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Commit 10b7a70c authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFS: Cleanup - add nfs_clients_exit to mirror nfs_clients_init 



Add a helper to clean up the struct nfs_net when it is being destroyed.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 996bc4f4

fs/nfs/client.c

+11 −2
Original line number Diff line number Diff line
@@ -192,7 +192,7 @@ struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init) 
EXPORT_SYMBOL_GPL(nfs_alloc_client);



#if IS_ENABLED(CONFIG_NFS_V4)

void nfs_cleanup_cb_ident_idr(struct net *net)

static void nfs_cleanup_cb_ident_idr(struct net *net)

{

	struct nfs_net *nn = net_generic(net, nfs_net_id);
@@ -214,7 +214,7 @@ static void pnfs_init_server(struct nfs_server *server) 
}



#else

void nfs_cleanup_cb_ident_idr(struct net *net)

static void nfs_cleanup_cb_ident_idr(struct net *net)

{

}
@@ -1074,6 +1074,15 @@ void nfs_clients_init(struct net *net) 
	nn->boot_time = ktime_get_real();

}



void nfs_clients_exit(struct net *net)

{

	struct nfs_net *nn = net_generic(net, nfs_net_id);



	nfs_cleanup_cb_ident_idr(net);

	WARN_ON_ONCE(!list_empty(&nn->nfs_client_list));

	WARN_ON_ONCE(!list_empty(&nn->nfs_volume_list));

}



#ifdef CONFIG_PROC_FS

static void *nfs_server_list_start(struct seq_file *p, loff_t *pos);

static void *nfs_server_list_next(struct seq_file *p, void *v, loff_t *pos);

fs/nfs/inode.c

+1 −5
Original line number Diff line number Diff line
@@ -2161,12 +2161,8 @@ static int nfs_net_init(struct net *net) 


static void nfs_net_exit(struct net *net)

{

	struct nfs_net *nn = net_generic(net, nfs_net_id);



	nfs_fs_proc_net_exit(net);

	nfs_cleanup_cb_ident_idr(net);

	WARN_ON_ONCE(!list_empty(&nn->nfs_client_list));

	WARN_ON_ONCE(!list_empty(&nn->nfs_volume_list));

	nfs_clients_exit(net);

}



static struct pernet_operations nfs_net_ops = {

fs/nfs/internal.h

+1 −1
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ extern void nfs_umount(const struct nfs_mount_request *info); 
/* client.c */

extern const struct rpc_program nfs_program;

extern void nfs_clients_init(struct net *net);

extern void nfs_clients_exit(struct net *net);

extern struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *);

int nfs_create_rpc_client(struct nfs_client *, const struct nfs_client_initdata *, rpc_authflavor_t);

struct nfs_client *nfs_get_client(const struct nfs_client_initdata *);
@@ -170,7 +171,6 @@ int nfs_init_server_rpcclient(struct nfs_server *, const struct rpc_timeout *t, 
struct nfs_server *nfs_alloc_server(void);

void nfs_server_copy_userdata(struct nfs_server *, struct nfs_server *);



extern void nfs_cleanup_cb_ident_idr(struct net *);

extern void nfs_put_client(struct nfs_client *);

extern void nfs_free_client(struct nfs_client *);

extern struct nfs_client *nfs4_find_client_ident(struct net *, int);