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Commit 92266d6e authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Tejun Heo
Browse files

async: simplify lowest_in_progress() 



The code in lowest_in_progress() are duplicated in two branches,
simplify them.

tj: Minor indentation adjustment.

Signed-off-by: default avatarLai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
parent 6dbe51c2

kernel/async.c

+8 −12
Original line number Diff line number Diff line
@@ -84,24 +84,20 @@ static atomic_t entry_count; 


static async_cookie_t lowest_in_progress(struct async_domain *domain)

{

	struct async_entry *first = NULL;

	struct list_head *pending;

	async_cookie_t ret = ASYNC_COOKIE_MAX;

	unsigned long flags;



	spin_lock_irqsave(&async_lock, flags);



	if (domain) {

		if (!list_empty(&domain->pending))

			first = list_first_entry(&domain->pending,

					struct async_entry, domain_list);

	} else {

		if (!list_empty(&async_global_pending))

			first = list_first_entry(&async_global_pending,

					struct async_entry, global_list);

	}

	if (domain)

		pending = &domain->pending;

	else

		pending = &async_global_pending;



	if (first)

		ret = first->cookie;

	if (!list_empty(pending))

		ret = list_first_entry(pending, struct async_entry,

				       domain_list)->cookie;



	spin_unlock_irqrestore(&async_lock, flags);

	return ret;