Lines Matching refs:disks
119 if (sh->qd_idx == sh->disks - 1) in raid6_d0()
223 for (i = sh->disks; i--; ) in do_release_stripe()
491 init_stripe_shared_pages(struct stripe_head *sh, struct r5conf *conf, int disks) in init_stripe_shared_pages() argument
500 nr_pages = (disks + cnt - 1) / cnt; in init_stripe_shared_pages()
581 sh->disks = previous ? conf->previous_raid_disks : conf->raid_disks; in init_stripe()
586 for (i = sh->disks; i--; ) { in init_stripe()
642 struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev); in raid5_calc_degraded()
644 rdev = rcu_dereference(conf->disks[i].replacement); in raid5_calc_degraded()
668 struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev); in raid5_calc_degraded()
670 rdev = rcu_dereference(conf->disks[i].replacement); in raid5_calc_degraded()
779 BUG_ON(sh->overwrite_disks > (sh->disks - sh->raid_conf->max_degraded)); in is_full_stripe_write()
780 return sh->overwrite_disks == (sh->disks - sh->raid_conf->max_degraded); in is_full_stripe_write()
1060 int i, disks = sh->disks; in ops_run_io() local
1072 for (i = disks; i--; ) { in ops_run_io()
1101 rrdev = rcu_dereference(conf->disks[i].replacement); in ops_run_io()
1103 rdev = rcu_dereference(conf->disks[i].rdev); in ops_run_io()
1380 for (i = sh->disks; i--; ) { in ops_complete_biofill()
1419 for (i = sh->disks; i--; ) { in ops_run_biofill()
1483 return (void *) (to_addr_page(percpu, i) + sh->disks + 2); in to_addr_conv()
1492 return (unsigned int *) (to_addr_conv(sh, percpu, 0) + sh->disks + 2); in to_addr_offs()
1498 int disks = sh->disks; in ops_run_compute5() local
1516 for (i = disks; i--; ) { in ops_run_compute5()
1552 int disks = sh->disks; in set_syndrome_sources() local
1553 int syndrome_disks = sh->ddf_layout ? disks : (disks - 2); in set_syndrome_sources()
1558 for (i = 0; i < disks; i++) in set_syndrome_sources()
1586 i = raid6_next_disk(i, disks); in set_syndrome_sources()
1595 int disks = sh->disks; in ops_run_compute6_1() local
1639 for (i = disks; i-- ; ) { in ops_run_compute6_1()
1659 int i, count, disks = sh->disks; in ops_run_compute6_2() local
1660 int syndrome_disks = sh->ddf_layout ? disks : disks-2; in ops_run_compute6_2()
1682 for (i = 0; i < disks ; i++) { in ops_run_compute6_2()
1698 i = raid6_next_disk(i, disks); in ops_run_compute6_2()
1732 for (i = disks; i-- ; ) { in ops_run_compute6_2()
1795 int disks = sh->disks; in ops_run_prexor5() local
1809 for (i = disks; i--; ) { in ops_run_prexor5()
1859 int disks = sh->disks; in ops_run_biodrain() local
1866 for (i = disks; i--; ) { in ops_run_biodrain()
1930 int disks = sh->disks; in ops_complete_reconstruct() local
1939 for (i = disks; i--; ) { in ops_complete_reconstruct()
1945 for (i = disks; i--; ) { in ops_complete_reconstruct()
1978 int disks = sh->disks; in ops_run_reconstruct5() local
1994 for (i = 0; i < sh->disks; i++) { in ops_run_reconstruct5()
2000 if (i >= sh->disks) { in ops_run_reconstruct5()
2017 for (i = disks; i--; ) { in ops_run_reconstruct5()
2028 for (i = disks; i--; ) { in ops_run_reconstruct5()
2087 for (i = 0; i < sh->disks; i++) { in ops_run_reconstruct6()
2093 if (i >= sh->disks) { in ops_run_reconstruct6()
2149 int disks = sh->disks; in ops_run_check_p() local
2170 for (i = disks; i--; ) { in ops_run_check_p()
2213 int overlap_clear = 0, i, disks = sh->disks; in raid_run_ops() local
2275 for (i = disks; i--; ) { in raid_run_ops()
2294 int disks, struct r5conf *conf) in alloc_stripe() argument
2310 for (i = 0; i < disks; i++) { in alloc_stripe()
2325 if (init_stripe_shared_pages(sh, conf, disks)) { in alloc_stripe()
2569 ndisks[i] = conf->disks[i]; in resize_stripes()
2583 kfree(conf->disks); in resize_stripes()
2584 conf->disks = ndisks; in resize_stripes()
2667 int disks = sh->disks, i; in raid5_end_read_request() local
2672 for (i=0 ; i<disks; i++) in raid5_end_read_request()
2679 if (i == disks) { in raid5_end_read_request()
2690 rdev = conf->disks[i].replacement; in raid5_end_read_request()
2692 rdev = conf->disks[i].rdev; in raid5_end_read_request()
2798 int disks = sh->disks, i; in raid5_end_write_request() local
2804 for (i = 0 ; i < disks; i++) { in raid5_end_write_request()
2806 rdev = conf->disks[i].rdev; in raid5_end_write_request()
2810 rdev = conf->disks[i].replacement; in raid5_end_write_request()
2818 rdev = conf->disks[i].rdev; in raid5_end_write_request()
2825 if (i == disks) { in raid5_end_write_request()
3117 int raid_disks = sh->disks; in raid5_compute_blocknr()
3294 int i, pd_idx = sh->pd_idx, qd_idx = sh->qd_idx, disks = sh->disks; in schedule_reconstruction() local
3307 for (i = disks; i--; ) { in schedule_reconstruction()
3336 if (s->locked + conf->max_degraded == disks) in schedule_reconstruction()
3346 for (i = disks; i--; ) { in schedule_reconstruction()
3448 for (i = 0; i < sh->disks; i++) { in add_stripe_bio()
3538 int disks = previous ? conf->previous_raid_disks : conf->raid_disks; in stripe_set_idx() local
3541 stripe * (disks - conf->max_degraded) in stripe_set_idx()
3549 struct stripe_head_state *s, int disks) in handle_failed_stripe() argument
3553 for (i = disks; i--; ) { in handle_failed_stripe()
3560 rdev = rcu_dereference(conf->disks[i].rdev); in handle_failed_stripe()
3686 struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev); in handle_failed_sync()
3693 rdev = rcu_dereference(conf->disks[i].replacement); in handle_failed_sync()
3715 rdev = rcu_dereference(sh->raid_conf->disks[disk_idx].replacement); in want_replace()
3727 int disk_idx, int disks) in need_this_block() argument
3834 int disk_idx, int disks) in fetch_block() argument
3839 if (need_this_block(sh, s, disk_idx, disks)) { in fetch_block()
3856 if ((s->uptodate == disks - 1) && in fetch_block()
3879 } else if (s->uptodate == disks-2 && s->failed >= 2) { in fetch_block()
3884 for (other = disks; other--; ) { in fetch_block()
3921 int disks) in handle_stripe_fill() argument
3945 for (i = disks; i--; ) in handle_stripe_fill()
3946 if (fetch_block(sh, s, i, disks)) in handle_stripe_fill()
3961 struct stripe_head *sh, int disks) in handle_stripe_clean_event() argument
3969 for (i = disks; i--; ) in handle_stripe_clean_event()
4078 int disks) in handle_stripe_dirtying() argument
4100 } else for (i = disks; i--; ) { in handle_stripe_dirtying()
4112 rmw += 2*disks; /* cannot read it */ in handle_stripe_dirtying()
4123 rcw += 2*disks; in handle_stripe_dirtying()
4136 for (i = disks; i--; ) { in handle_stripe_dirtying()
4166 for (i = disks; i--; ) { in handle_stripe_dirtying()
4191 for (i = disks; i--; ) { in handle_stripe_dirtying()
4218 if (rcw > disks && rmw > disks && in handle_stripe_dirtying()
4240 struct stripe_head_state *s, int disks) in handle_parity_checks5() argument
4251 BUG_ON(s->uptodate != disks); in handle_parity_checks5()
4271 BUG_ON(s->uptodate != disks); in handle_parity_checks5()
4334 int disks) in handle_parity_checks6() argument
4519 for (i = 0; i < sh->disks; i++) in handle_stripe_expansion()
4584 int disks = sh->disks; in analyse_stripe() local
4599 for (i=disks; i--; ) { in analyse_stripe()
4643 rdev = rcu_dereference(conf->disks[i].replacement); in analyse_stripe()
4654 rdev = rcu_dereference(conf->disks[i].rdev); in analyse_stripe()
4702 conf->disks[i].rdev); in analyse_stripe()
4715 conf->disks[i].rdev); in analyse_stripe()
4724 conf->disks[i].replacement); in analyse_stripe()
4746 conf->disks[i].replacement); in analyse_stripe()
4851 for (i = 0; i < sh->disks; i++) { in break_stripe_batch_list()
4865 for (i = 0; i < head_sh->disks; i++) in break_stripe_batch_list()
4881 int disks = sh->disks; in handle_stripe() local
4973 handle_failed_stripe(conf, sh, &s, disks); in handle_stripe()
4996 for (i = disks; i--; ) { in handle_stripe()
5039 handle_stripe_clean_event(conf, sh, disks); in handle_stripe()
5042 r5c_handle_cached_data_endio(conf, sh, disks); in handle_stripe()
5051 || (s.syncing && (s.uptodate + s.compute < disks)) in handle_stripe()
5054 handle_stripe_fill(sh, &s, disks); in handle_stripe()
5075 handle_stripe_dirtying(conf, sh, &s, disks); in handle_stripe()
5082 disks); in handle_stripe()
5095 disks); in handle_stripe()
5112 handle_parity_checks6(conf, sh, &s, disks); in handle_stripe()
5114 handle_parity_checks5(conf, sh, &s, disks); in handle_stripe()
5193 sh->disks = conf->raid_disks; in handle_stripe()
5223 for (i = disks; i--; ) { in handle_stripe()
5228 rdev = conf->disks[i].rdev; in handle_stripe()
5235 rdev = conf->disks[i].rdev; in handle_stripe()
5241 rdev = conf->disks[i].replacement; in handle_stripe()
5244 rdev = conf->disks[i].rdev; in handle_stripe()
5424 rdev = rcu_dereference(conf->disks[dd_idx].replacement); in raid5_read_one_chunk()
5427 rdev = rcu_dereference(conf->disks[dd_idx].rdev); in raid5_read_one_chunk()
6108 for (j=sh->disks; j--;) { in reshape_request()
6285 struct md_rdev *rdev = READ_ONCE(conf->disks[i].rdev); in raid5_sync_request()
7091 if (conf->disks[i].extra_page) in free_conf()
7092 put_page(conf->disks[i].extra_page); in free_conf()
7093 kfree(conf->disks); in free_conf()
7265 conf->disks = kcalloc(max_disks, sizeof(struct disk_info), in setup_conf()
7268 if (!conf->disks) in setup_conf()
7272 conf->disks[i].extra_page = alloc_page(GFP_KERNEL); in setup_conf()
7273 if (!conf->disks[i].extra_page) in setup_conf()
7319 disk = conf->disks + raid_disk; in setup_conf()
7613 rdev = conf->disks[i].rdev; in raid5_run()
7614 if (!rdev && conf->disks[i].replacement) { in raid5_run()
7616 rdev = conf->disks[i].replacement; in raid5_run()
7617 conf->disks[i].replacement = NULL; in raid5_run()
7619 conf->disks[i].rdev = rdev; in raid5_run()
7623 if (conf->disks[i].replacement && in raid5_run()
7815 struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev); in raid5_status()
7838 tmp = conf->disks + i; in print_raid5_conf()
7855 tmp = conf->disks + i; in raid5_spare_active()
7895 struct disk_info *p = conf->disks + number; in raid5_remove_disk()
8019 conf->disks[rdev->saved_raid_disk].rdev == NULL) in raid5_add_disk()
8023 p = conf->disks + disk; in raid5_add_disk()
8037 p = conf->disks + disk; in raid5_add_disk()
8340 struct md_rdev *rdev = conf->disks[d].rdev; in raid5_finish_reshape()
8343 rdev = conf->disks[d].replacement; in raid5_finish_reshape()