Commit f44e1e69 authored by Zhaoyu Liu's avatar Zhaoyu Liu Committed by Linus Torvalds
Browse files

zpool: remove the list of pools_head 

The list of pools_head is no longer needed because the caller has been
deleted in commit 479305fd ("zpool: remove zpool_evict()").

Link: https://lkml.kernel.org/r/20211215163727.GA17196@pc


Signed-off-by: default avatarZhaoyu Liu <zackary.liu.pro@gmail.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5ee2fa2f

mm/zpool.c

+0 −12
Original line number Diff line number Diff line
@@ -24,16 +24,11 @@ struct zpool { 
	const struct zpool_ops *ops;

	bool evictable;

	bool can_sleep_mapped;



	struct list_head list;

};



static LIST_HEAD(drivers_head);

static DEFINE_SPINLOCK(drivers_lock);



static LIST_HEAD(pools_head);

static DEFINE_SPINLOCK(pools_lock);



/**

 * zpool_register_driver() - register a zpool implementation.

 * @driver:	driver to register
@@ -195,10 +190,6 @@ struct zpool *zpool_create_pool(const char *type, const char *name, gfp_t gfp, 


	pr_debug("created pool type %s\n", type);



	spin_lock(&pools_lock);

	list_add(&zpool->list, &pools_head);

	spin_unlock(&pools_lock);



	return zpool;

}
@@ -217,9 +208,6 @@ void zpool_destroy_pool(struct zpool *zpool) 
{

	pr_debug("destroying pool type %s\n", zpool->driver->type);



	spin_lock(&pools_lock);

	list_del(&zpool->list);

	spin_unlock(&pools_lock);

	zpool->driver->destroy(zpool->pool);

	zpool_put_driver(zpool->driver);

	kfree(zpool);