nfsd: Simplify the allocation of slab caches in nfsd4_init_slabs

Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.
Make the code cleaner and more readable.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7ac07a67740cf15bc5cc6b41755abd676a4e0327..79c14148ae0de4039c503289de3a3d08321f22d1 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4503,32 +4503,25 @@ nfsd4_free_slabs(void)
 int
 nfsd4_init_slabs(void)
 {
-       client_slab = kmem_cache_create("nfsd4_clients",
-                       sizeof(struct nfs4_client), 0, 0, NULL);
+       client_slab = KMEM_CACHE(nfs4_client, 0);
        if (client_slab == NULL)
                goto out;
-       openowner_slab = kmem_cache_create("nfsd4_openowners",
-                       sizeof(struct nfs4_openowner), 0, 0, NULL);
+       openowner_slab = KMEM_CACHE(nfs4_openowner, 0);
        if (openowner_slab == NULL)
                goto out_free_client_slab;
-       lockowner_slab = kmem_cache_create("nfsd4_lockowners",
-                       sizeof(struct nfs4_lockowner), 0, 0, NULL);
+       lockowner_slab = KMEM_CACHE(nfs4_lockowner, 0);
        if (lockowner_slab == NULL)
                goto out_free_openowner_slab;
-       file_slab = kmem_cache_create("nfsd4_files",
-                       sizeof(struct nfs4_file), 0, 0, NULL);
+       file_slab = KMEM_CACHE(nfs4_file, 0);
        if (file_slab == NULL)
                goto out_free_lockowner_slab;
-       stateid_slab = kmem_cache_create("nfsd4_stateids",
-                       sizeof(struct nfs4_ol_stateid), 0, 0, NULL);
+       stateid_slab = KMEM_CACHE(nfs4_ol_stateid, 0);
        if (stateid_slab == NULL)
                goto out_free_file_slab;
-       deleg_slab = kmem_cache_create("nfsd4_delegations",
-                       sizeof(struct nfs4_delegation), 0, 0, NULL);
+       deleg_slab = KMEM_CACHE(nfs4_delegation, 0);
        if (deleg_slab == NULL)
                goto out_free_stateid_slab;
-       odstate_slab = kmem_cache_create("nfsd4_odstate",
-                       sizeof(struct nfs4_clnt_odstate), 0, 0, NULL);
+       odstate_slab = KMEM_CACHE(nfs4_clnt_odstate, 0);
        if (odstate_slab == NULL)
                goto out_free_deleg_slab;
        return 0;