Lines Matching refs:geo
561 static void __raid10_find_phys(struct geom *geo, struct r10bio *r10bio) in __raid10_find_phys() argument
571 last_far_set_start = (geo->raid_disks / geo->far_set_size) - 1; in __raid10_find_phys()
572 last_far_set_start *= geo->far_set_size; in __raid10_find_phys()
574 last_far_set_size = geo->far_set_size; in __raid10_find_phys()
575 last_far_set_size += (geo->raid_disks % geo->far_set_size); in __raid10_find_phys()
578 chunk = r10bio->sector >> geo->chunk_shift; in __raid10_find_phys()
579 sector = r10bio->sector & geo->chunk_mask; in __raid10_find_phys()
581 chunk *= geo->near_copies; in __raid10_find_phys()
583 dev = sector_div(stripe, geo->raid_disks); in __raid10_find_phys()
584 if (geo->far_offset) in __raid10_find_phys()
585 stripe *= geo->far_copies; in __raid10_find_phys()
587 sector += stripe << geo->chunk_shift; in __raid10_find_phys()
590 for (n = 0; n < geo->near_copies; n++) { in __raid10_find_phys()
598 for (f = 1; f < geo->far_copies; f++) { in __raid10_find_phys()
599 set = d / geo->far_set_size; in __raid10_find_phys()
600 d += geo->near_copies; in __raid10_find_phys()
602 if ((geo->raid_disks % geo->far_set_size) && in __raid10_find_phys()
608 d %= geo->far_set_size; in __raid10_find_phys()
609 d += geo->far_set_size * set; in __raid10_find_phys()
611 s += geo->stride; in __raid10_find_phys()
617 if (dev >= geo->raid_disks) { in __raid10_find_phys()
619 sector += (geo->chunk_mask + 1); in __raid10_find_phys()
626 struct geom *geo = &conf->geo; in raid10_find_phys() local
632 geo = &conf->prev; in raid10_find_phys()
636 __raid10_find_phys(geo, r10bio); in raid10_find_phys()
645 struct geom *geo = &conf->geo; in raid10_find_virt() local
646 int far_set_start = (dev / geo->far_set_size) * geo->far_set_size; in raid10_find_virt()
647 int far_set_size = geo->far_set_size; in raid10_find_virt()
650 if (geo->raid_disks % geo->far_set_size) { in raid10_find_virt()
651 last_far_set_start = (geo->raid_disks / geo->far_set_size) - 1; in raid10_find_virt()
652 last_far_set_start *= geo->far_set_size; in raid10_find_virt()
655 far_set_size = geo->far_set_size; in raid10_find_virt()
656 far_set_size += (geo->raid_disks % geo->far_set_size); in raid10_find_virt()
661 offset = sector & geo->chunk_mask; in raid10_find_virt()
662 if (geo->far_offset) { in raid10_find_virt()
664 chunk = sector >> geo->chunk_shift; in raid10_find_virt()
665 fc = sector_div(chunk, geo->far_copies); in raid10_find_virt()
666 dev -= fc * geo->near_copies; in raid10_find_virt()
670 while (sector >= geo->stride) { in raid10_find_virt()
671 sector -= geo->stride; in raid10_find_virt()
672 if (dev < (geo->near_copies + far_set_start)) in raid10_find_virt()
673 dev += far_set_size - geo->near_copies; in raid10_find_virt()
675 dev -= geo->near_copies; in raid10_find_virt()
677 chunk = sector >> geo->chunk_shift; in raid10_find_virt()
679 vchunk = chunk * geo->raid_disks + dev; in raid10_find_virt()
680 sector_div(vchunk, geo->near_copies); in raid10_find_virt()
681 return (vchunk << geo->chunk_shift) + offset; in raid10_find_virt()
717 struct geom *geo = &conf->geo; in read_balance() local
814 if (geo->near_copies > 1 && !pending) in read_balance()
818 else if (geo->far_copies > 1) in read_balance()
1507 sector_t chunk_mask = (conf->geo.chunk_mask & conf->prev.chunk_mask); in raid10_make_request()
1524 && (conf->geo.near_copies < conf->geo.raid_disks in raid10_make_request()
1542 if (conf->geo.near_copies < conf->geo.raid_disks) in raid10_status()
1544 if (conf->geo.near_copies > 1) in raid10_status()
1545 seq_printf(seq, " %d near-copies", conf->geo.near_copies); in raid10_status()
1546 if (conf->geo.far_copies > 1) { in raid10_status()
1547 if (conf->geo.far_offset) in raid10_status()
1548 seq_printf(seq, " %d offset-copies", conf->geo.far_copies); in raid10_status()
1550 seq_printf(seq, " %d far-copies", conf->geo.far_copies); in raid10_status()
1551 if (conf->geo.far_set_size != conf->geo.raid_disks) in raid10_status()
1552 seq_printf(seq, " %d devices per set", conf->geo.far_set_size); in raid10_status()
1554 seq_printf(seq, " [%d/%d] [", conf->geo.raid_disks, in raid10_status()
1555 conf->geo.raid_disks - mddev->degraded); in raid10_status()
1557 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_status()
1579 disks = conf->geo.raid_disks; in _enough()
1580 ncopies = conf->geo.near_copies; in _enough()
1652 mdname(mddev), conf->geo.raid_disks - mddev->degraded); in raid10_error()
1665 pr_debug(" --- wd:%d rd:%d\n", conf->geo.raid_disks - conf->mddev->degraded, in print_conf()
1666 conf->geo.raid_disks); in print_conf()
1670 for (i = 0; i < conf->geo.raid_disks; i++) { in print_conf()
1701 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_spare_active()
1743 int last = conf->geo.raid_disks - 1; in raid10_add_disk()
1760 rdev->saved_raid_disk < conf->geo.raid_disks && in raid10_add_disk()
1832 number < conf->geo.raid_disks && in raid10_remove_disk()
2775 for (i = 0; i < conf->geo.raid_disks; i++) in init_resync()
2836 chunks = conf->geo.raid_disks / conf->geo.near_copies; in raid10_set_cluster_sync_high()
2837 if (conf->geo.raid_disks % conf->geo.near_copies == 0) in raid10_set_cluster_sync_high()
2896 sector_t chunk_mask = conf->geo.chunk_mask; in raid10_sync_request()
2946 else for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
2961 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
2980 if (chunks_skipped >= conf->geo.raid_disks) { in raid10_sync_request()
2994 if (conf->geo.near_copies < conf->geo.raid_disks && in raid10_sync_request()
3026 for (i = 0 ; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
3108 for (j = 0; j < conf->geo.raid_disks; j++) { in raid10_sync_request()
3441 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
3514 raid_disks = min(conf->geo.raid_disks, in raid10_size()
3519 size = sectors >> conf->geo.chunk_shift; in raid10_size()
3520 sector_div(size, conf->geo.far_copies); in raid10_size()
3522 sector_div(size, conf->geo.near_copies); in raid10_size()
3524 return size << conf->geo.chunk_shift; in raid10_size()
3534 size = size >> conf->geo.chunk_shift; in calc_sectors()
3535 sector_div(size, conf->geo.far_copies); in calc_sectors()
3536 size = size * conf->geo.raid_disks; in calc_sectors()
3537 sector_div(size, conf->geo.near_copies); in calc_sectors()
3545 size = DIV_ROUND_UP_SECTOR_T(size, conf->geo.raid_disks); in calc_sectors()
3547 conf->dev_sectors = size << conf->geo.chunk_shift; in calc_sectors()
3549 if (conf->geo.far_offset) in calc_sectors()
3550 conf->geo.stride = 1 << conf->geo.chunk_shift; in calc_sectors()
3552 sector_div(size, conf->geo.far_copies); in calc_sectors()
3553 conf->geo.stride = size << conf->geo.chunk_shift; in calc_sectors()
3558 static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new) in setup_geo() argument
3589 geo->raid_disks = disks; in setup_geo()
3590 geo->near_copies = nc; in setup_geo()
3591 geo->far_copies = fc; in setup_geo()
3592 geo->far_offset = fo; in setup_geo()
3595 geo->far_set_size = disks; in setup_geo()
3599 geo->far_set_size = disks/fc; in setup_geo()
3600 WARN(geo->far_set_size < fc, in setup_geo()
3604 geo->far_set_size = fc * nc; in setup_geo()
3609 geo->chunk_mask = chunk - 1; in setup_geo()
3610 geo->chunk_shift = ffz(~chunk); in setup_geo()
3618 struct geom geo; in setup_conf() local
3621 copies = setup_geo(&geo, mddev, geo_new); in setup_conf()
3651 conf->geo = geo; in setup_conf()
3664 conf->prev = conf->geo; in setup_conf()
3708 int raid_disks = conf->geo.raid_disks; in raid10_set_io_opt()
3710 if (!(conf->geo.raid_disks % conf->geo.near_copies)) in raid10_set_io_opt()
3711 raid_disks /= conf->geo.near_copies; in raid10_set_io_opt()
3770 if (disk_idx >= conf->geo.raid_disks && in raid10_run()
3820 if (conf->geo.far_copies != 1 && in raid10_run()
3821 conf->geo.far_offset == 0) in raid10_run()
3830 i < conf->geo.raid_disks in raid10_run()
3865 mdname(mddev), conf->geo.raid_disks - mddev->degraded, in raid10_run()
3866 conf->geo.raid_disks); in raid10_run()
3884 after_length = ((1 << conf->geo.chunk_shift) * in raid10_run()
3885 conf->geo.far_copies); in raid10_run()
3960 if (conf->geo.far_copies > 1 && !conf->geo.far_offset) in raid10_resize()
4060 struct geom geo; in raid10_check_reshape() local
4062 if (conf->geo.far_copies != 1 && !conf->geo.far_offset) in raid10_check_reshape()
4065 if (setup_geo(&geo, mddev, geo_start) != conf->copies) in raid10_check_reshape()
4068 if (geo.far_copies > 1 && !geo.far_offset) in raid10_check_reshape()
4072 if (mddev->array_sectors & geo.chunk_mask) in raid10_check_reshape()
4126 if (conf->geo.raid_disks == conf->prev.raid_disks) in calc_degraded()
4130 for (i = 0; i < conf->geo.raid_disks; i++) { in calc_degraded()
4140 if (conf->geo.raid_disks <= conf->prev.raid_disks) in calc_degraded()
4179 after_length = ((1 << conf->geo.chunk_shift) * in raid10_start_reshape()
4180 conf->geo.far_copies); in raid10_start_reshape()
4216 setup_geo(&conf->geo, mddev, geo_start); in raid10_start_reshape()
4238 newsize = raid10_size(mddev, 0, conf->geo.raid_disks); in raid10_start_reshape()
4301 mddev->raid_disks = conf->geo.raid_disks; in raid10_start_reshape()
4325 conf->geo = conf->prev; in raid10_start_reshape()
4326 mddev->raid_disks = conf->geo.raid_disks; in raid10_start_reshape()
4343 static sector_t last_dev_address(sector_t s, struct geom *geo) in last_dev_address() argument
4345 s = (s | geo->chunk_mask) + 1; in last_dev_address()
4346 s >>= geo->chunk_shift; in last_dev_address()
4347 s *= geo->near_copies; in last_dev_address()
4348 s = DIV_ROUND_UP_SECTOR_T(s, geo->raid_disks); in last_dev_address()
4349 s *= geo->far_copies; in last_dev_address()
4350 s <<= geo->chunk_shift; in last_dev_address()
4358 static sector_t first_dev_address(sector_t s, struct geom *geo) in first_dev_address() argument
4360 s >>= geo->chunk_shift; in first_dev_address()
4361 s *= geo->near_copies; in first_dev_address()
4362 sector_div(s, geo->raid_disks); in first_dev_address()
4363 s *= geo->far_copies; in first_dev_address()
4364 s <<= geo->chunk_shift; in first_dev_address()
4447 &conf->geo); in reshape_request()
4459 sector_nr = last & ~(sector_t)(conf->geo.chunk_mask in reshape_request()
4467 next = last_dev_address(conf->reshape_progress, &conf->geo); in reshape_request()
4481 last = sector_nr | (conf->geo.chunk_mask in reshape_request()
4577 __raid10_find_phys(&conf->geo, r10_bio); in reshape_request()
4706 conf->prev = conf->geo; in end_reshape()
4858 for (d = conf->geo.raid_disks ; in raid10_finish_reshape()
4859 d < conf->geo.raid_disks - mddev->delta_disks; in raid10_finish_reshape()
4871 mddev->chunk_sectors = 1 << conf->geo.chunk_shift; in raid10_finish_reshape()