From da0c02516c501b43bd39ad4aca5779c86153d143 Mon Sep 17 00:00:00 2001
From: Kairui Song <kasong@tencent.com>
Date: Tue, 5 Nov 2024 01:52:57 +0800
Subject: mm/list_lru: simplify the list_lru walk callback function

Now isolation no longer takes the list_lru global node lock, only use the
per-cgroup lock instead.  And this lock is inside the list_lru_one being
walked, no longer needed to pass the lock explicitly.

Link: https://lkml.kernel.org/r/20241104175257.60853-7-ryncsn@gmail.com
Signed-off-by: Kairui Song <kasong@tencent.com>
Cc: Chengming Zhou <zhouchengming@bytedance.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 fs/dcache.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'fs/dcache.c')

diff --git a/fs/dcache.c b/fs/dcache.c
index 0f6b16ba30d0..d7f6866f5f52 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1089,7 +1089,7 @@ void shrink_dentry_list(struct list_head *list)
 }
 
 static enum lru_status dentry_lru_isolate(struct list_head *item,
-		struct list_lru_one *lru, spinlock_t *lru_lock, void *arg)
+		struct list_lru_one *lru, void *arg)
 {
 	struct list_head *freeable = arg;
 	struct dentry	*dentry = container_of(item, struct dentry, d_lru);
@@ -1170,7 +1170,7 @@ long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc)
 }
 
 static enum lru_status dentry_lru_isolate_shrink(struct list_head *item,
-		struct list_lru_one *lru, spinlock_t *lru_lock, void *arg)
+		struct list_lru_one *lru, void *arg)
 {
 	struct list_head *freeable = arg;
 	struct dentry	*dentry = container_of(item, struct dentry, d_lru);
-- 
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