Lines Matching +full:data +full:- +full:mirror
4 * Copyright (c) 2014, Primary Data, Inc. All rights reserved.
40 struct nfs4_ff_layout_mirror *mirror);
49 INIT_LIST_HEAD(&ffl->error_list); in ff_layout_alloc_layout_hdr()
50 INIT_LIST_HEAD(&ffl->mirrors); in ff_layout_alloc_layout_hdr()
51 ffl->last_report_time = ktime_get(); in ff_layout_alloc_layout_hdr()
52 return &ffl->generic_hdr; in ff_layout_alloc_layout_hdr()
62 list_for_each_entry_safe(err, n, &FF_LAYOUT_FROM_HDR(lo)->error_list, in ff_layout_free_layout_hdr()
64 list_del(&err->list); in ff_layout_free_layout_hdr()
76 return -ENOBUFS; in decode_pnfs_stateid()
77 stateid->type = NFS4_PNFS_DS_STATEID_TYPE; in decode_pnfs_stateid()
78 memcpy(stateid->data, p, NFS4_STATEID_SIZE); in decode_pnfs_stateid()
90 return -ENOBUFS; in decode_deviceid()
102 return -ENOBUFS; in decode_nfs_fh()
103 fh->size = be32_to_cpup(p++); in decode_nfs_fh()
104 if (fh->size > sizeof(struct nfs_fh)) { in decode_nfs_fh()
106 fh->size); in decode_nfs_fh()
107 return -EOVERFLOW; in decode_nfs_fh()
109 /* fh.data */ in decode_nfs_fh()
110 p = xdr_inline_decode(xdr, fh->size); in decode_nfs_fh()
112 return -ENOBUFS; in decode_nfs_fh()
113 memcpy(&fh->data, p, fh->size); in decode_nfs_fh()
114 dprintk("%s: fh len %d\n", __func__, fh->size); in decode_nfs_fh()
136 return -ENOBUFS; in decode_name()
139 return -EINVAL; in decode_name()
146 return -ENOBUFS; in decode_name()
149 return -EINVAL; in decode_name()
159 if (m1->fh_versions_cnt != m2->fh_versions_cnt) in ff_mirror_match_fh()
161 for (i = 0; i < m1->fh_versions_cnt; i++) { in ff_mirror_match_fh()
163 for (j = 0; j < m2->fh_versions_cnt; j++) { in ff_mirror_match_fh()
164 if (nfs_compare_fh(&m1->fh_versions[i], in ff_mirror_match_fh()
165 &m2->fh_versions[j]) == 0) { in ff_mirror_match_fh()
178 struct nfs4_ff_layout_mirror *mirror) in ff_layout_add_mirror() argument
182 struct inode *inode = lo->plh_inode; in ff_layout_add_mirror()
184 spin_lock(&inode->i_lock); in ff_layout_add_mirror()
185 list_for_each_entry(pos, &ff_layout->mirrors, mirrors) { in ff_layout_add_mirror()
186 if (memcmp(&mirror->devid, &pos->devid, sizeof(pos->devid)) != 0) in ff_layout_add_mirror()
188 if (!ff_mirror_match_fh(mirror, pos)) in ff_layout_add_mirror()
190 if (refcount_inc_not_zero(&pos->ref)) { in ff_layout_add_mirror()
191 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
195 list_add(&mirror->mirrors, &ff_layout->mirrors); in ff_layout_add_mirror()
196 mirror->layout = lo; in ff_layout_add_mirror()
197 spin_unlock(&inode->i_lock); in ff_layout_add_mirror()
198 return mirror; in ff_layout_add_mirror()
202 ff_layout_remove_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_remove_mirror() argument
205 if (mirror->layout == NULL) in ff_layout_remove_mirror()
207 inode = mirror->layout->plh_inode; in ff_layout_remove_mirror()
208 spin_lock(&inode->i_lock); in ff_layout_remove_mirror()
209 list_del(&mirror->mirrors); in ff_layout_remove_mirror()
210 spin_unlock(&inode->i_lock); in ff_layout_remove_mirror()
211 mirror->layout = NULL; in ff_layout_remove_mirror()
216 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_mirror() local
218 mirror = kzalloc(sizeof(*mirror), gfp_flags); in ff_layout_alloc_mirror()
219 if (mirror != NULL) { in ff_layout_alloc_mirror()
220 spin_lock_init(&mirror->lock); in ff_layout_alloc_mirror()
221 refcount_set(&mirror->ref, 1); in ff_layout_alloc_mirror()
222 INIT_LIST_HEAD(&mirror->mirrors); in ff_layout_alloc_mirror()
224 return mirror; in ff_layout_alloc_mirror()
227 static void ff_layout_free_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_free_mirror() argument
231 ff_layout_remove_mirror(mirror); in ff_layout_free_mirror()
232 kfree(mirror->fh_versions); in ff_layout_free_mirror()
233 cred = rcu_access_pointer(mirror->ro_cred); in ff_layout_free_mirror()
236 cred = rcu_access_pointer(mirror->rw_cred); in ff_layout_free_mirror()
239 nfs4_ff_layout_put_deviceid(mirror->mirror_ds); in ff_layout_free_mirror()
240 kfree(mirror); in ff_layout_free_mirror()
243 static void ff_layout_put_mirror(struct nfs4_ff_layout_mirror *mirror) in ff_layout_put_mirror() argument
245 if (mirror != NULL && refcount_dec_and_test(&mirror->ref)) in ff_layout_put_mirror()
246 ff_layout_free_mirror(mirror); in ff_layout_put_mirror()
253 if (fls->mirror_array) { in ff_layout_free_mirror_array()
254 for (i = 0; i < fls->mirror_array_cnt; i++) { in ff_layout_free_mirror_array()
258 ff_layout_put_mirror(fls->mirror_array[i]); in ff_layout_free_mirror_array()
260 kfree(fls->mirror_array); in ff_layout_free_mirror_array()
261 fls->mirror_array = NULL; in ff_layout_free_mirror_array()
269 dprintk("--> %s\n", __func__); in ff_layout_check_layout()
272 if (lgr->range.offset != 0 || in ff_layout_check_layout()
273 lgr->range.length != NFS4_MAX_UINT64) { in ff_layout_check_layout()
276 ret = -EINVAL; in ff_layout_check_layout()
279 dprintk("--> %s returns %d\n", __func__, ret); in ff_layout_check_layout()
297 if (l1->iomode != l2->iomode) in ff_lseg_range_is_after()
298 return l1->iomode != IOMODE_READ; in ff_lseg_range_is_after()
299 end1 = pnfs_calc_offset_end(l1->offset, l1->length); in ff_lseg_range_is_after()
300 end2 = pnfs_calc_offset_end(l2->offset, l2->length); in ff_lseg_range_is_after()
301 if (end1 < l2->offset) in ff_lseg_range_is_after()
303 if (end2 < l1->offset) in ff_lseg_range_is_after()
305 return l2->offset <= l1->offset; in ff_lseg_range_is_after()
314 if (test_bit(NFS_LSEG_LAYOUTRETURN, &old->pls_flags)) in ff_lseg_merge()
316 if (new->pls_range.iomode != old->pls_range.iomode) in ff_lseg_merge()
318 old_end = pnfs_calc_offset_end(old->pls_range.offset, in ff_lseg_merge()
319 old->pls_range.length); in ff_lseg_merge()
320 if (old_end < new->pls_range.offset) in ff_lseg_merge()
322 new_end = pnfs_calc_offset_end(new->pls_range.offset, in ff_lseg_merge()
323 new->pls_range.length); in ff_lseg_merge()
324 if (new_end < old->pls_range.offset) in ff_lseg_merge()
330 if (new->pls_range.offset < old->pls_range.offset) in ff_lseg_merge()
331 new->pls_range.offset = old->pls_range.offset; in ff_lseg_merge()
332 new->pls_range.length = pnfs_calc_offset_length(new->pls_range.offset, in ff_lseg_merge()
334 if (test_bit(NFS_LSEG_ROC, &old->pls_flags)) in ff_lseg_merge()
335 set_bit(NFS_LSEG_ROC, &new->pls_flags); in ff_lseg_merge()
354 for (i = 0; i < fls->mirror_array_cnt - 1; i++) { in ff_layout_sort_mirrors()
355 for (j = i + 1; j < fls->mirror_array_cnt; j++) in ff_layout_sort_mirrors()
356 if (fls->mirror_array[i]->efficiency < in ff_layout_sort_mirrors()
357 fls->mirror_array[j]->efficiency) in ff_layout_sort_mirrors()
358 swap(fls->mirror_array[i], in ff_layout_sort_mirrors()
359 fls->mirror_array[j]); in ff_layout_sort_mirrors()
378 dprintk("--> %s\n", __func__); in ff_layout_alloc_lseg()
381 return ERR_PTR(-ENOMEM); in ff_layout_alloc_lseg()
383 xdr_init_decode_pages(&stream, &buf, lgr->layoutp->pages, in ff_layout_alloc_lseg()
384 lgr->layoutp->len); in ff_layout_alloc_lseg()
388 rc = -EIO; in ff_layout_alloc_lseg()
402 rc = -ENOMEM; in ff_layout_alloc_lseg()
407 fls->mirror_array_cnt = mirror_array_cnt; in ff_layout_alloc_lseg()
408 fls->stripe_unit = stripe_unit; in ff_layout_alloc_lseg()
409 fls->mirror_array = kcalloc(fls->mirror_array_cnt, in ff_layout_alloc_lseg()
410 sizeof(fls->mirror_array[0]), gfp_flags); in ff_layout_alloc_lseg()
411 if (fls->mirror_array == NULL) in ff_layout_alloc_lseg()
414 for (i = 0; i < fls->mirror_array_cnt; i++) { in ff_layout_alloc_lseg()
415 struct nfs4_ff_layout_mirror *mirror; in ff_layout_alloc_lseg() local
421 rc = -EIO; in ff_layout_alloc_lseg()
431 fls->mirror_array[i] = ff_layout_alloc_mirror(gfp_flags); in ff_layout_alloc_lseg()
432 if (fls->mirror_array[i] == NULL) { in ff_layout_alloc_lseg()
433 rc = -ENOMEM; in ff_layout_alloc_lseg()
437 fls->mirror_array[i]->ds_count = ds_count; in ff_layout_alloc_lseg()
440 rc = decode_deviceid(&stream, &fls->mirror_array[i]->devid); in ff_layout_alloc_lseg()
445 rc = -EIO; in ff_layout_alloc_lseg()
449 fls->mirror_array[i]->efficiency = be32_to_cpup(p); in ff_layout_alloc_lseg()
452 rc = decode_pnfs_stateid(&stream, &fls->mirror_array[i]->stateid); in ff_layout_alloc_lseg()
457 rc = -EIO; in ff_layout_alloc_lseg()
463 fls->mirror_array[i]->fh_versions = in ff_layout_alloc_lseg()
466 if (fls->mirror_array[i]->fh_versions == NULL) { in ff_layout_alloc_lseg()
467 rc = -ENOMEM; in ff_layout_alloc_lseg()
473 &fls->mirror_array[i]->fh_versions[j]); in ff_layout_alloc_lseg()
478 fls->mirror_array[i]->fh_versions_cnt = fh_count; in ff_layout_alloc_lseg()
501 if (lgr->range.iomode == IOMODE_READ) in ff_layout_alloc_lseg()
502 rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred); in ff_layout_alloc_lseg()
504 rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred); in ff_layout_alloc_lseg()
506 mirror = ff_layout_add_mirror(lh, fls->mirror_array[i]); in ff_layout_alloc_lseg()
507 if (mirror != fls->mirror_array[i]) { in ff_layout_alloc_lseg()
509 if (lgr->range.iomode == IOMODE_READ) { in ff_layout_alloc_lseg()
510 cred = xchg(&mirror->ro_cred, cred); in ff_layout_alloc_lseg()
511 rcu_assign_pointer(fls->mirror_array[i]->ro_cred, cred); in ff_layout_alloc_lseg()
513 cred = xchg(&mirror->rw_cred, cred); in ff_layout_alloc_lseg()
514 rcu_assign_pointer(fls->mirror_array[i]->rw_cred, cred); in ff_layout_alloc_lseg()
516 ff_layout_free_mirror(fls->mirror_array[i]); in ff_layout_alloc_lseg()
517 fls->mirror_array[i] = mirror; in ff_layout_alloc_lseg()
521 lgr->range.iomode == IOMODE_READ ? "READ" : "RW", in ff_layout_alloc_lseg()
529 fls->flags = be32_to_cpup(p); in ff_layout_alloc_lseg()
534 for (i=0; i < fls->mirror_array_cnt; i++) in ff_layout_alloc_lseg()
535 fls->mirror_array[i]->report_interval = be32_to_cpup(p); in ff_layout_alloc_lseg()
542 ret = &fls->generic_hdr; in ff_layout_alloc_lseg()
543 dprintk("<-- %s (success)\n", __func__); in ff_layout_alloc_lseg()
550 dprintk("<-- %s (%d)\n", __func__, rc); in ff_layout_alloc_lseg()
558 list_for_each_entry(lseg, &layout->plh_segs, pls_list) in ff_layout_has_rw_segments()
559 if (lseg->pls_range.iomode == IOMODE_RW) in ff_layout_has_rw_segments()
570 dprintk("--> %s\n", __func__); in ff_layout_free_lseg()
572 if (lseg->pls_range.iomode == IOMODE_RW) { in ff_layout_free_lseg()
576 ffl = FF_LAYOUT_FROM_HDR(lseg->pls_layout); in ff_layout_free_lseg()
577 inode = ffl->generic_hdr.plh_inode; in ff_layout_free_lseg()
578 spin_lock(&inode->i_lock); in ff_layout_free_lseg()
579 if (!ff_layout_has_rw_segments(lseg->pls_layout)) { in ff_layout_free_lseg()
580 ffl->commit_info.nbuckets = 0; in ff_layout_free_lseg()
581 kfree(ffl->commit_info.buckets); in ff_layout_free_lseg()
582 ffl->commit_info.buckets = NULL; in ff_layout_free_lseg()
584 spin_unlock(&inode->i_lock); in ff_layout_free_lseg()
600 if (atomic_inc_return(&timer->n_ops) == 1) { in nfs4_ff_start_busy_timer()
601 timer->start_time = now; in nfs4_ff_start_busy_timer()
610 if (atomic_dec_return(&timer->n_ops) < 0) in nfs4_ff_end_busy_timer()
613 start = timer->start_time; in nfs4_ff_end_busy_timer()
614 timer->start_time = now; in nfs4_ff_end_busy_timer()
619 nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layoutstat_start_io() argument
624 struct nfs4_flexfile_layout *ffl = FF_LAYOUT_FROM_HDR(mirror->layout); in nfs4_ff_layoutstat_start_io()
626 nfs4_ff_start_busy_timer(&layoutstat->busy_timer, now); in nfs4_ff_layoutstat_start_io()
627 if (!mirror->start_time) in nfs4_ff_layoutstat_start_io()
628 mirror->start_time = now; in nfs4_ff_layoutstat_start_io()
629 if (mirror->report_interval != 0) in nfs4_ff_layoutstat_start_io()
630 report_interval = (s64)mirror->report_interval * 1000LL; in nfs4_ff_layoutstat_start_io()
633 if (ktime_to_ms(ktime_sub(now, ffl->last_report_time)) >= in nfs4_ff_layoutstat_start_io()
635 ffl->last_report_time = now; in nfs4_ff_layoutstat_start_io()
646 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_requested()
648 iostat->ops_requested++; in nfs4_ff_layout_stat_io_update_requested()
649 iostat->bytes_requested += requested; in nfs4_ff_layout_stat_io_update_requested()
659 struct nfs4_ff_io_stat *iostat = &layoutstat->io_stat; in nfs4_ff_layout_stat_io_update_completed()
663 iostat->ops_completed++; in nfs4_ff_layout_stat_io_update_completed()
664 iostat->bytes_completed += completed; in nfs4_ff_layout_stat_io_update_completed()
665 iostat->bytes_not_delivered += requested - completed; in nfs4_ff_layout_stat_io_update_completed()
667 timer = nfs4_ff_end_busy_timer(&layoutstat->busy_timer, time_completed); in nfs4_ff_layout_stat_io_update_completed()
668 iostat->total_busy_time = in nfs4_ff_layout_stat_io_update_completed()
669 ktime_add(iostat->total_busy_time, timer); in nfs4_ff_layout_stat_io_update_completed()
670 iostat->aggregate_completion_time = in nfs4_ff_layout_stat_io_update_completed()
671 ktime_add(iostat->aggregate_completion_time, in nfs4_ff_layout_stat_io_update_completed()
677 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_read() argument
682 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
683 report = nfs4_ff_layoutstat_start_io(mirror, &mirror->read_stat, now); in nfs4_ff_layout_stat_io_start_read()
684 nfs4_ff_layout_stat_io_update_requested(&mirror->read_stat, requested); in nfs4_ff_layout_stat_io_start_read()
685 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_read()
686 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_read()
694 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_read() argument
698 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
699 nfs4_ff_layout_stat_io_update_completed(&mirror->read_stat, in nfs4_ff_layout_stat_io_end_read()
701 ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_read()
702 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_read()
703 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_read()
708 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_start_write() argument
713 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
714 report = nfs4_ff_layoutstat_start_io(mirror , &mirror->write_stat, now); in nfs4_ff_layout_stat_io_start_write()
715 nfs4_ff_layout_stat_io_update_requested(&mirror->write_stat, requested); in nfs4_ff_layout_stat_io_start_write()
716 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_start_write()
717 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_start_write()
725 struct nfs4_ff_layout_mirror *mirror, in nfs4_ff_layout_stat_io_end_write() argument
733 spin_lock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
734 nfs4_ff_layout_stat_io_update_completed(&mirror->write_stat, in nfs4_ff_layout_stat_io_end_write()
735 requested, completed, ktime_get(), task->tk_start); in nfs4_ff_layout_stat_io_end_write()
736 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags); in nfs4_ff_layout_stat_io_end_write()
737 spin_unlock(&mirror->lock); in nfs4_ff_layout_stat_io_end_write()
749 if (cinfo->ds->nbuckets != 0) { in ff_layout_alloc_commit_info()
763 return -ENOMEM; in ff_layout_alloc_commit_info()
767 spin_lock(&cinfo->inode->i_lock); in ff_layout_alloc_commit_info()
768 if (cinfo->ds->nbuckets != 0) in ff_layout_alloc_commit_info()
771 cinfo->ds->buckets = buckets; in ff_layout_alloc_commit_info()
772 cinfo->ds->nbuckets = size; in ff_layout_alloc_commit_info()
781 spin_unlock(&cinfo->inode->i_lock); in ff_layout_alloc_commit_info()
797 for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) { in ff_layout_choose_best_ds_for_read()
798 if (idx+1 == fls->mirror_array_cnt) in ff_layout_choose_best_ds_for_read()
815 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_get_read()
816 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_get_read()
817 req->wb_context, in ff_layout_pg_get_read()
823 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_read()
824 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_read()
825 pgio->pg_lseg = NULL; in ff_layout_pg_get_read()
834 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_read() local
841 if (!pgio->pg_lseg) { in ff_layout_pg_init_read()
843 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
846 if (ff_layout_avoid_read_on_rw(pgio->pg_lseg)) { in ff_layout_pg_init_read()
848 if (!pgio->pg_lseg) in ff_layout_pg_init_read()
852 ds = ff_layout_choose_best_ds_for_read(pgio->pg_lseg, 0, &ds_idx); in ff_layout_pg_init_read()
854 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_read()
856 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_init_read()
857 pgio->pg_lseg = NULL; in ff_layout_pg_init_read()
863 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx); in ff_layout_pg_init_read()
865 pgio->pg_mirror_idx = ds_idx; in ff_layout_pg_init_read()
867 /* read always uses only one mirror - idx 0 for pgio layer */ 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()
873 if (pgio->pg_error < 0) in ff_layout_pg_init_read()
876 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_init_read()
877 pgio->pg_lseg = NULL; in ff_layout_pg_init_read()
885 struct nfs4_ff_layout_mirror *mirror; in ff_layout_pg_init_write() local
894 if (!pgio->pg_lseg) { in ff_layout_pg_init_write()
895 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_init_write()
896 req->wb_context, in ff_layout_pg_init_write()
902 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_init_write()
903 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_init_write()
904 pgio->pg_lseg = NULL; in ff_layout_pg_init_write()
909 if (pgio->pg_lseg == NULL) in ff_layout_pg_init_write()
912 nfs_init_cinfo(&cinfo, pgio->pg_inode, pgio->pg_dreq); in ff_layout_pg_init_write()
913 status = ff_layout_alloc_commit_info(pgio->pg_lseg, &cinfo, GFP_NOFS); in ff_layout_pg_init_write()
918 if (pgio->pg_mirror_count != FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg)) in ff_layout_pg_init_write()
921 for (i = 0; i < pgio->pg_mirror_count; i++) { in ff_layout_pg_init_write()
922 ds = nfs4_ff_layout_prepare_ds(pgio->pg_lseg, i, true); in ff_layout_pg_init_write()
924 if (!ff_layout_no_fallback_to_mds(pgio->pg_lseg)) in ff_layout_pg_init_write()
926 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_init_write()
927 pgio->pg_lseg = NULL; in ff_layout_pg_init_write()
932 pgm = &pgio->pg_mirrors[i]; in ff_layout_pg_init_write()
933 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i); in ff_layout_pg_init_write()
934 pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].wsize; in ff_layout_pg_init_write()
940 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
943 pnfs_put_lseg(pgio->pg_lseg); in ff_layout_pg_init_write()
944 pgio->pg_lseg = NULL; in ff_layout_pg_init_write()
946 pgio->pg_error = -EAGAIN; in ff_layout_pg_init_write()
953 if (!pgio->pg_lseg) { in ff_layout_pg_get_mirror_count_write()
954 pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, in ff_layout_pg_get_mirror_count_write()
955 req->wb_context, in ff_layout_pg_get_mirror_count_write()
961 if (IS_ERR(pgio->pg_lseg)) { in ff_layout_pg_get_mirror_count_write()
962 pgio->pg_error = PTR_ERR(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
963 pgio->pg_lseg = NULL; in ff_layout_pg_get_mirror_count_write()
967 if (pgio->pg_lseg) in ff_layout_pg_get_mirror_count_write()
968 return FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg); in ff_layout_pg_get_mirror_count_write()
993 struct rpc_task *task = &hdr->task; in ff_layout_reset_write()
995 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_write()
1000 hdr->task.tk_pid, in ff_layout_reset_write()
1001 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1002 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1003 hdr->args.count, in ff_layout_reset_write()
1004 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1006 hdr->completion_ops->reschedule_io(hdr); in ff_layout_reset_write()
1010 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_write()
1013 hdr->task.tk_pid, in ff_layout_reset_write()
1014 hdr->inode->i_sb->s_id, in ff_layout_reset_write()
1015 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_write()
1016 hdr->args.count, in ff_layout_reset_write()
1017 (unsigned long long)hdr->args.offset); in ff_layout_reset_write()
1019 task->tk_status = pnfs_write_done_resend_to_mds(hdr); in ff_layout_reset_write()
1025 struct rpc_task *task = &hdr->task; in ff_layout_reset_read()
1027 pnfs_layoutcommit_inode(hdr->inode, false); in ff_layout_reset_read()
1029 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { in ff_layout_reset_read()
1032 hdr->task.tk_pid, in ff_layout_reset_read()
1033 hdr->inode->i_sb->s_id, in ff_layout_reset_read()
1034 (unsigned long long)NFS_FILEID(hdr->inode), in ff_layout_reset_read()
1035 hdr->args.count, in ff_layout_reset_read()
1036 (unsigned long long)hdr->args.offset); in ff_layout_reset_read()
1038 task->tk_status = pnfs_read_done_resend_to_mds(hdr); in ff_layout_reset_read()
1048 struct pnfs_layout_hdr *lo = lseg->pls_layout; in ff_layout_async_handle_error_v4()
1049 struct inode *inode = lo->plh_inode; in ff_layout_async_handle_error_v4()
1051 struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table; in ff_layout_async_handle_error_v4()
1053 switch (task->tk_status) { in ff_layout_async_handle_error_v4()
1054 case -NFS4ERR_BADSESSION: in ff_layout_async_handle_error_v4()
1055 case -NFS4ERR_BADSLOT: in ff_layout_async_handle_error_v4()
1056 case -NFS4ERR_BAD_HIGH_SLOT: in ff_layout_async_handle_error_v4()
1057 case -NFS4ERR_DEADSESSION: in ff_layout_async_handle_error_v4()
1058 case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: in ff_layout_async_handle_error_v4()
1059 case -NFS4ERR_SEQ_FALSE_RETRY: in ff_layout_async_handle_error_v4()
1060 case -NFS4ERR_SEQ_MISORDERED: in ff_layout_async_handle_error_v4()
1062 "flags 0x%x\n", __func__, task->tk_status, in ff_layout_async_handle_error_v4()
1063 clp->cl_exchange_flags); in ff_layout_async_handle_error_v4()
1064 nfs4_schedule_session_recovery(clp->cl_session, task->tk_status); in ff_layout_async_handle_error_v4()
1066 case -NFS4ERR_DELAY: in ff_layout_async_handle_error_v4()
1067 case -NFS4ERR_GRACE: in ff_layout_async_handle_error_v4()
1070 case -NFS4ERR_RETRY_UNCACHED_REP: in ff_layout_async_handle_error_v4()
1073 case -NFS4ERR_PNFS_NO_LAYOUT: in ff_layout_async_handle_error_v4()
1074 case -ESTALE: /* mapped NFS4ERR_STALE */ in ff_layout_async_handle_error_v4()
1075 case -EBADHANDLE: /* mapped NFS4ERR_BADHANDLE */ in ff_layout_async_handle_error_v4()
1076 case -EISDIR: /* mapped NFS4ERR_ISDIR */ in ff_layout_async_handle_error_v4()
1077 case -NFS4ERR_FHEXPIRED: in ff_layout_async_handle_error_v4()
1078 case -NFS4ERR_WRONG_TYPE: in ff_layout_async_handle_error_v4()
1080 task->tk_status); in ff_layout_async_handle_error_v4()
1089 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1092 case -ECONNREFUSED: in ff_layout_async_handle_error_v4()
1093 case -EHOSTDOWN: in ff_layout_async_handle_error_v4()
1094 case -EHOSTUNREACH: in ff_layout_async_handle_error_v4()
1095 case -ENETUNREACH: in ff_layout_async_handle_error_v4()
1096 case -EIO: in ff_layout_async_handle_error_v4()
1097 case -ETIMEDOUT: in ff_layout_async_handle_error_v4()
1098 case -EPIPE: in ff_layout_async_handle_error_v4()
1100 task->tk_status); in ff_layout_async_handle_error_v4()
1101 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v4()
1102 &devid->deviceid); in ff_layout_async_handle_error_v4()
1103 rpc_wake_up(&tbl->slot_tbl_waitq); in ff_layout_async_handle_error_v4()
1107 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v4()
1110 task->tk_status); in ff_layout_async_handle_error_v4()
1111 return -NFS4ERR_RESET_TO_MDS; in ff_layout_async_handle_error_v4()
1113 task->tk_status = 0; in ff_layout_async_handle_error_v4()
1114 return -EAGAIN; in ff_layout_async_handle_error_v4()
1117 /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
1124 switch (task->tk_status) { in ff_layout_async_handle_error_v3()
1126 case -EACCES: in ff_layout_async_handle_error_v3()
1127 case -ESTALE: in ff_layout_async_handle_error_v3()
1128 case -EISDIR: in ff_layout_async_handle_error_v3()
1129 case -EBADHANDLE: in ff_layout_async_handle_error_v3()
1130 case -ELOOP: in ff_layout_async_handle_error_v3()
1131 case -ENOSPC: in ff_layout_async_handle_error_v3()
1133 case -EJUKEBOX: in ff_layout_async_handle_error_v3()
1134 nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY); in ff_layout_async_handle_error_v3()
1138 task->tk_status); in ff_layout_async_handle_error_v3()
1139 nfs4_delete_deviceid(devid->ld, devid->nfs_client, in ff_layout_async_handle_error_v3()
1140 &devid->deviceid); in ff_layout_async_handle_error_v3()
1143 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error_v3()
1145 task->tk_status = 0; in ff_layout_async_handle_error_v3()
1148 return -EAGAIN; in ff_layout_async_handle_error_v3()
1157 int vers = clp->cl_nfs_mod->rpc_vers->number; in ff_layout_async_handle_error()
1159 if (task->tk_status >= 0) in ff_layout_async_handle_error()
1164 return -NFS4ERR_RESET_TO_PNFS; in ff_layout_async_handle_error()
1183 struct nfs4_ff_layout_mirror *mirror; in ff_layout_io_track_ds_error() local
1188 case -ETIMEDOUT: in ff_layout_io_track_ds_error()
1189 case -EPFNOSUPPORT: in ff_layout_io_track_ds_error()
1190 case -EPROTONOSUPPORT: in ff_layout_io_track_ds_error()
1191 case -EOPNOTSUPP: in ff_layout_io_track_ds_error()
1192 case -ECONNREFUSED: in ff_layout_io_track_ds_error()
1193 case -ECONNRESET: in ff_layout_io_track_ds_error()
1194 case -EHOSTDOWN: in ff_layout_io_track_ds_error()
1195 case -EHOSTUNREACH: in ff_layout_io_track_ds_error()
1196 case -ENETUNREACH: in ff_layout_io_track_ds_error()
1197 case -EADDRINUSE: in ff_layout_io_track_ds_error()
1198 case -ENOBUFS: in ff_layout_io_track_ds_error()
1199 case -EPIPE: in ff_layout_io_track_ds_error()
1200 case -EPERM: in ff_layout_io_track_ds_error()
1203 case -EACCES: in ff_layout_io_track_ds_error()
1219 mirror = FF_LAYOUT_COMP(lseg, idx); in ff_layout_io_track_ds_error()
1220 err = ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout), in ff_layout_io_track_ds_error()
1221 mirror, offset, length, status, opnum, in ff_layout_io_track_ds_error()
1223 pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, lseg); in ff_layout_io_track_ds_error()
1233 trace_nfs4_pnfs_read(hdr, task->tk_status); in ff_layout_read_done_cb()
1234 if (task->tk_status < 0) in ff_layout_read_done_cb()
1235 ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx, in ff_layout_read_done_cb()
1236 hdr->args.offset, hdr->args.count, in ff_layout_read_done_cb()
1237 hdr->res.op_status, OP_READ, in ff_layout_read_done_cb()
1238 task->tk_status); in ff_layout_read_done_cb()
1239 err = ff_layout_async_handle_error(task, hdr->args.context->state, in ff_layout_read_done_cb()
1240 hdr->ds_clp, hdr->lseg, in ff_layout_read_done_cb()
1241 hdr->pgio_mirror_idx); in ff_layout_read_done_cb()
1243 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1244 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1246 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_read_done_cb()
1247 if (ff_layout_choose_best_ds_for_read(hdr->lseg, in ff_layout_read_done_cb()
1248 hdr->pgio_mirror_idx + 1, in ff_layout_read_done_cb()
1249 &hdr->pgio_mirror_idx)) in ff_layout_read_done_cb()
1251 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_read_done_cb()
1252 return task->tk_status; in ff_layout_read_done_cb()
1253 case -NFS4ERR_RESET_TO_MDS: in ff_layout_read_done_cb()
1254 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_read_done_cb()
1255 return task->tk_status; in ff_layout_read_done_cb()
1256 case -EAGAIN: in ff_layout_read_done_cb()
1263 return -EAGAIN; in ff_layout_read_done_cb()
1269 return !(FF_LAYOUT_LSEG(lseg)->flags & FF_FLAGS_NO_LAYOUTCOMMIT); in ff_layout_need_layoutcommit()
1278 * to follow http://www.rfc-editor.org/errata_search.php?rfc=5661&eid=2751
1290 dprintk("%s inode %lu pls_end_pos %llu\n", __func__, inode->i_ino, in ff_layout_set_layoutcommit()
1291 (unsigned long long) NFS_I(inode)->layout->plh_lwb); in ff_layout_set_layoutcommit()
1306 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_start()
1308 nfs4_ff_layout_stat_io_start_read(hdr->inode, in ff_layout_read_record_layoutstats_start()
1309 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_read_record_layoutstats_start()
1310 hdr->args.count, in ff_layout_read_record_layoutstats_start()
1311 task->tk_start); in ff_layout_read_record_layoutstats_start()
1317 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_read_record_layoutstats_done()
1320 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_read_record_layoutstats_done()
1321 hdr->args.count, in ff_layout_read_record_layoutstats_done()
1322 hdr->res.count); in ff_layout_read_record_layoutstats_done()
1323 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_read_record_layoutstats_done()
1329 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_read_prepare_common()
1330 rpc_exit(task, -EIO); in ff_layout_read_prepare_common()
1331 return -EIO; in ff_layout_read_prepare_common()
1333 if (ff_layout_device_unavailable(hdr->lseg, hdr->pgio_mirror_idx)) { in ff_layout_read_prepare_common()
1334 rpc_exit(task, -EHOSTDOWN); in ff_layout_read_prepare_common()
1335 return -EAGAIN; in ff_layout_read_prepare_common()
1347 static void ff_layout_read_prepare_v3(struct rpc_task *task, void *data) in ff_layout_read_prepare_v3() argument
1349 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v3()
1357 static void ff_layout_read_prepare_v4(struct rpc_task *task, void *data) in ff_layout_read_prepare_v4() argument
1359 struct nfs_pgio_header *hdr = data; in ff_layout_read_prepare_v4()
1361 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_read_prepare_v4()
1362 &hdr->args.seq_args, in ff_layout_read_prepare_v4()
1363 &hdr->res.seq_res, in ff_layout_read_prepare_v4()
1370 static void ff_layout_read_call_done(struct rpc_task *task, void *data) in ff_layout_read_call_done() argument
1372 struct nfs_pgio_header *hdr = data; in ff_layout_read_call_done()
1374 dprintk("--> %s task->tk_status %d\n", __func__, task->tk_status); in ff_layout_read_call_done()
1376 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_read_call_done()
1377 task->tk_status == 0) { in ff_layout_read_call_done()
1378 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_read_call_done()
1383 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_read_call_done()
1386 static void ff_layout_read_count_stats(struct rpc_task *task, void *data) in ff_layout_read_count_stats() argument
1388 struct nfs_pgio_header *hdr = data; in ff_layout_read_count_stats()
1392 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_READ]); in ff_layout_read_count_stats()
1395 static void ff_layout_read_release(void *data) in ff_layout_read_release() argument
1397 struct nfs_pgio_header *hdr = data; in ff_layout_read_release()
1399 ff_layout_read_record_layoutstats_done(&hdr->task, hdr); in ff_layout_read_release()
1400 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) in ff_layout_read_release()
1402 else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_read_release()
1404 pnfs_generic_rw_release(data); in ff_layout_read_release()
1414 trace_nfs4_pnfs_write(hdr, task->tk_status); in ff_layout_write_done_cb()
1415 if (task->tk_status < 0) in ff_layout_write_done_cb()
1416 ff_layout_io_track_ds_error(hdr->lseg, hdr->pgio_mirror_idx, in ff_layout_write_done_cb()
1417 hdr->args.offset, hdr->args.count, in ff_layout_write_done_cb()
1418 hdr->res.op_status, OP_WRITE, in ff_layout_write_done_cb()
1419 task->tk_status); in ff_layout_write_done_cb()
1420 err = ff_layout_async_handle_error(task, hdr->args.context->state, in ff_layout_write_done_cb()
1421 hdr->ds_clp, hdr->lseg, in ff_layout_write_done_cb()
1422 hdr->pgio_mirror_idx); in ff_layout_write_done_cb()
1424 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1425 clear_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1427 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_write_done_cb()
1428 set_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags); in ff_layout_write_done_cb()
1429 return task->tk_status; in ff_layout_write_done_cb()
1430 case -NFS4ERR_RESET_TO_MDS: in ff_layout_write_done_cb()
1431 set_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags); in ff_layout_write_done_cb()
1432 return task->tk_status; in ff_layout_write_done_cb()
1433 case -EAGAIN: in ff_layout_write_done_cb()
1434 return -EAGAIN; in ff_layout_write_done_cb()
1437 if (hdr->res.verf->committed == NFS_FILE_SYNC || in ff_layout_write_done_cb()
1438 hdr->res.verf->committed == NFS_DATA_SYNC) in ff_layout_write_done_cb()
1439 end_offs = hdr->mds_offset + (loff_t)hdr->res.count; in ff_layout_write_done_cb()
1442 ff_layout_set_layoutcommit(hdr->inode, hdr->lseg, end_offs); in ff_layout_write_done_cb()
1445 hdr->fattr.valid = 0; in ff_layout_write_done_cb()
1446 if (task->tk_status >= 0) in ff_layout_write_done_cb()
1453 struct nfs_commit_data *data) in ff_layout_commit_done_cb() argument
1457 trace_nfs4_pnfs_commit_ds(data, task->tk_status); in ff_layout_commit_done_cb()
1458 if (task->tk_status < 0) in ff_layout_commit_done_cb()
1459 ff_layout_io_track_ds_error(data->lseg, data->ds_commit_index, in ff_layout_commit_done_cb()
1460 data->args.offset, data->args.count, in ff_layout_commit_done_cb()
1461 data->res.op_status, OP_COMMIT, in ff_layout_commit_done_cb()
1462 task->tk_status); in ff_layout_commit_done_cb()
1463 err = ff_layout_async_handle_error(task, NULL, data->ds_clp, in ff_layout_commit_done_cb()
1464 data->lseg, data->ds_commit_index); in ff_layout_commit_done_cb()
1467 case -NFS4ERR_RESET_TO_PNFS: in ff_layout_commit_done_cb()
1468 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1469 return -EAGAIN; in ff_layout_commit_done_cb()
1470 case -NFS4ERR_RESET_TO_MDS: in ff_layout_commit_done_cb()
1471 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_commit_done_cb()
1472 return -EAGAIN; in ff_layout_commit_done_cb()
1473 case -EAGAIN: in ff_layout_commit_done_cb()
1475 return -EAGAIN; in ff_layout_commit_done_cb()
1478 ff_layout_set_layoutcommit(data->inode, data->lseg, data->lwb); in ff_layout_commit_done_cb()
1486 if (test_and_set_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_start()
1488 nfs4_ff_layout_stat_io_start_write(hdr->inode, in ff_layout_write_record_layoutstats_start()
1489 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_write_record_layoutstats_start()
1490 hdr->args.count, in ff_layout_write_record_layoutstats_start()
1491 task->tk_start); in ff_layout_write_record_layoutstats_start()
1497 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags)) in ff_layout_write_record_layoutstats_done()
1500 FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx), in ff_layout_write_record_layoutstats_done()
1501 hdr->args.count, hdr->res.count, in ff_layout_write_record_layoutstats_done()
1502 hdr->res.verf->committed); in ff_layout_write_record_layoutstats_done()
1503 set_bit(NFS_LSEG_LAYOUTRETURN, &hdr->lseg->pls_flags); in ff_layout_write_record_layoutstats_done()
1509 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags))) { in ff_layout_write_prepare_common()
1510 rpc_exit(task, -EIO); in ff_layout_write_prepare_common()
1511 return -EIO; in ff_layout_write_prepare_common()
1514 if (ff_layout_device_unavailable(hdr->lseg, hdr->pgio_mirror_idx)) { in ff_layout_write_prepare_common()
1515 rpc_exit(task, -EHOSTDOWN); in ff_layout_write_prepare_common()
1516 return -EAGAIN; in ff_layout_write_prepare_common()
1523 static void ff_layout_write_prepare_v3(struct rpc_task *task, void *data) in ff_layout_write_prepare_v3() argument
1525 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v3()
1533 static void ff_layout_write_prepare_v4(struct rpc_task *task, void *data) in ff_layout_write_prepare_v4() argument
1535 struct nfs_pgio_header *hdr = data; in ff_layout_write_prepare_v4()
1537 if (nfs4_setup_sequence(hdr->ds_clp, in ff_layout_write_prepare_v4()
1538 &hdr->args.seq_args, in ff_layout_write_prepare_v4()
1539 &hdr->res.seq_res, in ff_layout_write_prepare_v4()
1546 static void ff_layout_write_call_done(struct rpc_task *task, void *data) in ff_layout_write_call_done() argument
1548 struct nfs_pgio_header *hdr = data; in ff_layout_write_call_done()
1550 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) && in ff_layout_write_call_done()
1551 task->tk_status == 0) { in ff_layout_write_call_done()
1552 nfs4_sequence_done(task, &hdr->res.seq_res); in ff_layout_write_call_done()
1557 hdr->mds_ops->rpc_call_done(task, hdr); in ff_layout_write_call_done()
1560 static void ff_layout_write_count_stats(struct rpc_task *task, void *data) in ff_layout_write_count_stats() argument
1562 struct nfs_pgio_header *hdr = data; in ff_layout_write_count_stats()
1566 &NFS_CLIENT(hdr->inode)->cl_metrics[NFSPROC4_CLNT_WRITE]); in ff_layout_write_count_stats()
1569 static void ff_layout_write_release(void *data) in ff_layout_write_release() argument
1571 struct nfs_pgio_header *hdr = data; in ff_layout_write_release()
1573 ff_layout_write_record_layoutstats_done(&hdr->task, hdr); in ff_layout_write_release()
1574 if (test_bit(NFS_IOHDR_RESEND_PNFS, &hdr->flags)) in ff_layout_write_release()
1576 else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags)) in ff_layout_write_release()
1578 pnfs_generic_rw_release(data); in ff_layout_write_release()
1584 if (test_and_set_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_start()
1586 nfs4_ff_layout_stat_io_start_write(cdata->inode, in ff_layout_commit_record_layoutstats_start()
1587 FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index), in ff_layout_commit_record_layoutstats_start()
1588 0, task->tk_start); in ff_layout_commit_record_layoutstats_start()
1597 if (!test_and_clear_bit(NFS_IOHDR_STAT, &cdata->flags)) in ff_layout_commit_record_layoutstats_done()
1600 if (task->tk_status == 0) { in ff_layout_commit_record_layoutstats_done()
1601 list_for_each_entry(req, &cdata->pages, wb_list) in ff_layout_commit_record_layoutstats_done()
1602 count += req->wb_bytes; in ff_layout_commit_record_layoutstats_done()
1605 FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index), in ff_layout_commit_record_layoutstats_done()
1607 set_bit(NFS_LSEG_LAYOUTRETURN, &cdata->lseg->pls_flags); in ff_layout_commit_record_layoutstats_done()
1616 static void ff_layout_commit_prepare_v3(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v3() argument
1618 ff_layout_commit_prepare_common(task, data); in ff_layout_commit_prepare_v3()
1622 static void ff_layout_commit_prepare_v4(struct rpc_task *task, void *data) in ff_layout_commit_prepare_v4() argument
1624 struct nfs_commit_data *wdata = data; in ff_layout_commit_prepare_v4()
1626 if (nfs4_setup_sequence(wdata->ds_clp, in ff_layout_commit_prepare_v4()
1627 &wdata->args.seq_args, in ff_layout_commit_prepare_v4()
1628 &wdata->res.seq_res, in ff_layout_commit_prepare_v4()
1631 ff_layout_commit_prepare_common(task, data); in ff_layout_commit_prepare_v4()
1634 static void ff_layout_commit_done(struct rpc_task *task, void *data) in ff_layout_commit_done() argument
1636 pnfs_generic_write_commit_done(task, data); in ff_layout_commit_done()
1639 static void ff_layout_commit_count_stats(struct rpc_task *task, void *data) in ff_layout_commit_count_stats() argument
1641 struct nfs_commit_data *cdata = data; in ff_layout_commit_count_stats()
1645 &NFS_CLIENT(cdata->inode)->cl_metrics[NFSPROC4_CLNT_COMMIT]); in ff_layout_commit_count_stats()
1648 static void ff_layout_commit_release(void *data) in ff_layout_commit_release() argument
1650 struct nfs_commit_data *cdata = data; in ff_layout_commit_release()
1652 ff_layout_commit_record_layoutstats_done(&cdata->task, cdata); in ff_layout_commit_release()
1653 pnfs_generic_commit_release(data); in ff_layout_commit_release()
1701 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_read_pagelist()
1705 loff_t offset = hdr->args.offset; in ff_layout_read_pagelist()
1706 u32 idx = hdr->pgio_mirror_idx; in ff_layout_read_pagelist()
1710 dprintk("--> %s ino %lu pgbase %u req %zu@%llu\n", in ff_layout_read_pagelist()
1711 __func__, hdr->inode->i_ino, in ff_layout_read_pagelist()
1712 hdr->args.pgbase, (size_t)hdr->args.count, offset); in ff_layout_read_pagelist()
1718 ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp, in ff_layout_read_pagelist()
1719 hdr->inode); in ff_layout_read_pagelist()
1723 ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred); in ff_layout_read_pagelist()
1730 ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), vers); in ff_layout_read_pagelist()
1732 hdr->pgio_done_cb = ff_layout_read_done_cb; in ff_layout_read_pagelist()
1733 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_read_pagelist()
1734 hdr->ds_clp = ds->ds_clp; in ff_layout_read_pagelist()
1737 hdr->args.fh = fh; in ff_layout_read_pagelist()
1740 !nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid)) in ff_layout_read_pagelist()
1745 * then we may need to handle dense-like offsets. in ff_layout_read_pagelist()
1747 hdr->args.offset = offset; in ff_layout_read_pagelist()
1748 hdr->mds_offset = offset; in ff_layout_read_pagelist()
1751 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_read_pagelist()
1768 struct pnfs_layout_segment *lseg = hdr->lseg; in ff_layout_write_pagelist()
1772 loff_t offset = hdr->args.offset; in ff_layout_write_pagelist()
1775 int idx = hdr->pgio_mirror_idx; in ff_layout_write_pagelist()
1781 ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp, in ff_layout_write_pagelist()
1782 hdr->inode); in ff_layout_write_pagelist()
1786 ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred); in ff_layout_write_pagelist()
1793 __func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count, in ff_layout_write_pagelist()
1794 offset, ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), in ff_layout_write_pagelist()
1797 hdr->pgio_done_cb = ff_layout_write_done_cb; in ff_layout_write_pagelist()
1798 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_write_pagelist()
1799 hdr->ds_clp = ds->ds_clp; in ff_layout_write_pagelist()
1800 hdr->ds_commit_idx = idx; in ff_layout_write_pagelist()
1803 hdr->args.fh = fh; in ff_layout_write_pagelist()
1806 !nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid)) in ff_layout_write_pagelist()
1811 * then we may need to handle dense-like offsets. in ff_layout_write_pagelist()
1813 hdr->args.offset = offset; in ff_layout_write_pagelist()
1816 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops, in ff_layout_write_pagelist()
1842 return &flseg->mirror_array[i]->fh_versions[0]; in select_ds_fh_from_commit()
1845 static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how) in ff_layout_initiate_commit() argument
1847 struct pnfs_layout_segment *lseg = data->lseg; in ff_layout_initiate_commit()
1856 test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags))) in ff_layout_initiate_commit()
1859 idx = calc_ds_index_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
1864 ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp, in ff_layout_initiate_commit()
1865 data->inode); in ff_layout_initiate_commit()
1869 ds_cred = ff_layout_get_ds_cred(lseg, idx, data->cred); in ff_layout_initiate_commit()
1876 data->inode->i_ino, how, refcount_read(&ds->ds_clp->cl_count), in ff_layout_initiate_commit()
1878 data->commit_done_cb = ff_layout_commit_done_cb; in ff_layout_initiate_commit()
1879 data->cred = ds_cred; in ff_layout_initiate_commit()
1880 refcount_inc(&ds->ds_clp->cl_count); in ff_layout_initiate_commit()
1881 data->ds_clp = ds->ds_clp; in ff_layout_initiate_commit()
1882 fh = select_ds_fh_from_commit(lseg, data->ds_commit_index); in ff_layout_initiate_commit()
1884 data->args.fh = fh; in ff_layout_initiate_commit()
1886 ret = nfs_initiate_commit(ds_clnt, data, ds->ds_clp->rpc_ops, in ff_layout_initiate_commit()
1893 pnfs_generic_prepare_to_resend_writes(data); in ff_layout_initiate_commit()
1894 pnfs_generic_commit_release(data); in ff_layout_initiate_commit()
1895 return -EAGAIN; in ff_layout_initiate_commit()
1909 struct pnfs_layout_hdr *layout = NFS_I(inode)->layout; in ff_layout_get_ds_info()
1914 return &FF_LAYOUT_FROM_HDR(layout)->commit_info; in ff_layout_get_ds_info()
1932 return -E2BIG; in ff_layout_encode_ioerr()
1934 *start = cpu_to_be32(ff_args->num_errors); in ff_layout_encode_ioerr()
1936 return ff_layout_encode_ds_ioerr(xdr, &ff_args->errors); in ff_layout_encode_ioerr()
1953 p = xdr_encode_hyper(p, devinfo->offset); in ff_layout_encode_ff_iostat_head()
1954 p = xdr_encode_hyper(p, devinfo->length); in ff_layout_encode_ff_iostat_head()
1955 encode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); in ff_layout_encode_ff_iostat_head()
1957 p = xdr_encode_hyper(p, devinfo->read_count); in ff_layout_encode_ff_iostat_head()
1958 p = xdr_encode_hyper(p, devinfo->read_bytes); in ff_layout_encode_ff_iostat_head()
1959 p = xdr_encode_hyper(p, devinfo->write_count); in ff_layout_encode_ff_iostat_head()
1960 p = xdr_encode_hyper(p, devinfo->write_bytes); in ff_layout_encode_ff_iostat_head()
1961 encode_opaque_fixed(xdr, devinfo->dev_id.data, NFS4_DEVICEID4_SIZE); in ff_layout_encode_ff_iostat_head()
1971 devinfo->ld_private.data); in ff_layout_encode_ff_iostat()
1983 *p = cpu_to_be32(ff_args->num_dev); in ff_layout_encode_iostats_array()
1984 for (i = 0; i < ff_args->num_dev; i++) in ff_layout_encode_iostats_array()
1986 &args->layout->plh_stateid, in ff_layout_encode_iostats_array()
1987 &ff_args->devinfo[i]); in ff_layout_encode_iostats_array()
1999 if (!devinfo[i].ld_private.ops->free) in ff_layout_free_iostats_array()
2001 devinfo[i].ld_private.ops->free(&devinfo[i].ld_private); in ff_layout_free_iostats_array()
2014 return &dsaddr->id_node; in ff_layout_alloc_deviceid_node()
2023 struct nfs4_flexfile_layoutreturn_args *ff_args = ff_opaque->data; in ff_layout_encode_layoutreturn()
2027 .iov_base = page_address(ff_args->pages[0]), in ff_layout_encode_layoutreturn()
2044 xdr_write_pages(xdr, ff_args->pages, 0, tmp_buf.len); in ff_layout_encode_layoutreturn()
2054 if (!args->data) in ff_layout_free_layoutreturn()
2056 ff_args = args->data; in ff_layout_free_layoutreturn()
2057 args->data = NULL; in ff_layout_free_layoutreturn()
2059 ff_layout_free_ds_ioerr(&ff_args->errors); in ff_layout_free_layoutreturn()
2060 ff_layout_free_iostats_array(ff_args->devinfo, ff_args->num_dev); in ff_layout_free_layoutreturn()
2062 put_page(ff_args->pages[0]); in ff_layout_free_layoutreturn()
2075 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(args->layout); in ff_layout_prepare_layoutreturn()
2080 ff_args->pages[0] = alloc_page(GFP_KERNEL); in ff_layout_prepare_layoutreturn()
2081 if (!ff_args->pages[0]) in ff_layout_prepare_layoutreturn()
2084 INIT_LIST_HEAD(&ff_args->errors); in ff_layout_prepare_layoutreturn()
2085 ff_args->num_errors = ff_layout_fetch_ds_ioerr(args->layout, in ff_layout_prepare_layoutreturn()
2086 &args->range, &ff_args->errors, in ff_layout_prepare_layoutreturn()
2089 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2090 ff_args->num_dev = ff_layout_mirror_prepare_stats(&ff_layout->generic_hdr, in ff_layout_prepare_layoutreturn()
2091 &ff_args->devinfo[0], ARRAY_SIZE(ff_args->devinfo)); in ff_layout_prepare_layoutreturn()
2092 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutreturn()
2094 args->ld_private->ops = &layoutreturn_ops; in ff_layout_prepare_layoutreturn()
2095 args->ld_private->data = ff_args; in ff_layout_prepare_layoutreturn()
2100 return -ENOMEM; in ff_layout_prepare_layoutreturn()
2108 return snprintf(buf, buflen, "%pI4", &sin->sin_addr); in ff_layout_ntop4()
2116 const struct in6_addr *addr = &sin6->sin6_addr; in ff_layout_ntop6_noscopeid()
2142 &addr->s6_addr32[3]); in ff_layout_ntop6_noscopeid()
2154 struct sockaddr *sap = (struct sockaddr *)&da->da_addr; in ff_layout_encode_netaddr()
2162 switch (sap->sa_family) { in ff_layout_encode_netaddr()
2166 port = ntohs(((struct sockaddr_in *)sap)->sin_port); in ff_layout_encode_netaddr()
2173 port = ntohs(((struct sockaddr_in6 *)sap)->sin6_port); in ff_layout_encode_netaddr()
2213 p = xdr_encode_hyper(p, stat->ops_requested); in ff_layout_encode_io_latency()
2214 p = xdr_encode_hyper(p, stat->bytes_requested); in ff_layout_encode_io_latency()
2215 p = xdr_encode_hyper(p, stat->ops_completed); in ff_layout_encode_io_latency()
2216 p = xdr_encode_hyper(p, stat->bytes_completed); in ff_layout_encode_io_latency()
2217 p = xdr_encode_hyper(p, stat->bytes_not_delivered); in ff_layout_encode_io_latency()
2218 ff_layout_encode_nfstime(xdr, stat->total_busy_time); in ff_layout_encode_io_latency()
2219 ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time); in ff_layout_encode_io_latency()
2225 struct nfs4_ff_layout_mirror *mirror) in ff_layout_encode_ff_layoutupdate() argument
2228 struct nfs4_pnfs_ds *ds = mirror->mirror_ds->ds; in ff_layout_encode_ff_layoutupdate()
2229 struct nfs_fh *fh = &mirror->fh_versions[0]; in ff_layout_encode_ff_layoutupdate()
2232 da = list_first_entry(&ds->ds_addrs, struct nfs4_pnfs_ds_addr, da_node); in ff_layout_encode_ff_layoutupdate()
2234 __func__, ds->ds_remotestr, da->da_remotestr); in ff_layout_encode_ff_layoutupdate()
2238 p = xdr_reserve_space(xdr, 4 + fh->size); in ff_layout_encode_ff_layoutupdate()
2239 xdr_encode_opaque(p, fh->data, fh->size); in ff_layout_encode_ff_layoutupdate()
2241 spin_lock(&mirror->lock); in ff_layout_encode_ff_layoutupdate()
2242 ff_layout_encode_io_latency(xdr, &mirror->read_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2244 ff_layout_encode_io_latency(xdr, &mirror->write_stat.io_stat); in ff_layout_encode_ff_layoutupdate()
2245 spin_unlock(&mirror->lock); in ff_layout_encode_ff_layoutupdate()
2247 ff_layout_encode_nfstime(xdr, ktime_sub(ktime_get(), mirror->start_time)); in ff_layout_encode_ff_layoutupdate()
2263 ff_layout_encode_ff_layoutupdate(xdr, devinfo, opaque->data); in ff_layout_encode_layoutstats()
2265 *start = cpu_to_be32((xdr->p - start - 1) * 4); in ff_layout_encode_layoutstats()
2271 struct nfs4_ff_layout_mirror *mirror = opaque->data; in ff_layout_free_layoutstats() local
2273 ff_layout_put_mirror(mirror); in ff_layout_free_layoutstats()
2287 struct nfs4_ff_layout_mirror *mirror; in ff_layout_mirror_prepare_stats() local
2291 list_for_each_entry(mirror, &ff_layout->mirrors, mirrors) { in ff_layout_mirror_prepare_stats()
2294 if (IS_ERR_OR_NULL(mirror->mirror_ds)) in ff_layout_mirror_prepare_stats()
2296 if (!test_and_clear_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags)) in ff_layout_mirror_prepare_stats()
2298 /* mirror refcount put in cleanup_layoutstats */ in ff_layout_mirror_prepare_stats()
2299 if (!refcount_inc_not_zero(&mirror->ref)) in ff_layout_mirror_prepare_stats()
2301 dev = &mirror->mirror_ds->id_node; in ff_layout_mirror_prepare_stats()
2302 memcpy(&devinfo->dev_id, &dev->deviceid, NFS4_DEVICEID4_SIZE); in ff_layout_mirror_prepare_stats()
2303 devinfo->offset = 0; in ff_layout_mirror_prepare_stats()
2304 devinfo->length = NFS4_MAX_UINT64; in ff_layout_mirror_prepare_stats()
2305 spin_lock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2306 devinfo->read_count = mirror->read_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2307 devinfo->read_bytes = mirror->read_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2308 devinfo->write_count = mirror->write_stat.io_stat.ops_completed; in ff_layout_mirror_prepare_stats()
2309 devinfo->write_bytes = mirror->write_stat.io_stat.bytes_completed; in ff_layout_mirror_prepare_stats()
2310 spin_unlock(&mirror->lock); in ff_layout_mirror_prepare_stats()
2311 devinfo->layout_type = LAYOUT_FLEX_FILES; in ff_layout_mirror_prepare_stats()
2312 devinfo->ld_private.ops = &layoutstat_ops; in ff_layout_mirror_prepare_stats()
2313 devinfo->ld_private.data = mirror; in ff_layout_mirror_prepare_stats()
2328 args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo), GFP_NOIO); in ff_layout_prepare_layoutstats()
2329 if (!args->devinfo) in ff_layout_prepare_layoutstats()
2330 return -ENOMEM; in ff_layout_prepare_layoutstats()
2332 spin_lock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2333 ff_layout = FF_LAYOUT_FROM_HDR(NFS_I(args->inode)->layout); in ff_layout_prepare_layoutstats()
2334 args->num_dev = ff_layout_mirror_prepare_stats(&ff_layout->generic_hdr, in ff_layout_prepare_layoutstats()
2335 &args->devinfo[0], dev_count); in ff_layout_prepare_layoutstats()
2336 spin_unlock(&args->inode->i_lock); in ff_layout_prepare_layoutstats()
2337 if (!args->num_dev) { in ff_layout_prepare_layoutstats()
2338 kfree(args->devinfo); in ff_layout_prepare_layoutstats()
2339 args->devinfo = NULL; in ff_layout_prepare_layoutstats()
2340 return -ENOENT; in ff_layout_prepare_layoutstats()
2351 server->caps |= NFS_CAP_LAYOUTSTATS; in ff_layout_set_layoutdriver()
2391 return -ENOMEM; in nfs4flexfilelayout_init()
2407 MODULE_ALIAS("nfs-layouttype4-4");