diff options
Diffstat (limited to 'fs/btrfs/block-group.c')
| -rw-r--r-- | fs/btrfs/block-group.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 52e2a05c8345..0bb1cc5f3263 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1752,8 +1752,7 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info) read_extent_buffer(leaf, &bgi, btrfs_item_ptr_offset(leaf, path->slots[0]), sizeof(bgi)); - /* Duplicate as the item is still partially used */ - memcpy(&cache->item, &bgi, sizeof(bgi)); + /* cache::chunk_objectid is unused */ cache->used = btrfs_block_group_used(&bgi); cache->flags = btrfs_block_group_flags(&bgi); if (!mixed && @@ -1879,12 +1878,9 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans) goto next; spin_lock(&block_group->lock); - /* - * Copy partially filled item from the cache and ovewrite used - * that has the correct value - */ - memcpy(&item, &block_group->item, sizeof(item)); btrfs_set_block_group_used(&item, block_group->used); + btrfs_set_block_group_chunk_objectid(&item, + BTRFS_FIRST_CHUNK_TREE_OBJECTID); btrfs_set_block_group_flags(&item, block_group->flags); memcpy(&key, &block_group->key, sizeof(key)); spin_unlock(&block_group->lock); @@ -1919,8 +1915,6 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used, return -ENOMEM; cache->used = bytes_used; - btrfs_set_block_group_chunk_objectid(&cache->item, - BTRFS_FIRST_CHUNK_TREE_OBJECTID); cache->flags = type; cache->last_byte_to_unpin = (u64)-1; cache->cached = BTRFS_CACHE_FINISHED; @@ -2136,9 +2130,9 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans, leaf = path->nodes[0]; bi = btrfs_item_ptr_offset(leaf, path->slots[0]); - /* Partial copy of item, update the rest from memory */ - memcpy(&bgi, &cache->item, sizeof(bgi)); btrfs_set_block_group_used(&bgi, cache->used); + btrfs_set_block_group_chunk_objectid(&bgi, + BTRFS_FIRST_CHUNK_TREE_OBJECTID); btrfs_set_block_group_flags(&bgi, cache->flags); write_extent_buffer(leaf, &bgi, bi, sizeof(bgi)); btrfs_mark_buffer_dirty(leaf); |