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Commit 408fbf19 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: Remove extraneous chunk_objectid variable



BTRFS_FIRST_CHUNK_TREE_OBJECTIS id the only objectid being used in the
chunk_tree. So remove a variable which is always set to that value and collapse
its usage in callees which are passed this variable. No functional changes

Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 0174484d
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+6 −10
Original line number Diff line number Diff line
@@ -2712,8 +2712,7 @@ int btrfs_grow_device(struct btrfs_trans_handle *trans,
}

static int btrfs_free_chunk(struct btrfs_trans_handle *trans,
			    struct btrfs_fs_info *fs_info, u64 chunk_objectid,
			    u64 chunk_offset)
			    struct btrfs_fs_info *fs_info, u64 chunk_offset)
{
	struct btrfs_root *root = fs_info->chunk_root;
	int ret;
@@ -2724,7 +2723,7 @@ static int btrfs_free_chunk(struct btrfs_trans_handle *trans,
	if (!path)
		return -ENOMEM;

	key.objectid = chunk_objectid;
	key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
	key.offset = chunk_offset;
	key.type = BTRFS_CHUNK_ITEM_KEY;

@@ -2747,8 +2746,7 @@ static int btrfs_free_chunk(struct btrfs_trans_handle *trans,
	return ret;
}

static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info,
			       u64 chunk_objectid, u64 chunk_offset)
static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset)
{
	struct btrfs_super_block *super_copy = fs_info->super_copy;
	struct btrfs_disk_key *disk_key;
@@ -2781,7 +2779,7 @@ static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info,
			ret = -EIO;
			break;
		}
		if (key.objectid == chunk_objectid &&
		if (key.objectid == BTRFS_FIRST_CHUNK_TREE_OBJECTID &&
		    key.offset == chunk_offset) {
			memmove(ptr, ptr + len, array_size - (cur + len));
			array_size -= len;
@@ -2830,7 +2828,6 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
	struct extent_map *em;
	struct map_lookup *map;
	u64 dev_extent_len = 0;
	u64 chunk_objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
	int i, ret = 0;
	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;

@@ -2886,7 +2883,7 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
	}
	mutex_unlock(&fs_devices->device_list_mutex);

	ret = btrfs_free_chunk(trans, fs_info, chunk_objectid, chunk_offset);
	ret = btrfs_free_chunk(trans, fs_info, chunk_offset);
	if (ret) {
		btrfs_abort_transaction(trans, ret);
		goto out;
@@ -2895,8 +2892,7 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans,
	trace_btrfs_chunk_free(fs_info, map, chunk_offset, em->len);

	if (map->type & BTRFS_BLOCK_GROUP_SYSTEM) {
		ret = btrfs_del_sys_chunk(fs_info, chunk_objectid,
					  chunk_offset);
		ret = btrfs_del_sys_chunk(fs_info, chunk_offset);
		if (ret) {
			btrfs_abort_transaction(trans, ret);
			goto out;