[merged] zpool-remove-the-list-of-pools_head.patch removed from -mm tree

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The patch titled
     Subject: zpool: remove the list of pools_head
has been removed from the -mm tree.  Its filename was
     zpool-remove-the-list-of-pools_head.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Zhaoyu Liu <zackary.liu.pro@xxxxxxxxx>
Subject: zpool: remove the list of pools_head

The list of pools_head is no longer needed because the caller has been
deleted in commit 479305fd7172 ("zpool: remove zpool_evict()").

Link: https://lkml.kernel.org/r/20211215163727.GA17196@pc
Signed-off-by: Zhaoyu Liu <zackary.liu.pro@xxxxxxxxx>
Cc: Dan Streetman <ddstreet@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/zpool.c |   12 ------------
 1 file changed, 12 deletions(-)

--- a/mm/zpool.c~zpool-remove-the-list-of-pools_head
+++ a/mm/zpool.c
@@ -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 ch
 
 	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 *zp
 {
 	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);
_

Patches currently in -mm which might be from zackary.liu.pro@xxxxxxxxx are





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