On 24.01.2018 04:30, Qu Wenruo wrote:
> @chunk_objectid of btrfs_make_block_group() function is always fixed to
> BTRFS_FIRST_FREE_OBJECTID, so there is no need to pass it as parameter
> explicitly.
>
> Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
> ---
> v2:
> Rebase to devel branch, as I introduced some conflict.
> ---
> cmds-check.c | 5 ++---
> convert/main.c | 4 +---
> ctree.h | 5 ++---
> extent-tree.c | 14 +++++++-------
> mkfs/main.c | 7 +------
> 5 files changed, 13 insertions(+), 22 deletions(-)
>
> diff --git a/cmds-check.c b/cmds-check.c
> index 5fc0ea9d4f4d..99fbafc5538c 100644
> --- a/cmds-check.c
> +++ b/cmds-check.c
> @@ -13088,7 +13088,7 @@ static int repair_chunk_item(struct btrfs_trans_handle *trans,
>
> if (err & REFERENCER_MISSING) {
> ret = btrfs_make_block_group(trans, chunk_root->fs_info, 0,
> - type, chunk_key.objectid, chunk_key.offset, length);
> + type, chunk_key.offset, length);
> if (ret) {
> error("fail to add block group item[%llu %llu]",
> chunk_key.offset, length);
> @@ -13680,8 +13680,7 @@ static int reset_block_groups(struct btrfs_fs_info *fs_info)
>
> chunk = btrfs_item_ptr(leaf, path.slots[0], struct btrfs_chunk);
> btrfs_add_block_group(fs_info, 0,
> - btrfs_chunk_type(leaf, chunk),
> - key.objectid, key.offset,
> + btrfs_chunk_type(leaf, chunk), key.offset,
> btrfs_chunk_length(leaf, chunk));
> set_extent_dirty(&fs_info->free_space_cache, key.offset,
> key.offset + btrfs_chunk_length(leaf, chunk));
> diff --git a/convert/main.c b/convert/main.c
> index 89f9261172ca..3cad37e94462 100644
> --- a/convert/main.c
> +++ b/convert/main.c
> @@ -916,9 +916,7 @@ static int make_convert_data_block_groups(struct btrfs_trans_handle *trans,
> if (ret < 0)
> break;
> ret = btrfs_make_block_group(trans, fs_info, 0,
> - BTRFS_BLOCK_GROUP_DATA,
> - BTRFS_FIRST_CHUNK_TREE_OBJECTID,
> - cur, len);
> + BTRFS_BLOCK_GROUP_DATA, cur, len);
> if (ret < 0)
> break;
> cur += len;
> diff --git a/ctree.h b/ctree.h
> index 7db0cd94ff07..a43c41f56924 100644
> --- a/ctree.h
> +++ b/ctree.h
> @@ -2529,11 +2529,10 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info);
> int btrfs_read_block_groups(struct btrfs_root *root);
> struct btrfs_block_group_cache *
> btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type,
> - u64 chunk_objectid, u64 chunk_offset, u64 size);
> + u64 chunk_offset, u64 size);
> int btrfs_make_block_group(struct btrfs_trans_handle *trans,
> struct btrfs_fs_info *fs_info, u64 bytes_used,
> - u64 type, u64 chunk_objectid, u64 chunk_offset,
> - u64 size);
> + u64 type, u64 chunk_offset, u64 size);
> int btrfs_make_block_groups(struct btrfs_trans_handle *trans,
> struct btrfs_fs_info *fs_info);
> int btrfs_update_block_group(struct btrfs_root *root, u64 bytenr, u64 num,
> diff --git a/extent-tree.c b/extent-tree.c
> index edf659d5e4b8..94adb333a358 100644
> --- a/extent-tree.c
> +++ b/extent-tree.c
> @@ -1916,7 +1916,7 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans,
> BUG_ON(ret);
>
> ret = btrfs_make_block_group(trans, fs_info, 0, space_info->flags,
> - BTRFS_FIRST_CHUNK_TREE_OBJECTID, start, num_bytes);
> + start, num_bytes);
> BUG_ON(ret);
> return 0;
> }
> @@ -3310,7 +3310,7 @@ error:
>
> struct btrfs_block_group_cache *
> btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type,
> - u64 chunk_objectid, u64 chunk_offset, u64 size)
> + u64 chunk_offset, u64 size)
> {
> int ret;
> int bit = 0;
> @@ -3326,7 +3326,8 @@ btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type,
>
> cache->key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
> btrfs_set_block_group_used(&cache->item, bytes_used);
> - btrfs_set_block_group_chunk_objectid(&cache->item, chunk_objectid);
> + btrfs_set_block_group_chunk_objectid(&cache->item,
> + BTRFS_FIRST_CHUNK_TREE_OBJECTID);
> cache->flags = type;
> btrfs_set_block_group_flags(&cache->item, type);
>
> @@ -3351,15 +3352,14 @@ btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type,
>
> int btrfs_make_block_group(struct btrfs_trans_handle *trans,
> struct btrfs_fs_info *fs_info, u64 bytes_used,
> - u64 type, u64 chunk_objectid, u64 chunk_offset,
> - u64 size)
> + u64 type, u64 chunk_offset, u64 size)
> {
> int ret;
> struct btrfs_root *extent_root = fs_info->extent_root;
> struct btrfs_block_group_cache *cache;
>
> - cache = btrfs_add_block_group(fs_info, bytes_used, type,
> - chunk_objectid, chunk_offset, size);
> + cache = btrfs_add_block_group(fs_info, bytes_used, type, chunk_offset,
> + size);
> ret = btrfs_insert_item(trans, extent_root, &cache->key, &cache->item,
> sizeof(cache->item));
> BUG_ON(ret);
> diff --git a/mkfs/main.c b/mkfs/main.c
> index 9bb1f6029310..c6bd7dc6da5d 100644
> --- a/mkfs/main.c
> +++ b/mkfs/main.c
> @@ -72,7 +72,6 @@ static int create_metadata_block_groups(struct btrfs_root *root, int mixed,
> */
> ret = btrfs_make_block_group(trans, fs_info, bytes_used,
> BTRFS_BLOCK_GROUP_SYSTEM,
> - BTRFS_FIRST_CHUNK_TREE_OBJECTID,
> BTRFS_BLOCK_RESERVED_1M_FOR_SUPER,
> BTRFS_MKFS_SYSTEM_GROUP_SIZE);
> allocation->system += BTRFS_MKFS_SYSTEM_GROUP_SIZE;
> @@ -93,7 +92,6 @@ static int create_metadata_block_groups(struct btrfs_root *root, int mixed,
> ret = btrfs_make_block_group(trans, fs_info, 0,
> BTRFS_BLOCK_GROUP_METADATA |
> BTRFS_BLOCK_GROUP_DATA,
> - BTRFS_FIRST_CHUNK_TREE_OBJECTID,
> chunk_start, chunk_size);
> if (ret)
> return ret;
> @@ -110,7 +108,6 @@ static int create_metadata_block_groups(struct btrfs_root *root, int mixed,
> return ret;
> ret = btrfs_make_block_group(trans, fs_info, 0,
> BTRFS_BLOCK_GROUP_METADATA,
> - BTRFS_FIRST_CHUNK_TREE_OBJECTID,
> chunk_start, chunk_size);
> allocation->metadata += chunk_size;
> if (ret)
> @@ -145,7 +142,6 @@ static int create_data_block_groups(struct btrfs_trans_handle *trans,
> return ret;
> ret = btrfs_make_block_group(trans, fs_info, 0,
> BTRFS_BLOCK_GROUP_DATA,
> - BTRFS_FIRST_CHUNK_TREE_OBJECTID,
> chunk_start, chunk_size);
> allocation->data += chunk_size;
> if (ret)
> @@ -254,8 +250,7 @@ static int create_one_raid_group(struct btrfs_trans_handle *trans,
> return ret;
>
> ret = btrfs_make_block_group(trans, fs_info, 0,
> - type, BTRFS_FIRST_CHUNK_TREE_OBJECTID,
> - chunk_start, chunk_size);
> + type, chunk_start, chunk_size);
>
> type &= BTRFS_BLOCK_GROUP_TYPE_MASK;
> if (type == BTRFS_BLOCK_GROUP_DATA) {
>
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