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Commit abf1135b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by J. Bruce Fields
Browse files

nfsd: remove nfsd4_free_slab 



No need for a kmem_cache_destroy wrapper in nfsd, just do proper
goto based unwinding.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent d40aa337

fs/nfsd/nfs4state.c

+25 −26
Original line number Diff line number Diff line
@@ -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;

}