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Message-Id: <20230727080502.77895-11-zhengqi.arch@bytedance.com>
Date: Thu, 27 Jul 2023 16:04:23 +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, x86@...nel.org,
kvm@...r.kernel.org, xen-devel@...ts.xenproject.org,
linux-erofs@...ts.ozlabs.org,
linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com,
linux-nfs@...r.kernel.org, linux-mtd@...ts.infradead.org,
rcu@...r.kernel.org, netdev@...r.kernel.org,
dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
dm-devel@...hat.com, linux-raid@...r.kernel.org,
linux-bcache@...r.kernel.org,
virtualization@...ts.linux-foundation.org,
linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
linux-xfs@...r.kernel.org, linux-btrfs@...r.kernel.org,
Qi Zheng <zhengqi.arch@...edance.com>,
Muchun Song <songmuchun@...edance.com>
Subject: [PATCH v3 10/49] 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>
---
fs/erofs/utils.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c
index cc6fb9e98899..6e1a828e6ca3 100644
--- a/fs/erofs/utils.c
+++ b/fs/erofs/utils.c
@@ -270,19 +270,25 @@ 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;
+ erofs_shrinker_info->seeks = DEFAULT_SEEKS;
+
+ 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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