_handle_error_v4()
1144 case -EIO: in ff_layout_async_handle_error_v4()
1145 case -ETIMEDOUT: in ff_layout_async_handle_error_v4()
1146 case -EPIPE: in ff_layout_async_handle_error_v4()
1148 task->tk_status); in ff_layout_async_handle_error_v4()
1149 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v4()
1150 &devid->deviceid); in ff_layout_async_handle_error_v4()
1151 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1155 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v4()
1158 task->tk_status); in ff_layout_async_handle_error_v4()
1159 return -NFS4ERR_RESET_TO_MDS; in ff_layout_async_handle_error_v4()
1161 task->tk_status = 0; in ff_layout_async_handle_error_v4()
1162 return -EAGAIN; in ff_layout_async_handle_error_v4()
1165 /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
1172 switch (task->tk_status) { in ff_layout_async_handle_error_v3()
1174 case -EACCES: in ff_layout_async_handle_error_v3()
1175 case -ESTALE: in ff_layout_async_handle_error_v3()
1176 case -EISDIR: in ff_layout_async_handle_error_v3()
1177 case -EBADHANDLE: in ff_layout_async_handle_error_v3()
1178 case -ELOOP: in ff_layout_async_handle_error_v3()
1179 case -ENOSPC: in ff_layout_async_handle_error_v3()
1181 case -EJUKEBOX: in ff_layout_async_handle_error_v3()
1182 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v3()
1186 task->tk_status); in ff_layout_async_handle_error_v3()
1187 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v3()
1188 &devid->deviceid); in ff_layout_async_handle_error_v3()
1191 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v3()
1193 task->tk_status = 0; in ff_layout_async_handle_error_v3()
1196 return -EAGAIN; in ff_layout_async_handle_error_v3()
1205 int vers = clp->cl_nfs_mod->rpc_vers->number; in ff_layout_async_handle_error()
1207 if (task->tk_status >= 0) { in ff_layout_async_handle_error()
1214 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error()
1233 struct nfs4_ff_layout_mirror *mirror; in ff_layout_io_track_ds_error() local
1239 case -ETIMEDOUT: in ff_layout_io_track_ds_error()
1240 case -EPFNOSUPPORT: in ff_layout_io_track_ds_error()
1241 case -EPROTONOSUPPORT: in ff_layout_io_track_ds_error()
1242 case -EOPNOTSUPP: in ff_layout_io_track_ds_error()
1243 case -ECONNREFUSED: in ff_layout_io_track_ds_error()
1244 case -ECONNRESET: in ff_layout_io_track_ds_error()
1245 case -EHOSTDOWN: in ff_layout_io_track_ds_error()
1246 case -EHOSTUNREACH: in ff_layout_io_track_ds_error()
1247 case -ENETUNREACH: in ff_layout_io_track_ds_error()
1248 case -EADDRINUSE: in ff_layout_io_track_ds_error()
1249 case -ENOBUFS: in ff_layout_io_track_ds_error()
1250 case -EPIPE: in ff_layout_io_track_ds_error()
1251 case -EPERM: in ff_layout_io_track_ds_error()
1254 case -EACCES: in ff_layout_io_track_ds_error()
1262 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_io_track_ds_error()
1263 err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout), in ff_layout_io_track_ds_error()
1264 mirror, offset, length, status, opnum, in ff_layout_io_track_ds_error()
1281 pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, in ff_layout_io_track_ds_error()
1294 if (task->tk_status < 0) { in ff_layout_read_done_cb()
1295 ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx, in ff_layout_read_done_cb()
1296 hdr->args.offset, hdr->args.count, in ff_layout_read_done_cb()
1297 &hdr->res.op_status, OP_READ, in ff_layout_read_done_cb()
1298 task->tk_status); in ff_layout_read_done_cb()
1302 err = ff_layout_async_handle_error(task, hdr->args.context->state, in ff_layout_read_done_cb()
1303 hdr->ds_clp, hdr->lseg, in ff_layout_read_done_cb()
1304 hdr->pgio_mirror_idx); in ff_layout_read_done_cb()
1307 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1308 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1310 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_read_done_cb()
1311 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1312 return task->tk_status; in ff_layout_read_done_cb()
1313 case -NFS4ERR_RESET_TO_MDS: in ff_layout_read_done_cb()
1314 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1315 return task->tk_status; in ff_layout_read_done_cb()
1316 case -EAGAIN: in ff_layout_read_done_cb()
1323 return -EAGAIN; in ff_layout_read_done_cb()
1329 return !(FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_LAYOUTCOMMIT); in ff_layout_need_layoutcommit()
1338 * to follow http://www.rfc-editor.org/errata_search.php?rfc=5661&eid=2751
1350 dprintk("%s inode %lu pls_end_pos %llu\n", __func__, inode->i_ino, in ff_layout_set_layoutcommit()
1351 (unsigned long long) NFS_I(inode)->layout->plh_lwb); in ff_layout_set_layoutcommit()
1357 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_start()
1359 nfs4_ff_layout_stat_io_start_read(hdr->inode, in ff_layout_read_record_layoutstats_start()
1360 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_read_record_layoutstats_start()
1361 hdr->args.count, in ff_layout_read_record_layoutstats_start()
1362 task->tk_start); in ff_layout_read_record_layoutstats_start()
1368 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_done()
1371 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_read_record_layoutstats_done()
1372 hdr->args.count, in ff_layout_read_record_layoutstats_done()
1373 hdr->res.count); in ff_layout_read_record_layoutstats_done()
1374 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_read_record_layoutstats_done()
1380 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_read_prepare_common()
1381 rpc_exit(task, -EIO); in ff_layout_read_prepare_common()
1382 return -EIO; in ff_layout_read_prepare_common()
1394 static void ff_layout_read_prepare_v3(struct rpc_task *task, void *data) in ff_layout_read_prepare_v3() argument
1396 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v3()
1404 static void ff_layout_read_prepare_v4(struct rpc_task *task, void *data) in ff_layout_read_prepare_v4() argument
1406 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v4()
1408 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_read_prepare_v4()
1409 &hdr->args.seq_args, in ff_layout_read_prepare_v4()
1410 &hdr->res.seq_res, in ff_layout_read_prepare_v4()
1417 static void ff_layout_read_call_done(struct rpc_task *task, void *data) in ff_layout_read_call_done() argument
1419 struct nfs_pgio_header *hdr = data; in ff_layout_read_call_done()
1421 dprintk("--> %s task->tk_status %d\n", __func__, task->tk_status); in ff_layout_read_call_done()
1423 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_read_call_done()
1424 task->tk_status == 0) { in ff_layout_read_call_done()
1425 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_read_call_done()
1430 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_read_call_done()
1433 static void ff_layout_read_count_stats(struct rpc_task *task, void *data) in ff_layout_read_count_stats() argument
1435 struct nfs_pgio_header *hdr = data; in ff_layout_read_count_stats()
1439 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_READ]); in ff_layout_read_count_stats()
1442 static void ff_layout_read_release(void *data) in ff_layout_read_release() argument
1444 struct nfs_pgio_header *hdr = data; in ff_layout_read_release()
1446 ff_layout_read_record_layoutstats_done(&hdr->task, hdr); in ff_layout_read_release()
1447 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) in ff_layout_read_release()
1449 else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_read_release()
1451 pnfs_generic_rw_release(data); in ff_layout_read_release()
1461 if (task->tk_status < 0) { in ff_layout_write_done_cb()
1462 ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx, in ff_layout_write_done_cb()
1463 hdr->args.offset, hdr->args.count, in ff_layout_write_done_cb()
1464 &hdr->res.op_status, OP_WRITE, in ff_layout_write_done_cb()
1465 task->tk_status); in ff_layout_write_done_cb()
1469 err = ff_layout_async_handle_error(task, hdr->args.context->state, in ff_layout_write_done_cb()
1470 hdr->ds_clp, hdr->lseg, in ff_layout_write_done_cb()
1471 hdr->pgio_mirror_idx); in ff_layout_write_done_cb()
1474 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1475 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1477 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_write_done_cb()
1478 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1479 return task->tk_status; in ff_layout_write_done_cb()
1480 case -NFS4ERR_RESET_TO_MDS: in ff_layout_write_done_cb()
1481 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1482 return task->tk_status; in ff_layout_write_done_cb()
1483 case -EAGAIN: in ff_layout_write_done_cb()
1484 return -EAGAIN; in ff_layout_write_done_cb()
1487 if (hdr->res.verf->committed == NFS_FILE_SYNC || in ff_layout_write_done_cb()
1488 hdr->res.verf->committed == NFS_DATA_SYNC) in ff_layout_write_done_cb()
1489 end_offs = hdr->mds_offset + (loff_t)hdr->res.count; in ff_layout_write_done_cb()
1492 ff_layout_set_layoutcommit(hdr->inode, hdr->lseg, end_offs); in ff_layout_write_done_cb()
1495 hdr->fattr.valid = 0; in ff_layout_write_done_cb()
1496 if (task->tk_status >= 0) in ff_layout_write_done_cb()
1503 struct nfs_commit_data *data) in ff_layout_commit_done_cb() argument
1507 if (task->tk_status < 0) { in ff_layout_commit_done_cb()
1508 ff_layout_io_track_ds_error(data->lseg, data->ds_commit_index, in ff_layout_commit_done_cb()
1509 data->args.offset, data->args.count, in ff_layout_commit_done_cb()
1510 &data->res.op_status, OP_COMMIT, in ff_layout_commit_done_cb()
1511 task->tk_status); in ff_layout_commit_done_cb()
1512 trace_ff_layout_commit_error(data); in ff_layout_commit_done_cb()
1515 err = ff_layout_async_handle_error(task, NULL, data->ds_clp, in ff_layout_commit_done_cb()
1516 data->lseg, data->ds_commit_index); in ff_layout_commit_done_cb()
1518 trace_nfs4_pnfs_commit_ds(data, err); in ff_layout_commit_done_cb()
1520 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_commit_done_cb()
1521 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1522 return -EAGAIN; in ff_layout_commit_done_cb()
1523 case -NFS4ERR_RESET_TO_MDS: in ff_layout_commit_done_cb()
1524 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1525 return -EAGAIN; in ff_layout_commit_done_cb()
1526 case -EAGAIN: in ff_layout_commit_done_cb()
1528 return -EAGAIN; in ff_layout_commit_done_cb()
1531 ff_layout_set_layoutcommit(data->inode, data->lseg, data->lwb); in ff_layout_commit_done_cb()
1539 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_start()
1541 nfs4_ff_layout_stat_io_start_write(hdr->inode, in ff_layout_write_record_layoutstats_start()
1542 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_write_record_layoutstats_start()
1543 hdr->args.count, in ff_layout_write_record_layoutstats_start()
1544 task->tk_start); in ff_layout_write_record_layoutstats_start()
1550 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_done()
1553 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_write_record_layoutstats_done()
1554 hdr->args.count, hdr->res.count, in ff_layout_write_record_layoutstats_done()
1555 hdr->res.verf->committed); in ff_layout_write_record_layoutstats_done()
1556 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_write_record_layoutstats_done()
1562 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_write_prepare_common()
1563 rpc_exit(task, -EIO); in ff_layout_write_prepare_common()
1564 return -EIO; in ff_layout_write_prepare_common()
1571 static void ff_layout_write_prepare_v3(struct rpc_task *task, void *data) in ff_layout_write_prepare_v3() argument
1573 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v3()
1581 static void ff_layout_write_prepare_v4(struct rpc_task *task, void *data) in ff_layout_write_prepare_v4() argument
1583 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v4()
1585 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_write_prepare_v4()
1586 &hdr->args.seq_args, in ff_layout_write_prepare_v4()
1587 &hdr->res.seq_res, in ff_layout_write_prepare_v4()
1594 static void ff_layout_write_call_done(struct rpc_task *task, void *data) in ff_layout_write_call_done() argument
1596 struct nfs_pgio_header *hdr = data; in ff_layout_write_call_done()
1598 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_write_call_done()
1599 task->tk_status == 0) { in ff_layout_write_call_done()
1600 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_write_call_done()
1605 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_write_call_done()
1608 static void ff_layout_write_count_stats(struct rpc_task *task, void *data) in ff_layout_write_count_stats() argument
1610 struct nfs_pgio_header *hdr = data; in ff_layout_write_count_stats()
1614 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_WRITE]); in ff_layout_write_count_stats()
1617 static void ff_layout_write_release(void *data) in ff_layout_write_release() argument
1619 struct nfs_pgio_header *hdr = data; in ff_layout_write_release()
1621 ff_layout_write_record_layoutstats_done(&hdr->task, hdr); in ff_layout_write_release()
1622 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) { in ff_layout_write_release()
1623 ff_layout_send_layouterror(hdr->lseg); in ff_layout_write_release()
1625 } else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_write_release()
1627 pnfs_generic_rw_release(data); in ff_layout_write_release()
1633 if (test_and_set_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_start()
1635 nfs4_ff_layout_stat_io_start_write(cdata->inode, in ff_layout_commit_record_layoutstats_start()
1636 FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index), in ff_layout_commit_record_layoutstats_start()
1637 0, task->tk_start); in ff_layout_commit_record_layoutstats_start()
1646 if (!test_and_clear_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_done()
1649 if (task->tk_status == 0) { in ff_layout_commit_record_layoutstats_done()
1650 list_for_each_entry(req, &cdata->pages, wb_list) in ff_layout_commit_record_layoutstats_done()
1651 count += req->wb_bytes; in ff_layout_commit_record_layoutstats_done()
1654 FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index), in ff_layout_commit_record_layoutstats_done()
1656 set_bit(NFS_LSEG_LAYOUTRETURN, &cdata->lseg->pls_flags); in ff_layout_commit_record_layoutstats_done()
1665 static void ff_layout_commit_prepare_v3(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v3() argument
1667 ff_layout_commit_prepare_common(task, data); in ff_layout_commit_prepare_v3()
1671 static void ff_layout_commit_prepare_v4(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v4() argument
1673 struct nfs_commit_data *wdata = data; in ff_layout_commit_prepare_v4()
1675 if (nfs4_setup_sequence(wdata->ds_clp, in ff_layout_commit_prepare_v4()
1676 &wdata->args.seq_args, in ff_layout_commit_prepare_v4()
1677 &wdata->res.seq_res, in ff_layout_commit_prepare_v4()
1680 ff_layout_commit_prepare_common(task, data); in ff_layout_commit_prepare_v4()
1683 static void ff_layout_commit_done(struct rpc_task *task, void *data) in ff_layout_commit_done() argument
1685 pnfs_generic_write_commit_done(task, data); in ff_layout_commit_done()
1688 static void ff_layout_commit_count_stats(struct rpc_task *task, void *data) in ff_layout_commit_count_stats() argument
1690 struct nfs_commit_data *cdata = data; in ff_layout_commit_count_stats()
1694 &NFS_CLIENT(cdata->inode)->cl_metrics[NFSPROC4_CLNT_COMMIT]); in ff_layout_commit_count_stats()
1697 static void ff_layout_commit_release(void *data) in ff_layout_commit_release() argument
1699 struct nfs_commit_data *cdata = data; in ff_layout_commit_release()
1701 ff_layout_commit_record_layoutstats_done(&cdata->task, cdata); in ff_layout_commit_release()
1702 pnfs_generic_commit_release(data); in ff_layout_commit_release()
1750 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_read_pagelist()
1753 struct nfs4_ff_layout_mirror *mirror; in ff_layout_read_pagelist() local
1755 loff_t offset = hdr->args.offset; in ff_layout_read_pagelist()
1756 u32 idx = hdr->pgio_mirror_idx; in ff_layout_read_pagelist()
1760 dprintk("--> %s ino %lu pgbase %u req %zu@%llu\n", in ff_layout_read_pagelist()
1761 __func__, hdr->inode->i_ino, in ff_layout_read_pagelist()
1762 hdr->args.pgbase, (size_t)hdr->args.count, offset); in ff_layout_read_pagelist()
1764 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_read_pagelist()
1765 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, false); in ff_layout_read_pagelist()
1769 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_read_pagelist()
1770 hdr->inode); in ff_layout_read_pagelist()
1774 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred); in ff_layout_read_pagelist()
1778 vers = nfs4_ff_layout_ds_version(mirror); in ff_layout_read_pagelist()
1781 ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), vers); in ff_layout_read_pagelist()
1783 hdr->pgio_done_cb = ff_layout_read_done_cb; in ff_layout_read_pagelist()
1784 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_read_pagelist()
1785 hdr->ds_clp = ds->ds_clp; in ff_layout_read_pagelist()
1786 fh = nfs4_ff_layout_select_ds_fh(mirror); in ff_layout_read_pagelist()
1788 hdr->args.fh = fh; in ff_layout_read_pagelist()
1790 nfs4_ff_layout_select_ds_stateid(mirror, &hdr->args.stateid); in ff_layout_read_pagelist()
1794 * then we may need to handle dense-like offsets. in ff_layout_read_pagelist()
1796 hdr->args.offset = offset; in ff_layout_read_pagelist()
1797 hdr->mds_offset = offset; in ff_layout_read_pagelist()
1800 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_read_pagelist()
1810 trace_pnfs_mds_fallback_read_pagelist(hdr->inode, in ff_layout_read_pagelist()
1811 hdr->args.offset, hdr->args.count, in ff_layout_read_pagelist()
1812 IOMODE_READ, NFS_I(hdr->inode)->layout, lseg); in ff_layout_read_pagelist()
1820 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_write_pagelist()
1823 struct nfs4_ff_layout_mirror *mirror; in ff_layout_write_pagelist() local
1825 loff_t offset = hdr->args.offset; in ff_layout_write_pagelist()
1828 u32 idx = hdr->pgio_mirror_idx; in ff_layout_write_pagelist()
1830 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_write_pagelist()
1831 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, true); in ff_layout_write_pagelist()
1835 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_write_pagelist()
1836 hdr->inode); in ff_layout_write_pagelist()
1840 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred); in ff_layout_write_pagelist()
1844 vers = nfs4_ff_layout_ds_version(mirror); in ff_layout_write_pagelist()
1847 __func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count, in ff_layout_write_pagelist()
1848 offset, ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), in ff_layout_write_pagelist()
1851 hdr->pgio_done_cb = ff_layout_write_done_cb; in ff_layout_write_pagelist()
1852 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_write_pagelist()
1853 hdr->ds_clp = ds->ds_clp; in ff_layout_write_pagelist()
1854 hdr->ds_commit_idx = idx; in ff_layout_write_pagelist()
1855 fh = nfs4_ff_layout_select_ds_fh(mirror); in ff_layout_write_pagelist()
1857 hdr->args.fh = fh; in ff_layout_write_pagelist()
1859 nfs4_ff_layout_select_ds_stateid(mirror, &hdr->args.stateid); in ff_layout_write_pagelist()
1863 * then we may need to handle dense-like offsets. in ff_layout_write_pagelist()
1865 hdr->args.offset = offset; in ff_layout_write_pagelist()
1868 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_write_pagelist()
1878 trace_pnfs_mds_fallback_write_pagelist(hdr->inode, in ff_layout_write_pagelist()
1879 hdr->args.offset, hdr->args.count, in ff_layout_write_pagelist()
1880 IOMODE_RW, NFS_I(hdr->inode)->layout, lseg); in ff_layout_write_pagelist()
1897 return &flseg->mirror_array[i]->fh_versions[0]; in select_ds_fh_from_commit()
1900 static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how) in ff_layout_initiate_commit() argument
1902 struct pnfs_layout_segment *lseg = data->lseg; in ff_layout_initiate_commit()
1905 struct nfs4_ff_layout_mirror *mirror; in ff_layout_initiate_commit() local
1912 test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags))) in ff_layout_initiate_commit()
1915 idx = calc_ds_index_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
1916 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_initiate_commit()
1917 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, true); in ff_layout_initiate_commit()
1921 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_initiate_commit()
1922 data->inode); in ff_layout_initiate_commit()
1926 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, data->cred); in ff_layout_initiate_commit()
1930 vers = nfs4_ff_layout_ds_version(mirror); in ff_layout_initiate_commit()
1933 data->inode->i_ino, how, refcount_read(&ds->ds_clp->cl_count), in ff_layout_initiate_commit()
1935 data->commit_done_cb = ff_layout_commit_done_cb; in ff_layout_initiate_commit()
1936 data->cred = ds_cred; in ff_layout_initiate_commit()
1937 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_initiate_commit()
1938 data->ds_clp = ds->ds_clp; in ff_layout_initiate_commit()
1939 fh = select_ds_fh_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
1941 data->args.fh = fh; in ff_layout_initiate_commit()
1943 ret = nfs_initiate_commit(ds_clnt, data, ds->ds_clp->rpc_ops, in ff_layout_initiate_commit()
1950 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_initiate_commit()
1951 pnfs_generic_commit_release(data); in ff_layout_initiate_commit()
1952 return -EAGAIN; in ff_layout_initiate_commit()
1966 struct pnfs_layout_hdr *layout = NFS_I(inode)->layout; in ff_layout_get_ds_info()
1971 return &FF_LAYOUT_FROM_HDR(layout)->commit_info; in ff_layout_get_ds_info()
1979 struct inode *inode = lseg->pls_layout->plh_inode; in ff_layout_setup_ds_info()
1982 new = pnfs_alloc_commit_array(flseg->mirror_array_cnt, GFP_NOIO); in ff_layout_setup_ds_info()
1984 spin_lock(&inode->i_lock); in ff_layout_setup_ds_info()
1986 spin_unlock(&inode->i_lock); in ff_layout_setup_ds_info()
1996 spin_lock(&inode->i_lock); in ff_layout_release_ds_info()
1998 spin_unlock(&inode->i_lock); in ff_layout_release_ds_info()
2016 return -E2BIG; in ff_layout_encode_ioerr()
2018 *start = cpu_to_be32(ff_args->num_errors); in ff_layout_encode_ioerr()
2020 return ff_layout_encode_ds_ioerr(xdr, &ff_args->errors); in ff_layout_encode_ioerr()
2037 p = xdr_encode_hyper(p, devinfo->offset); in ff_layout_encode_ff_iostat_head()
2038 p = xdr_encode_hyper(p, devinfo->length); in ff_layout_encode_ff_iostat_head()
2039 encode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); in ff_layout_encode_ff_iostat_head()
2041 p = xdr_encode_hyper(p, devinfo->read_count); in ff_layout_encode_ff_iostat_head()
2042 p = xdr_encode_hyper(p, devinfo->read_bytes); in ff_layout_encode_ff_iostat_head()
2043 p = xdr_encode_hyper(p, devinfo->write_count); in ff_layout_encode_ff_iostat_head()
2044 p = xdr_encode_hyper(p, devinfo->write_bytes); in ff_layout_encode_ff_iostat_head()
2045 encode_opaque_fixed(xdr, devinfo->dev_id.data, NFS4_DEVICEID4_SIZE); in ff_layout_encode_ff_iostat_head()
2055 devinfo->ld_private.data); in ff_layout_encode_ff_iostat()
2067 *p = cpu_to_be32(ff_args->num_dev); in ff_layout_encode_iostats_array()
2068 for (i = 0; i < ff_args->num_dev; i++) in ff_layout_encode_iostats_array()
2070 &args->layout->plh_stateid, in ff_layout_encode_iostats_array()
2071 &ff_args->devinfo[i]); in ff_layout_encode_iostats_array()
2083 if (!devinfo[i].ld_private.ops->free) in ff_layout_free_iostats_array()
2085 devinfo[i].ld_private.ops->free(&devinfo[i].ld_private); in ff_layout_free_iostats_array()
2098 return &dsaddr->id_node; in ff_layout_alloc_deviceid_node()
2107 struct nfs4_flexfile_layoutreturn_args *ff_args = ff_opaque->data; in ff_layout_encode_layoutreturn()
2111 .iov_base = page_address(ff_args->pages[0]), in ff_layout_encode_layoutreturn()
2128 xdr_write_pages(xdr, ff_args->pages, 0, tmp_buf.len); in ff_layout_encode_layoutreturn()
2138 if (!args->data) in ff_layout_free_layoutreturn()
2140 ff_args = args->data; in ff_layout_free_layoutreturn()
2141 args->data = NULL; in ff_layout_free_layoutreturn()
2143 ff_layout_free_ds_ioerr(&ff_args->errors); in ff_layout_free_layoutreturn()
2144 ff_layout_free_iostats_array(ff_args->devinfo, ff_args->num_dev); in ff_layout_free_layoutreturn()
2146 put_page(ff_args->pages[0]); in ff_layout_free_layoutreturn()
2159 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(args->layout); in ff_layout_prepare_layoutreturn()
2164 ff_args->pages[0] = alloc_page(GFP_KERNEL); in ff_layout_prepare_layoutreturn()
2165 if (!ff_args->pages[0]) in ff_layout_prepare_layoutreturn()
2168 INIT_LIST_HEAD(&ff_args->errors); in ff_layout_prepare_layoutreturn()
2169 ff_args->num_errors = ff_layout_fetch_ds_ioerr(args->layout, in ff_layout_prepare_layoutreturn()
2170 &args->range, &ff_args->errors, in ff_layout_prepare_layoutreturn()
2173 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2174 ff_args->num_dev = ff_layout_mirror_prepare_stats(&ff_layout->generic_hdr, in ff_layout_prepare_layoutreturn()
2175 &ff_args->devinfo[0], ARRAY_SIZE(ff_args->devinfo)); in ff_layout_prepare_layoutreturn()
2176 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2178 args->ld_private->ops = &layoutreturn_ops; in ff_layout_prepare_layoutreturn()
2179 args->ld_private->data = ff_args; in ff_layout_prepare_layoutreturn()
2184 return -ENOMEM; in ff_layout_prepare_layoutreturn()
2191 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_send_layouterror()
2195 if (!nfs_server_capable(lo->plh_inode, NFS_CAP_LAYOUTERROR)) in ff_layout_send_layouterror()
2197 ff_layout_fetch_ds_ioerr(lo, &lseg->pls_range, &head, -1); in ff_layout_send_layouterror()
2208 errors[n].offset = pos->offset; in ff_layout_send_layouterror()
2209 errors[n].length = pos->length; in ff_layout_send_layouterror()
2210 nfs4_stateid_copy(&errors[n].stateid, &pos->stateid); in ff_layout_send_layouterror()
2211 errors[n].errors[0].dev_id = pos->deviceid; in ff_layout_send_layouterror()
2212 errors[n].errors[0].status = pos->status; in ff_layout_send_layouterror()
2213 errors[n].errors[0].opnum = pos->opnum; in ff_layout_send_layouterror()
2215 if (!list_is_last(&pos->list, &head) && in ff_layout_send_layouterror()
2238 return snprintf(buf, buflen, "%pI4", &sin->sin_addr); in ff_layout_ntop4()
2246 const struct in6_addr *addr = &sin6->sin6_addr; in ff_layout_ntop6_noscopeid()
2272 &addr->s6_addr32[3]); in ff_layout_ntop6_noscopeid()
2284 struct sockaddr *sap = (struct sockaddr *)&da->da_addr; in ff_layout_encode_netaddr()
2292 switch (sap->sa_family) { in ff_layout_encode_netaddr()
2296 port = ntohs(((struct sockaddr_in *)sap)->sin_port); in ff_layout_encode_netaddr()
2303 port = ntohs(((struct sockaddr_in6 *)sap)->sin6_port); in ff_layout_encode_netaddr()
2343 p = xdr_encode_hyper(p, stat->ops_requested); in ff_layout_encode_io_latency()
2344 p = xdr_encode_hyper(p, stat->bytes_requested); in ff_layout_encode_io_latency()
2345 p = xdr_encode_hyper(p, stat->ops_completed); in ff_layout_encode_io_latency()
2346 p = xdr_encode_hyper(p, stat->bytes_completed); in ff_layout_encode_io_latency()
2347 p = xdr_encode_hyper(p, stat->bytes_not_delivered); in ff_layout_encode_io_latency()
2348 ff_layout_encode_nfstime(xdr, stat->total_busy_time); in ff_layout_encode_io_latency()
2349 ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time); in ff_layout_encode_io_latency()
2355 struct nfs4_ff_layout_mirror *mirror) in ff_layout_encode_ff_layoutupdate() argument
2358 struct nfs4_pnfs_ds *ds = mirror->mirror_ds->ds; in ff_layout_encode_ff_layoutupdate()
2359 struct nfs_fh *fh = &mirror->fh_versions[0]; in ff_layout_encode_ff_layoutupdate()
2362 da = list_first_entry(&ds->ds_addrs, struct nfs4_pnfs_ds_addr, da_node); in ff_layout_encode_ff_layoutupdate()
2364 __func__, ds->ds_remotestr, da->da_remotestr); in ff_layout_encode_ff_layoutupdate()
2368 p = xdr_reserve_space(xdr, 4 + fh->size); in ff_layout_encode_ff_layoutupdate()
2369 xdr_encode_opaque(p, fh->data, fh->size); in ff_layout_encode_ff_layoutupdate()
2371 spin_lock(&mirror->lock); in ff_layout_encode_ff_layoutupdate()
2372 ff_layout_encode_io_latency(xdr, &mirror->read_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2374 ff_layout_encode_io_latency(xdr, &mirror->write_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2375 spin_unlock(&mirror->lock); in ff_layout_encode_ff_layoutupdate()
2377 ff_layout_encode_nfstime(xdr, ktime_sub(ktime_get(), mirror->start_time)); in ff_layout_encode_ff_layoutupdate()
2393 ff_layout_encode_ff_layoutupdate(xdr, devinfo, opaque->data); in ff_layout_encode_layoutstats()
2395 *start = cpu_to_be32((xdr->p - start - 1) * 4); in ff_layout_encode_layoutstats()
2401 struct nfs4_ff_layout_mirror *mirror = opaque->data; in ff_layout_free_layoutstats() local
2403 ff_layout_put_mirror(mirror); in ff_layout_free_layoutstats()
2417 struct nfs4_ff_layout_mirror *mirror; in ff_layout_mirror_prepare_stats() local
2421 list_for_each_entry(mirror, &ff_layout->mirrors, mirrors) { in ff_layout_mirror_prepare_stats()
2424 if (IS_ERR_OR_NULL(mirror->mirror_ds)) in ff_layout_mirror_prepare_stats()
2426 if (!test_and_clear_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags)) in ff_layout_mirror_prepare_stats()
2428 /* mirror refcount put in cleanup_layoutstats */ in ff_layout_mirror_prepare_stats()
2429 if (!refcount_inc_not_zero(&mirror->ref)) in ff_layout_mirror_prepare_stats()
2431 dev = &mirror->mirror_ds->id_node; in ff_layout_mirror_prepare_stats()
2432 memcpy(&devinfo->dev_id, &dev->deviceid, NFS4_DEVICEID4_SIZE); in ff_layout_mirror_prepare_stats()
2433 devinfo->offset = 0; in ff_layout_mirror_prepare_stats()
2434 devinfo->length = NFS4_MAX_UINT64; in ff_layout_mirror_prepare_stats()
2435 spin_lock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2436 devinfo->read_count = mirror->read_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2437 devinfo->read_bytes = mirror->read_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2438 devinfo->write_count = mirror->write_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2439 devinfo->write_bytes = mirror->write_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2440 spin_unlock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2441 devinfo->layout_type = LAYOUT_FLEX_FILES; in ff_layout_mirror_prepare_stats()
2442 devinfo->ld_private.ops = &layoutstat_ops; in ff_layout_mirror_prepare_stats()
2443 devinfo->ld_private.data = mirror; in ff_layout_mirror_prepare_stats()
2458 args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo), GFP_NOIO); in ff_layout_prepare_layoutstats()
2459 if (!args->devinfo) in ff_layout_prepare_layoutstats()
2460 return -ENOMEM; in ff_layout_prepare_layoutstats()
2462 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2463 ff_layout = FF_LAYOUT_FROM_HDR(NFS_I(args->inode)->layout); in ff_layout_prepare_layoutstats()
2464 args->num_dev = ff_layout_mirror_prepare_stats(&ff_layout->generic_hdr, in ff_layout_prepare_layoutstats()
2465 &args->devinfo[0], dev_count); in ff_layout_prepare_layoutstats()
2466 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2467 if (!args->num_dev) { in ff_layout_prepare_layoutstats()
2468 kfree(args->devinfo); in ff_layout_prepare_layoutstats()
2469 args->devinfo = NULL; in ff_layout_prepare_layoutstats()
2470 return -ENOENT; in ff_layout_prepare_layoutstats()
2481 server->caps |= NFS_CAP_LAYOUTSTATS; in ff_layout_set_layoutdriver()
2534 MODULE_ALIAS("nfs-layouttype4-4");