Lines Matching refs:conf
46 static void allow_barrier(struct r1conf *conf, sector_t sector_nr);
47 static void lower_barrier(struct r1conf *conf, sector_t sector_nr);
241 static void put_all_bios(struct r1conf *conf, struct r1bio *r1_bio) in put_all_bios() argument
245 for (i = 0; i < conf->raid_disks * 2; i++) { in put_all_bios()
255 struct r1conf *conf = r1_bio->mddev->private; in free_r1bio() local
257 put_all_bios(conf, r1_bio); in free_r1bio()
258 mempool_free(r1_bio, &conf->r1bio_pool); in free_r1bio()
263 struct r1conf *conf = r1_bio->mddev->private; in put_buf() local
267 for (i = 0; i < conf->raid_disks * 2; i++) { in put_buf()
270 rdev_dec_pending(conf->mirrors[i].rdev, r1_bio->mddev); in put_buf()
273 mempool_free(r1_bio, &conf->r1buf_pool); in put_buf()
275 lower_barrier(conf, sect); in put_buf()
282 struct r1conf *conf = mddev->private; in reschedule_retry() local
286 spin_lock_irqsave(&conf->device_lock, flags); in reschedule_retry()
287 list_add(&r1_bio->retry_list, &conf->retry_list); in reschedule_retry()
288 atomic_inc(&conf->nr_queued[idx]); in reschedule_retry()
289 spin_unlock_irqrestore(&conf->device_lock, flags); in reschedule_retry()
291 wake_up(&conf->wait_barrier); in reschedule_retry()
313 struct r1conf *conf = r1_bio->mddev->private; in raid_end_bio_io() local
331 allow_barrier(conf, sector); in raid_end_bio_io()
339 struct r1conf *conf = r1_bio->mddev->private; in update_head_pos() local
341 conf->mirrors[disk].head_position = in update_head_pos()
351 struct r1conf *conf = r1_bio->mddev->private; in find_bio_disk() local
352 int raid_disks = conf->raid_disks; in find_bio_disk()
368 struct r1conf *conf = r1_bio->mddev->private; in raid1_end_read_request() local
369 struct md_rdev *rdev = conf->mirrors[r1_bio->read_disk].rdev; in raid1_end_read_request()
389 spin_lock_irqsave(&conf->device_lock, flags); in raid1_end_read_request()
390 if (r1_bio->mddev->degraded == conf->raid_disks || in raid1_end_read_request()
391 (r1_bio->mddev->degraded == conf->raid_disks-1 && in raid1_end_read_request()
394 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1_end_read_request()
399 rdev_dec_pending(rdev, conf->mddev); in raid1_end_read_request()
405 mdname(conf->mddev), in raid1_end_read_request()
447 struct r1conf *conf = r1_bio->mddev->private; in raid1_end_write_request() local
450 struct md_rdev *rdev = conf->mirrors[mirror].rdev; in raid1_end_write_request()
464 conf->mddev->recovery); in raid1_end_write_request()
548 rdev_dec_pending(rdev, conf->mddev); in raid1_end_write_request()
593 static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sectors) in read_balance() argument
625 if ((conf->mddev->recovery_cp < this_sector + sectors) || in read_balance()
626 (mddev_is_clustered(conf->mddev) && in read_balance()
627 md_cluster_ops->area_resyncing(conf->mddev, READ, this_sector, in read_balance()
633 for (disk = 0 ; disk < conf->raid_disks * 2 ; disk++) { in read_balance()
640 rdev = rcu_dereference(conf->mirrors[disk].rdev); in read_balance()
707 dist = abs(this_sector - conf->mirrors[disk].head_position); in read_balance()
713 if (conf->mirrors[disk].next_seq_sect == this_sector in read_balance()
716 struct raid1_info *mirror = &conf->mirrors[disk]; in read_balance()
771 rdev = rcu_dereference(conf->mirrors[best_disk].rdev); in read_balance()
777 if (conf->mirrors[best_disk].next_seq_sect != this_sector) in read_balance()
778 conf->mirrors[best_disk].seq_start = this_sector; in read_balance()
780 conf->mirrors[best_disk].next_seq_sect = this_sector + sectors; in read_balance()
788 static void wake_up_barrier(struct r1conf *conf) in wake_up_barrier() argument
790 if (wq_has_sleeper(&conf->wait_barrier)) in wake_up_barrier()
791 wake_up(&conf->wait_barrier); in wake_up_barrier()
794 static void flush_bio_list(struct r1conf *conf, struct bio *bio) in flush_bio_list() argument
797 raid1_prepare_flush_writes(conf->mddev->bitmap); in flush_bio_list()
798 wake_up_barrier(conf); in flush_bio_list()
809 static void flush_pending_writes(struct r1conf *conf) in flush_pending_writes() argument
814 spin_lock_irq(&conf->device_lock); in flush_pending_writes()
816 if (conf->pending_bio_list.head) { in flush_pending_writes()
820 bio = bio_list_get(&conf->pending_bio_list); in flush_pending_writes()
821 spin_unlock_irq(&conf->device_lock); in flush_pending_writes()
834 flush_bio_list(conf, bio); in flush_pending_writes()
837 spin_unlock_irq(&conf->device_lock); in flush_pending_writes()
864 static int raise_barrier(struct r1conf *conf, sector_t sector_nr) in raise_barrier() argument
868 spin_lock_irq(&conf->resync_lock); in raise_barrier()
871 wait_event_lock_irq(conf->wait_barrier, in raise_barrier()
872 !atomic_read(&conf->nr_waiting[idx]), in raise_barrier()
873 conf->resync_lock); in raise_barrier()
876 atomic_inc(&conf->barrier[idx]); in raise_barrier()
894 wait_event_lock_irq(conf->wait_barrier, in raise_barrier()
895 (!conf->array_frozen && in raise_barrier()
896 !atomic_read(&conf->nr_pending[idx]) && in raise_barrier()
897 atomic_read(&conf->barrier[idx]) < RESYNC_DEPTH) || in raise_barrier()
898 test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery), in raise_barrier()
899 conf->resync_lock); in raise_barrier()
901 if (test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery)) { in raise_barrier()
902 atomic_dec(&conf->barrier[idx]); in raise_barrier()
903 spin_unlock_irq(&conf->resync_lock); in raise_barrier()
904 wake_up(&conf->wait_barrier); in raise_barrier()
908 atomic_inc(&conf->nr_sync_pending); in raise_barrier()
909 spin_unlock_irq(&conf->resync_lock); in raise_barrier()
914 static void lower_barrier(struct r1conf *conf, sector_t sector_nr) in lower_barrier() argument
918 BUG_ON(atomic_read(&conf->barrier[idx]) <= 0); in lower_barrier()
920 atomic_dec(&conf->barrier[idx]); in lower_barrier()
921 atomic_dec(&conf->nr_sync_pending); in lower_barrier()
922 wake_up(&conf->wait_barrier); in lower_barrier()
925 static bool _wait_barrier(struct r1conf *conf, int idx, bool nowait) in _wait_barrier() argument
937 atomic_inc(&conf->nr_pending[idx]); in _wait_barrier()
957 if (!READ_ONCE(conf->array_frozen) && in _wait_barrier()
958 !atomic_read(&conf->barrier[idx])) in _wait_barrier()
968 spin_lock_irq(&conf->resync_lock); in _wait_barrier()
969 atomic_inc(&conf->nr_waiting[idx]); in _wait_barrier()
970 atomic_dec(&conf->nr_pending[idx]); in _wait_barrier()
975 wake_up_barrier(conf); in _wait_barrier()
982 wait_event_lock_irq(conf->wait_barrier, in _wait_barrier()
983 !conf->array_frozen && in _wait_barrier()
984 !atomic_read(&conf->barrier[idx]), in _wait_barrier()
985 conf->resync_lock); in _wait_barrier()
986 atomic_inc(&conf->nr_pending[idx]); in _wait_barrier()
989 atomic_dec(&conf->nr_waiting[idx]); in _wait_barrier()
990 spin_unlock_irq(&conf->resync_lock); in _wait_barrier()
994 static bool wait_read_barrier(struct r1conf *conf, sector_t sector_nr, bool nowait) in wait_read_barrier() argument
1006 atomic_inc(&conf->nr_pending[idx]); in wait_read_barrier()
1008 if (!READ_ONCE(conf->array_frozen)) in wait_read_barrier()
1011 spin_lock_irq(&conf->resync_lock); in wait_read_barrier()
1012 atomic_inc(&conf->nr_waiting[idx]); in wait_read_barrier()
1013 atomic_dec(&conf->nr_pending[idx]); in wait_read_barrier()
1018 wake_up_barrier(conf); in wait_read_barrier()
1026 wait_event_lock_irq(conf->wait_barrier, in wait_read_barrier()
1027 !conf->array_frozen, in wait_read_barrier()
1028 conf->resync_lock); in wait_read_barrier()
1029 atomic_inc(&conf->nr_pending[idx]); in wait_read_barrier()
1032 atomic_dec(&conf->nr_waiting[idx]); in wait_read_barrier()
1033 spin_unlock_irq(&conf->resync_lock); in wait_read_barrier()
1037 static bool wait_barrier(struct r1conf *conf, sector_t sector_nr, bool nowait) in wait_barrier() argument
1041 return _wait_barrier(conf, idx, nowait); in wait_barrier()
1044 static void _allow_barrier(struct r1conf *conf, int idx) in _allow_barrier() argument
1046 atomic_dec(&conf->nr_pending[idx]); in _allow_barrier()
1047 wake_up_barrier(conf); in _allow_barrier()
1050 static void allow_barrier(struct r1conf *conf, sector_t sector_nr) in allow_barrier() argument
1054 _allow_barrier(conf, idx); in allow_barrier()
1058 static int get_unqueued_pending(struct r1conf *conf) in get_unqueued_pending() argument
1062 ret = atomic_read(&conf->nr_sync_pending); in get_unqueued_pending()
1064 ret += atomic_read(&conf->nr_pending[idx]) - in get_unqueued_pending()
1065 atomic_read(&conf->nr_queued[idx]); in get_unqueued_pending()
1070 static void freeze_array(struct r1conf *conf, int extra) in freeze_array() argument
1095 spin_lock_irq(&conf->resync_lock); in freeze_array()
1096 conf->array_frozen = 1; in freeze_array()
1097 raid1_log(conf->mddev, "wait freeze"); in freeze_array()
1099 conf->wait_barrier, in freeze_array()
1100 get_unqueued_pending(conf) == extra, in freeze_array()
1101 conf->resync_lock, in freeze_array()
1102 flush_pending_writes(conf)); in freeze_array()
1103 spin_unlock_irq(&conf->resync_lock); in freeze_array()
1105 static void unfreeze_array(struct r1conf *conf) in unfreeze_array() argument
1108 spin_lock_irq(&conf->resync_lock); in unfreeze_array()
1109 conf->array_frozen = 0; in unfreeze_array()
1110 spin_unlock_irq(&conf->resync_lock); in unfreeze_array()
1111 wake_up(&conf->wait_barrier); in unfreeze_array()
1169 struct r1conf *conf = mddev->private; in raid1_unplug() local
1173 spin_lock_irq(&conf->device_lock); in raid1_unplug()
1174 bio_list_merge(&conf->pending_bio_list, &plug->pending); in raid1_unplug()
1175 spin_unlock_irq(&conf->device_lock); in raid1_unplug()
1176 wake_up_barrier(conf); in raid1_unplug()
1184 flush_bio_list(conf, bio); in raid1_unplug()
1200 struct r1conf *conf = mddev->private; in alloc_r1bio() local
1203 r1_bio = mempool_alloc(&conf->r1bio_pool, GFP_NOIO); in alloc_r1bio()
1205 memset(r1_bio->bios, 0, conf->raid_disks * sizeof(r1_bio->bios[0])); in alloc_r1bio()
1213 struct r1conf *conf = mddev->private; in raid1_read_request() local
1235 rdev = rcu_dereference(conf->mirrors[r1_bio->read_disk].rdev); in raid1_read_request()
1247 if (!wait_read_barrier(conf, bio->bi_iter.bi_sector, in raid1_read_request()
1263 rdisk = read_balance(conf, r1_bio, &max_sectors); in raid1_read_request()
1276 mirror = conf->mirrors + rdisk; in raid1_read_request()
1297 gfp, &conf->bio_split); in raid1_read_request()
1334 struct r1conf *conf = mddev->private; in raid1_write_request() local
1354 prepare_to_wait(&conf->wait_barrier, in raid1_write_request()
1362 finish_wait(&conf->wait_barrier, &w); in raid1_write_request()
1370 if (!wait_barrier(conf, bio->bi_iter.bi_sector, in raid1_write_request()
1391 disks = conf->raid_disks * 2; in raid1_write_request()
1396 struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev); in raid1_write_request()
1457 rdev_dec_pending(conf->mirrors[j].rdev, mddev); in raid1_write_request()
1458 mempool_free(r1_bio, &conf->r1bio_pool); in raid1_write_request()
1459 allow_barrier(conf, bio->bi_iter.bi_sector); in raid1_write_request()
1467 wait_barrier(conf, bio->bi_iter.bi_sector, false); in raid1_write_request()
1482 GFP_NOIO, &conf->bio_split); in raid1_write_request()
1499 struct md_rdev *rdev = conf->mirrors[i].rdev; in raid1_write_request()
1543 conf->raid_disks - mddev->degraded > 1) in raid1_write_request()
1555 spin_lock_irqsave(&conf->device_lock, flags); in raid1_write_request()
1556 bio_list_add(&conf->pending_bio_list, mbio); in raid1_write_request()
1557 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1_write_request()
1565 wake_up_barrier(conf); in raid1_write_request()
1598 struct r1conf *conf = mddev->private; in raid1_status() local
1601 seq_printf(seq, " [%d/%d] [", conf->raid_disks, in raid1_status()
1602 conf->raid_disks - mddev->degraded); in raid1_status()
1604 for (i = 0; i < conf->raid_disks; i++) { in raid1_status()
1605 struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev); in raid1_status()
1631 struct r1conf *conf = mddev->private; in raid1_error() local
1634 spin_lock_irqsave(&conf->device_lock, flags); in raid1_error()
1637 (conf->raid_disks - mddev->degraded) == 1) { in raid1_error()
1641 conf->recovery_disabled = mddev->recovery_disabled; in raid1_error()
1642 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1_error()
1650 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1_error()
1660 mdname(mddev), conf->raid_disks - mddev->degraded); in raid1_error()
1663 static void print_conf(struct r1conf *conf) in print_conf() argument
1668 if (!conf) { in print_conf()
1672 pr_debug(" --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded, in print_conf()
1673 conf->raid_disks); in print_conf()
1676 for (i = 0; i < conf->raid_disks; i++) { in print_conf()
1677 struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev); in print_conf()
1687 static void close_sync(struct r1conf *conf) in close_sync() argument
1692 _wait_barrier(conf, idx, false); in close_sync()
1693 _allow_barrier(conf, idx); in close_sync()
1696 mempool_exit(&conf->r1buf_pool); in close_sync()
1702 struct r1conf *conf = mddev->private; in raid1_spare_active() local
1713 spin_lock_irqsave(&conf->device_lock, flags); in raid1_spare_active()
1714 for (i = 0; i < conf->raid_disks; i++) { in raid1_spare_active()
1715 struct md_rdev *rdev = conf->mirrors[i].rdev; in raid1_spare_active()
1716 struct md_rdev *repl = conf->mirrors[conf->raid_disks + i].rdev; in raid1_spare_active()
1745 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1_spare_active()
1747 print_conf(conf); in raid1_spare_active()
1753 struct r1conf *conf = mddev->private; in raid1_add_disk() local
1758 int last = conf->raid_disks - 1; in raid1_add_disk()
1760 if (mddev->recovery_disabled == conf->recovery_disabled) in raid1_add_disk()
1775 rdev->saved_raid_disk < conf->raid_disks && in raid1_add_disk()
1776 conf->mirrors[rdev->saved_raid_disk].rdev == NULL) in raid1_add_disk()
1780 p = conf->mirrors + mirror; in raid1_add_disk()
1793 conf->fullsync = 1; in raid1_add_disk()
1798 p[conf->raid_disks].rdev == NULL && repl_slot < 0) in raid1_add_disk()
1804 p = conf->mirrors + repl_slot; in raid1_add_disk()
1809 conf->fullsync = 1; in raid1_add_disk()
1810 rcu_assign_pointer(p[conf->raid_disks].rdev, rdev); in raid1_add_disk()
1813 print_conf(conf); in raid1_add_disk()
1819 struct r1conf *conf = mddev->private; in raid1_remove_disk() local
1822 struct raid1_info *p = conf->mirrors + number; in raid1_remove_disk()
1824 if (unlikely(number >= conf->raid_disks)) in raid1_remove_disk()
1828 p = conf->mirrors + conf->raid_disks + number; in raid1_remove_disk()
1830 print_conf(conf); in raid1_remove_disk()
1841 mddev->recovery_disabled != conf->recovery_disabled && in raid1_remove_disk()
1842 mddev->degraded < conf->raid_disks) { in raid1_remove_disk()
1856 if (conf->mirrors[conf->raid_disks + number].rdev) { in raid1_remove_disk()
1862 conf->mirrors[conf->raid_disks + number].rdev; in raid1_remove_disk()
1863 freeze_array(conf, 0); in raid1_remove_disk()
1872 unfreeze_array(conf); in raid1_remove_disk()
1877 conf->mirrors[conf->raid_disks + number].rdev = NULL; in raid1_remove_disk()
1878 unfreeze_array(conf); in raid1_remove_disk()
1886 print_conf(conf); in raid1_remove_disk()
1943 struct r1conf *conf = mddev->private; in end_sync_write() local
1946 struct md_rdev *rdev = conf->mirrors[find_bio_disk(r1_bio, bio)].rdev; in end_sync_write()
1957 !is_badblock(conf->mirrors[r1_bio->read_disk].rdev, in end_sync_write()
2000 struct r1conf *conf = mddev->private; in fix_sync_read_error() local
2008 rdev = conf->mirrors[r1_bio->read_disk].rdev; in fix_sync_read_error()
2034 rdev = conf->mirrors[d].rdev; in fix_sync_read_error()
2043 if (d == conf->raid_disks * 2) in fix_sync_read_error()
2057 for (d = 0; d < conf->raid_disks * 2; d++) { in fix_sync_read_error()
2058 rdev = conf->mirrors[d].rdev; in fix_sync_read_error()
2065 conf->recovery_disabled = in fix_sync_read_error()
2083 d = conf->raid_disks * 2; in fix_sync_read_error()
2087 rdev = conf->mirrors[d].rdev; in fix_sync_read_error()
2098 d = conf->raid_disks * 2; in fix_sync_read_error()
2102 rdev = conf->mirrors[d].rdev; in fix_sync_read_error()
2127 struct r1conf *conf = mddev->private; in process_checks() local
2134 for (i = 0; i < conf->raid_disks * 2; i++) { in process_checks()
2142 bio_reset(b, conf->mirrors[i].rdev->bdev, REQ_OP_READ); in process_checks()
2145 conf->mirrors[i].rdev->data_offset; in process_checks()
2153 for (primary = 0; primary < conf->raid_disks * 2; primary++) in process_checks()
2157 rdev_dec_pending(conf->mirrors[primary].rdev, mddev); in process_checks()
2161 for (i = 0; i < conf->raid_disks * 2; i++) { in process_checks()
2195 rdev_dec_pending(conf->mirrors[i].rdev, mddev); in process_checks()
2205 struct r1conf *conf = mddev->private; in sync_request_write() local
2207 int disks = conf->raid_disks * 2; in sync_request_write()
2229 if (test_bit(Faulty, &conf->mirrors[i].rdev->flags)) { in sync_request_write()
2235 if (test_bit(FailFast, &conf->mirrors[i].rdev->flags)) in sync_request_write()
2240 md_sync_acct(conf->mirrors[i].rdev->bdev, bio_sectors(wbio)); in sync_request_write()
2256 static void fix_read_error(struct r1conf *conf, int read_disk, in fix_read_error() argument
2259 struct mddev *mddev = conf->mddev; in fix_read_error()
2275 rdev = rcu_dereference(conf->mirrors[d].rdev); in fix_read_error()
2285 conf->tmppage, REQ_OP_READ, false)) in fix_read_error()
2293 if (d == conf->raid_disks * 2) in fix_read_error()
2299 struct md_rdev *rdev = conf->mirrors[read_disk].rdev; in fix_read_error()
2308 d = conf->raid_disks * 2; in fix_read_error()
2311 rdev = rcu_dereference(conf->mirrors[d].rdev); in fix_read_error()
2317 conf->tmppage, REQ_OP_WRITE); in fix_read_error()
2325 d = conf->raid_disks * 2; in fix_read_error()
2328 rdev = rcu_dereference(conf->mirrors[d].rdev); in fix_read_error()
2334 conf->tmppage, REQ_OP_READ)) { in fix_read_error()
2354 struct r1conf *conf = mddev->private; in narrow_write_error() local
2355 struct md_rdev *rdev = conf->mirrors[i].rdev; in narrow_write_error()
2420 static void handle_sync_write_finished(struct r1conf *conf, struct r1bio *r1_bio) in handle_sync_write_finished() argument
2424 for (m = 0; m < conf->raid_disks * 2 ; m++) { in handle_sync_write_finished()
2425 struct md_rdev *rdev = conf->mirrors[m].rdev; in handle_sync_write_finished()
2436 md_error(conf->mddev, rdev); in handle_sync_write_finished()
2440 md_done_sync(conf->mddev, s, 1); in handle_sync_write_finished()
2443 static void handle_write_finished(struct r1conf *conf, struct r1bio *r1_bio) in handle_write_finished() argument
2448 for (m = 0; m < conf->raid_disks * 2 ; m++) in handle_write_finished()
2450 struct md_rdev *rdev = conf->mirrors[m].rdev; in handle_write_finished()
2454 rdev_dec_pending(rdev, conf->mddev); in handle_write_finished()
2462 md_error(conf->mddev, in handle_write_finished()
2463 conf->mirrors[m].rdev); in handle_write_finished()
2464 rdev_dec_pending(conf->mirrors[m].rdev, in handle_write_finished()
2465 conf->mddev); in handle_write_finished()
2468 spin_lock_irq(&conf->device_lock); in handle_write_finished()
2469 list_add(&r1_bio->retry_list, &conf->bio_end_io_list); in handle_write_finished()
2471 atomic_inc(&conf->nr_queued[idx]); in handle_write_finished()
2472 spin_unlock_irq(&conf->device_lock); in handle_write_finished()
2477 wake_up(&conf->wait_barrier); in handle_write_finished()
2478 md_wakeup_thread(conf->mddev->thread); in handle_write_finished()
2486 static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio) in handle_read_error() argument
2488 struct mddev *mddev = conf->mddev; in handle_read_error()
2507 rdev = conf->mirrors[r1_bio->read_disk].rdev; in handle_read_error()
2510 freeze_array(conf, 1); in handle_read_error()
2511 fix_read_error(conf, r1_bio->read_disk, in handle_read_error()
2513 unfreeze_array(conf); in handle_read_error()
2520 rdev_dec_pending(rdev, conf->mddev); in handle_read_error()
2527 allow_barrier(conf, sector); in handle_read_error()
2535 struct r1conf *conf = mddev->private; in raid1d() local
2536 struct list_head *head = &conf->retry_list; in raid1d()
2542 if (!list_empty_careful(&conf->bio_end_io_list) && in raid1d()
2545 spin_lock_irqsave(&conf->device_lock, flags); in raid1d()
2547 list_splice_init(&conf->bio_end_io_list, &tmp); in raid1d()
2548 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1d()
2554 atomic_dec(&conf->nr_queued[idx]); in raid1d()
2564 flush_pending_writes(conf); in raid1d()
2566 spin_lock_irqsave(&conf->device_lock, flags); in raid1d()
2568 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1d()
2574 atomic_dec(&conf->nr_queued[idx]); in raid1d()
2575 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1d()
2578 conf = mddev->private; in raid1d()
2582 handle_sync_write_finished(conf, r1_bio); in raid1d()
2587 handle_write_finished(conf, r1_bio); in raid1d()
2589 handle_read_error(conf, r1_bio); in raid1d()
2600 static int init_resync(struct r1conf *conf) in init_resync() argument
2605 BUG_ON(mempool_initialized(&conf->r1buf_pool)); in init_resync()
2607 return mempool_init(&conf->r1buf_pool, buffs, r1buf_pool_alloc, in init_resync()
2608 r1buf_pool_free, conf->poolinfo); in init_resync()
2611 static struct r1bio *raid1_alloc_init_r1buf(struct r1conf *conf) in raid1_alloc_init_r1buf() argument
2613 struct r1bio *r1bio = mempool_alloc(&conf->r1buf_pool, GFP_NOIO); in raid1_alloc_init_r1buf()
2618 for (i = conf->poolinfo->raid_disks; i--; ) { in raid1_alloc_init_r1buf()
2641 struct r1conf *conf = mddev->private; in raid1_sync_request() local
2656 if (!mempool_initialized(&conf->r1buf_pool)) in raid1_sync_request()
2657 if (init_resync(conf)) in raid1_sync_request()
2671 conf->fullsync = 0; in raid1_sync_request()
2674 close_sync(conf); in raid1_sync_request()
2677 conf->cluster_sync_low = 0; in raid1_sync_request()
2678 conf->cluster_sync_high = 0; in raid1_sync_request()
2686 conf->fullsync == 0) { in raid1_sync_request()
2694 !conf->fullsync && !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) { in raid1_sync_request()
2704 if (atomic_read(&conf->nr_waiting[idx])) in raid1_sync_request()
2712 mddev_is_clustered(mddev) && (sector_nr + 2 * RESYNC_SECTORS > conf->cluster_sync_high)); in raid1_sync_request()
2715 if (raise_barrier(conf, sector_nr)) in raid1_sync_request()
2718 r1_bio = raid1_alloc_init_r1buf(conf); in raid1_sync_request()
2737 for (i = 0; i < conf->raid_disks * 2; i++) { in raid1_sync_request()
2741 rdev = rcu_dereference(conf->mirrors[i].rdev); in raid1_sync_request()
2744 if (i < conf->raid_disks) in raid1_sync_request()
2809 for (i = 0 ; i < conf->raid_disks * 2 ; i++) in raid1_sync_request()
2811 struct md_rdev *rdev = conf->mirrors[i].rdev; in raid1_sync_request()
2826 conf->recovery_disabled = mddev->recovery_disabled; in raid1_sync_request()
2872 !conf->fullsync && in raid1_sync_request()
2879 for (i = 0 ; i < conf->raid_disks * 2; i++) { in raid1_sync_request()
2902 conf->cluster_sync_high < sector_nr + nr_sectors) { in raid1_sync_request()
2903 conf->cluster_sync_low = mddev->curr_resync_completed; in raid1_sync_request()
2904 conf->cluster_sync_high = conf->cluster_sync_low + CLUSTER_RESYNC_WINDOW_SECTORS; in raid1_sync_request()
2907 conf->cluster_sync_low, in raid1_sync_request()
2908 conf->cluster_sync_high); in raid1_sync_request()
2916 for (i = 0; i < conf->raid_disks * 2 && read_targets; i++) { in raid1_sync_request()
2947 struct r1conf *conf; in setup_conf() local
2953 conf = kzalloc(sizeof(struct r1conf), GFP_KERNEL); in setup_conf()
2954 if (!conf) in setup_conf()
2957 conf->nr_pending = kcalloc(BARRIER_BUCKETS_NR, in setup_conf()
2959 if (!conf->nr_pending) in setup_conf()
2962 conf->nr_waiting = kcalloc(BARRIER_BUCKETS_NR, in setup_conf()
2964 if (!conf->nr_waiting) in setup_conf()
2967 conf->nr_queued = kcalloc(BARRIER_BUCKETS_NR, in setup_conf()
2969 if (!conf->nr_queued) in setup_conf()
2972 conf->barrier = kcalloc(BARRIER_BUCKETS_NR, in setup_conf()
2974 if (!conf->barrier) in setup_conf()
2977 conf->mirrors = kzalloc(array3_size(sizeof(struct raid1_info), in setup_conf()
2980 if (!conf->mirrors) in setup_conf()
2983 conf->tmppage = alloc_page(GFP_KERNEL); in setup_conf()
2984 if (!conf->tmppage) in setup_conf()
2987 conf->poolinfo = kzalloc(sizeof(*conf->poolinfo), GFP_KERNEL); in setup_conf()
2988 if (!conf->poolinfo) in setup_conf()
2990 conf->poolinfo->raid_disks = mddev->raid_disks * 2; in setup_conf()
2991 err = mempool_init(&conf->r1bio_pool, NR_RAID_BIOS, r1bio_pool_alloc, in setup_conf()
2992 rbio_pool_free, conf->poolinfo); in setup_conf()
2996 err = bioset_init(&conf->bio_split, BIO_POOL_SIZE, 0, 0); in setup_conf()
3000 conf->poolinfo->mddev = mddev; in setup_conf()
3003 spin_lock_init(&conf->device_lock); in setup_conf()
3010 disk = conf->mirrors + mddev->raid_disks + disk_idx; in setup_conf()
3012 disk = conf->mirrors + disk_idx; in setup_conf()
3020 conf->raid_disks = mddev->raid_disks; in setup_conf()
3021 conf->mddev = mddev; in setup_conf()
3022 INIT_LIST_HEAD(&conf->retry_list); in setup_conf()
3023 INIT_LIST_HEAD(&conf->bio_end_io_list); in setup_conf()
3025 spin_lock_init(&conf->resync_lock); in setup_conf()
3026 init_waitqueue_head(&conf->wait_barrier); in setup_conf()
3028 bio_list_init(&conf->pending_bio_list); in setup_conf()
3029 conf->recovery_disabled = mddev->recovery_disabled - 1; in setup_conf()
3032 for (i = 0; i < conf->raid_disks * 2; i++) { in setup_conf()
3034 disk = conf->mirrors + i; in setup_conf()
3036 if (i < conf->raid_disks && in setup_conf()
3037 disk[conf->raid_disks].rdev) { in setup_conf()
3044 disk[conf->raid_disks].rdev; in setup_conf()
3045 disk[conf->raid_disks].rdev = NULL; in setup_conf()
3056 conf->fullsync = 1; in setup_conf()
3061 rcu_assign_pointer(conf->thread, in setup_conf()
3063 if (!conf->thread) in setup_conf()
3066 return conf; in setup_conf()
3069 if (conf) { in setup_conf()
3070 mempool_exit(&conf->r1bio_pool); in setup_conf()
3071 kfree(conf->mirrors); in setup_conf()
3072 safe_put_page(conf->tmppage); in setup_conf()
3073 kfree(conf->poolinfo); in setup_conf()
3074 kfree(conf->nr_pending); in setup_conf()
3075 kfree(conf->nr_waiting); in setup_conf()
3076 kfree(conf->nr_queued); in setup_conf()
3077 kfree(conf->barrier); in setup_conf()
3078 bioset_exit(&conf->bio_split); in setup_conf()
3079 kfree(conf); in setup_conf()
3087 struct r1conf *conf; in raid1_run() local
3110 conf = setup_conf(mddev); in raid1_run()
3112 conf = mddev->private; in raid1_run()
3114 if (IS_ERR(conf)) in raid1_run()
3115 return PTR_ERR(conf); in raid1_run()
3128 for (i = 0; i < conf->raid_disks; i++) in raid1_run()
3129 if (conf->mirrors[i].rdev == NULL || in raid1_run()
3130 !test_bit(In_sync, &conf->mirrors[i].rdev->flags) || in raid1_run()
3131 test_bit(Faulty, &conf->mirrors[i].rdev->flags)) in raid1_run()
3136 if (conf->raid_disks - mddev->degraded < 1) { in raid1_run()
3137 md_unregister_thread(mddev, &conf->thread); in raid1_run()
3142 if (conf->raid_disks - mddev->degraded == 1) in raid1_run()
3155 rcu_assign_pointer(mddev->thread, conf->thread); in raid1_run()
3156 rcu_assign_pointer(conf->thread, NULL); in raid1_run()
3157 mddev->private = conf; in raid1_run()
3170 raid1_free(mddev, conf); in raid1_run()
3176 struct r1conf *conf = priv; in raid1_free() local
3178 mempool_exit(&conf->r1bio_pool); in raid1_free()
3179 kfree(conf->mirrors); in raid1_free()
3180 safe_put_page(conf->tmppage); in raid1_free()
3181 kfree(conf->poolinfo); in raid1_free()
3182 kfree(conf->nr_pending); in raid1_free()
3183 kfree(conf->nr_waiting); in raid1_free()
3184 kfree(conf->nr_queued); in raid1_free()
3185 kfree(conf->barrier); in raid1_free()
3186 bioset_exit(&conf->bio_split); in raid1_free()
3187 kfree(conf); in raid1_free()
3235 struct r1conf *conf = mddev->private; in raid1_reshape() local
3259 if (raid_disks < conf->raid_disks) { in raid1_reshape()
3261 for (d= 0; d < conf->raid_disks; d++) in raid1_reshape()
3262 if (conf->mirrors[d].rdev) in raid1_reshape()
3289 freeze_array(conf, 0); in raid1_reshape()
3292 oldpool = conf->r1bio_pool; in raid1_reshape()
3293 conf->r1bio_pool = newpool; in raid1_reshape()
3295 for (d = d2 = 0; d < conf->raid_disks; d++) { in raid1_reshape()
3296 struct md_rdev *rdev = conf->mirrors[d].rdev; in raid1_reshape()
3308 kfree(conf->mirrors); in raid1_reshape()
3309 conf->mirrors = newmirrors; in raid1_reshape()
3310 kfree(conf->poolinfo); in raid1_reshape()
3311 conf->poolinfo = newpoolinfo; in raid1_reshape()
3313 spin_lock_irqsave(&conf->device_lock, flags); in raid1_reshape()
3314 mddev->degraded += (raid_disks - conf->raid_disks); in raid1_reshape()
3315 spin_unlock_irqrestore(&conf->device_lock, flags); in raid1_reshape()
3316 conf->raid_disks = mddev->raid_disks = raid_disks; in raid1_reshape()
3319 unfreeze_array(conf); in raid1_reshape()
3331 struct r1conf *conf = mddev->private; in raid1_quiesce() local
3334 freeze_array(conf, 0); in raid1_quiesce()
3336 unfreeze_array(conf); in raid1_quiesce()
3345 struct r1conf *conf; in raid1_takeover() local
3349 conf = setup_conf(mddev); in raid1_takeover()
3350 if (!IS_ERR(conf)) { in raid1_takeover()
3352 conf->array_frozen = 1; in raid1_takeover()
3356 return conf; in raid1_takeover()