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()
1508 sector_t chunk_mask = (conf->geo.chunk_mask & conf->prev.chunk_mask); in raid10_make_request()
1525 && (conf->geo.near_copies < conf->geo.raid_disks in raid10_make_request()
1543 if (conf->geo.near_copies < conf->geo.raid_disks) in raid10_status()
1545 if (conf->geo.near_copies > 1) in raid10_status()
1546 seq_printf(seq, " %d near-copies", conf->geo.near_copies); in raid10_status()
1547 if (conf->geo.far_copies > 1) { in raid10_status()
1548 if (conf->geo.far_offset) in raid10_status()
1549 seq_printf(seq, " %d offset-copies", conf->geo.far_copies); in raid10_status()
1551 seq_printf(seq, " %d far-copies", conf->geo.far_copies); in raid10_status()
1552 if (conf->geo.far_set_size != conf->geo.raid_disks) in raid10_status()
1553 seq_printf(seq, " %d devices per set", conf->geo.far_set_size); in raid10_status()
1555 seq_printf(seq, " [%d/%d] [", conf->geo.raid_disks, in raid10_status()
1556 conf->geo.raid_disks - mddev->degraded); in raid10_status()
1558 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_status()
1580 disks = conf->geo.raid_disks; in _enough()
1581 ncopies = conf->geo.near_copies; in _enough()
1653 mdname(mddev), conf->geo.raid_disks - mddev->degraded); in raid10_error()
1666 pr_debug(" --- wd:%d rd:%d\n", conf->geo.raid_disks - conf->mddev->degraded, in print_conf()
1667 conf->geo.raid_disks); in print_conf()
1671 for (i = 0; i < conf->geo.raid_disks; i++) { in print_conf()
1702 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_spare_active()
1744 int last = conf->geo.raid_disks - 1; in raid10_add_disk()
1761 rdev->saved_raid_disk < conf->geo.raid_disks && in raid10_add_disk()
1836 number < conf->geo.raid_disks && in raid10_remove_disk()
2782 for (i = 0; i < conf->geo.raid_disks; i++) in init_resync()
2843 chunks = conf->geo.raid_disks / conf->geo.near_copies; in raid10_set_cluster_sync_high()
2844 if (conf->geo.raid_disks % conf->geo.near_copies == 0) in raid10_set_cluster_sync_high()
2903 sector_t chunk_mask = conf->geo.chunk_mask; in raid10_sync_request()
2953 else for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
2968 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
2987 if (chunks_skipped >= conf->geo.raid_disks) { in raid10_sync_request()
3001 if (conf->geo.near_copies < conf->geo.raid_disks && in raid10_sync_request()
3033 for (i = 0 ; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
3115 for (j = 0; j < conf->geo.raid_disks; j++) { in raid10_sync_request()
3448 for (i = 0; i < conf->geo.raid_disks; i++) { in raid10_sync_request()
3521 raid_disks = min(conf->geo.raid_disks, in raid10_size()
3526 size = sectors >> conf->geo.chunk_shift; in raid10_size()
3527 sector_div(size, conf->geo.far_copies); in raid10_size()
3529 sector_div(size, conf->geo.near_copies); in raid10_size()
3531 return size << conf->geo.chunk_shift; in raid10_size()
3541 size = size >> conf->geo.chunk_shift; in calc_sectors()
3542 sector_div(size, conf->geo.far_copies); in calc_sectors()
3543 size = size * conf->geo.raid_disks; in calc_sectors()
3544 sector_div(size, conf->geo.near_copies); in calc_sectors()
3552 size = DIV_ROUND_UP_SECTOR_T(size, conf->geo.raid_disks); in calc_sectors()
3554 conf->dev_sectors = size << conf->geo.chunk_shift; in calc_sectors()
3556 if (conf->geo.far_offset) in calc_sectors()
3557 conf->geo.stride = 1 << conf->geo.chunk_shift; in calc_sectors()
3559 sector_div(size, conf->geo.far_copies); in calc_sectors()
3560 conf->geo.stride = size << conf->geo.chunk_shift; in calc_sectors()
3565 static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new) in setup_geo() argument
3596 geo->raid_disks = disks; in setup_geo()
3597 geo->near_copies = nc; in setup_geo()
3598 geo->far_copies = fc; in setup_geo()
3599 geo->far_offset = fo; in setup_geo()
3602 geo->far_set_size = disks; in setup_geo()
3606 geo->far_set_size = disks/fc; in setup_geo()
3607 WARN(geo->far_set_size < fc, in setup_geo()
3611 geo->far_set_size = fc * nc; in setup_geo()
3616 geo->chunk_mask = chunk - 1; in setup_geo()
3617 geo->chunk_shift = ffz(~chunk); in setup_geo()
3639 struct geom geo; in setup_conf() local
3642 copies = setup_geo(&geo, mddev, geo_new); in setup_conf()
3672 conf->geo = geo; in setup_conf()
3685 conf->prev = conf->geo; in setup_conf()
3723 int raid_disks = conf->geo.raid_disks; in raid10_set_io_opt()
3725 if (!(conf->geo.raid_disks % conf->geo.near_copies)) in raid10_set_io_opt()
3726 raid_disks /= conf->geo.near_copies; in raid10_set_io_opt()
3785 if (disk_idx >= conf->geo.raid_disks && in raid10_run()
3835 if (conf->geo.far_copies != 1 && in raid10_run()
3836 conf->geo.far_offset == 0) in raid10_run()
3845 i < conf->geo.raid_disks in raid10_run()
3880 mdname(mddev), conf->geo.raid_disks - mddev->degraded, in raid10_run()
3881 conf->geo.raid_disks); in raid10_run()
3899 after_length = ((1 << conf->geo.chunk_shift) * in raid10_run()
3900 conf->geo.far_copies); in raid10_run()
3964 if (conf->geo.far_copies > 1 && !conf->geo.far_offset) in raid10_resize()
4064 struct geom geo; in raid10_check_reshape() local
4066 if (conf->geo.far_copies != 1 && !conf->geo.far_offset) in raid10_check_reshape()
4069 if (setup_geo(&geo, mddev, geo_start) != conf->copies) in raid10_check_reshape()
4072 if (geo.far_copies > 1 && !geo.far_offset) in raid10_check_reshape()
4076 if (mddev->array_sectors & geo.chunk_mask) in raid10_check_reshape()
4130 if (conf->geo.raid_disks == conf->prev.raid_disks) in calc_degraded()
4134 for (i = 0; i < conf->geo.raid_disks; i++) { in calc_degraded()
4144 if (conf->geo.raid_disks <= conf->prev.raid_disks) in calc_degraded()
4183 after_length = ((1 << conf->geo.chunk_shift) * in raid10_start_reshape()
4184 conf->geo.far_copies); in raid10_start_reshape()
4220 setup_geo(&conf->geo, mddev, geo_start); in raid10_start_reshape()
4242 newsize = raid10_size(mddev, 0, conf->geo.raid_disks); in raid10_start_reshape()
4305 mddev->raid_disks = conf->geo.raid_disks; in raid10_start_reshape()
4329 conf->geo = conf->prev; in raid10_start_reshape()
4330 mddev->raid_disks = conf->geo.raid_disks; in raid10_start_reshape()
4347 static sector_t last_dev_address(sector_t s, struct geom *geo) in last_dev_address() argument
4349 s = (s | geo->chunk_mask) + 1; in last_dev_address()
4350 s >>= geo->chunk_shift; in last_dev_address()
4351 s *= geo->near_copies; in last_dev_address()
4352 s = DIV_ROUND_UP_SECTOR_T(s, geo->raid_disks); in last_dev_address()
4353 s *= geo->far_copies; in last_dev_address()
4354 s <<= geo->chunk_shift; in last_dev_address()
4362 static sector_t first_dev_address(sector_t s, struct geom *geo) in first_dev_address() argument
4364 s >>= geo->chunk_shift; in first_dev_address()
4365 s *= geo->near_copies; in first_dev_address()
4366 sector_div(s, geo->raid_disks); in first_dev_address()
4367 s *= geo->far_copies; in first_dev_address()
4368 s <<= geo->chunk_shift; in first_dev_address()
4451 &conf->geo); in reshape_request()
4463 sector_nr = last & ~(sector_t)(conf->geo.chunk_mask in reshape_request()
4471 next = last_dev_address(conf->reshape_progress, &conf->geo); in reshape_request()
4485 last = sector_nr | (conf->geo.chunk_mask in reshape_request()
4581 __raid10_find_phys(&conf->geo, r10_bio); in reshape_request()
4710 conf->prev = conf->geo; in end_reshape()
4862 for (d = conf->geo.raid_disks ; in raid10_finish_reshape()
4863 d < conf->geo.raid_disks - mddev->delta_disks; in raid10_finish_reshape()
4875 mddev->chunk_sectors = 1 << conf->geo.chunk_shift; in raid10_finish_reshape()