Lines Matching full:zone
33 * blocks indicating zone block validity.
39 * the first conventional zone found on disk.
87 * and give the zone ID (dzone_id) mapping the chunk on disk.
88 * This zone may be sequential or random. If it is a sequential
89 * zone, a second zone (bzone_id) used as a write buffer may
90 * also be specified. This second zone will always be a randomly
91 * writeable zone.
137 struct dm_zone *zone; member
174 /* Zone information array */
192 /* Zone allocation management */
221 static unsigned int dmz_dev_zone_id(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_dev_zone_id() argument
223 if (WARN_ON(!zone)) in dmz_dev_zone_id()
226 return zone->id - zone->dev->zone_offset; in dmz_dev_zone_id()
229 sector_t dmz_start_sect(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_start_sect() argument
231 unsigned int zone_id = dmz_dev_zone_id(zmd, zone); in dmz_start_sect()
236 sector_t dmz_start_block(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_start_block() argument
238 unsigned int zone_id = dmz_dev_zone_id(zmd, zone); in dmz_start_block()
306 struct dm_zone *zone = kzalloc(sizeof(struct dm_zone), GFP_KERNEL); in dmz_insert() local
308 if (!zone) in dmz_insert()
311 if (xa_insert(&zmd->zones, zone_id, zone, GFP_KERNEL)) { in dmz_insert()
312 kfree(zone); in dmz_insert()
316 INIT_LIST_HEAD(&zone->link); in dmz_insert()
317 atomic_set(&zone->refcount, 0); in dmz_insert()
318 zone->id = zone_id; in dmz_insert()
319 zone->chunk = DMZ_MAP_UNMAPPED; in dmz_insert()
320 zone->dev = dev; in dmz_insert()
322 return zone; in dmz_insert()
354 * The map lock also protects all the zone lists.
370 * the map lock and zone state management (active and reclaim state are
788 sb_block = zmd->sb[set].zone->id << zmd->zone_nr_blocks_shift; in dmz_write_sb()
1011 if (sb_block != (u64)dsb->zone->id << zmd->zone_nr_blocks_shift) { in dmz_check_sb()
1013 sb_block, (u64)dsb->zone->id << zmd->zone_nr_blocks_shift); in dmz_check_sb()
1111 unsigned int zone_id = zmd->sb[0].zone->id; in dmz_lookup_secondary_sb()
1124 zmd->sb[1].zone = dmz_get(zmd, zone_id + 1); in dmz_lookup_secondary_sb()
1132 zmd->sb[1].zone = dmz_get(zmd, zone_id + i); in dmz_lookup_secondary_sb()
1137 zmd->sb[1].zone = NULL; in dmz_lookup_secondary_sb()
1183 zmd->sb[0].block = dmz_start_block(zmd, zmd->sb[0].zone); in dmz_recover_mblocks()
1185 zmd->sb[1].block = dmz_start_block(zmd, zmd->sb[1].zone); in dmz_recover_mblocks()
1229 if (!zmd->sb[0].zone) { in dmz_load_sb()
1230 dmz_zmd_err(zmd, "Primary super block zone not set"); in dmz_load_sb()
1235 zmd->sb[0].block = dmz_start_block(zmd, zmd->sb[0].zone); in dmz_load_sb()
1236 zmd->sb[0].dev = zmd->sb[0].zone->dev; in dmz_load_sb()
1248 if (!zmd->sb[1].zone) { in dmz_load_sb()
1250 zmd->sb[0].zone->id + zmd->nr_meta_zones; in dmz_load_sb()
1252 zmd->sb[1].zone = dmz_get(zmd, zone_id); in dmz_load_sb()
1254 zmd->sb[1].block = dmz_start_block(zmd, zmd->sb[1].zone); in dmz_load_sb()
1319 sb->zone = dmz_get(zmd, zmd->dev[i].zone_offset); in dmz_load_sb()
1321 if (!dmz_is_meta(sb->zone)) { in dmz_load_sb()
1323 "Tertiary super block zone %u not marked as metadata zone", in dmz_load_sb()
1324 sb->zone->id); in dmz_load_sb()
1347 * Initialize a zone descriptor.
1354 struct dm_zone *zone; in dmz_init_zone() local
1356 zone = dmz_insert(zmd, idx, dev); in dmz_init_zone()
1357 if (IS_ERR(zone)) in dmz_init_zone()
1358 return PTR_ERR(zone); in dmz_init_zone()
1362 /* Ignore the eventual runt (smaller) zone */ in dmz_init_zone()
1363 set_bit(DMZ_OFFLINE, &zone->flags); in dmz_init_zone()
1371 * Devices that have zones with a capacity smaller than the zone size in dmz_init_zone()
1379 set_bit(DMZ_RND, &zone->flags); in dmz_init_zone()
1383 set_bit(DMZ_SEQ, &zone->flags); in dmz_init_zone()
1389 if (dmz_is_rnd(zone)) in dmz_init_zone()
1390 zone->wp_block = 0; in dmz_init_zone()
1392 zone->wp_block = dmz_sect2blk(blkz->wp - blkz->start); in dmz_init_zone()
1395 set_bit(DMZ_OFFLINE, &zone->flags); in dmz_init_zone()
1397 set_bit(DMZ_READ_ONLY, &zone->flags); in dmz_init_zone()
1400 if (dmz_is_rnd(zone)) { in dmz_init_zone()
1402 if (zmd->nr_devs == 1 && !zmd->sb[0].zone) { in dmz_init_zone()
1403 /* Primary super block zone */ in dmz_init_zone()
1404 zmd->sb[0].zone = zone; in dmz_init_zone()
1411 * as metadata zone. in dmz_init_zone()
1413 set_bit(DMZ_META, &zone->flags); in dmz_init_zone()
1425 struct dm_zone *zone; in dmz_emulate_zones() local
1427 zone = dmz_insert(zmd, idx, dev); in dmz_emulate_zones()
1428 if (IS_ERR(zone)) in dmz_emulate_zones()
1429 return PTR_ERR(zone); in dmz_emulate_zones()
1430 set_bit(DMZ_CACHE, &zone->flags); in dmz_emulate_zones()
1431 zone->wp_block = 0; in dmz_emulate_zones()
1435 /* Disable runt zone */ in dmz_emulate_zones()
1436 set_bit(DMZ_OFFLINE, &zone->flags); in dmz_emulate_zones()
1452 struct dm_zone *zone = xa_load(&zmd->zones, idx); in dmz_drop_zones() local
1454 kfree(zone); in dmz_drop_zones()
1461 * Allocate and initialize zone descriptors using the zone
1480 /* Allocate zone array */ in dmz_init_zones()
1503 DMDEBUG("(%s): Using %zu B for zone information", in dmz_init_zones()
1516 * Primary superblock zone is always at zone 0 when multiple in dmz_init_zones()
1519 zmd->sb[0].zone = dmz_get(zmd, 0); in dmz_init_zones()
1538 * Get zone information and initialize zone descriptors. At the same in dmz_init_zones()
1540 * first randomly writable zone. in dmz_init_zones()
1557 struct dm_zone *zone = data; in dmz_update_zone_cb() local
1559 clear_bit(DMZ_OFFLINE, &zone->flags); in dmz_update_zone_cb()
1560 clear_bit(DMZ_READ_ONLY, &zone->flags); in dmz_update_zone_cb()
1562 set_bit(DMZ_OFFLINE, &zone->flags); in dmz_update_zone_cb()
1564 set_bit(DMZ_READ_ONLY, &zone->flags); in dmz_update_zone_cb()
1566 if (dmz_is_seq(zone)) in dmz_update_zone_cb()
1567 zone->wp_block = dmz_sect2blk(blkz->wp - blkz->start); in dmz_update_zone_cb()
1569 zone->wp_block = 0; in dmz_update_zone_cb()
1574 * Update a zone information.
1576 static int dmz_update_zone(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_update_zone() argument
1578 struct dmz_dev *dev = zone->dev; in dmz_update_zone()
1586 * Get zone information from disk. Since blkdev_report_zones() uses in dmz_update_zone()
1592 ret = blkdev_report_zones(dev->bdev, dmz_start_sect(zmd, zone), 1, in dmz_update_zone()
1593 dmz_update_zone_cb, zone); in dmz_update_zone()
1599 dmz_dev_err(dev, "Get zone %u report failed", in dmz_update_zone()
1600 zone->id); in dmz_update_zone()
1609 * Check a zone write pointer position when the zone is marked
1613 struct dm_zone *zone) in dmz_handle_seq_write_err() argument
1615 struct dmz_dev *dev = zone->dev; in dmz_handle_seq_write_err()
1619 wp = zone->wp_block; in dmz_handle_seq_write_err()
1620 ret = dmz_update_zone(zmd, zone); in dmz_handle_seq_write_err()
1624 dmz_dev_warn(dev, "Processing zone %u write error (zone wp %u/%u)", in dmz_handle_seq_write_err()
1625 zone->id, zone->wp_block, wp); in dmz_handle_seq_write_err()
1627 if (zone->wp_block < wp) { in dmz_handle_seq_write_err()
1628 dmz_invalidate_blocks(zmd, zone, zone->wp_block, in dmz_handle_seq_write_err()
1629 wp - zone->wp_block); in dmz_handle_seq_write_err()
1636 * Reset a zone write pointer.
1638 static int dmz_reset_zone(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_reset_zone() argument
1646 if (dmz_is_offline(zone) || in dmz_reset_zone()
1647 dmz_is_readonly(zone) || in dmz_reset_zone()
1648 dmz_is_rnd(zone)) in dmz_reset_zone()
1651 if (!dmz_is_empty(zone) || dmz_seq_write_err(zone)) { in dmz_reset_zone()
1652 struct dmz_dev *dev = zone->dev; in dmz_reset_zone()
1657 dmz_start_sect(zmd, zone), in dmz_reset_zone()
1661 dmz_dev_err(dev, "Reset zone %u failed %d", in dmz_reset_zone()
1662 zone->id, ret); in dmz_reset_zone()
1668 clear_bit(DMZ_SEQ_WRITE_ERR, &zone->flags); in dmz_reset_zone()
1669 zone->wp_block = 0; in dmz_reset_zone()
1674 static void dmz_get_zone_weight(struct dmz_metadata *zmd, struct dm_zone *zone);
1694 /* Get chunk mapping table blocks and initialize zone mapping */ in dmz_load_mapping()
1707 /* Check data zone */ in dmz_load_mapping()
1713 dmz_zmd_err(zmd, "Chunk %u mapping: invalid data zone ID %u", in dmz_load_mapping()
1720 dmz_zmd_err(zmd, "Chunk %u mapping: data zone %u not present", in dmz_load_mapping()
1735 /* Check buffer zone */ in dmz_load_mapping()
1741 dmz_zmd_err(zmd, "Chunk %u mapping: invalid buffer zone ID %u", in dmz_load_mapping()
1748 dmz_zmd_err(zmd, "Chunk %u mapping: buffer zone %u not present", in dmz_load_mapping()
1753 dmz_zmd_err(zmd, "Chunk %u mapping: invalid buffer zone %u", in dmz_load_mapping()
1801 /* Unmapped data zone */ in dmz_load_mapping()
1843 * This rotates a zone at the end of its map list.
1845 static void __dmz_lru_zone(struct dmz_metadata *zmd, struct dm_zone *zone) in __dmz_lru_zone() argument
1847 if (list_empty(&zone->link)) in __dmz_lru_zone()
1850 list_del_init(&zone->link); in __dmz_lru_zone()
1851 if (dmz_is_seq(zone)) { in __dmz_lru_zone()
1852 /* LRU rotate sequential zone */ in __dmz_lru_zone()
1853 list_add_tail(&zone->link, &zone->dev->map_seq_list); in __dmz_lru_zone()
1854 } else if (dmz_is_cache(zone)) { in __dmz_lru_zone()
1855 /* LRU rotate cache zone */ in __dmz_lru_zone()
1856 list_add_tail(&zone->link, &zmd->map_cache_list); in __dmz_lru_zone()
1858 /* LRU rotate random zone */ in __dmz_lru_zone()
1859 list_add_tail(&zone->link, &zone->dev->map_rnd_list); in __dmz_lru_zone()
1865 * in LRU order. This rotates a zone at the end of the list.
1867 static void dmz_lru_zone(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_lru_zone() argument
1869 __dmz_lru_zone(zmd, zone); in dmz_lru_zone()
1870 if (zone->bzone) in dmz_lru_zone()
1871 __dmz_lru_zone(zmd, zone->bzone); in dmz_lru_zone()
1875 * Wait for any zone to be freed.
1893 * Lock a zone for reclaim (set the zone RECLAIM bit).
1894 * Returns false if the zone cannot be locked or if it is already locked
1897 int dmz_lock_zone_reclaim(struct dm_zone *zone) in dmz_lock_zone_reclaim() argument
1900 if (dmz_is_active(zone)) in dmz_lock_zone_reclaim()
1903 return !test_and_set_bit(DMZ_RECLAIM, &zone->flags); in dmz_lock_zone_reclaim()
1907 * Clear a zone reclaim flag.
1909 void dmz_unlock_zone_reclaim(struct dm_zone *zone) in dmz_unlock_zone_reclaim() argument
1911 WARN_ON(dmz_is_active(zone)); in dmz_unlock_zone_reclaim()
1912 WARN_ON(!dmz_in_reclaim(zone)); in dmz_unlock_zone_reclaim()
1914 clear_bit_unlock(DMZ_RECLAIM, &zone->flags); in dmz_unlock_zone_reclaim()
1916 wake_up_bit(&zone->flags, DMZ_RECLAIM); in dmz_unlock_zone_reclaim()
1920 * Wait for a zone reclaim to complete.
1922 static void dmz_wait_for_reclaim(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_wait_for_reclaim() argument
1926 set_bit(DMZ_RECLAIM_TERMINATE, &zone->flags); in dmz_wait_for_reclaim()
1927 wait_on_bit_timeout(&zone->flags, DMZ_RECLAIM, TASK_UNINTERRUPTIBLE, HZ); in dmz_wait_for_reclaim()
1928 clear_bit(DMZ_RECLAIM_TERMINATE, &zone->flags); in dmz_wait_for_reclaim()
1934 * Select a cache or random write zone for reclaim.
1940 struct dm_zone *zone, *maxw_z = NULL; in dmz_get_rnd_zone_for_reclaim() local
1943 /* If we have cache zones select from the cache zone list */ in dmz_get_rnd_zone_for_reclaim()
1953 * Find the buffer zone with the heaviest weight or the first (oldest) in dmz_get_rnd_zone_for_reclaim()
1954 * data zone that can be reclaimed. in dmz_get_rnd_zone_for_reclaim()
1956 list_for_each_entry(zone, zone_list, link) { in dmz_get_rnd_zone_for_reclaim()
1957 if (dmz_is_buf(zone)) { in dmz_get_rnd_zone_for_reclaim()
1958 dzone = zone->bzone; in dmz_get_rnd_zone_for_reclaim()
1964 dzone = zone; in dmz_get_rnd_zone_for_reclaim()
1976 * first zone that can be reclaimed regardless of its weitght. in dmz_get_rnd_zone_for_reclaim()
1978 list_for_each_entry(zone, zone_list, link) { in dmz_get_rnd_zone_for_reclaim()
1979 if (dmz_is_buf(zone)) { in dmz_get_rnd_zone_for_reclaim()
1980 dzone = zone->bzone; in dmz_get_rnd_zone_for_reclaim()
1984 dzone = zone; in dmz_get_rnd_zone_for_reclaim()
1993 * Select a buffered sequential zone for reclaim.
1998 struct dm_zone *zone; in dmz_get_seq_zone_for_reclaim() local
2000 list_for_each_entry(zone, &zmd->dev[idx].map_seq_list, link) { in dmz_get_seq_zone_for_reclaim()
2001 if (!zone->bzone) in dmz_get_seq_zone_for_reclaim()
2003 if (dmz_lock_zone_reclaim(zone)) in dmz_get_seq_zone_for_reclaim()
2004 return zone; in dmz_get_seq_zone_for_reclaim()
2011 * Select a zone for reclaim.
2016 struct dm_zone *zone = NULL; in dmz_get_zone_for_reclaim() local
2019 * Search for a zone candidate to reclaim: 2 cases are possible. in dmz_get_zone_for_reclaim()
2020 * (1) There is no free sequential zones. Then a random data zone in dmz_get_zone_for_reclaim()
2021 * cannot be reclaimed. So choose a sequential zone to reclaim so in dmz_get_zone_for_reclaim()
2022 * that afterward a random zone can be reclaimed. in dmz_get_zone_for_reclaim()
2023 * (2) At least one free sequential zone is available, then choose in dmz_get_zone_for_reclaim()
2024 * the oldest random zone (data or buffer) that can be locked. in dmz_get_zone_for_reclaim()
2028 zone = dmz_get_seq_zone_for_reclaim(zmd, dev_idx); in dmz_get_zone_for_reclaim()
2029 if (!zone) in dmz_get_zone_for_reclaim()
2030 zone = dmz_get_rnd_zone_for_reclaim(zmd, dev_idx, idle); in dmz_get_zone_for_reclaim()
2033 return zone; in dmz_get_zone_for_reclaim()
2037 * Get the zone mapping a chunk, if the chunk is mapped already.
2038 * If no mapping exist and the operation is WRITE, a zone is
2040 * The zone returned will be set to the active state.
2065 /* Allocate a random zone */ in dmz_get_chunk_mapping()
2079 /* The chunk is already mapped: get the mapping zone */ in dmz_get_chunk_mapping()
2102 * If the zone is being reclaimed, the chunk mapping may change in dmz_get_chunk_mapping()
2103 * to a different zone. So wait for reclaim and retry. Otherwise, in dmz_get_chunk_mapping()
2104 * activate the zone (this will prevent reclaim from touching it). in dmz_get_chunk_mapping()
2135 /* Empty buffer zone: reclaim it */ in dmz_put_chunk_mapping()
2142 /* Deactivate the data zone */ in dmz_put_chunk_mapping()
2147 /* Unbuffered inactive empty data zone: reclaim it */ in dmz_put_chunk_mapping()
2156 * Allocate and map a random zone to buffer a chunk
2157 * already mapped to a sequential zone.
2171 /* Allocate a random zone */ in dmz_get_chunk_buffer()
2200 * Get an unmapped (free) zone.
2207 struct dm_zone *zone; in dmz_alloc_zone() local
2227 * No free zone: return NULL if this is for not reclaim. in dmz_alloc_zone()
2243 zone = list_first_entry_or_null(&zmd->reserved_seq_zones_list, in dmz_alloc_zone()
2245 if (zone) { in dmz_alloc_zone()
2246 list_del_init(&zone->link); in dmz_alloc_zone()
2249 return zone; in dmz_alloc_zone()
2252 zone = list_first_entry(list, struct dm_zone, link); in dmz_alloc_zone()
2253 list_del_init(&zone->link); in dmz_alloc_zone()
2255 if (dmz_is_cache(zone)) in dmz_alloc_zone()
2257 else if (dmz_is_rnd(zone)) in dmz_alloc_zone()
2258 atomic_dec(&zone->dev->unmap_nr_rnd); in dmz_alloc_zone()
2260 atomic_dec(&zone->dev->unmap_nr_seq); in dmz_alloc_zone()
2262 if (dmz_is_offline(zone)) { in dmz_alloc_zone()
2263 dmz_zmd_warn(zmd, "Zone %u is offline", zone->id); in dmz_alloc_zone()
2264 zone = NULL; in dmz_alloc_zone()
2267 if (dmz_is_meta(zone)) { in dmz_alloc_zone()
2268 dmz_zmd_warn(zmd, "Zone %u has metadata", zone->id); in dmz_alloc_zone()
2269 zone = NULL; in dmz_alloc_zone()
2272 return zone; in dmz_alloc_zone()
2276 * Free a zone.
2279 void dmz_free_zone(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_free_zone() argument
2281 /* If this is a sequential zone, reset it */ in dmz_free_zone()
2282 if (dmz_is_seq(zone)) in dmz_free_zone()
2283 dmz_reset_zone(zmd, zone); in dmz_free_zone()
2285 /* Return the zone to its type unmap list */ in dmz_free_zone()
2286 if (dmz_is_cache(zone)) { in dmz_free_zone()
2287 list_add_tail(&zone->link, &zmd->unmap_cache_list); in dmz_free_zone()
2289 } else if (dmz_is_rnd(zone)) { in dmz_free_zone()
2290 list_add_tail(&zone->link, &zone->dev->unmap_rnd_list); in dmz_free_zone()
2291 atomic_inc(&zone->dev->unmap_nr_rnd); in dmz_free_zone()
2292 } else if (dmz_is_reserved(zone)) { in dmz_free_zone()
2293 list_add_tail(&zone->link, &zmd->reserved_seq_zones_list); in dmz_free_zone()
2296 list_add_tail(&zone->link, &zone->dev->unmap_seq_list); in dmz_free_zone()
2297 atomic_inc(&zone->dev->unmap_nr_seq); in dmz_free_zone()
2304 * Map a chunk to a zone.
2323 * Unmap a zone.
2326 void dmz_unmap_zone(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_unmap_zone() argument
2328 unsigned int chunk = zone->chunk; in dmz_unmap_zone()
2336 if (test_and_clear_bit(DMZ_BUF, &zone->flags)) { in dmz_unmap_zone()
2338 * Unmapping the chunk buffer zone: clear only in dmz_unmap_zone()
2341 dzone_id = zone->bzone->id; in dmz_unmap_zone()
2342 zone->bzone->bzone = NULL; in dmz_unmap_zone()
2343 zone->bzone = NULL; in dmz_unmap_zone()
2347 * Unmapping the chunk data zone: the zone must in dmz_unmap_zone()
2350 if (WARN_ON(zone->bzone)) { in dmz_unmap_zone()
2351 zone->bzone->bzone = NULL; in dmz_unmap_zone()
2352 zone->bzone = NULL; in dmz_unmap_zone()
2359 zone->chunk = DMZ_MAP_UNMAPPED; in dmz_unmap_zone()
2360 list_del_init(&zone->link); in dmz_unmap_zone()
2396 * Get the bitmap block storing the bit for chunk_block in zone.
2399 struct dm_zone *zone, in dmz_get_bitmap() argument
2403 (sector_t)(zone->id * zmd->zone_nr_bitmap_blocks) + in dmz_get_bitmap()
2455 /* Get a valid region from the source zone */ in dmz_merge_valid_blocks()
2474 int dmz_validate_blocks(struct dmz_metadata *zmd, struct dm_zone *zone, in dmz_validate_blocks() argument
2482 dmz_zmd_debug(zmd, "=> VALIDATE zone %u, block %llu, %u blocks", in dmz_validate_blocks()
2483 zone->id, (unsigned long long)chunk_block, in dmz_validate_blocks()
2490 mblk = dmz_get_bitmap(zmd, zone, chunk_block); in dmz_validate_blocks()
2509 if (likely(zone->weight + n <= zone_nr_blocks)) in dmz_validate_blocks()
2510 zone->weight += n; in dmz_validate_blocks()
2512 dmz_zmd_warn(zmd, "Zone %u: weight %u should be <= %u", in dmz_validate_blocks()
2513 zone->id, zone->weight, in dmz_validate_blocks()
2515 zone->weight = zone_nr_blocks; in dmz_validate_blocks()
2555 int dmz_invalidate_blocks(struct dmz_metadata *zmd, struct dm_zone *zone, in dmz_invalidate_blocks() argument
2562 dmz_zmd_debug(zmd, "=> INVALIDATE zone %u, block %llu, %u blocks", in dmz_invalidate_blocks()
2563 zone->id, (u64)chunk_block, nr_blocks); in dmz_invalidate_blocks()
2569 mblk = dmz_get_bitmap(zmd, zone, chunk_block); in dmz_invalidate_blocks()
2589 if (zone->weight >= n) in dmz_invalidate_blocks()
2590 zone->weight -= n; in dmz_invalidate_blocks()
2592 dmz_zmd_warn(zmd, "Zone %u: weight %u should be >= %u", in dmz_invalidate_blocks()
2593 zone->id, zone->weight, n); in dmz_invalidate_blocks()
2594 zone->weight = 0; in dmz_invalidate_blocks()
2603 static int dmz_test_block(struct dmz_metadata *zmd, struct dm_zone *zone, in dmz_test_block() argument
2612 mblk = dmz_get_bitmap(zmd, zone, chunk_block); in dmz_test_block()
2629 static int dmz_to_next_set_block(struct dmz_metadata *zmd, struct dm_zone *zone, in dmz_to_next_set_block() argument
2643 mblk = dmz_get_bitmap(zmd, zone, chunk_block); in dmz_to_next_set_block()
2672 int dmz_block_valid(struct dmz_metadata *zmd, struct dm_zone *zone, in dmz_block_valid() argument
2677 valid = dmz_test_block(zmd, zone, chunk_block); in dmz_block_valid()
2682 return dmz_to_next_set_block(zmd, zone, chunk_block, in dmz_block_valid()
2687 * Find the first valid block from @chunk_block in @zone.
2692 int dmz_first_valid_block(struct dmz_metadata *zmd, struct dm_zone *zone, in dmz_first_valid_block() argument
2698 ret = dmz_to_next_set_block(zmd, zone, start_block, in dmz_first_valid_block()
2706 return dmz_to_next_set_block(zmd, zone, start_block, in dmz_first_valid_block()
2739 * Get a zone weight.
2741 static void dmz_get_zone_weight(struct dmz_metadata *zmd, struct dm_zone *zone) in dmz_get_zone_weight() argument
2752 mblk = dmz_get_bitmap(zmd, zone, chunk_block); in dmz_get_zone_weight()
2770 zone->weight = n; in dmz_get_zone_weight()
2782 /* Release zone mapping resources */ in dmz_cleanup_metadata()
2826 /* Free the zone descriptors */ in dmz_cleanup_metadata()
2868 struct dm_zone *zone; in dmz_ctr_metadata() local
2896 /* Initialize zone descriptors */ in dmz_ctr_metadata()
2908 zone = dmz_get(zmd, zmd->sb[0].zone->id + i); in dmz_ctr_metadata()
2909 if (!zone) { in dmz_ctr_metadata()
2911 "metadata zone %u not present", i); in dmz_ctr_metadata()
2915 if (!dmz_is_rnd(zone) && !dmz_is_cache(zone)) { in dmz_ctr_metadata()
2917 "metadata zone %d is not random", i); in dmz_ctr_metadata()
2921 set_bit(DMZ_META, &zone->flags); in dmz_ctr_metadata()
2978 dmz_zmd_debug(zmd, " %u data zone mapping blocks", in dmz_ctr_metadata()