Lines Matching refs:raid_disks
130 static inline int raid6_next_disk(int disk, int raid_disks) in raid6_next_disk() argument
133 return (disk < raid_disks) ? disk : 0; in raid6_next_disk()
286 else if (injournal == conf->raid_disks - conf->max_degraded) { in do_release_stripe()
590 sh->disks = previous ? conf->previous_raid_disks : conf->raid_disks; in init_stripe()
715 if (conf->raid_disks >= conf->previous_raid_disks) in raid5_calc_degraded()
719 if (conf->raid_disks == conf->previous_raid_disks) in raid5_calc_degraded()
723 for (i = 0; i < conf->raid_disks; i++) { in raid5_calc_degraded()
737 if (conf->raid_disks <= conf->previous_raid_disks) in raid5_calc_degraded()
2431 int devs = max(conf->raid_disks, conf->previous_raid_disks); in grow_stripes()
2677 for (i = conf->raid_disks; i < newsize; i++) { in resize_stripes()
2685 for (i=conf->raid_disks; i < newsize; i++) in resize_stripes()
2981 mdname(mddev), mddev->degraded, conf->raid_disks); in raid5_error()
2984 mdname(mddev), conf->raid_disks - mddev->degraded); in raid5_error()
3014 int raid_disks = previous ? conf->previous_raid_disks in raid5_compute_sector() local
3015 : conf->raid_disks; in raid5_compute_sector()
3016 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_sector()
3043 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3048 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3053 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3054 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
3057 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3058 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
3075 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3077 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3084 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3086 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3093 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3094 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
3095 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
3098 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3099 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
3100 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
3117 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3119 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3133 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3135 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3145 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3146 qd_idx = (pd_idx + raid_disks - 1) % raid_disks; in raid5_compute_sector()
3147 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
3153 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3156 qd_idx = raid_disks - 1; in raid5_compute_sector()
3160 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3163 qd_idx = raid_disks - 1; in raid5_compute_sector()
3167 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3168 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
3169 qd_idx = raid_disks - 1; in raid5_compute_sector()
3173 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3174 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
3175 qd_idx = raid_disks - 1; in raid5_compute_sector()
3181 qd_idx = raid_disks - 1; in raid5_compute_sector()
3205 int raid_disks = sh->disks; in raid5_compute_blocknr() local
3206 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_blocknr()
3236 i += raid_disks; in raid5_compute_blocknr()
3256 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
3263 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
3268 i += raid_disks; in raid5_compute_blocknr()
3284 i += raid_disks; in raid5_compute_blocknr()
3650 int disks = previous ? conf->previous_raid_disks : conf->raid_disks; in stripe_set_idx()
3797 for (i = 0; i < conf->raid_disks; i++) { in handle_failed_sync()
4664 for (j = 0; j < conf->raid_disks; j++) in handle_stripe_expansion()
4669 if (j == conf->raid_disks) { in handle_stripe_expansion()
5234 for (i = 0; i < conf->raid_disks; i++) in handle_stripe()
5298 for (i = conf->raid_disks; i--; ) { in handle_stripe()
5308 sh->disks = conf->raid_disks; in handle_stripe()
5803 (conf->raid_disks - conf->max_degraded); in make_discard_request()
5827 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5841 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5853 d < conf->raid_disks - conf->max_degraded; in make_discard_request()
6107 int raid_disks = conf->raid_disks; in raid5_bio_lowest_chunk_sector() local
6126 if (dd_idx >= raid_disks) in raid5_bio_lowest_chunk_sector()
6259 static sector_t raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks);
6276 int raid_disks = conf->previous_raid_disks; in reshape_request() local
6277 int data_disks = raid_disks - conf->max_degraded; in reshape_request()
6278 int new_data_disks = conf->raid_disks - conf->max_degraded; in reshape_request()
6609 for (i = 0; i < conf->raid_disks; i++) { in raid5_sync_request()
7343 raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks) in raid5_size() argument
7349 if (!raid_disks) in raid5_size()
7351 raid_disks = min(conf->raid_disks, conf->previous_raid_disks); in raid5_size()
7355 return sectors * (raid_disks - conf->max_degraded); in raid5_size()
7375 max(conf->raid_disks, in alloc_scratch_buffer()
7448 conf->scribble_disks = max(conf->raid_disks, in raid5_alloc_percpu()
7515 if (mddev->new_level == 6 && mddev->raid_disks < 4) { in setup_conf()
7517 mdname(mddev), mddev->raid_disks); in setup_conf()
7584 conf->raid_disks = mddev->raid_disks; in setup_conf()
7586 conf->previous_raid_disks = mddev->raid_disks; in setup_conf()
7588 conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks; in setup_conf()
7589 max_disks = max(conf->raid_disks, conf->previous_raid_disks); in setup_conf()
7715 conf->shrinker.seeks = DEFAULT_SEEKS * conf->raid_disks * 4; in setup_conf()
7745 static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded) in only_parity() argument
7753 if (raid_disk >= raid_disks - max_degraded) in only_parity()
7758 raid_disk == raid_disks - 1) in only_parity()
7765 if (raid_disk == raid_disks - 1) in only_parity()
7774 (conf->raid_disks - conf->max_degraded)); in raid5_set_io_opt()
7853 old_disks = mddev->raid_disks - mddev->delta_disks; in raid5_run()
7863 new_data_disks = mddev->raid_disks - max_degraded; in raid5_run()
7941 for (i = 0; i < conf->raid_disks && conf->previous_raid_disks; in raid5_run()
7979 conf->raid_disks, in raid5_run()
7998 mdname(mddev), mddev->degraded, conf->raid_disks); in raid5_run()
8023 mddev->raid_disks-mddev->degraded, mddev->raid_disks, in raid5_run()
8140 seq_printf (seq, " [%d/%d] [", conf->raid_disks, conf->raid_disks - mddev->degraded); in raid5_status()
8142 for (i = 0; i < conf->raid_disks; i++) { in raid5_status()
8161 conf->raid_disks, in print_raid5_conf()
8162 conf->raid_disks - conf->mddev->degraded); in print_raid5_conf()
8165 for (i = 0; i < conf->raid_disks; i++) { in print_raid5_conf()
8183 for (i = 0; i < conf->raid_disks; i++) { in raid5_spare_active()
8255 if (number >= conf->raid_disks && in raid5_remove_disk()
8272 number < conf->raid_disks) { in raid5_remove_disk()
8321 int last = conf->raid_disks - 1; in raid5_add_disk()
8410 newsize = raid5_size(mddev, sectors, mddev->raid_disks); in raid5_resize()
8475 if (mddev->raid_disks + mddev->delta_disks < min) in check_reshape()
8518 for (i = 0; i < conf->raid_disks; i++) in raid5_start_reshape()
8538 if (raid5_size(mddev, 0, conf->raid_disks + mddev->delta_disks) in raid5_start_reshape()
8548 conf->previous_raid_disks = conf->raid_disks; in raid5_start_reshape()
8549 conf->raid_disks += mddev->delta_disks; in raid5_start_reshape()
8609 mddev->raid_disks = conf->raid_disks; in raid5_start_reshape()
8624 mddev->raid_disks = conf->raid_disks = conf->previous_raid_disks; in raid5_start_reshape()
8654 conf->previous_raid_disks = conf->raid_disks; in end_reshape()
8687 for (d = conf->raid_disks ; in raid5_finish_reshape()
8688 d < conf->raid_disks - mddev->delta_disks; in raid5_finish_reshape()
8761 mddev->raid_disks += 1; in raid45_takeover_raid0()
8774 if (mddev->raid_disks != 2 || in raid5_takeover_raid1()
8830 mddev->raid_disks -= 1; in raid5_takeover_raid6()
8858 if (mddev->raid_disks == 2) { in raid5_check_reshape()
8948 if (mddev->raid_disks > 253) in raid6_takeover()
8950 if (mddev->raid_disks < 3) in raid6_takeover()
8978 mddev->raid_disks += 1; in raid6_takeover()