linux-kernel - [PATCH] nfsd: Simplify the allocation of slab caches in nfsd4_init

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Message-Id: <20240131062227.130725-1-chentao@kylinos.cn>
Date: Wed, 31 Jan 2024 14:22:27 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: chuck.lever@...cle.com,
	jlayton@...nel.org,
	neilb@...e.de,
	kolga@...app.com,
	Dai.Ngo@...cle.com,
	tom@...pey.com
Cc: linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH] nfsd: Simplify the allocation of slab caches in nfsd4_init_pnfs

commit 0a31bd5f2bbb ("KMEM_CACHE(): simplify slab cache creation")
introduces a new macro.
Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
 fs/nfsd/nfs4layouts.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 5e8096bc5eaa..4116695e6aa3 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -756,13 +756,11 @@ nfsd4_init_pnfs(void)
 	for (i = 0; i < DEVID_HASH_SIZE; i++)
 		INIT_LIST_HEAD(&nfsd_devid_hash[i]);
 
-	nfs4_layout_cache = kmem_cache_create("nfs4_layout",
-			sizeof(struct nfs4_layout), 0, 0, NULL);
+	nfs4_layout_cache = KMEM_CACHE(nfs4_layout, 0);
 	if (!nfs4_layout_cache)
 		return -ENOMEM;
 
-	nfs4_layout_stateid_cache = kmem_cache_create("nfs4_layout_stateid",
-			sizeof(struct nfs4_layout_stateid), 0, 0, NULL);
+	nfs4_layout_stateid_cache = KMEM_CACHE(nfs4_layout_stateid, 0);
 	if (!nfs4_layout_stateid_cache) {
 		kmem_cache_destroy(nfs4_layout_cache);
 		return -ENOMEM;
-- 
2.39.2