Commit e4979f4f authored by Abd-Alrhman Masalkhi's avatar Abd-Alrhman Masalkhi Committed by Yu Kuai
Browse files

md: remove unused static md_wq workqueue 



The md_wq workqueue is defined as static and initialized in md_init(),
but it is not used anywhere within md.c.

All asynchronous and deferred work in this file is handled via
md_misc_wq or dedicated md threads.

Fixes: b75197e8 ("md: Remove flush handling")
Signed-off-by: default avatarAbd-Alrhman Masalkhi <abd.masalkhi@gmail.com>
Link: https://lore.kernel.org/linux-raid/20260328193522.3624-1-abd.masalkhi@gmail.com/


Signed-off-by: default avatarYu Kuai <yukuai@fnnas.com>
parent 078d1d8e

drivers/md/md.c

+0 −8
Original line number Diff line number Diff line
@@ -84,7 +84,6 @@ static DEFINE_XARRAY(md_submodule); 
static const struct kobj_type md_ktype;



static DECLARE_WAIT_QUEUE_HEAD(resync_wait);

static struct workqueue_struct *md_wq;



/*

 * This workqueue is used for sync_work to register new sync_thread, and for
@@ -10511,10 +10510,6 @@ static int __init md_init(void) 
		goto err_bitmap;



	ret = -ENOMEM;

	md_wq = alloc_workqueue("md", WQ_MEM_RECLAIM | WQ_PERCPU, 0);

	if (!md_wq)

		goto err_wq;



	md_misc_wq = alloc_workqueue("md_misc", WQ_PERCPU, 0);

	if (!md_misc_wq)

		goto err_misc_wq;
@@ -10539,8 +10534,6 @@ static int __init md_init(void) 
err_md:

	destroy_workqueue(md_misc_wq);

err_misc_wq:

	destroy_workqueue(md_wq);

err_wq:

	md_llbitmap_exit();

err_bitmap:

	md_bitmap_exit();
@@ -10849,7 +10842,6 @@ static __exit void md_exit(void) 
	spin_unlock(&all_mddevs_lock);



	destroy_workqueue(md_misc_wq);

	destroy_workqueue(md_wq);

	md_bitmap_exit();

}