imsm: add functions to get and set imsm dev size
Signed-off-by: Mariusz Dabrowski <mariusz.dabrowski@intel.com> Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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@ -1201,6 +1201,13 @@ static unsigned long long num_data_stripes(struct imsm_map *map)
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return join_u32(map->num_data_stripes_lo, map->num_data_stripes_hi);
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}
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static unsigned long long imsm_dev_size(struct imsm_dev *dev)
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{
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if (dev == NULL)
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return 0;
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return join_u32(dev->size_low, dev->size_high);
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}
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static void set_total_blocks(struct imsm_disk *disk, unsigned long long n)
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{
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split_ull(n, &disk->total_blocks_lo, &disk->total_blocks_hi);
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@ -1221,6 +1228,11 @@ static void set_num_data_stripes(struct imsm_map *map, unsigned long long n)
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split_ull(n, &map->num_data_stripes_lo, &map->num_data_stripes_hi);
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}
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static void set_imsm_dev_size(struct imsm_dev *dev, unsigned long long n)
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{
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split_ull(n, &dev->size_low, &dev->size_high);
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}
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static struct extent *get_extents(struct intel_super *super, struct dl *dl)
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{
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/* find a list of used extents on the given physical device */
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@ -1503,9 +1515,7 @@ static void print_imsm_dev(struct intel_super *super,
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} else
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printf(" This Slot : ?\n");
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printf(" Sector Size : %u\n", super->sector_size);
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sz = __le32_to_cpu(dev->size_high);
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sz <<= 32;
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sz += __le32_to_cpu(dev->size_low);
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sz = imsm_dev_size(dev);
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printf(" Array Size : %llu%s\n",
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(unsigned long long)sz * 512 / super->sector_size,
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human_size(sz * 512));
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@ -1634,8 +1644,7 @@ void convert_to_4k(struct intel_super *super)
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struct imsm_dev *dev = __get_imsm_dev(mpb, i);
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struct imsm_map *map = get_imsm_map(dev, MAP_0);
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/* dev */
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split_ull((join_u32(dev->size_low, dev->size_high)/IMSM_4K_DIV),
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&dev->size_low, &dev->size_high);
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set_imsm_dev_size(dev, imsm_dev_size(dev)/IMSM_4K_DIV);
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dev->vol.curr_migr_unit /= IMSM_4K_DIV;
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/* map0 */
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@ -1762,8 +1771,7 @@ void convert_from_4k(struct intel_super *super)
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struct imsm_dev *dev = __get_imsm_dev(mpb, i);
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struct imsm_map *map = get_imsm_map(dev, MAP_0);
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/* dev */
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split_ull((join_u32(dev->size_low, dev->size_high)*IMSM_4K_DIV),
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&dev->size_low, &dev->size_high);
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set_imsm_dev_size(dev, imsm_dev_size(dev)*IMSM_4K_DIV);
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dev->vol.curr_migr_unit *= IMSM_4K_DIV;
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/* map0 */
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@ -3240,9 +3248,7 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info,
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info->array.chunk_size =
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__le16_to_cpu(map_to_analyse->blocks_per_strip) << 9;
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info->array.state = !(dev->vol.dirty & RAIDVOL_DIRTY);
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info->custom_array_size = __le32_to_cpu(dev->size_high);
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info->custom_array_size <<= 32;
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info->custom_array_size |= __le32_to_cpu(dev->size_low);
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info->custom_array_size = imsm_dev_size(dev);
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info->recovery_blocked = imsm_reshape_blocks_arrays_changes(st->sb);
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if (is_gen_migration(dev)) {
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@ -5370,8 +5376,7 @@ static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info,
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array_blocks = round_size_to_mb(array_blocks, data_disks);
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size_per_member = array_blocks / data_disks;
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dev->size_low = __cpu_to_le32((__u32) array_blocks);
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dev->size_high = __cpu_to_le32((__u32) (array_blocks >> 32));
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set_imsm_dev_size(dev, array_blocks);
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dev->status = (DEV_READ_COALESCING | DEV_WRITE_COALESCING);
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vol = &dev->vol;
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vol->migr_state = 0;
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@ -7733,7 +7738,7 @@ static struct mdinfo *container_content_imsm(struct supertype *st, char *subarra
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level, /* RAID level */
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imsm_level_to_layout(level),
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map->num_members, /* raid disks */
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&chunk, join_u32(dev->size_low, dev->size_high),
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&chunk, imsm_dev_size(dev),
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1 /* verbose */)) {
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pr_err("IMSM RAID geometry validation failed. Array %s activation is blocked.\n",
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dev->volume);
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@ -8143,9 +8148,7 @@ static unsigned long long imsm_set_array_size(struct imsm_dev *dev,
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/* when problems occures
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* return current array_blocks value
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*/
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array_blocks = __le32_to_cpu(dev->size_high);
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array_blocks = array_blocks << 32;
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array_blocks += __le32_to_cpu(dev->size_low);
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array_blocks = imsm_dev_size(dev);
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return array_blocks;
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}
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@ -8165,8 +8168,7 @@ static unsigned long long imsm_set_array_size(struct imsm_dev *dev,
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}
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array_blocks = round_size_to_mb(array_blocks, used_disks);
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dev->size_low = __cpu_to_le32((__u32)array_blocks);
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dev->size_high = __cpu_to_le32((__u32)(array_blocks >> 32));
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set_imsm_dev_size(dev, array_blocks);
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return array_blocks;
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}
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@ -9139,8 +9141,7 @@ static int apply_reshape_migration_update(struct imsm_update_reshape_migration *
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map->blocks_per_strip =
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__cpu_to_le16(u->new_chunksize * 2);
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num_data_stripes =
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(join_u32(dev->size_low, dev->size_high)
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/ used_disks);
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imsm_dev_size(dev) / used_disks;
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num_data_stripes /= map->blocks_per_strip;
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num_data_stripes /= map->num_domains;
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set_num_data_stripes(map, num_data_stripes);
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