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Message-Id: <20230911094444.68966-7-zhengqi.arch@bytedance.com>
Date: Mon, 11 Sep 2023 17:44:05 +0800
From: Qi Zheng <zhengqi.arch@...edance.com>
To: akpm@...ux-foundation.org, david@...morbit.com, tkhai@...ru,
vbabka@...e.cz, roman.gushchin@...ux.dev, djwong@...nel.org,
brauner@...nel.org, paulmck@...nel.org, tytso@....edu,
steven.price@....com, cel@...nel.org, senozhatsky@...omium.org,
yujie.liu@...el.com, gregkh@...uxfoundation.org,
muchun.song@...ux.dev
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
linux-fsdevel@...r.kernel.org,
Qi Zheng <zhengqi.arch@...edance.com>,
Muchun Song <songmuchun@...edance.com>,
Chao Yu <chao@...nel.org>,
Gao Xiang <hsiangkao@...ux.alibaba.com>,
Yue Hu <huyue2@...lpad.com>,
Jeffle Xu <jefflexu@...ux.alibaba.com>,
linux-erofs@...ts.ozlabs.org
Subject: [PATCH v6 06/45] erofs: dynamically allocate the erofs-shrinker
Use new APIs to dynamically allocate the erofs-shrinker.
Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
Reviewed-by: Muchun Song <songmuchun@...edance.com>
Reviewed-by: Chao Yu <chao@...nel.org>
Reviewed-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
CC: Yue Hu <huyue2@...lpad.com>
CC: Jeffle Xu <jefflexu@...ux.alibaba.com>
CC: linux-erofs@...ts.ozlabs.org
---
fs/erofs/utils.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c
index cc6fb9e98899..e9c25cd7b601 100644
--- a/fs/erofs/utils.c
+++ b/fs/erofs/utils.c
@@ -270,19 +270,24 @@ static unsigned long erofs_shrink_scan(struct shrinker *shrink,
return freed;
}
-static struct shrinker erofs_shrinker_info = {
- .scan_objects = erofs_shrink_scan,
- .count_objects = erofs_shrink_count,
- .seeks = DEFAULT_SEEKS,
-};
+static struct shrinker *erofs_shrinker_info;
int __init erofs_init_shrinker(void)
{
- return register_shrinker(&erofs_shrinker_info, "erofs-shrinker");
+ erofs_shrinker_info = shrinker_alloc(0, "erofs-shrinker");
+ if (!erofs_shrinker_info)
+ return -ENOMEM;
+
+ erofs_shrinker_info->count_objects = erofs_shrink_count;
+ erofs_shrinker_info->scan_objects = erofs_shrink_scan;
+
+ shrinker_register(erofs_shrinker_info);
+
+ return 0;
}
void erofs_exit_shrinker(void)
{
- unregister_shrinker(&erofs_shrinker_info);
+ shrinker_free(erofs_shrinker_info);
}
#endif /* !CONFIG_EROFS_FS_ZIP */
--
2.30.2
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