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()
2360 int devs = max(conf->raid_disks, conf->previous_raid_disks); in grow_stripes()
2606 for (i = conf->raid_disks; i < newsize; i++) { in resize_stripes()
2614 for (i=conf->raid_disks; i < newsize; i++) in resize_stripes()
2893 mdname(mddev), mddev->degraded, conf->raid_disks); in raid5_error()
2896 mdname(mddev), conf->raid_disks - mddev->degraded); in raid5_error()
2926 int raid_disks = previous ? conf->previous_raid_disks in raid5_compute_sector() local
2927 : conf->raid_disks; in raid5_compute_sector()
2928 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_sector()
2955 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2960 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2965 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2966 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
2969 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2970 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
2987 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2989 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
2996 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2998 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3005 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3006 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
3007 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
3010 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3011 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
3012 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
3029 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
3031 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3045 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3047 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
3057 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
3058 qd_idx = (pd_idx + raid_disks - 1) % raid_disks; in raid5_compute_sector()
3059 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
3065 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3068 qd_idx = raid_disks - 1; in raid5_compute_sector()
3072 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3075 qd_idx = raid_disks - 1; in raid5_compute_sector()
3079 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3080 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
3081 qd_idx = raid_disks - 1; in raid5_compute_sector()
3085 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
3086 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
3087 qd_idx = raid_disks - 1; in raid5_compute_sector()
3093 qd_idx = raid_disks - 1; in raid5_compute_sector()
3117 int raid_disks = sh->disks; in raid5_compute_blocknr() local
3118 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_blocknr()
3148 i += raid_disks; in raid5_compute_blocknr()
3168 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
3175 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
3180 i += raid_disks; in raid5_compute_blocknr()
3196 i += raid_disks; in raid5_compute_blocknr()
3538 int disks = previous ? conf->previous_raid_disks : conf->raid_disks; in stripe_set_idx()
3685 for (i = 0; i < conf->raid_disks; i++) { in handle_failed_sync()
4551 for (j = 0; j < conf->raid_disks; j++) in handle_stripe_expansion()
4556 if (j == conf->raid_disks) { in handle_stripe_expansion()
5121 for (i = 0; i < conf->raid_disks; i++) in handle_stripe()
5183 for (i = conf->raid_disks; i--; ) { in handle_stripe()
5193 sh->disks = conf->raid_disks; in handle_stripe()
5694 (conf->raid_disks - conf->max_degraded); in make_discard_request()
5718 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5732 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5744 d < conf->raid_disks - conf->max_degraded; in make_discard_request()
5937 static sector_t raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks);
5954 int raid_disks = conf->previous_raid_disks; in reshape_request() local
5955 int data_disks = raid_disks - conf->max_degraded; in reshape_request()
5956 int new_data_disks = conf->raid_disks - conf->max_degraded; in reshape_request()
6284 for (i = 0; i < conf->raid_disks; i++) { in raid5_sync_request()
7019 raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks) in raid5_size() argument
7025 if (!raid_disks) in raid5_size()
7027 raid_disks = min(conf->raid_disks, conf->previous_raid_disks); in raid5_size()
7031 return sectors * (raid_disks - conf->max_degraded); in raid5_size()
7051 max(conf->raid_disks, in alloc_scratch_buffer()
7123 conf->scribble_disks = max(conf->raid_disks, in raid5_alloc_percpu()
7190 if (mddev->new_level == 6 && mddev->raid_disks < 4) { in setup_conf()
7192 mdname(mddev), mddev->raid_disks); in setup_conf()
7258 conf->raid_disks = mddev->raid_disks; in setup_conf()
7260 conf->previous_raid_disks = mddev->raid_disks; in setup_conf()
7262 conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks; in setup_conf()
7263 max_disks = max(conf->raid_disks, conf->previous_raid_disks); in setup_conf()
7385 conf->shrinker.seeks = DEFAULT_SEEKS * conf->raid_disks * 4; in setup_conf()
7414 static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded) in only_parity() argument
7422 if (raid_disk >= raid_disks - max_degraded) in only_parity()
7427 raid_disk == raid_disks - 1) in only_parity()
7434 if (raid_disk == raid_disks - 1) in only_parity()
7443 (conf->raid_disks - conf->max_degraded)); in raid5_set_io_opt()
7523 old_disks = mddev->raid_disks - mddev->delta_disks; in raid5_run()
7533 new_data_disks = mddev->raid_disks - max_degraded; in raid5_run()
7611 for (i = 0; i < conf->raid_disks && conf->previous_raid_disks; in raid5_run()
7650 conf->raid_disks, in raid5_run()
7669 mdname(mddev), mddev->degraded, conf->raid_disks); in raid5_run()
7694 mddev->raid_disks-mddev->degraded, mddev->raid_disks, in raid5_run()
7812 seq_printf (seq, " [%d/%d] [", conf->raid_disks, conf->raid_disks - mddev->degraded); in raid5_status()
7814 for (i = 0; i < conf->raid_disks; i++) { in raid5_status()
7833 conf->raid_disks, in print_raid5_conf()
7834 conf->raid_disks - conf->mddev->degraded); in print_raid5_conf()
7836 for (i = 0; i < conf->raid_disks; i++) { in print_raid5_conf()
7854 for (i = 0; i < conf->raid_disks; i++) { in raid5_spare_active()
7920 if (number >= conf->raid_disks && in raid5_remove_disk()
7936 number < conf->raid_disks) { in raid5_remove_disk()
7981 int last = conf->raid_disks - 1; in raid5_add_disk()
8069 newsize = raid5_size(mddev, sectors, mddev->raid_disks); in raid5_resize()
8134 if (mddev->raid_disks + mddev->delta_disks < min) in check_reshape()
8189 if (raid5_size(mddev, 0, conf->raid_disks + mddev->delta_disks) in raid5_start_reshape()
8199 conf->previous_raid_disks = conf->raid_disks; in raid5_start_reshape()
8200 conf->raid_disks += mddev->delta_disks; in raid5_start_reshape()
8260 mddev->raid_disks = conf->raid_disks; in raid5_start_reshape()
8275 mddev->raid_disks = conf->raid_disks = conf->previous_raid_disks; in raid5_start_reshape()
8305 conf->previous_raid_disks = conf->raid_disks; in end_reshape()
8337 for (d = conf->raid_disks ; in raid5_finish_reshape()
8338 d < conf->raid_disks - mddev->delta_disks; in raid5_finish_reshape()
8406 mddev->raid_disks += 1; in raid45_takeover_raid0()
8419 if (mddev->raid_disks != 2 || in raid5_takeover_raid1()
8475 mddev->raid_disks -= 1; in raid5_takeover_raid6()
8503 if (mddev->raid_disks == 2) { in raid5_check_reshape()
8593 if (mddev->raid_disks > 253) in raid6_takeover()
8595 if (mddev->raid_disks < 3) in raid6_takeover()
8623 mddev->raid_disks += 1; in raid6_takeover()