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.
59 pnfs_init_ds_commit_info(&ffl->commit_info); in ff_layout_alloc_layout_hdr()
60 INIT_LIST_HEAD(&ffl->error_list); in ff_layout_alloc_layout_hdr()
61 INIT_LIST_HEAD(&ffl->mirrors); in ff_layout_alloc_layout_hdr()
62 ffl->last_report_time = ktime_get(); in ff_layout_alloc_layout_hdr()
63 ffl->commit_info.ops = &ff_layout_commit_ops; in ff_layout_alloc_layout_hdr()
64 return &ffl->generic_hdr; in ff_layout_alloc_layout_hdr()
75 list_for_each_entry_safe(err, n, &ffl->error_list, list) { in ff_layout_free_layout_hdr()
76 list_del(&err->list); in ff_layout_free_layout_hdr()
88 return -ENOBUFS; in decode_pnfs_stateid()
89 stateid->type = NFS4_PNFS_DS_STATEID_TYPE; in decode_pnfs_stateid()
90 memcpy(stateid->data, p, NFS4_STATEID_SIZE); in decode_pnfs_stateid()
102 return -ENOBUFS; in decode_deviceid()
114 return -ENOBUFS; in decode_nfs_fh()
115 fh->size = be32_to_cpup(p++); in decode_nfs_fh()
116 if (fh->size > NFS_MAXFHSIZE) { in decode_nfs_fh()
118 fh->size); in decode_nfs_fh()
119 return -EOVERFLOW; in decode_nfs_fh()
121 /* fh.data */ in decode_nfs_fh()
122 p = xdr_inline_decode(xdr, fh->size); in decode_nfs_fh()
124 return -ENOBUFS; in decode_nfs_fh()
125 memcpy(&fh->data, p, fh->size); in decode_nfs_fh()
126 dprintk("%s: fh len %d\n", __func__, fh->size); in decode_nfs_fh()
148 return -ENOBUFS; in decode_name()
151 return -EINVAL; in decode_name()
158 return -ENOBUFS; in decode_name()
161 return -EINVAL; in decode_name()
172 struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, ds_idx); in ff_local_open_fh() local
174 return nfs_local_open_fh(clp, cred, fh, &mirror->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()
237 struct nfs4_ff_layout_mirror *mirror) in ff_layout_add_mirror() argument
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()
245 if (!ff_mirror_match_devid(mirror, pos)) in ff_layout_add_mirror()
247 if (!ff_mirror_match_fh(mirror, pos)) 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()
257 return mirror; in ff_layout_add_mirror()
261 ff_layout_remove_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_remove_mirror() argument
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()
276 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_mirror() local
278 mirror = kzalloc(sizeof(*mirror), gfp_flags); in ff_layout_alloc_mirror()
279 if (mirror == NULL) in ff_layout_alloc_mirror()
282 spin_lock_init(&mirror->lock); in ff_layout_alloc_mirror()
283 refcount_set(&mirror->ref, 1); in ff_layout_alloc_mirror()
284 INIT_LIST_HEAD(&mirror->mirrors); in ff_layout_alloc_mirror()
286 mirror->dss_count = dss_count; in ff_layout_alloc_mirror()
287 mirror->dss = in ff_layout_alloc_mirror()
290 if (mirror->dss == NULL) { in ff_layout_alloc_mirror()
291 kfree(mirror); in ff_layout_alloc_mirror()
295 for (u32 dss_id = 0; dss_id < mirror->dss_count; dss_id++) in ff_layout_alloc_mirror()
296 nfs_localio_file_init(&mirror->dss[dss_id].nfl); in ff_layout_alloc_mirror()
298 return mirror; in ff_layout_alloc_mirror()
301 static void ff_layout_free_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_free_mirror() argument
306 ff_layout_remove_mirror(mirror); in ff_layout_free_mirror()
308 for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) { in ff_layout_free_mirror()
309 kfree(mirror->dss[dss_id].fh_versions); in ff_layout_free_mirror()
310 cred = rcu_access_pointer(mirror->dss[dss_id].ro_cred); in ff_layout_free_mirror()
312 cred = rcu_access_pointer(mirror->dss[dss_id].rw_cred); in ff_layout_free_mirror()
314 nfs_close_local_fh(&mirror->dss[dss_id].nfl); in ff_layout_free_mirror()
315 nfs4_ff_layout_put_deviceid(mirror->dss[dss_id].mirror_ds); in ff_layout_free_mirror()
318 kfree(mirror->dss); in ff_layout_free_mirror()
319 kfree(mirror); in ff_layout_free_mirror()
322 static void ff_layout_put_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_put_mirror() argument
324 if (mirror != NULL && refcount_dec_and_test(&mirror->ref)) in ff_layout_put_mirror()
325 ff_layout_free_mirror(mirror); in ff_layout_put_mirror()
332 for (i = 0; i < fls->mirror_array_cnt; i++) in ff_layout_free_mirror_array()
333 ff_layout_put_mirror(fls->mirror_array[i]); in ff_layout_free_mirror_array()
352 if (fl1->mirror_array_cnt != fl2->mirror_array_cnt) in ff_lseg_match_mirrors()
354 for (i = 0; i < fl1->mirror_array_cnt; i++) { in ff_lseg_match_mirrors()
355 if (fl1->mirror_array[i] != fl2->mirror_array[i]) in ff_lseg_match_mirrors()
367 if (l1->iomode != l2->iomode) in ff_lseg_range_is_after()
368 return l1->iomode != IOMODE_READ; in ff_lseg_range_is_after()
369 end1 = pnfs_calc_offset_end(l1->offset, l1->length); in ff_lseg_range_is_after()
370 end2 = pnfs_calc_offset_end(l2->offset, l2->length); in ff_lseg_range_is_after()
371 if (end1 < l2->offset) in ff_lseg_range_is_after()
373 if (end2 < l1->offset) in ff_lseg_range_is_after()
375 return l2->offset <= l1->offset; in ff_lseg_range_is_after()
384 if (test_bit(NFS_LSEG_LAYOUTRETURN, &old->pls_flags)) in ff_lseg_merge()
386 if (new->pls_range.iomode != old->pls_range.iomode) in ff_lseg_merge()
388 old_end = pnfs_calc_offset_end(old->pls_range.offset, in ff_lseg_merge()
389 old->pls_range.length); in ff_lseg_merge()
390 if (old_end < new->pls_range.offset) in ff_lseg_merge()
392 new_end = pnfs_calc_offset_end(new->pls_range.offset, in ff_lseg_merge()
393 new->pls_range.length); in ff_lseg_merge()
394 if (new_end < old->pls_range.offset) in ff_lseg_merge()
402 if (new->pls_range.offset < old->pls_range.offset) in ff_lseg_merge()
403 new->pls_range.offset = old->pls_range.offset; in ff_lseg_merge()
404 new->pls_range.length = pnfs_calc_offset_length(new->pls_range.offset, in ff_lseg_merge()
406 if (test_bit(NFS_LSEG_ROC, &old->pls_flags)) in ff_lseg_merge()
407 set_bit(NFS_LSEG_ROC, &new->pls_flags); in ff_lseg_merge()
422 static u32 ff_mirror_efficiency_sum(const struct nfs4_ff_layout_mirror *mirror) in ff_mirror_efficiency_sum() argument
426 for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) in ff_mirror_efficiency_sum()
427 sum += mirror->dss[dss_id].efficiency; in ff_mirror_efficiency_sum()
436 for (i = 0; i < fls->mirror_array_cnt - 1; i++) { in ff_layout_sort_mirrors()
437 for (j = i + 1; j < fls->mirror_array_cnt; j++) in ff_layout_sort_mirrors()
438 if (ff_mirror_efficiency_sum(fls->mirror_array[i]) < in ff_layout_sort_mirrors()
439 ff_mirror_efficiency_sum(fls->mirror_array[j])) in ff_layout_sort_mirrors()
440 swap(fls->mirror_array[i], in ff_layout_sort_mirrors()
441 fls->mirror_array[j]); in ff_layout_sort_mirrors()
461 dprintk("--> %s\n", __func__); in ff_layout_alloc_lseg()
464 return ERR_PTR(-ENOMEM); in ff_layout_alloc_lseg()
466 xdr_init_decode_pages(&stream, &buf, lgr->layoutp->pages, in ff_layout_alloc_lseg()
467 lgr->layoutp->len); in ff_layout_alloc_lseg()
471 rc = -EIO; in ff_layout_alloc_lseg()
485 rc = -ENOMEM; in ff_layout_alloc_lseg()
491 fls->mirror_array_cnt = mirror_array_cnt; in ff_layout_alloc_lseg()
492 fls->stripe_unit = stripe_unit; in ff_layout_alloc_lseg()
495 for (i = 0; i < fls->mirror_array_cnt; i++) { in ff_layout_alloc_lseg()
496 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_lseg() local
504 rc = -EIO; in ff_layout_alloc_lseg()
522 fls->mirror_array[i] = ff_layout_alloc_mirror(dss_count, gfp_flags); in ff_layout_alloc_lseg()
523 if (fls->mirror_array[i] == NULL) { in ff_layout_alloc_lseg()
524 rc = -ENOMEM; in ff_layout_alloc_lseg()
529 dss_info = &fls->mirror_array[i]->dss[dss_id]; in ff_layout_alloc_lseg()
530 dss_info->mirror = fls->mirror_array[i]; in ff_layout_alloc_lseg()
533 rc = decode_deviceid(&stream, &dss_info->devid); in ff_layout_alloc_lseg()
538 rc = -EIO; in ff_layout_alloc_lseg()
542 dss_info->efficiency = be32_to_cpup(p); in ff_layout_alloc_lseg()
545 rc = decode_pnfs_stateid(&stream, &dss_info->stateid); in ff_layout_alloc_lseg()
550 rc = -EIO; in ff_layout_alloc_lseg()
556 dss_info->fh_versions = in ff_layout_alloc_lseg()
559 if (dss_info->fh_versions == NULL) { in ff_layout_alloc_lseg()
560 rc = -ENOMEM; in ff_layout_alloc_lseg()
566 &dss_info->fh_versions[j]); in ff_layout_alloc_lseg()
571 dss_info->fh_versions_cnt = fh_count; in ff_layout_alloc_lseg()
595 rc = -ENOMEM; in ff_layout_alloc_lseg()
598 kcred->fsuid = uid; in ff_layout_alloc_lseg()
599 kcred->fsgid = gid; in ff_layout_alloc_lseg()
602 if (lgr->range.iomode == IOMODE_READ) in ff_layout_alloc_lseg()
603 rcu_assign_pointer(dss_info->ro_cred, cred); in ff_layout_alloc_lseg()
605 rcu_assign_pointer(dss_info->rw_cred, cred); in ff_layout_alloc_lseg()
608 mirror = ff_layout_add_mirror(lh, fls->mirror_array[i]); in ff_layout_alloc_lseg()
609 if (mirror != fls->mirror_array[i]) { in ff_layout_alloc_lseg()
611 dss_info = &fls->mirror_array[i]->dss[dss_id]; in ff_layout_alloc_lseg()
613 if (lgr->range.iomode == IOMODE_READ) { in ff_layout_alloc_lseg()
614 cred = xchg(&mirror->dss[dss_id].ro_cred, in ff_layout_alloc_lseg()
615 dss_info->ro_cred); in ff_layout_alloc_lseg()
616 rcu_assign_pointer(dss_info->ro_cred, cred); in ff_layout_alloc_lseg()
618 cred = xchg(&mirror->dss[dss_id].rw_cred, in ff_layout_alloc_lseg()
619 dss_info->rw_cred); in ff_layout_alloc_lseg()
620 rcu_assign_pointer(dss_info->rw_cred, cred); in ff_layout_alloc_lseg()
623 ff_layout_free_mirror(fls->mirror_array[i]); in ff_layout_alloc_lseg()
624 fls->mirror_array[i] = mirror; in ff_layout_alloc_lseg()
628 lgr->range.iomode == IOMODE_READ ? "READ" : "RW", in ff_layout_alloc_lseg()
636 fls->flags = be32_to_cpup(p); in ff_layout_alloc_lseg()
641 for (i=0; i < fls->mirror_array_cnt; i++) in ff_layout_alloc_lseg()
642 fls->mirror_array[i]->report_interval = be32_to_cpup(p); in ff_layout_alloc_lseg()
646 ret = &fls->generic_hdr; in ff_layout_alloc_lseg()
647 dprintk("<-- %s (success)\n", __func__); in ff_layout_alloc_lseg()
654 dprintk("<-- %s (%d)\n", __func__, rc); in ff_layout_alloc_lseg()
663 dprintk("--> %s\n", __func__); in ff_layout_free_lseg()
665 if (lseg->pls_range.iomode == IOMODE_RW) { in ff_layout_free_lseg()
669 ffl = FF_LAYOUT_FROM_HDR(lseg->pls_layout); in ff_layout_free_lseg()
670 inode = ffl->generic_hdr.plh_inode; in ff_layout_free_lseg()
671 spin_lock(&inode->i_lock); in ff_layout_free_lseg()
672 pnfs_generic_ds_cinfo_release_lseg(&ffl->commit_info, lseg); in ff_layout_free_lseg()
673 spin_unlock(&inode->i_lock); in ff_layout_free_lseg()
683 return (mirror_idx * flseg->mirror_array[0]->dss_count) + dss_id; in calc_commit_idx()
689 return commit_index / FF_LAYOUT_LSEG(lseg)->mirror_array[0]->dss_count; in calc_mirror_idx_from_commit()
695 return commit_index % FF_LAYOUT_LSEG(lseg)->mirror_array[0]->dss_count; in calc_dss_id_from_commit()
702 if (atomic_inc_return(&timer->n_ops) == 1) { in nfs4_ff_start_busy_timer()
703 timer->start_time = now; in nfs4_ff_start_busy_timer()
712 if (atomic_dec_return(&timer->n_ops) < 0) in nfs4_ff_end_busy_timer()
715 start = timer->start_time; in nfs4_ff_end_busy_timer()
716 timer->start_time = now; in nfs4_ff_end_busy_timer()
721 nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layoutstat_start_io() argument
727 struct nfs4_flexfile_layout *ffl = FF_LAYOUT_FROM_HDR(mirror->layout); in nfs4_ff_layoutstat_start_io()
729 nfs4_ff_start_busy_timer(&layoutstat->busy_timer, now); in nfs4_ff_layoutstat_start_io()
730 if (!mirror->dss[dss_id].start_time) in nfs4_ff_layoutstat_start_io()
731 mirror->dss[dss_id].start_time = now; in nfs4_ff_layoutstat_start_io()
732 if (mirror->report_interval != 0) in nfs4_ff_layoutstat_start_io()
733 report_interval = (s64)mirror->report_interval * 1000LL; in nfs4_ff_layoutstat_start_io()
736 if (ktime_to_ms(ktime_sub(now, ffl->last_report_time)) >= in nfs4_ff_layoutstat_start_io()
738 ffl->last_report_time = now; in nfs4_ff_layoutstat_start_io()
749 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_requested()
751 iostat->ops_requested++; in nfs4_ff_layout_stat_io_update_requested()
752 iostat->bytes_requested += requested; in nfs4_ff_layout_stat_io_update_requested()
762 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_completed()
766 iostat->ops_completed++; in nfs4_ff_layout_stat_io_update_completed()
767 iostat->bytes_completed += completed; in nfs4_ff_layout_stat_io_update_completed()
768 iostat->bytes_not_delivered += requested - completed; in nfs4_ff_layout_stat_io_update_completed()
770 timer = nfs4_ff_end_busy_timer(&layoutstat->busy_timer, time_completed); in nfs4_ff_layout_stat_io_update_completed()
771 iostat->total_busy_time = in nfs4_ff_layout_stat_io_update_completed()
772 ktime_add(iostat->total_busy_time, timer); in nfs4_ff_layout_stat_io_update_completed()
773 iostat->aggregate_completion_time = in nfs4_ff_layout_stat_io_update_completed()
774 ktime_add(iostat->aggregate_completion_time, in nfs4_ff_layout_stat_io_update_completed()
780 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_read() argument
786 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
788 mirror, dss_id, &mirror->dss[dss_id].read_stat, now); in nfs4_ff_layout_stat_io_start_read()
790 &mirror->dss[dss_id].read_stat, requested); in nfs4_ff_layout_stat_io_start_read()
791 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_read()
792 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
800 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_read() argument
805 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
806 nfs4_ff_layout_stat_io_update_completed(&mirror->dss[dss_id].read_stat, in nfs4_ff_layout_stat_io_end_read()
808 ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_read()
809 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_read()
810 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
815 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_write() argument
821 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
823 mirror, in nfs4_ff_layout_stat_io_start_write()
825 &mirror->dss[dss_id].write_stat, in nfs4_ff_layout_stat_io_start_write()
828 &mirror->dss[dss_id].write_stat, in nfs4_ff_layout_stat_io_start_write()
830 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_write()
831 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
839 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_write() argument
848 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
849 nfs4_ff_layout_stat_io_update_completed(&mirror->dss[dss_id].write_stat, in nfs4_ff_layout_stat_io_end_write()
850 requested, completed, ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_write()
851 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_write()
852 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
880 struct nfs4_ff_layout_mirror *mirror; in ff_layout_choose_ds_for_read() local
881 struct nfs4_pnfs_ds *ds = ERR_PTR(-EAGAIN); in ff_layout_choose_ds_for_read()
885 for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) { in ff_layout_choose_ds_for_read()
886 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_choose_ds_for_read()
888 fls->stripe_unit, in ff_layout_choose_ds_for_read()
889 fls->mirror_array[idx]->dss_count, in ff_layout_choose_ds_for_read()
891 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, *dss_id, false); in ff_layout_choose_ds_for_read()
896 nfs4_test_deviceid_unavailable(&mirror->dss[*dss_id].mirror_ds->id_node)) { in ff_layout_choose_ds_for_read()
898 ds = ERR_PTR(-EINVAL); in ff_layout_choose_ds_for_read()
948 struct pnfs_layout_segment *lseg = pgio->pg_lseg; in ff_layout_get_ds_for_read()
951 ds = ff_layout_choose_best_ds_for_read(lseg, pgio->pg_mirror_idx, in ff_layout_get_ds_for_read()
953 if (!IS_ERR(ds) || !pgio->pg_mirror_idx) in ff_layout_get_ds_for_read()
964 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_get_read()
965 pgio->pg_lseg = in ff_layout_pg_get_read()
966 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_get_read()
967 req_offset(req), req->wb_bytes, IOMODE_READ, in ff_layout_pg_get_read()
969 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_read()
970 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_read()
971 pgio->pg_lseg = NULL; in ff_layout_pg_get_read()
978 return fls->mirror_array[0]->dss_count > 1; in ff_layout_lseg_is_striped()
985 * of bytes (maximum @req->wb_bytes) that can be coalesced.
994 u64 segment_offset = pgio->pg_lseg->pls_range.offset; in ff_layout_pg_test()
995 u32 stripe_unit = FF_LAYOUT_LSEG(pgio->pg_lseg)->stripe_unit; in ff_layout_pg_test()
1001 else if (!ff_layout_lseg_is_striped(FF_LAYOUT_LSEG(pgio->pg_lseg))) in ff_layout_pg_test()
1006 p_stripe = (u64)req_offset(prev) - segment_offset; in ff_layout_pg_test()
1007 r_stripe = (u64)req_offset(req) - segment_offset; in ff_layout_pg_test()
1016 div_u64_rem((u64)req_offset(req) - segment_offset, in ff_layout_pg_test()
1022 return min(stripe_unit - (unsigned int)stripe_offset, size); in ff_layout_pg_test()
1030 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_read() local
1034 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_read()
1036 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_read()
1040 if (!pgio->pg_lseg) { in ff_layout_pg_init_read()
1042 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
1045 if (ff_layout_avoid_read_on_rw(pgio->pg_lseg)) { in ff_layout_pg_init_read()
1047 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
1051 req->wb_nio = 0; in ff_layout_pg_init_read()
1056 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_read()
1064 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx); in ff_layout_pg_init_read()
1065 pgm = &pgio->pg_mirrors[0]; in ff_layout_pg_init_read()
1066 pgm->pg_bsize = mirror->dss[dss_id].mirror_ds->ds_versions[0].rsize; in ff_layout_pg_init_read()
1068 pgio->pg_mirror_idx = ds_idx; in ff_layout_pg_init_read()
1071 if (pgio->pg_error < 0) { in ff_layout_pg_init_read()
1072 if (pgio->pg_error != -EAGAIN) in ff_layout_pg_init_read()
1074 /* Retry getting layout segment if lower layer returned -EAGAIN */ in ff_layout_pg_init_read()
1075 if (pgio->pg_maxretrans && req->wb_nio++ > pgio->pg_maxretrans) { in ff_layout_pg_init_read()
1076 if (NFS_SERVER(pgio->pg_inode)->flags & NFS_MOUNT_SOFTERR) in ff_layout_pg_init_read()
1077 pgio->pg_error = -ETIMEDOUT; in ff_layout_pg_init_read()
1079 pgio->pg_error = -EIO; in ff_layout_pg_init_read()
1082 pgio->pg_error = 0; in ff_layout_pg_init_read()
1088 trace_pnfs_mds_fallback_pg_init_read(pgio->pg_inode, in ff_layout_pg_init_read()
1090 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_read()
1091 pgio->pg_lseg); in ff_layout_pg_init_read()
1092 pgio->pg_maxretrans = 0; in ff_layout_pg_init_read()
1100 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_write() local
1107 if (!pgio->pg_lseg) { in ff_layout_pg_init_write()
1108 pgio->pg_lseg = in ff_layout_pg_init_write()
1109 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_init_write()
1110 req_offset(req), req->wb_bytes, in ff_layout_pg_init_write()
1112 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_init_write()
1113 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_init_write()
1114 pgio->pg_lseg = NULL; in ff_layout_pg_init_write()
1119 if (pgio->pg_lseg == NULL) in ff_layout_pg_init_write()
1123 if (pgio->pg_mirror_count != FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg)) in ff_layout_pg_init_write()
1126 for (i = 0; i < pgio->pg_mirror_count; i++) { in ff_layout_pg_init_write()
1127 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i); in ff_layout_pg_init_write()
1129 FF_LAYOUT_LSEG(pgio->pg_lseg)->stripe_unit, in ff_layout_pg_init_write()
1130 mirror->dss_count, in ff_layout_pg_init_write()
1132 ds = nfs4_ff_layout_prepare_ds(pgio->pg_lseg, mirror, in ff_layout_pg_init_write()
1135 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_write()
1142 pgm = &pgio->pg_mirrors[i]; in ff_layout_pg_init_write()
1143 pgm->pg_bsize = mirror->dss[dss_id].mirror_ds->ds_versions[0].wsize; in ff_layout_pg_init_write()
1146 if (NFS_SERVER(pgio->pg_inode)->flags & in ff_layout_pg_init_write()
1148 pgio->pg_maxretrans = io_maxretrans; in ff_layout_pg_init_write()
1152 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
1155 trace_pnfs_mds_fallback_pg_init_write(pgio->pg_inode, in ff_layout_pg_init_write()
1157 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_init_write()
1158 pgio->pg_lseg); in ff_layout_pg_init_write()
1159 pgio->pg_maxretrans = 0; in ff_layout_pg_init_write()
1161 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
1168 if (!pgio->pg_lseg) { in ff_layout_pg_get_mirror_count_write()
1169 pgio->pg_lseg = in ff_layout_pg_get_mirror_count_write()
1170 pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req), in ff_layout_pg_get_mirror_count_write()
1171 req_offset(req), req->wb_bytes, in ff_layout_pg_get_mirror_count_write()
1173 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_mirror_count_write()
1174 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
1175 pgio->pg_lseg = NULL; in ff_layout_pg_get_mirror_count_write()
1179 if (pgio->pg_lseg) in ff_layout_pg_get_mirror_count_write()
1180 return FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
1182 trace_pnfs_mds_fallback_pg_get_mirror_count(pgio->pg_inode, in ff_layout_pg_get_mirror_count_write()
1184 NFS_I(pgio->pg_inode)->layout, in ff_layout_pg_get_mirror_count_write()
1185 pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
1195 u32 old = desc->pg_mirror_idx; in ff_layout_pg_set_mirror_write()
1197 desc->pg_mirror_idx = idx; in ff_layout_pg_set_mirror_write()
1204 return &desc->pg_mirrors[idx]; in ff_layout_pg_get_mirror_write()
1226 struct rpc_task *task = &hdr->task; in ff_layout_reset_write()
1228 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_write()
1233 hdr->task.tk_pid, in ff_layout_reset_write()
1234 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1235 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1236 hdr->args.count, in ff_layout_reset_write()
1237 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1239 hdr->completion_ops->reschedule_io(hdr); in ff_layout_reset_write()
1243 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_write()
1246 hdr->task.tk_pid, in ff_layout_reset_write()
1247 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1248 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1249 hdr->args.count, in ff_layout_reset_write()
1250 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1252 trace_pnfs_mds_fallback_write_done(hdr->inode, in ff_layout_reset_write()
1253 hdr->args.offset, hdr->args.count, in ff_layout_reset_write()
1254 IOMODE_RW, NFS_I(hdr->inode)->layout, in ff_layout_reset_write()
1255 hdr->lseg); in ff_layout_reset_write()
1256 task->tk_status = pnfs_write_done_resend_to_mds(hdr); in ff_layout_reset_write()
1262 u32 idx = hdr->pgio_mirror_idx + 1; in ff_layout_resend_pnfs_read()
1267 ds = ff_layout_choose_any_ds_for_read(hdr->lseg, idx, &new_idx, in ff_layout_resend_pnfs_read()
1268 hdr->args.offset, &dss_id); in ff_layout_resend_pnfs_read()
1270 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_resend_pnfs_read()
1272 ff_layout_send_layouterror(hdr->lseg); in ff_layout_resend_pnfs_read()
1278 struct rpc_task *task = &hdr->task; in ff_layout_reset_read()
1280 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_read()
1281 pnfs_error_mark_layout_for_return(hdr->inode, hdr->lseg); in ff_layout_reset_read()
1283 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_read()
1286 hdr->task.tk_pid, in ff_layout_reset_read()
1287 hdr->inode->i_sb->s_id, in ff_layout_reset_read()
1288 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_read()
1289 hdr->args.count, in ff_layout_reset_read()
1290 (unsigned long long)hdr->args.offset); in ff_layout_reset_read()
1292 trace_pnfs_mds_fallback_read_done(hdr->inode, in ff_layout_reset_read()
1293 hdr->args.offset, hdr->args.count, in ff_layout_reset_read()
1294 IOMODE_READ, NFS_I(hdr->inode)->layout, in ff_layout_reset_read()
1295 hdr->lseg); in ff_layout_reset_read()
1296 task->tk_status = pnfs_read_done_resend_to_mds(hdr); in ff_layout_reset_read()
1307 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_async_handle_error_v4()
1308 struct inode *inode = lo->plh_inode; in ff_layout_async_handle_error_v4()
1310 struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table; in ff_layout_async_handle_error_v4()
1317 if (!task->tk_xprt) in ff_layout_async_handle_error_v4()
1319 xprt_force_disconnect(task->tk_xprt); in ff_layout_async_handle_error_v4()
1329 "flags 0x%x\n", __func__, task->tk_status, in ff_layout_async_handle_error_v4()
1330 clp->cl_exchange_flags); in ff_layout_async_handle_error_v4()
1331 nfs4_schedule_session_recovery(clp->cl_session, task->tk_status); in ff_layout_async_handle_error_v4()
1334 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v4()
1349 task->tk_status); in ff_layout_async_handle_error_v4()
1358 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1364 switch (task->tk_status) { in ff_layout_async_handle_error_v4()
1366 case -ENETDOWN: in ff_layout_async_handle_error_v4()
1367 case -ENETUNREACH: in ff_layout_async_handle_error_v4()
1368 if (test_bit(NFS_CS_NETUNREACH_FATAL, &clp->cl_flags)) in ff_layout_async_handle_error_v4()
1369 return -NFS4ERR_FATAL_IOERROR; in ff_layout_async_handle_error_v4()
1371 case -ECONNREFUSED: in ff_layout_async_handle_error_v4()
1372 case -EHOSTDOWN: in ff_layout_async_handle_error_v4()
1373 case -EHOSTUNREACH: in ff_layout_async_handle_error_v4()
1374 case -EIO: in ff_layout_async_handle_error_v4()
1375 case -ETIMEDOUT: in ff_layout_async_handle_error_v4()
1376 case -EPIPE: in ff_layout_async_handle_error_v4()
1377 case -EPROTO: in ff_layout_async_handle_error_v4()
1378 case -ENODEV: in ff_layout_async_handle_error_v4()
1380 task->tk_status); in ff_layout_async_handle_error_v4()
1381 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v4()
1382 &devid->deviceid); in ff_layout_async_handle_error_v4()
1383 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1390 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v4()
1393 task->tk_status); in ff_layout_async_handle_error_v4()
1394 return -NFS4ERR_RESET_TO_MDS; in ff_layout_async_handle_error_v4()
1397 task->tk_status = 0; in ff_layout_async_handle_error_v4()
1398 return -EAGAIN; in ff_layout_async_handle_error_v4()
1401 /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
1415 if (!task->tk_xprt) in ff_layout_async_handle_error_v3()
1417 xprt_force_disconnect(task->tk_xprt); in ff_layout_async_handle_error_v3()
1428 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v3()
1434 switch (task->tk_status) { in ff_layout_async_handle_error_v3()
1436 case -EACCES: in ff_layout_async_handle_error_v3()
1437 case -ESTALE: in ff_layout_async_handle_error_v3()
1438 case -EISDIR: in ff_layout_async_handle_error_v3()
1439 case -EBADHANDLE: in ff_layout_async_handle_error_v3()
1440 case -ELOOP: in ff_layout_async_handle_error_v3()
1441 case -ENOSPC: in ff_layout_async_handle_error_v3()
1443 case -EJUKEBOX: in ff_layout_async_handle_error_v3()
1444 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v3()
1446 case -ENETDOWN: in ff_layout_async_handle_error_v3()
1447 case -ENETUNREACH: in ff_layout_async_handle_error_v3()
1448 if (test_bit(NFS_CS_NETUNREACH_FATAL, &clp->cl_flags)) in ff_layout_async_handle_error_v3()
1449 return -NFS4ERR_FATAL_IOERROR; in ff_layout_async_handle_error_v3()
1453 task->tk_status); in ff_layout_async_handle_error_v3()
1454 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v3()
1455 &devid->deviceid); in ff_layout_async_handle_error_v3()
1459 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v3()
1461 task->tk_status = 0; in ff_layout_async_handle_error_v3()
1464 return -EAGAIN; in ff_layout_async_handle_error_v3()
1474 int vers = clp->cl_nfs_mod->rpc_vers->number; in ff_layout_async_handle_error()
1476 if (task->tk_status >= 0) { in ff_layout_async_handle_error()
1483 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error()
1503 struct nfs4_ff_layout_mirror *mirror; in ff_layout_io_track_ds_error() local
1509 case -ETIMEDOUT: in ff_layout_io_track_ds_error()
1510 case -EPFNOSUPPORT: in ff_layout_io_track_ds_error()
1511 case -EPROTONOSUPPORT: in ff_layout_io_track_ds_error()
1512 case -EOPNOTSUPP: in ff_layout_io_track_ds_error()
1513 case -EINVAL: in ff_layout_io_track_ds_error()
1514 case -ECONNREFUSED: in ff_layout_io_track_ds_error()
1515 case -ECONNRESET: in ff_layout_io_track_ds_error()
1516 case -EHOSTDOWN: in ff_layout_io_track_ds_error()
1517 case -EHOSTUNREACH: in ff_layout_io_track_ds_error()
1518 case -ENETDOWN: in ff_layout_io_track_ds_error()
1519 case -ENETUNREACH: in ff_layout_io_track_ds_error()
1520 case -EADDRINUSE: in ff_layout_io_track_ds_error()
1521 case -ENOBUFS: in ff_layout_io_track_ds_error()
1522 case -EPIPE: in ff_layout_io_track_ds_error()
1523 case -EPERM: in ff_layout_io_track_ds_error()
1524 case -EPROTO: in ff_layout_io_track_ds_error()
1525 case -ENODEV: in ff_layout_io_track_ds_error()
1528 case -EACCES: in ff_layout_io_track_ds_error()
1536 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_io_track_ds_error()
1537 err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout), in ff_layout_io_track_ds_error()
1538 mirror, dss_id, offset, length, status, opnum, in ff_layout_io_track_ds_error()
1556 pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, in ff_layout_io_track_ds_error()
1567 struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(hdr->lseg); in ff_layout_read_done_cb()
1569 flseg->stripe_unit, in ff_layout_read_done_cb()
1570 flseg->mirror_array[hdr->pgio_mirror_idx]->dss_count, in ff_layout_read_done_cb()
1571 hdr->args.offset); in ff_layout_read_done_cb()
1574 if (task->tk_status < 0) { in ff_layout_read_done_cb()
1575 ff_layout_io_track_ds_error(hdr->lseg, in ff_layout_read_done_cb()
1576 hdr->pgio_mirror_idx, dss_id, in ff_layout_read_done_cb()
1577 hdr->args.offset, hdr->args.count, in ff_layout_read_done_cb()
1578 &hdr->res.op_status, OP_READ, in ff_layout_read_done_cb()
1579 task->tk_status); in ff_layout_read_done_cb()
1580 trace_ff_layout_read_error(hdr, task->tk_status); in ff_layout_read_done_cb()
1583 err = ff_layout_async_handle_error(task, hdr->res.op_status, in ff_layout_read_done_cb()
1584 hdr->args.context->state, in ff_layout_read_done_cb()
1585 hdr->ds_clp, hdr->lseg, in ff_layout_read_done_cb()
1586 hdr->pgio_mirror_idx, in ff_layout_read_done_cb()
1590 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1591 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1593 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_read_done_cb()
1594 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1595 return task->tk_status; in ff_layout_read_done_cb()
1596 case -NFS4ERR_RESET_TO_MDS: in ff_layout_read_done_cb()
1597 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1598 return task->tk_status; in ff_layout_read_done_cb()
1599 case -EAGAIN: in ff_layout_read_done_cb()
1601 case -NFS4ERR_FATAL_IOERROR: in ff_layout_read_done_cb()
1602 task->tk_status = -EIO; in ff_layout_read_done_cb()
1609 return -EAGAIN; in ff_layout_read_done_cb()
1615 return !(FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_LAYOUTCOMMIT); in ff_layout_need_layoutcommit()
1624 * to follow http://www.rfc-editor.org/errata_search.php?rfc=5661&eid=2751
1636 dprintk("%s inode %lu pls_end_pos %llu\n", __func__, inode->i_ino, in ff_layout_set_layoutcommit()
1637 (unsigned long long) NFS_I(inode)->layout->plh_lwb); in ff_layout_set_layoutcommit()
1643 struct nfs4_ff_layout_mirror *mirror; in ff_layout_read_record_layoutstats_start() local
1646 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_start()
1649 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_read_record_layoutstats_start()
1651 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_read_record_layoutstats_start()
1652 mirror->dss_count, in ff_layout_read_record_layoutstats_start()
1653 hdr->args.offset); in ff_layout_read_record_layoutstats_start()
1656 hdr->inode, in ff_layout_read_record_layoutstats_start()
1657 mirror, in ff_layout_read_record_layoutstats_start()
1659 hdr->args.count, in ff_layout_read_record_layoutstats_start()
1660 task->tk_start); in ff_layout_read_record_layoutstats_start()
1666 struct nfs4_ff_layout_mirror *mirror; in ff_layout_read_record_layoutstats_done() local
1669 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_done()
1672 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_read_record_layoutstats_done()
1674 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_read_record_layoutstats_done()
1675 mirror->dss_count, in ff_layout_read_record_layoutstats_done()
1676 hdr->args.offset); in ff_layout_read_record_layoutstats_done()
1680 mirror, in ff_layout_read_record_layoutstats_done()
1682 hdr->args.count, in ff_layout_read_record_layoutstats_done()
1683 hdr->res.count); in ff_layout_read_record_layoutstats_done()
1684 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_read_record_layoutstats_done()
1690 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_read_prepare_common()
1691 rpc_exit(task, -EIO); in ff_layout_read_prepare_common()
1692 return -EIO; in ff_layout_read_prepare_common()
1695 if (!pnfs_is_valid_lseg(hdr->lseg)) { in ff_layout_read_prepare_common()
1696 rpc_exit(task, -EAGAIN); in ff_layout_read_prepare_common()
1697 return -EAGAIN; in ff_layout_read_prepare_common()
1709 static void ff_layout_read_prepare_v3(struct rpc_task *task, void *data) in ff_layout_read_prepare_v3() argument
1711 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v3()
1719 static void ff_layout_read_prepare_v4(struct rpc_task *task, void *data) in ff_layout_read_prepare_v4() argument
1721 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v4()
1723 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_read_prepare_v4()
1724 &hdr->args.seq_args, in ff_layout_read_prepare_v4()
1725 &hdr->res.seq_res, in ff_layout_read_prepare_v4()
1732 static void ff_layout_read_call_done(struct rpc_task *task, void *data) in ff_layout_read_call_done() argument
1734 struct nfs_pgio_header *hdr = data; in ff_layout_read_call_done()
1736 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_read_call_done()
1737 task->tk_status == 0) { in ff_layout_read_call_done()
1738 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_read_call_done()
1743 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_read_call_done()
1746 static void ff_layout_read_count_stats(struct rpc_task *task, void *data) in ff_layout_read_count_stats() argument
1748 struct nfs_pgio_header *hdr = data; in ff_layout_read_count_stats()
1752 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_READ]); in ff_layout_read_count_stats()
1755 static void ff_layout_read_release(void *data) in ff_layout_read_release() argument
1757 struct nfs_pgio_header *hdr = data; in ff_layout_read_release()
1759 ff_layout_read_record_layoutstats_done(&hdr->task, hdr); in ff_layout_read_release()
1760 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) in ff_layout_read_release()
1762 else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_read_release()
1764 pnfs_generic_rw_release(data); in ff_layout_read_release()
1771 struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(hdr->lseg); in ff_layout_write_done_cb()
1773 flseg->stripe_unit, in ff_layout_write_done_cb()
1774 flseg->mirror_array[hdr->pgio_mirror_idx]->dss_count, in ff_layout_write_done_cb()
1775 hdr->args.offset); in ff_layout_write_done_cb()
1779 if (task->tk_status < 0) { in ff_layout_write_done_cb()
1780 ff_layout_io_track_ds_error(hdr->lseg, in ff_layout_write_done_cb()
1781 hdr->pgio_mirror_idx, dss_id, in ff_layout_write_done_cb()
1782 hdr->args.offset, hdr->args.count, in ff_layout_write_done_cb()
1783 &hdr->res.op_status, OP_WRITE, in ff_layout_write_done_cb()
1784 task->tk_status); in ff_layout_write_done_cb()
1785 trace_ff_layout_write_error(hdr, task->tk_status); in ff_layout_write_done_cb()
1788 err = ff_layout_async_handle_error(task, hdr->res.op_status, in ff_layout_write_done_cb()
1789 hdr->args.context->state, in ff_layout_write_done_cb()
1790 hdr->ds_clp, hdr->lseg, in ff_layout_write_done_cb()
1791 hdr->pgio_mirror_idx, in ff_layout_write_done_cb()
1795 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1796 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1798 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_write_done_cb()
1799 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1800 return task->tk_status; in ff_layout_write_done_cb()
1801 case -NFS4ERR_RESET_TO_MDS: in ff_layout_write_done_cb()
1802 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1803 return task->tk_status; in ff_layout_write_done_cb()
1804 case -EAGAIN: in ff_layout_write_done_cb()
1805 return -EAGAIN; in ff_layout_write_done_cb()
1806 case -NFS4ERR_FATAL_IOERROR: in ff_layout_write_done_cb()
1807 task->tk_status = -EIO; in ff_layout_write_done_cb()
1811 if (hdr->res.verf->committed == NFS_FILE_SYNC || in ff_layout_write_done_cb()
1812 hdr->res.verf->committed == NFS_DATA_SYNC) in ff_layout_write_done_cb()
1813 end_offs = hdr->mds_offset + (loff_t)hdr->res.count; in ff_layout_write_done_cb()
1816 ff_layout_set_layoutcommit(hdr->inode, hdr->lseg, end_offs); in ff_layout_write_done_cb()
1819 hdr->fattr.valid = 0; in ff_layout_write_done_cb()
1820 if (task->tk_status >= 0) in ff_layout_write_done_cb()
1827 struct nfs_commit_data *data) in ff_layout_commit_done_cb() argument
1830 u32 idx = calc_mirror_idx_from_commit(data->lseg, data->ds_commit_index); in ff_layout_commit_done_cb()
1831 u32 dss_id = calc_dss_id_from_commit(data->lseg, data->ds_commit_index); in ff_layout_commit_done_cb()
1833 if (task->tk_status < 0) { in ff_layout_commit_done_cb()
1834 ff_layout_io_track_ds_error(data->lseg, idx, dss_id, in ff_layout_commit_done_cb()
1835 data->args.offset, data->args.count, in ff_layout_commit_done_cb()
1836 &data->res.op_status, OP_COMMIT, in ff_layout_commit_done_cb()
1837 task->tk_status); in ff_layout_commit_done_cb()
1838 trace_ff_layout_commit_error(data, task->tk_status); in ff_layout_commit_done_cb()
1841 err = ff_layout_async_handle_error(task, data->res.op_status, in ff_layout_commit_done_cb()
1842 NULL, data->ds_clp, data->lseg, idx, in ff_layout_commit_done_cb()
1845 trace_nfs4_pnfs_commit_ds(data, err); in ff_layout_commit_done_cb()
1847 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_commit_done_cb()
1848 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1849 return -EAGAIN; in ff_layout_commit_done_cb()
1850 case -NFS4ERR_RESET_TO_MDS: in ff_layout_commit_done_cb()
1851 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1852 return -EAGAIN; in ff_layout_commit_done_cb()
1853 case -EAGAIN: in ff_layout_commit_done_cb()
1855 return -EAGAIN; in ff_layout_commit_done_cb()
1856 case -NFS4ERR_FATAL_IOERROR: in ff_layout_commit_done_cb()
1857 task->tk_status = -EIO; in ff_layout_commit_done_cb()
1861 ff_layout_set_layoutcommit(data->inode, data->lseg, data->lwb); in ff_layout_commit_done_cb()
1868 struct nfs4_ff_layout_mirror *mirror; in ff_layout_write_record_layoutstats_start() local
1871 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_start()
1874 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_write_record_layoutstats_start()
1876 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_write_record_layoutstats_start()
1877 mirror->dss_count, in ff_layout_write_record_layoutstats_start()
1878 hdr->args.offset); in ff_layout_write_record_layoutstats_start()
1881 hdr->inode, in ff_layout_write_record_layoutstats_start()
1882 mirror, in ff_layout_write_record_layoutstats_start()
1884 hdr->args.count, in ff_layout_write_record_layoutstats_start()
1885 task->tk_start); in ff_layout_write_record_layoutstats_start()
1891 struct nfs4_ff_layout_mirror *mirror; in ff_layout_write_record_layoutstats_done() local
1894 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_done()
1897 mirror = FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx); in ff_layout_write_record_layoutstats_done()
1899 FF_LAYOUT_LSEG(hdr->lseg)->stripe_unit, in ff_layout_write_record_layoutstats_done()
1900 mirror->dss_count, in ff_layout_write_record_layoutstats_done()
1901 hdr->args.offset); in ff_layout_write_record_layoutstats_done()
1905 mirror, in ff_layout_write_record_layoutstats_done()
1907 hdr->args.count, in ff_layout_write_record_layoutstats_done()
1908 hdr->res.count, in ff_layout_write_record_layoutstats_done()
1909 hdr->res.verf->committed); in ff_layout_write_record_layoutstats_done()
1910 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_write_record_layoutstats_done()
1916 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_write_prepare_common()
1917 rpc_exit(task, -EIO); in ff_layout_write_prepare_common()
1918 return -EIO; in ff_layout_write_prepare_common()
1921 if (!pnfs_is_valid_lseg(hdr->lseg)) { in ff_layout_write_prepare_common()
1922 rpc_exit(task, -EAGAIN); in ff_layout_write_prepare_common()
1923 return -EAGAIN; in ff_layout_write_prepare_common()
1930 static void ff_layout_write_prepare_v3(struct rpc_task *task, void *data) in ff_layout_write_prepare_v3() argument
1932 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v3()
1940 static void ff_layout_write_prepare_v4(struct rpc_task *task, void *data) in ff_layout_write_prepare_v4() argument
1942 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v4()
1944 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_write_prepare_v4()
1945 &hdr->args.seq_args, in ff_layout_write_prepare_v4()
1946 &hdr->res.seq_res, in ff_layout_write_prepare_v4()
1953 static void ff_layout_write_call_done(struct rpc_task *task, void *data) in ff_layout_write_call_done() argument
1955 struct nfs_pgio_header *hdr = data; in ff_layout_write_call_done()
1957 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_write_call_done()
1958 task->tk_status == 0) { in ff_layout_write_call_done()
1959 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_write_call_done()
1964 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_write_call_done()
1967 static void ff_layout_write_count_stats(struct rpc_task *task, void *data) in ff_layout_write_count_stats() argument
1969 struct nfs_pgio_header *hdr = data; in ff_layout_write_count_stats()
1973 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_WRITE]); in ff_layout_write_count_stats()
1976 static void ff_layout_write_release(void *data) in ff_layout_write_release() argument
1978 struct nfs_pgio_header *hdr = data; in ff_layout_write_release()
1980 ff_layout_write_record_layoutstats_done(&hdr->task, hdr); in ff_layout_write_release()
1981 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) { in ff_layout_write_release()
1982 ff_layout_send_layouterror(hdr->lseg); in ff_layout_write_release()
1984 } else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_write_release()
1986 pnfs_generic_rw_release(data); in ff_layout_write_release()
1994 if (test_and_set_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_start()
1997 idx = calc_mirror_idx_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_start()
1998 dss_id = calc_dss_id_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_start()
1999 nfs4_ff_layout_stat_io_start_write(cdata->inode, in ff_layout_commit_record_layoutstats_start()
2000 FF_LAYOUT_COMP(cdata->lseg, idx), in ff_layout_commit_record_layoutstats_start()
2002 0, task->tk_start); in ff_layout_commit_record_layoutstats_start()
2012 if (!test_and_clear_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_done()
2015 if (task->tk_status == 0) { in ff_layout_commit_record_layoutstats_done()
2016 list_for_each_entry(req, &cdata->pages, wb_list) in ff_layout_commit_record_layoutstats_done()
2017 count += req->wb_bytes; in ff_layout_commit_record_layoutstats_done()
2020 idx = calc_mirror_idx_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_done()
2021 dss_id = calc_dss_id_from_commit(cdata->lseg, cdata->ds_commit_index); in ff_layout_commit_record_layoutstats_done()
2023 FF_LAYOUT_COMP(cdata->lseg, idx), in ff_layout_commit_record_layoutstats_done()
2026 set_bit(NFS_LSEG_LAYOUTRETURN, &cdata->lseg->pls_flags); in ff_layout_commit_record_layoutstats_done()
2032 if (!pnfs_is_valid_lseg(cdata->lseg)) { in ff_layout_commit_prepare_common()
2033 rpc_exit(task, -EAGAIN); in ff_layout_commit_prepare_common()
2034 return -EAGAIN; in ff_layout_commit_prepare_common()
2041 static void ff_layout_commit_prepare_v3(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v3() argument
2043 if (ff_layout_commit_prepare_common(task, data)) in ff_layout_commit_prepare_v3()
2049 static void ff_layout_commit_prepare_v4(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v4() argument
2051 struct nfs_commit_data *wdata = data; in ff_layout_commit_prepare_v4()
2053 if (nfs4_setup_sequence(wdata->ds_clp, in ff_layout_commit_prepare_v4()
2054 &wdata->args.seq_args, in ff_layout_commit_prepare_v4()
2055 &wdata->res.seq_res, in ff_layout_commit_prepare_v4()
2058 ff_layout_commit_prepare_common(task, data); in ff_layout_commit_prepare_v4()
2061 static void ff_layout_commit_done(struct rpc_task *task, void *data) in ff_layout_commit_done() argument
2063 pnfs_generic_write_commit_done(task, data); in ff_layout_commit_done()
2066 static void ff_layout_commit_count_stats(struct rpc_task *task, void *data) in ff_layout_commit_count_stats() argument
2068 struct nfs_commit_data *cdata = data; in ff_layout_commit_count_stats()
2072 &NFS_CLIENT(cdata->inode)->cl_metrics[NFSPROC4_CLNT_COMMIT]); in ff_layout_commit_count_stats()
2075 static void ff_layout_commit_release(void *data) in ff_layout_commit_release() argument
2077 struct nfs_commit_data *cdata = data; in ff_layout_commit_release()
2079 ff_layout_commit_record_layoutstats_done(&cdata->task, cdata); in ff_layout_commit_release()
2080 pnfs_generic_commit_release(data); in ff_layout_commit_release()
2128 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_read_pagelist()
2132 struct nfs4_ff_layout_mirror *mirror; in ff_layout_read_pagelist() local
2134 loff_t offset = hdr->args.offset; in ff_layout_read_pagelist()
2135 u32 idx = hdr->pgio_mirror_idx; in ff_layout_read_pagelist()
2141 dprintk("--> %s ino %lu pgbase %u req %zu@%llu\n", in ff_layout_read_pagelist()
2142 __func__, hdr->inode->i_ino, in ff_layout_read_pagelist()
2143 hdr->args.pgbase, (size_t)hdr->args.count, offset); in ff_layout_read_pagelist()
2145 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_read_pagelist()
2147 FF_LAYOUT_LSEG(lseg)->stripe_unit, in ff_layout_read_pagelist()
2148 mirror->dss_count, in ff_layout_read_pagelist()
2150 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, dss_id, false); in ff_layout_read_pagelist()
2156 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_read_pagelist()
2157 hdr->inode, dss_id); in ff_layout_read_pagelist()
2161 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred, dss_id); in ff_layout_read_pagelist()
2165 vers = nfs4_ff_layout_ds_version(mirror, dss_id); in ff_layout_read_pagelist()
2168 ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), vers); in ff_layout_read_pagelist()
2170 hdr->pgio_done_cb = ff_layout_read_done_cb; in ff_layout_read_pagelist()
2171 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_read_pagelist()
2172 hdr->ds_clp = ds->ds_clp; in ff_layout_read_pagelist()
2173 fh = nfs4_ff_layout_select_ds_fh(mirror, dss_id); in ff_layout_read_pagelist()
2175 hdr->args.fh = fh; in ff_layout_read_pagelist()
2177 nfs4_ff_layout_select_ds_stateid(mirror, dss_id, &hdr->args.stateid); in ff_layout_read_pagelist()
2181 * then we may need to handle dense-like offsets. in ff_layout_read_pagelist()
2183 hdr->args.offset = offset; in ff_layout_read_pagelist()
2184 hdr->mds_offset = offset; in ff_layout_read_pagelist()
2187 localio = ff_local_open_fh(lseg, idx, dss_id, ds->ds_clp, ds_cred, fh, in ff_layout_read_pagelist()
2190 hdr->task.tk_start = ktime_get(); in ff_layout_read_pagelist()
2191 ff_layout_read_record_layoutstats_start(&hdr->task, hdr); in ff_layout_read_pagelist()
2195 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_read_pagelist()
2205 trace_pnfs_mds_fallback_read_pagelist(hdr->inode, in ff_layout_read_pagelist()
2206 hdr->args.offset, hdr->args.count, in ff_layout_read_pagelist()
2207 IOMODE_READ, NFS_I(hdr->inode)->layout, lseg); in ff_layout_read_pagelist()
2215 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_write_pagelist()
2219 struct nfs4_ff_layout_mirror *mirror; in ff_layout_write_pagelist() local
2221 loff_t offset = hdr->args.offset; in ff_layout_write_pagelist()
2224 u32 idx = hdr->pgio_mirror_idx; in ff_layout_write_pagelist()
2228 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_write_pagelist()
2230 FF_LAYOUT_LSEG(lseg)->stripe_unit, in ff_layout_write_pagelist()
2231 mirror->dss_count, in ff_layout_write_pagelist()
2233 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, dss_id, true); in ff_layout_write_pagelist()
2239 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_write_pagelist()
2240 hdr->inode, dss_id); in ff_layout_write_pagelist()
2244 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred, dss_id); in ff_layout_write_pagelist()
2248 vers = nfs4_ff_layout_ds_version(mirror, dss_id); in ff_layout_write_pagelist()
2251 __func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count, in ff_layout_write_pagelist()
2252 offset, ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), in ff_layout_write_pagelist()
2255 hdr->pgio_done_cb = ff_layout_write_done_cb; in ff_layout_write_pagelist()
2256 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_write_pagelist()
2257 hdr->ds_clp = ds->ds_clp; in ff_layout_write_pagelist()
2258 hdr->ds_commit_idx = calc_commit_idx(lseg, idx, dss_id); in ff_layout_write_pagelist()
2259 fh = nfs4_ff_layout_select_ds_fh(mirror, dss_id); in ff_layout_write_pagelist()
2261 hdr->args.fh = fh; in ff_layout_write_pagelist()
2263 nfs4_ff_layout_select_ds_stateid(mirror, dss_id, &hdr->args.stateid); in ff_layout_write_pagelist()
2267 * then we may need to handle dense-like offsets. in ff_layout_write_pagelist()
2269 hdr->args.offset = offset; in ff_layout_write_pagelist()
2272 localio = ff_local_open_fh(lseg, idx, dss_id, ds->ds_clp, ds_cred, fh, in ff_layout_write_pagelist()
2275 hdr->task.tk_start = ktime_get(); in ff_layout_write_pagelist()
2276 ff_layout_write_record_layoutstats_start(&hdr->task, hdr); in ff_layout_write_pagelist()
2280 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_write_pagelist()
2290 trace_pnfs_mds_fallback_write_pagelist(hdr->inode, in ff_layout_write_pagelist()
2291 hdr->args.offset, hdr->args.count, in ff_layout_write_pagelist()
2292 IOMODE_RW, NFS_I(hdr->inode)->layout, lseg); in ff_layout_write_pagelist()
2304 return &flseg->mirror_array[i]->dss[dss_id].fh_versions[0]; in select_ds_fh_from_commit()
2307 static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how) in ff_layout_initiate_commit() argument
2309 struct pnfs_layout_segment *lseg = data->lseg; in ff_layout_initiate_commit()
2313 struct nfs4_ff_layout_mirror *mirror; in ff_layout_initiate_commit() local
2320 test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags))) in ff_layout_initiate_commit()
2323 idx = calc_mirror_idx_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
2324 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_initiate_commit()
2325 dss_id = calc_dss_id_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
2326 ds = nfs4_ff_layout_prepare_ds(lseg, mirror, dss_id, true); in ff_layout_initiate_commit()
2330 ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp, in ff_layout_initiate_commit()
2331 data->inode, dss_id); in ff_layout_initiate_commit()
2335 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, data->cred, dss_id); in ff_layout_initiate_commit()
2339 vers = nfs4_ff_layout_ds_version(mirror, dss_id); in ff_layout_initiate_commit()
2342 data->inode->i_ino, how, refcount_read(&ds->ds_clp->cl_count), in ff_layout_initiate_commit()
2344 data->commit_done_cb = ff_layout_commit_done_cb; in ff_layout_initiate_commit()
2345 data->cred = ds_cred; in ff_layout_initiate_commit()
2346 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_initiate_commit()
2347 data->ds_clp = ds->ds_clp; in ff_layout_initiate_commit()
2350 data->args.fh = fh; in ff_layout_initiate_commit()
2353 localio = ff_local_open_fh(lseg, idx, dss_id, ds->ds_clp, ds_cred, fh, in ff_layout_initiate_commit()
2356 data->task.tk_start = ktime_get(); in ff_layout_initiate_commit()
2357 ff_layout_commit_record_layoutstats_start(&data->task, data); in ff_layout_initiate_commit()
2360 ret = nfs_initiate_commit(ds_clnt, data, ds->ds_clp->rpc_ops, in ff_layout_initiate_commit()
2367 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_initiate_commit()
2368 pnfs_generic_commit_release(data); in ff_layout_initiate_commit()
2369 return -EAGAIN; in ff_layout_initiate_commit()
2384 return hdr->lseg == lseg; in ff_layout_match_rw()
2391 return cdata->lseg == lseg; in ff_layout_match_commit()
2394 static bool ff_layout_match_io(const struct rpc_task *task, const void *data) in ff_layout_match_io() argument
2396 const struct rpc_call_ops *ops = task->tk_ops; in ff_layout_match_io()
2402 return ff_layout_match_rw(task, task->tk_calldata, data); in ff_layout_match_io()
2405 return ff_layout_match_commit(task, task->tk_calldata, data); in ff_layout_match_io()
2412 struct nfs4_ff_layout_mirror *mirror; in ff_layout_cancel_io() local
2419 for (idx = 0; idx < flseg->mirror_array_cnt; idx++) { in ff_layout_cancel_io()
2420 mirror = flseg->mirror_array[idx]; in ff_layout_cancel_io()
2421 for (dss_id = 0; dss_id < mirror->dss_count; dss_id++) { in ff_layout_cancel_io()
2422 mirror_ds = mirror->dss[dss_id].mirror_ds; in ff_layout_cancel_io()
2425 ds = mirror->dss[dss_id].mirror_ds->ds; in ff_layout_cancel_io()
2428 ds_clp = ds->ds_clp; in ff_layout_cancel_io()
2431 clnt = ds_clp->cl_rpcclient; in ff_layout_cancel_io()
2434 if (!rpc_cancel_tasks(clnt, -EAGAIN, in ff_layout_cancel_io()
2445 struct pnfs_layout_hdr *layout = NFS_I(inode)->layout; in ff_layout_get_ds_info()
2450 return &FF_LAYOUT_FROM_HDR(layout)->commit_info; in ff_layout_get_ds_info()
2458 struct inode *inode = lseg->pls_layout->plh_inode; in ff_layout_setup_ds_info()
2460 u32 size = flseg->mirror_array_cnt * flseg->mirror_array[0]->dss_count; in ff_layout_setup_ds_info()
2465 spin_lock(&inode->i_lock); in ff_layout_setup_ds_info()
2467 spin_unlock(&inode->i_lock); in ff_layout_setup_ds_info()
2477 spin_lock(&inode->i_lock); in ff_layout_release_ds_info()
2479 spin_unlock(&inode->i_lock); in ff_layout_release_ds_info()
2497 return -E2BIG; in ff_layout_encode_ioerr()
2499 *start = cpu_to_be32(ff_args->num_errors); in ff_layout_encode_ioerr()
2501 return ff_layout_encode_ds_ioerr(xdr, &ff_args->errors); in ff_layout_encode_ioerr()
2512 p = xdr_encode_hyper(p, devinfo->offset); in ff_layout_encode_ff_iostat_head()
2513 p = xdr_encode_hyper(p, devinfo->length); in ff_layout_encode_ff_iostat_head()
2514 encode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); in ff_layout_encode_ff_iostat_head()
2516 p = xdr_encode_hyper(p, devinfo->read_count); in ff_layout_encode_ff_iostat_head()
2517 p = xdr_encode_hyper(p, devinfo->read_bytes); in ff_layout_encode_ff_iostat_head()
2518 p = xdr_encode_hyper(p, devinfo->write_count); in ff_layout_encode_ff_iostat_head()
2519 p = xdr_encode_hyper(p, devinfo->write_bytes); in ff_layout_encode_ff_iostat_head()
2520 encode_opaque_fixed(xdr, devinfo->dev_id.data, NFS4_DEVICEID4_SIZE); in ff_layout_encode_ff_iostat_head()
2530 devinfo->ld_private.data); in ff_layout_encode_ff_iostat()
2542 *p = cpu_to_be32(ff_args->num_dev); in ff_layout_encode_iostats_array()
2543 for (i = 0; i < ff_args->num_dev; i++) in ff_layout_encode_iostats_array()
2545 &args->layout->plh_stateid, in ff_layout_encode_iostats_array()
2546 &ff_args->devinfo[i]); in ff_layout_encode_iostats_array()
2558 if (!devinfo[i].ld_private.ops->free) in ff_layout_free_iostats_array()
2560 devinfo[i].ld_private.ops->free(&devinfo[i].ld_private); in ff_layout_free_iostats_array()
2573 return &dsaddr->id_node; in ff_layout_alloc_deviceid_node()
2582 struct nfs4_flexfile_layoutreturn_args *ff_args = ff_opaque->data; in ff_layout_encode_layoutreturn()
2586 .iov_base = page_address(ff_args->pages[0]), in ff_layout_encode_layoutreturn()
2603 xdr_write_pages(xdr, ff_args->pages, 0, tmp_buf.len); in ff_layout_encode_layoutreturn()
2613 if (!args->data) in ff_layout_free_layoutreturn()
2615 ff_args = args->data; in ff_layout_free_layoutreturn()
2616 args->data = NULL; in ff_layout_free_layoutreturn()
2618 ff_layout_free_ds_ioerr(&ff_args->errors); in ff_layout_free_layoutreturn()
2619 ff_layout_free_iostats_array(ff_args->devinfo, ff_args->num_dev); in ff_layout_free_layoutreturn()
2621 put_page(ff_args->pages[0]); in ff_layout_free_layoutreturn()
2634 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(args->layout); in ff_layout_prepare_layoutreturn()
2639 ff_args->pages[0] = alloc_page(nfs_io_gfp_mask()); in ff_layout_prepare_layoutreturn()
2640 if (!ff_args->pages[0]) in ff_layout_prepare_layoutreturn()
2643 INIT_LIST_HEAD(&ff_args->errors); in ff_layout_prepare_layoutreturn()
2644 ff_args->num_errors = ff_layout_fetch_ds_ioerr(args->layout, in ff_layout_prepare_layoutreturn()
2645 &args->range, &ff_args->errors, in ff_layout_prepare_layoutreturn()
2648 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2649 ff_args->num_dev = ff_layout_mirror_prepare_stats( in ff_layout_prepare_layoutreturn()
2650 &ff_layout->generic_hdr, &ff_args->devinfo[0], in ff_layout_prepare_layoutreturn()
2651 ARRAY_SIZE(ff_args->devinfo), NFS4_FF_OP_LAYOUTRETURN); in ff_layout_prepare_layoutreturn()
2652 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2654 args->ld_private->ops = &layoutreturn_ops; in ff_layout_prepare_layoutreturn()
2655 args->ld_private->data = ff_args; in ff_layout_prepare_layoutreturn()
2660 return -ENOMEM; in ff_layout_prepare_layoutreturn()
2667 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_send_layouterror()
2671 if (!nfs_server_capable(lo->plh_inode, NFS_CAP_LAYOUTERROR)) in ff_layout_send_layouterror()
2673 ff_layout_fetch_ds_ioerr(lo, &lseg->pls_range, &head, -1); in ff_layout_send_layouterror()
2684 errors[n].offset = pos->offset; in ff_layout_send_layouterror()
2685 errors[n].length = pos->length; in ff_layout_send_layouterror()
2686 nfs4_stateid_copy(&errors[n].stateid, &pos->stateid); in ff_layout_send_layouterror()
2687 errors[n].errors[0].dev_id = pos->deviceid; in ff_layout_send_layouterror()
2688 errors[n].errors[0].status = pos->status; in ff_layout_send_layouterror()
2689 errors[n].errors[0].opnum = pos->opnum; in ff_layout_send_layouterror()
2691 if (!list_is_last(&pos->list, &head) && in ff_layout_send_layouterror()
2714 return snprintf(buf, buflen, "%pI4", &sin->sin_addr); in ff_layout_ntop4()
2722 const struct in6_addr *addr = &sin6->sin6_addr; in ff_layout_ntop6_noscopeid()
2748 &addr->s6_addr32[3]); in ff_layout_ntop6_noscopeid()
2760 struct sockaddr *sap = (struct sockaddr *)&da->da_addr; in ff_layout_encode_netaddr()
2767 switch (sap->sa_family) { in ff_layout_encode_netaddr()
2771 port = ntohs(((struct sockaddr_in *)sap)->sin_port); in ff_layout_encode_netaddr()
2776 port = ntohs(((struct sockaddr_in6 *)sap)->sin6_port); in ff_layout_encode_netaddr()
2786 netid_len = strlen(da->da_netid); in ff_layout_encode_netaddr()
2788 xdr_encode_opaque(p, da->da_netid, netid_len); in ff_layout_encode_netaddr()
2814 p = xdr_encode_hyper(p, stat->ops_requested); in ff_layout_encode_io_latency()
2815 p = xdr_encode_hyper(p, stat->bytes_requested); in ff_layout_encode_io_latency()
2816 p = xdr_encode_hyper(p, stat->ops_completed); in ff_layout_encode_io_latency()
2817 p = xdr_encode_hyper(p, stat->bytes_completed); in ff_layout_encode_io_latency()
2818 p = xdr_encode_hyper(p, stat->bytes_not_delivered); in ff_layout_encode_io_latency()
2819 ff_layout_encode_nfstime(xdr, stat->total_busy_time); in ff_layout_encode_io_latency()
2820 ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time); in ff_layout_encode_io_latency()
2829 struct nfs4_pnfs_ds *ds = dss_info->mirror_ds->ds; in ff_layout_encode_ff_layoutupdate()
2830 struct nfs_fh *fh = &dss_info->fh_versions[0]; in ff_layout_encode_ff_layoutupdate()
2833 da = list_first_entry(&ds->ds_addrs, struct nfs4_pnfs_ds_addr, da_node); in ff_layout_encode_ff_layoutupdate()
2835 __func__, ds->ds_remotestr, da->da_remotestr); in ff_layout_encode_ff_layoutupdate()
2839 p = xdr_reserve_space(xdr, 4 + fh->size); in ff_layout_encode_ff_layoutupdate()
2840 xdr_encode_opaque(p, fh->data, fh->size); in ff_layout_encode_ff_layoutupdate()
2842 spin_lock(&dss_info->mirror->lock); in ff_layout_encode_ff_layoutupdate()
2844 &dss_info->read_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2847 &dss_info->write_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2848 spin_unlock(&dss_info->mirror->lock); in ff_layout_encode_ff_layoutupdate()
2852 dss_info->start_time)); in ff_layout_encode_ff_layoutupdate()
2868 ff_layout_encode_ff_layoutupdate(xdr, devinfo, opaque->data); in ff_layout_encode_layoutstats()
2870 *start = cpu_to_be32((xdr->p - start - 1) * 4); in ff_layout_encode_layoutstats()
2876 struct nfs4_ff_layout_ds_stripe *dss_info = opaque->data; in ff_layout_free_layoutstats()
2877 struct nfs4_ff_layout_mirror *mirror = dss_info->mirror; in ff_layout_free_layoutstats() local
2879 ff_layout_put_mirror(mirror); in ff_layout_free_layoutstats()
2893 struct nfs4_ff_layout_mirror *mirror; in ff_layout_mirror_prepare_stats() local
2898 list_for_each_entry(mirror, &ff_layout->mirrors, mirrors) { in ff_layout_mirror_prepare_stats()
2899 for (dss_id = 0; dss_id < mirror->dss_count; ++dss_id) { in ff_layout_mirror_prepare_stats()
2900 dss_info = &mirror->dss[dss_id]; in ff_layout_mirror_prepare_stats()
2903 if (IS_ERR_OR_NULL(dss_info->mirror_ds)) in ff_layout_mirror_prepare_stats()
2906 &mirror->flags) && in ff_layout_mirror_prepare_stats()
2909 /* mirror refcount put in cleanup_layoutstats */ in ff_layout_mirror_prepare_stats()
2910 if (!refcount_inc_not_zero(&mirror->ref)) in ff_layout_mirror_prepare_stats()
2912 dev = &dss_info->mirror_ds->id_node; in ff_layout_mirror_prepare_stats()
2913 memcpy(&devinfo->dev_id, in ff_layout_mirror_prepare_stats()
2914 &dev->deviceid, in ff_layout_mirror_prepare_stats()
2916 devinfo->offset = 0; in ff_layout_mirror_prepare_stats()
2917 devinfo->length = NFS4_MAX_UINT64; in ff_layout_mirror_prepare_stats()
2918 spin_lock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2919 devinfo->read_count = in ff_layout_mirror_prepare_stats()
2920 dss_info->read_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2921 devinfo->read_bytes = in ff_layout_mirror_prepare_stats()
2922 dss_info->read_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2923 devinfo->write_count = in ff_layout_mirror_prepare_stats()
2924 dss_info->write_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2925 devinfo->write_bytes = in ff_layout_mirror_prepare_stats()
2926 dss_info->write_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2927 spin_unlock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2928 devinfo->layout_type = LAYOUT_FLEX_FILES; in ff_layout_mirror_prepare_stats()
2929 devinfo->ld_private.ops = &layoutstat_ops; in ff_layout_mirror_prepare_stats()
2930 devinfo->ld_private.data = &mirror->dss[dss_id]; in ff_layout_mirror_prepare_stats()
2946 args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo), in ff_layout_prepare_layoutstats()
2948 if (!args->devinfo) in ff_layout_prepare_layoutstats()
2949 return -ENOMEM; in ff_layout_prepare_layoutstats()
2951 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2952 lo = NFS_I(args->inode)->layout; in ff_layout_prepare_layoutstats()
2955 args->num_dev = ff_layout_mirror_prepare_stats( in ff_layout_prepare_layoutstats()
2956 &ff_layout->generic_hdr, &args->devinfo[0], dev_count, in ff_layout_prepare_layoutstats()
2959 args->num_dev = 0; in ff_layout_prepare_layoutstats()
2960 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2961 if (!args->num_dev) { in ff_layout_prepare_layoutstats()
2962 kfree(args->devinfo); in ff_layout_prepare_layoutstats()
2963 args->devinfo = NULL; in ff_layout_prepare_layoutstats()
2964 return -ENOENT; in ff_layout_prepare_layoutstats()
2975 server->caps |= NFS_CAP_LAYOUTSTATS | NFS_CAP_REBOOT_LAYOUTRETURN; in ff_layout_set_layoutdriver()
3029 MODULE_ALIAS("nfs-layouttype4-4");