Commit e6571499 authored by Filipe Manana's avatar Filipe Manana
Browse files

Btrfs: remove unused function btrfs_add_delayed_qgroup_reserve() 



No longer used as of commit 5846a3c2 ("btrfs: qgroup: Fix a race in
delayed_ref which leads to abort trans").

Signed-off-by: default avatarFilipe Manana <fdmanana@suse.com>
parent 44f714da

fs/btrfs/delayed-ref.c

+0 −27
Original line number Diff line number Diff line
@@ -861,33 +861,6 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, 
	return 0;

}



int btrfs_add_delayed_qgroup_reserve(struct btrfs_fs_info *fs_info,

				     struct btrfs_trans_handle *trans,

				     u64 ref_root, u64 bytenr, u64 num_bytes)

{

	struct btrfs_delayed_ref_root *delayed_refs;

	struct btrfs_delayed_ref_head *ref_head;

	int ret = 0;



	if (!fs_info->quota_enabled || !is_fstree(ref_root))

		return 0;



	delayed_refs = &trans->transaction->delayed_refs;



	spin_lock(&delayed_refs->lock);

	ref_head = find_ref_head(&delayed_refs->href_root, bytenr, 0);

	if (!ref_head) {

		ret = -ENOENT;

		goto out;

	}

	WARN_ON(ref_head->qgroup_reserved || ref_head->qgroup_ref_root);

	ref_head->qgroup_ref_root = ref_root;

	ref_head->qgroup_reserved = num_bytes;

out:

	spin_unlock(&delayed_refs->lock);

	return ret;

}



int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,

				struct btrfs_trans_handle *trans,

				u64 bytenr, u64 num_bytes,

fs/btrfs/delayed-ref.h

+0 −3
Original line number Diff line number Diff line
@@ -250,9 +250,6 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, 
			       u64 parent, u64 ref_root,

			       u64 owner, u64 offset, u64 reserved, int action,

			       struct btrfs_delayed_extent_op *extent_op);

int btrfs_add_delayed_qgroup_reserve(struct btrfs_fs_info *fs_info,

				     struct btrfs_trans_handle *trans,

				     u64 ref_root, u64 bytenr, u64 num_bytes);

int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,

				struct btrfs_trans_handle *trans,

				u64 bytenr, u64 num_bytes,