Lines Matching refs:raid_disks
123 static inline int raid6_next_disk(int disk, int raid_disks) in raid6_next_disk() argument
126 return (disk < raid_disks) ? disk : 0; in raid6_next_disk()
277 else if (injournal == conf->raid_disks - conf->max_degraded) { in do_release_stripe()
503 sh->disks = previous ? conf->previous_raid_disks : conf->raid_disks; in init_stripe()
581 if (conf->raid_disks >= conf->previous_raid_disks) in raid5_calc_degraded()
585 if (conf->raid_disks == conf->previous_raid_disks) in raid5_calc_degraded()
589 for (i = 0; i < conf->raid_disks; i++) { in raid5_calc_degraded()
603 if (conf->raid_disks <= conf->previous_raid_disks) in raid5_calc_degraded()
2192 int devs = max(conf->raid_disks, conf->previous_raid_disks); in grow_stripes()
2416 for (i=conf->raid_disks; i < newsize; i++) in resize_stripes()
2705 conf->raid_disks - mddev->degraded); in raid5_error()
2727 int raid_disks = previous ? conf->previous_raid_disks in raid5_compute_sector() local
2728 : conf->raid_disks; in raid5_compute_sector()
2729 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_sector()
2756 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2761 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2766 pd_idx = data_disks - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2767 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
2770 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2771 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
2788 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2790 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
2797 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2799 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
2806 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2807 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
2808 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
2811 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2812 qd_idx = (pd_idx + 1) % raid_disks; in raid5_compute_sector()
2813 *dd_idx = (pd_idx + 2 + *dd_idx) % raid_disks; in raid5_compute_sector()
2830 pd_idx = sector_div(stripe2, raid_disks); in raid5_compute_sector()
2832 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
2846 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2848 if (pd_idx == raid_disks-1) { in raid5_compute_sector()
2858 pd_idx = raid_disks - 1 - sector_div(stripe2, raid_disks); in raid5_compute_sector()
2859 qd_idx = (pd_idx + raid_disks - 1) % raid_disks; in raid5_compute_sector()
2860 *dd_idx = (pd_idx + 1 + *dd_idx) % raid_disks; in raid5_compute_sector()
2866 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
2869 qd_idx = raid_disks - 1; in raid5_compute_sector()
2873 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
2876 qd_idx = raid_disks - 1; in raid5_compute_sector()
2880 pd_idx = data_disks - sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
2881 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
2882 qd_idx = raid_disks - 1; in raid5_compute_sector()
2886 pd_idx = sector_div(stripe2, raid_disks-1); in raid5_compute_sector()
2887 *dd_idx = (pd_idx + 1 + *dd_idx) % (raid_disks-1); in raid5_compute_sector()
2888 qd_idx = raid_disks - 1; in raid5_compute_sector()
2894 qd_idx = raid_disks - 1; in raid5_compute_sector()
2918 int raid_disks = sh->disks; in raid5_compute_blocknr() local
2919 int data_disks = raid_disks - conf->max_degraded; in raid5_compute_blocknr()
2949 i += raid_disks; in raid5_compute_blocknr()
2969 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
2976 if (sh->pd_idx == raid_disks-1) in raid5_compute_blocknr()
2981 i += raid_disks; in raid5_compute_blocknr()
2997 i += raid_disks; in raid5_compute_blocknr()
3339 int disks = previous ? conf->previous_raid_disks : conf->raid_disks; in stripe_set_idx()
3486 for (i = 0; i < conf->raid_disks; i++) { in handle_failed_sync()
4344 for (j = 0; j < conf->raid_disks; j++) in handle_stripe_expansion()
4349 if (j == conf->raid_disks) { in handle_stripe_expansion()
4909 for (i = 0; i < conf->raid_disks; i++) in handle_stripe()
4974 for (i = conf->raid_disks; i--; ) { in handle_stripe()
4984 sh->disks = conf->raid_disks; in handle_stripe()
5507 (conf->raid_disks - conf->max_degraded); in make_discard_request()
5531 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5545 for (d = 0; d < conf->raid_disks; d++) { in make_discard_request()
5557 d < conf->raid_disks - conf->max_degraded; in make_discard_request()
5751 static sector_t raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks);
5768 int raid_disks = conf->previous_raid_disks; in reshape_request() local
5769 int data_disks = raid_disks - conf->max_degraded; in reshape_request()
5770 int new_data_disks = conf->raid_disks - conf->max_degraded; in reshape_request()
6097 for (i = 0; i < conf->raid_disks; i++) { in raid5_sync_request()
6732 raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks) in raid5_size() argument
6738 if (!raid_disks) in raid5_size()
6740 raid_disks = min(conf->raid_disks, conf->previous_raid_disks); in raid5_size()
6744 return sectors * (raid_disks - conf->max_degraded); in raid5_size()
6764 max(conf->raid_disks, in alloc_scratch_buffer()
6837 conf->scribble_disks = max(conf->raid_disks, in raid5_alloc_percpu()
6904 if (mddev->new_level == 6 && mddev->raid_disks < 4) { in setup_conf()
6906 mdname(mddev), mddev->raid_disks); in setup_conf()
6967 conf->raid_disks = mddev->raid_disks; in setup_conf()
6969 conf->previous_raid_disks = mddev->raid_disks; in setup_conf()
6971 conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks; in setup_conf()
6972 max_disks = max(conf->raid_disks, conf->previous_raid_disks); in setup_conf()
7094 conf->shrinker.seeks = DEFAULT_SEEKS * conf->raid_disks * 4; in setup_conf()
7123 static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded) in only_parity() argument
7131 if (raid_disk >= raid_disks - max_degraded) in only_parity()
7136 raid_disk == raid_disks - 1) in only_parity()
7143 if (raid_disk == raid_disks - 1) in only_parity()
7226 old_disks = mddev->raid_disks - mddev->delta_disks; in raid5_run()
7236 new_data_disks = mddev->raid_disks - max_degraded; in raid5_run()
7314 for (i = 0; i < conf->raid_disks && conf->previous_raid_disks; in raid5_run()
7353 conf->raid_disks, in raid5_run()
7372 mdname(mddev), mddev->degraded, conf->raid_disks); in raid5_run()
7397 mddev->raid_disks-mddev->degraded, mddev->raid_disks, in raid5_run()
7439 (conf->raid_disks - conf->max_degraded)); in raid5_run()
7518 seq_printf (seq, " [%d/%d] [", conf->raid_disks, conf->raid_disks - mddev->degraded); in raid5_status()
7520 for (i = 0; i < conf->raid_disks; i++) { in raid5_status()
7539 conf->raid_disks, in print_raid5_conf()
7540 conf->raid_disks - conf->mddev->degraded); in print_raid5_conf()
7542 for (i = 0; i < conf->raid_disks; i++) { in print_raid5_conf()
7560 for (i = 0; i < conf->raid_disks; i++) { in raid5_spare_active()
7626 if (number >= conf->raid_disks && in raid5_remove_disk()
7642 number < conf->raid_disks) { in raid5_remove_disk()
7687 int last = conf->raid_disks - 1; in raid5_add_disk()
7774 newsize = raid5_size(mddev, sectors, mddev->raid_disks); in raid5_resize()
7839 if (mddev->raid_disks + mddev->delta_disks < min) in check_reshape()
7894 if (raid5_size(mddev, 0, conf->raid_disks + mddev->delta_disks) in raid5_start_reshape()
7904 conf->previous_raid_disks = conf->raid_disks; in raid5_start_reshape()
7905 conf->raid_disks += mddev->delta_disks; in raid5_start_reshape()
7965 mddev->raid_disks = conf->raid_disks; in raid5_start_reshape()
7980 mddev->raid_disks = conf->raid_disks = conf->previous_raid_disks; in raid5_start_reshape()
8010 conf->previous_raid_disks = conf->raid_disks; in end_reshape()
8027 int data_disks = conf->raid_disks - conf->max_degraded; in end_reshape()
8050 for (d = conf->raid_disks ; in raid5_finish_reshape()
8051 d < conf->raid_disks - mddev->delta_disks; in raid5_finish_reshape()
8119 mddev->raid_disks += 1; in raid45_takeover_raid0()
8132 if (mddev->raid_disks != 2 || in raid5_takeover_raid1()
8188 mddev->raid_disks -= 1; in raid5_takeover_raid6()
8216 if (mddev->raid_disks == 2) { in raid5_check_reshape()
8306 if (mddev->raid_disks > 253) in raid6_takeover()
8308 if (mddev->raid_disks < 3) in raid6_takeover()
8336 mddev->raid_disks += 1; in raid6_takeover()