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authorChristoph Hellwig <hch@infradead.org>2014-05-21 07:43:03 -0700
committerJ. Bruce Fields <bfields@redhat.com>2014-05-22 15:52:57 -0400
commitabf1135b6ee31cc17f569f2a59f87c833ba0849c (patch)
tree91471c9af5399aaa0c477c9984261254f1c3c838
parentd40aa3372f90d478b6166df0321349b5aeb0aea8 (diff)
nfsd: remove nfsd4_free_slab
No need for a kmem_cache_destroy wrapper in nfsd, just do proper goto based unwinding. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--fs/nfsd/nfs4state.c51
1 files changed, 25 insertions, 26 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a037627ce5c7..42f6c25ec8e8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -83,11 +83,11 @@ static DEFINE_MUTEX(client_mutex);
*/
static DEFINE_SPINLOCK(recall_lock);
-static struct kmem_cache *openowner_slab = NULL;
-static struct kmem_cache *lockowner_slab = NULL;
-static struct kmem_cache *file_slab = NULL;
-static struct kmem_cache *stateid_slab = NULL;
-static struct kmem_cache *deleg_slab = NULL;
+static struct kmem_cache *openowner_slab;
+static struct kmem_cache *lockowner_slab;
+static struct kmem_cache *file_slab;
+static struct kmem_cache *stateid_slab;
+static struct kmem_cache *deleg_slab;
void
nfs4_lock_state(void)
@@ -2520,23 +2520,14 @@ static void nfsd4_init_file(struct nfs4_file *fp, struct inode *ino)
spin_unlock(&recall_lock);
}
-static void
-nfsd4_free_slab(struct kmem_cache **slab)
-{
- if (*slab == NULL)
- return;
- kmem_cache_destroy(*slab);
- *slab = NULL;
-}
-
void
nfsd4_free_slabs(void)
{
- nfsd4_free_slab(&openowner_slab);
- nfsd4_free_slab(&lockowner_slab);
- nfsd4_free_slab(&file_slab);
- nfsd4_free_slab(&stateid_slab);
- nfsd4_free_slab(&deleg_slab);
+ kmem_cache_destroy(openowner_slab);
+ kmem_cache_destroy(lockowner_slab);
+ kmem_cache_destroy(file_slab);
+ kmem_cache_destroy(stateid_slab);
+ kmem_cache_destroy(deleg_slab);
}
int
@@ -2545,26 +2536,34 @@ nfsd4_init_slabs(void)
openowner_slab = kmem_cache_create("nfsd4_openowners",
sizeof(struct nfs4_openowner), 0, 0, NULL);
if (openowner_slab == NULL)
- goto out_nomem;
+ goto out;
lockowner_slab = kmem_cache_create("nfsd4_lockowners",
sizeof(struct nfs4_lockowner), 0, 0, NULL);
if (lockowner_slab == NULL)
- goto out_nomem;
+ goto out_free_openowner_slab;
file_slab = kmem_cache_create("nfsd4_files",
sizeof(struct nfs4_file), 0, 0, NULL);
if (file_slab == NULL)
- goto out_nomem;
+ goto out_free_lockowner_slab;
stateid_slab = kmem_cache_create("nfsd4_stateids",
sizeof(struct nfs4_ol_stateid), 0, 0, NULL);
if (stateid_slab == NULL)
- goto out_nomem;
+ goto out_free_file_slab;
deleg_slab = kmem_cache_create("nfsd4_delegations",
sizeof(struct nfs4_delegation), 0, 0, NULL);
if (deleg_slab == NULL)
- goto out_nomem;
+ goto out_free_stateid_slab;
return 0;
-out_nomem:
- nfsd4_free_slabs();
+
+out_free_stateid_slab:
+ kmem_cache_destroy(stateid_slab);
+out_free_file_slab:
+ kmem_cache_destroy(file_slab);
+out_free_lockowner_slab:
+ kmem_cache_destroy(lockowner_slab);
+out_free_openowner_slab:
+ kmem_cache_destroy(openowner_slab);
+out:
dprintk("nfsd4: out of memory while initializing nfsv4\n");
return -ENOMEM;
}