| /Linux-v5.4/drivers/md/ |
| D | md-linear.c | 30 hi = mddev->raid_disks - 1; in which_dev()
63 for (i = 0; i < conf->raid_disks && !ret ; i++) { in linear_congested()
72 static sector_t linear_size(struct mddev *mddev, sector_t sectors, int raid_disks) in linear_size() argument
78 WARN_ONCE(sectors || raid_disks, in linear_size()
85 static struct linear_conf *linear_conf(struct mddev *mddev, int raid_disks) in linear_conf() argument
92 conf = kzalloc(struct_size(conf, disks, raid_disks), GFP_KERNEL); in linear_conf()
104 if (j < 0 || j >= raid_disks || disk->rdev) { in linear_conf()
126 if (cnt != raid_disks) { in linear_conf()
142 for (i = 1; i < raid_disks; i++) in linear_conf()
158 conf->raid_disks = raid_disks; in linear_conf()
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| D | md-multipath.c | 28 int i, disks = conf->raid_disks; in multipath_map()
144 seq_printf (seq, " [%d/%d] [", conf->raid_disks, in multipath_status()
145 conf->raid_disks - mddev->degraded); in multipath_status()
147 for (i = 0; i < conf->raid_disks; i++) { in multipath_status()
161 for (i = 0; i < mddev->raid_disks ; i++) { in multipath_congested()
185 if (conf->raid_disks - mddev->degraded <= 1) { in multipath_error()
209 conf->raid_disks - mddev->degraded); in multipath_error()
222 pr_debug(" --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded, in print_multipath_conf()
223 conf->raid_disks); in print_multipath_conf()
225 for (i = 0; i < conf->raid_disks; i++) { in print_multipath_conf()
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| D | raid1.c | 116 int size = offsetof(struct r1bio, bios[pi->raid_disks]); in r1bio_pool_alloc()
142 rps = kmalloc_array(pi->raid_disks, sizeof(struct resync_pages), in r1buf_pool_alloc()
150 for (j = pi->raid_disks ; j-- ; ) { in r1buf_pool_alloc()
163 need_pages = pi->raid_disks; in r1buf_pool_alloc()
166 for (j = 0; j < pi->raid_disks; j++) { in r1buf_pool_alloc()
192 while (++j < pi->raid_disks) in r1buf_pool_alloc()
208 for (i = pi->raid_disks; i--; ) { in r1buf_pool_free()
224 for (i = 0; i < conf->raid_disks * 2; i++) { in put_all_bios()
246 for (i = 0; i < conf->raid_disks * 2; i++) { in put_buf()
329 int raid_disks = conf->raid_disks; in find_bio_disk() local
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| D | raid0.c | 36 int raid_disks = conf->strip_zone[0].nb_dev; in raid0_congested() local
39 for (i = 0; i < raid_disks && !ret ; i++) { in raid0_congested()
57 int raid_disks = conf->strip_zone[0].nb_dev; in dump_zones() local
67 bdevname(conf->devlist[j*raid_disks in dump_zones()
181 mddev->raid_disks), in create_strip_zones()
216 if (j >= mddev->raid_disks) { in create_strip_zones()
232 if (cnt != mddev->raid_disks) { in create_strip_zones()
234 mdname(mddev), cnt, mddev->raid_disks); in create_strip_zones()
248 dev = conf->devlist + i * mddev->raid_disks; in create_strip_zones()
332 int raid_disks = conf->strip_zone[0].nb_dev; in map_sector() local
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| D | dm-raid.c | 234 int raid_disks; member
727 mddev->raid_disks = rs->raid_disks; in rs_set_new()
750 rs->raid_disks = raid_devs; in raid_set_alloc()
756 rs->md.raid_disks = raid_devs; in raid_set_alloc()
789 for (i = 0; i < rs->raid_disks; i++) { in raid_set_free()
829 for (i = 0; i < rs->raid_disks; i++) { in parse_dev_params()
1004 for (i = 0; i < rs->md.raid_disks; i++) in validate_raid_redundancy()
1013 if (rebuild_cnt >= rs->md.raid_disks) in validate_raid_redundancy()
1047 for (i = 0; i < rs->md.raid_disks; i++) { in validate_raid_redundancy()
1070 group_size = (rs->md.raid_disks / copies); in validate_raid_redundancy()
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| D | raid10.c | 571 last_far_set_start = (geo->raid_disks / geo->far_set_size) - 1; in __raid10_find_phys()
575 last_far_set_size += (geo->raid_disks % geo->far_set_size); in __raid10_find_phys()
583 dev = sector_div(stripe, geo->raid_disks); in __raid10_find_phys()
602 if ((geo->raid_disks % geo->far_set_size) && in __raid10_find_phys()
617 if (dev >= geo->raid_disks) { in __raid10_find_phys()
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()
656 far_set_size += (geo->raid_disks % geo->far_set_size); in raid10_find_virt()
679 vchunk = chunk * geo->raid_disks + dev; in raid10_find_virt()
862 (i < conf->geo.raid_disks || i < conf->prev.raid_disks) in raid10_congested()
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| D | raid5.c | 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()
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| D | raid1.h | 65 int raid_disks; member
73 int raid_disks; member
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| D | raid5-ppl.c | 620 int raid_disks = conf->raid_disks; in ppl_do_flush() local
624 atomic_set(&io->pending_flushes, raid_disks); in ppl_do_flush()
626 for_each_set_bit(i, &log->disk_flush_bitmap, raid_disks) { in ppl_do_flush()
656 for (i = flushed_disks ; i < raid_disks; i++) { in ppl_do_flush()
829 data_disks = conf->raid_disks - conf->max_degraded; in ppl_recover_entry()
836 data_disks = conf->raid_disks - conf->max_degraded; in ppl_recover_entry()
1365 if (conf->raid_disks > max_disks) { in ppl_init_log()
1383 ret = mempool_init(&ppl_conf->io_pool, conf->raid_disks, ppl_io_pool_alloc, in ppl_init_log()
1388 ret = bioset_init(&ppl_conf->bs, conf->raid_disks, 0, BIOSET_NEED_BVECS); in ppl_init_log()
1392 ret = bioset_init(&ppl_conf->flush_bs, conf->raid_disks, 0, 0); in ppl_init_log()
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| D | md.c | 596 if (!mddev->raid_disks && list_empty(&mddev->disks) && in mddev_put()
1132 if (sb->raid_disks <= 0) in super_90_load()
1204 if (mddev->raid_disks == 0) { in super_90_validate()
1215 mddev->raid_disks = sb->raid_disks; in super_90_validate()
1325 int next_spare = mddev->raid_disks; in super_90_sync()
1358 sb->raid_disks = mddev->raid_disks; in super_90_sync()
1442 for (i=0 ; i < mddev->raid_disks ; i++) { in super_90_sync()
1706 if (mddev->raid_disks == 0) { in super_1_validate()
1716 mddev->raid_disks = le32_to_cpu(sb->raid_disks); in super_1_validate()
1893 sb->raid_disks = cpu_to_le32(mddev->raid_disks); in super_1_sync()
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| D | md-linear.h | 14 int raid_disks; /* a copy of mddev->raid_disks */ member
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| D | md-multipath.h | 12 int raid_disks; member
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| D | raid10.h | 36 int raid_disks; member
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| D | md-faulty.c | 283 static sector_t faulty_size(struct mddev *mddev, sector_t sectors, int raid_disks) in faulty_size() argument
285 WARN_ONCE(raid_disks, in faulty_size()
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| D | md.h | 309 int raid_disks; member
572 sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks);
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| D | raid5.h | 574 int raid_disks; member
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| D | raid5-cache.c | 408 (conf->raid_disks - conf->max_degraded) * (conf->group_cnt + 1)); in r5c_log_required_to_flush_cache()
3086 conf->raid_disks) > PAGE_SIZE) { in r5l_init_log()
3088 mdname(conf->mddev), conf->raid_disks); in r5l_init_log()
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| /Linux-v5.4/init/ |
| D | do_mounts_md.c | 194 ainfo.raid_disks =0; in md_setup_drive()
195 while (devices[ainfo.raid_disks]) in md_setup_drive()
196 ainfo.raid_disks++; in md_setup_drive()
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| /Linux-v5.4/include/uapi/linux/raid/ |
| D | md_p.h | 149 __u32 raid_disks; /* 10 disks in a fully functional raid set */ member
245 __le32 raid_disks; member
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| D | md_u.h | 88 int raid_disks; member
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| /Linux-v5.4/Documentation/admin-guide/ |
| D | md.rst | 170 ``raid_disks != 0``.
201 raid_disks
244 attributes mentioned above (raid_disks, chunk_size, layout) can
542 ``raid_disks`` number for the array indicating which position
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