Commit 6b2cb7cb authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: use btrfs_read_node_slot in qgroup_trace_extent_swap 



We're open-coding btrfs_read_node_slot() here, replace with the helper.

Reviewed-by: default avatarFilipe Manana <fdmanana@suse.com>
Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent c990ada2

fs/btrfs/qgroup.c

+1 −12
Original line number Diff line number Diff line
@@ -1942,27 +1942,16 @@ static int qgroup_trace_extent_swap(struct btrfs_trans_handle* trans, 
		struct btrfs_key dst_key;



		if (src_path->nodes[cur_level] == NULL) {

			struct btrfs_key first_key;

			struct extent_buffer *eb;

			int parent_slot;

			u64 child_gen;

			u64 child_bytenr;



			eb = src_path->nodes[cur_level + 1];

			parent_slot = src_path->slots[cur_level + 1];

			child_bytenr = btrfs_node_blockptr(eb, parent_slot);

			child_gen = btrfs_node_ptr_generation(eb, parent_slot);

			btrfs_node_key_to_cpu(eb, &first_key, parent_slot);



			eb = read_tree_block(fs_info, child_bytenr, child_gen,

					     cur_level, &first_key);

			eb = btrfs_read_node_slot(eb, parent_slot);

			if (IS_ERR(eb)) {

				ret = PTR_ERR(eb);

				goto out;

			} else if (!extent_buffer_uptodate(eb)) {

				free_extent_buffer(eb);

				ret = -EIO;

				goto out;

			}



			src_path->nodes[cur_level] = eb;