diff options
Diffstat (limited to 'fs/btrfs/zoned.c')
-rw-r--r-- | fs/btrfs/zoned.c | 66 |
1 files changed, 22 insertions, 44 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 188378ca19c7..12066afc235c 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -781,7 +781,7 @@ int btrfs_check_zoned_mode(struct btrfs_fs_info *fs_info) * Check mount options here, because we might change fs_info->zoned * from fs_info->zone_size. */ - ret = btrfs_check_mountopts_zoned(fs_info); + ret = btrfs_check_mountopts_zoned(fs_info, &fs_info->mount_opt); if (ret) return ret; @@ -789,7 +789,7 @@ int btrfs_check_zoned_mode(struct btrfs_fs_info *fs_info) return 0; } -int btrfs_check_mountopts_zoned(struct btrfs_fs_info *info) +int btrfs_check_mountopts_zoned(struct btrfs_fs_info *info, unsigned long *mount_opt) { if (!btrfs_is_zoned(info)) return 0; @@ -798,18 +798,21 @@ int btrfs_check_mountopts_zoned(struct btrfs_fs_info *info) * Space cache writing is not COWed. Disable that to avoid write errors * in sequential zones. */ - if (btrfs_test_opt(info, SPACE_CACHE)) { + if (btrfs_raw_test_opt(*mount_opt, SPACE_CACHE)) { btrfs_err(info, "zoned: space cache v1 is not supported"); return -EINVAL; } - if (btrfs_test_opt(info, NODATACOW)) { + if (btrfs_raw_test_opt(*mount_opt, NODATACOW)) { btrfs_err(info, "zoned: NODATACOW not supported"); return -EINVAL; } - btrfs_clear_and_info(info, DISCARD_ASYNC, - "zoned: async discard ignored and disabled for zoned mode"); + if (btrfs_raw_test_opt(*mount_opt, DISCARD_ASYNC)) { + btrfs_info(info, + "zoned: async discard ignored and disabled for zoned mode"); + btrfs_clear_opt(*mount_opt, DISCARD_ASYNC); + } return 0; } @@ -1290,7 +1293,7 @@ struct zone_info { static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx, struct zone_info *info, unsigned long *active, - struct map_lookup *map) + struct btrfs_chunk_map *map) { struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace; struct btrfs_device *device = map->stripes[zone_idx].dev; @@ -1393,7 +1396,7 @@ static int btrfs_load_block_group_single(struct btrfs_block_group *bg, } static int btrfs_load_block_group_dup(struct btrfs_block_group *bg, - struct map_lookup *map, + struct btrfs_chunk_map *map, struct zone_info *zone_info, unsigned long *active) { @@ -1435,7 +1438,7 @@ static int btrfs_load_block_group_dup(struct btrfs_block_group *bg, } static int btrfs_load_block_group_raid1(struct btrfs_block_group *bg, - struct map_lookup *map, + struct btrfs_chunk_map *map, struct zone_info *zone_info, unsigned long *active) { @@ -1483,7 +1486,7 @@ static int btrfs_load_block_group_raid1(struct btrfs_block_group *bg, } static int btrfs_load_block_group_raid0(struct btrfs_block_group *bg, - struct map_lookup *map, + struct btrfs_chunk_map *map, struct zone_info *zone_info, unsigned long *active) { @@ -1515,7 +1518,7 @@ static int btrfs_load_block_group_raid0(struct btrfs_block_group *bg, } static int btrfs_load_block_group_raid10(struct btrfs_block_group *bg, - struct map_lookup *map, + struct btrfs_chunk_map *map, struct zone_info *zone_info, unsigned long *active) { @@ -1552,9 +1555,7 @@ static int btrfs_load_block_group_raid10(struct btrfs_block_group *bg, int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) { struct btrfs_fs_info *fs_info = cache->fs_info; - struct extent_map_tree *em_tree = &fs_info->mapping_tree; - struct extent_map *em; - struct map_lookup *map; + struct btrfs_chunk_map *map; u64 logical = cache->start; u64 length = cache->length; struct zone_info *zone_info = NULL; @@ -1575,17 +1576,11 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) return -EIO; } - /* Get the chunk mapping */ - read_lock(&em_tree->lock); - em = lookup_extent_mapping(em_tree, logical, length); - read_unlock(&em_tree->lock); - - if (!em) + map = btrfs_find_chunk_map(fs_info, logical, length); + if (!map) return -EINVAL; - map = em->map_lookup; - - cache->physical_map = kmemdup(map, map_lookup_size(map->num_stripes), GFP_NOFS); + cache->physical_map = btrfs_clone_chunk_map(map, GFP_NOFS); if (!cache->physical_map) { ret = -ENOMEM; goto out; @@ -1687,12 +1682,11 @@ out: spin_unlock(&fs_info->zone_active_bgs_lock); } } else { - kfree(cache->physical_map); + btrfs_free_chunk_map(cache->physical_map); cache->physical_map = NULL; } bitmap_free(active); kfree(zone_info); - free_extent_map(em); return ret; } @@ -1715,22 +1709,6 @@ void btrfs_calc_zone_unusable(struct btrfs_block_group *cache) cache->zone_unusable = unusable; } -void btrfs_redirty_list_add(struct btrfs_transaction *trans, - struct extent_buffer *eb) -{ - if (!btrfs_is_zoned(eb->fs_info) || - btrfs_header_flag(eb, BTRFS_HEADER_FLAG_WRITTEN)) - return; - - ASSERT(!test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags)); - - memzero_extent_buffer(eb, 0, eb->len); - set_bit(EXTENT_BUFFER_NO_CHECK, &eb->bflags); - set_extent_buffer_dirty(eb); - set_extent_bit(&trans->dirty_pages, eb->start, eb->start + eb->len - 1, - EXTENT_DIRTY, NULL); -} - bool btrfs_use_zone_append(struct btrfs_bio *bbio) { u64 start = (bbio->bio.bi_iter.bi_sector << SECTOR_SHIFT); @@ -2082,7 +2060,7 @@ int btrfs_sync_zone_write_pointer(struct btrfs_device *tgt_dev, u64 logical, bool btrfs_zone_activate(struct btrfs_block_group *block_group) { struct btrfs_fs_info *fs_info = block_group->fs_info; - struct map_lookup *map; + struct btrfs_chunk_map *map; struct btrfs_device *device; u64 physical; const bool is_data = (block_group->flags & BTRFS_BLOCK_GROUP_DATA); @@ -2194,7 +2172,7 @@ static void wait_eb_writebacks(struct btrfs_block_group *block_group) static int do_zone_finish(struct btrfs_block_group *block_group, bool fully_written) { struct btrfs_fs_info *fs_info = block_group->fs_info; - struct map_lookup *map; + struct btrfs_chunk_map *map; const bool is_metadata = (block_group->flags & (BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_SYSTEM)); int ret = 0; @@ -2643,7 +2621,7 @@ void btrfs_check_active_zone_reservation(struct btrfs_fs_info *fs_info) /* Release reservation for currently active block groups. */ spin_lock(&fs_info->zone_active_bgs_lock); list_for_each_entry(block_group, &fs_info->zone_active_bgs, active_bg_list) { - struct map_lookup *map = block_group->physical_map; + struct btrfs_chunk_map *map = block_group->physical_map; if (!(block_group->flags & (BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_SYSTEM))) |