Lines Matching refs:raid_disks
124 static inline int raid6_next_disk(int disk, int raid_disks) in raid6_next_disk() argument
127 return (disk < raid_disks) ? disk : 0; in raid6_next_disk()
278 else if (injournal == conf->raid_disks - conf->max_degraded) { in do_release_stripe()
581 sh->disks = previous ? conf->previous_raid_disks : conf->raid_disks; in init_stripe()
659 if (conf->raid_disks >= conf->previous_raid_disks) in raid5_calc_degraded()
663 if (conf->raid_disks == conf->previous_raid_disks) in raid5_calc_degraded()
667 for (i = 0; i < conf->raid_disks; i++) { in raid5_calc_degraded()
681 if (conf->raid_disks <= conf->previous_raid_disks) in raid5_calc_degraded()
2361 int devs = max(conf->raid_disks, conf->previous_raid_disks); in grow_stripes()
2607 for (i = conf->raid_disks; i < newsize; i++) { in resize_stripes()
2615 for (i=conf->raid_disks; i < newsize; i++) in resize_stripes()
2894 mdname(mddev), mddev->degraded, conf->raid_disks); in raid5_error()
2897 mdname(mddev), conf->raid_disks - mddev->degraded); in raid5_error()
2927 int raid_disks = previous ? conf->previous_raid_disks in raid5_compute_sector() local
2928 : conf->raid_disks; in raid5_compute_sector()
2929 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_sector()
2956 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2961 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2966 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2967 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
2970 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2971 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
2988 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2990 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
2997 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2999 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3006 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3007 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
3008 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
3011 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3012 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
3013 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
3030 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3032 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3046 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3048 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3058 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3059 qd_idx = (pd_idx + raid_disks - 1) % raid_disks; in raid5_compute_sector()
3060 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
3066 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3069 qd_idx = raid_disks - 1; in raid5_compute_sector()
3073 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3076 qd_idx = raid_disks - 1; in raid5_compute_sector()
3080 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3081 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
3082 qd_idx = raid_disks - 1; in raid5_compute_sector()
3086 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3087 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
3088 qd_idx = raid_disks - 1; in raid5_compute_sector()
3094 qd_idx = raid_disks - 1; in raid5_compute_sector()
3118 int raid_disks = sh->disks; in raid5_compute_blocknr() local
3119 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_blocknr()
3149 i += raid_disks; in raid5_compute_blocknr()
3169 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
3176 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
3181 i += raid_disks; in raid5_compute_blocknr()
3197 i += raid_disks; in raid5_compute_blocknr()
3539 int disks = previous ? conf->previous_raid_disks : conf->raid_disks; in stripe_set_idx()
3686 for (i = 0; i < conf->raid_disks; i++) { in handle_failed_sync()
4552 for (j = 0; j < conf->raid_disks; j++) in handle_stripe_expansion()
4557 if (j == conf->raid_disks) { in handle_stripe_expansion()
5122 for (i = 0; i < conf->raid_disks; i++) in handle_stripe()
5184 for (i = conf->raid_disks; i--; ) { in handle_stripe()
5194 sh->disks = conf->raid_disks; in handle_stripe()
5696 (conf->raid_disks - conf->max_degraded); in make_discard_request()
5720 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5734 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5746 d < conf->raid_disks - conf->max_degraded; in make_discard_request()
5940 static sector_t raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks);
5957 int raid_disks = conf->previous_raid_disks; in reshape_request() local
5958 int data_disks = raid_disks - conf->max_degraded; in reshape_request()
5959 int new_data_disks = conf->raid_disks - conf->max_degraded; in reshape_request()
6287 for (i = 0; i < conf->raid_disks; i++) { in raid5_sync_request()
7022 raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks) in raid5_size() argument
7028 if (!raid_disks) in raid5_size()
7030 raid_disks = min(conf->raid_disks, conf->previous_raid_disks); in raid5_size()
7034 return sectors * (raid_disks - conf->max_degraded); in raid5_size()
7054 max(conf->raid_disks, in alloc_scratch_buffer()
7126 conf->scribble_disks = max(conf->raid_disks, in raid5_alloc_percpu()
7193 if (mddev->new_level == 6 && mddev->raid_disks < 4) { in setup_conf()
7195 mdname(mddev), mddev->raid_disks); in setup_conf()
7261 conf->raid_disks = mddev->raid_disks; in setup_conf()
7263 conf->previous_raid_disks = mddev->raid_disks; in setup_conf()
7265 conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks; in setup_conf()
7266 max_disks = max(conf->raid_disks, conf->previous_raid_disks); in setup_conf()
7388 conf->shrinker.seeks = DEFAULT_SEEKS * conf->raid_disks * 4; in setup_conf()
7417 static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded) in only_parity() argument
7425 if (raid_disk >= raid_disks - max_degraded) in only_parity()
7430 raid_disk == raid_disks - 1) in only_parity()
7437 if (raid_disk == raid_disks - 1) in only_parity()
7446 (conf->raid_disks - conf->max_degraded)); in raid5_set_io_opt()
7536 old_disks = mddev->raid_disks - mddev->delta_disks; in raid5_run()
7546 new_data_disks = mddev->raid_disks - max_degraded; in raid5_run()
7629 for (i = 0; i < conf->raid_disks && conf->previous_raid_disks; in raid5_run()
7668 conf->raid_disks, in raid5_run()
7687 mdname(mddev), mddev->degraded, conf->raid_disks); in raid5_run()
7712 mddev->raid_disks-mddev->degraded, mddev->raid_disks, in raid5_run()
7834 seq_printf (seq, " [%d/%d] [", conf->raid_disks, conf->raid_disks - mddev->degraded); in raid5_status()
7836 for (i = 0; i < conf->raid_disks; i++) { in raid5_status()
7855 conf->raid_disks, in print_raid5_conf()
7856 conf->raid_disks - conf->mddev->degraded); in print_raid5_conf()
7858 for (i = 0; i < conf->raid_disks; i++) { in print_raid5_conf()
7876 for (i = 0; i < conf->raid_disks; i++) { in raid5_spare_active()
7942 if (number >= conf->raid_disks && in raid5_remove_disk()
7958 number < conf->raid_disks) { in raid5_remove_disk()
8003 int last = conf->raid_disks - 1; in raid5_add_disk()
8091 newsize = raid5_size(mddev, sectors, mddev->raid_disks); in raid5_resize()
8156 if (mddev->raid_disks + mddev->delta_disks < min) in check_reshape()
8211 if (raid5_size(mddev, 0, conf->raid_disks + mddev->delta_disks) in raid5_start_reshape()
8221 conf->previous_raid_disks = conf->raid_disks; in raid5_start_reshape()
8222 conf->raid_disks += mddev->delta_disks; in raid5_start_reshape()
8282 mddev->raid_disks = conf->raid_disks; in raid5_start_reshape()
8297 mddev->raid_disks = conf->raid_disks = conf->previous_raid_disks; in raid5_start_reshape()
8327 conf->previous_raid_disks = conf->raid_disks; in end_reshape()
8359 for (d = conf->raid_disks ; in raid5_finish_reshape()
8360 d < conf->raid_disks - mddev->delta_disks; in raid5_finish_reshape()
8431 mddev->raid_disks += 1; in raid45_takeover_raid0()
8444 if (mddev->raid_disks != 2 || in raid5_takeover_raid1()
8500 mddev->raid_disks -= 1; in raid5_takeover_raid6()
8528 if (mddev->raid_disks == 2) { in raid5_check_reshape()
8618 if (mddev->raid_disks > 253) in raid6_takeover()
8620 if (mddev->raid_disks < 3) in raid6_takeover()
8648 mddev->raid_disks += 1; in raid6_takeover()