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Commit 19f51adc authored by Josef Bacik's avatar Josef Bacik Committed by Greg Kroah-Hartman
Browse files

nfs: make the rpc_stat per net namespace 



[ Upstream commit 1548036ef1204df65ca5a16e8b199c858cb80075 ]

Now that we're exposing the rpc stats on a per-network namespace basis,
move this struct into struct nfs_net and use that to make sure only the
per-network namespace stats are exposed.

Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Stable-dep-of: 24457f1be29f ("nfs: Handle error of rpc_proc_register() in nfs_net_init().")
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 31dd0cda

fs/nfs/client.c

+4 −1
Original line number Diff line number Diff line
@@ -72,7 +72,6 @@ const struct rpc_program nfs_program = { 
	.number			= NFS_PROGRAM,

	.nrvers			= ARRAY_SIZE(nfs_version),

	.version		= nfs_version,

	.stats			= &nfs_rpcstat,

	.pipe_dir_name		= NFS_PIPE_DIRNAME,

};
@@ -492,6 +491,7 @@ int nfs_create_rpc_client(struct nfs_client *clp, 
			  const struct nfs_client_initdata *cl_init,

			  rpc_authflavor_t flavor)

{

	struct nfs_net		*nn = net_generic(clp->cl_net, nfs_net_id);

	struct rpc_clnt		*clnt = NULL;

	struct rpc_create_args args = {

		.net		= clp->cl_net,
@@ -503,6 +503,7 @@ int nfs_create_rpc_client(struct nfs_client *clp, 
		.servername	= clp->cl_hostname,

		.nodename	= cl_init->nodename,

		.program	= &nfs_program,

		.stats		= &nn->rpcstats,

		.version	= clp->rpc_ops->version,

		.authflavor	= flavor,

		.cred		= cl_init->cred,
@@ -1077,6 +1078,8 @@ void nfs_clients_init(struct net *net) 
#endif

	spin_lock_init(&nn->nfs_client_lock);

	nn->boot_time = ktime_get_real();

	memset(&nn->rpcstats, 0, sizeof(nn->rpcstats));

	nn->rpcstats.program = &nfs_program;



	nfs_netns_sysfs_setup(nn, net);

}

fs/nfs/inode.c

+3 −1
Original line number Diff line number Diff line
@@ -2178,8 +2178,10 @@ EXPORT_SYMBOL_GPL(nfs_net_id); 


static int nfs_net_init(struct net *net)

{

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



	nfs_clients_init(net);

	rpc_proc_register(net, &nfs_rpcstat);

	rpc_proc_register(net, &nn->rpcstats);

	return nfs_fs_proc_net_init(net);

}

fs/nfs/internal.h

+0 −2
Original line number Diff line number Diff line
@@ -405,8 +405,6 @@ struct dentry * nfs_xdev_mount_common(struct file_system_type *, int, 
void nfs_kill_super(struct super_block *);

void nfs_fill_super(struct super_block *, struct nfs_mount_info *);



extern struct rpc_stat nfs_rpcstat;



extern int __init register_nfs_fs(void);

extern void __exit unregister_nfs_fs(void);

extern bool nfs_sb_active(struct super_block *sb);

fs/nfs/netns.h

+2 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
#include <linux/nfs4.h>

#include <net/net_namespace.h>

#include <net/netns/generic.h>

#include <linux/sunrpc/stats.h>



struct bl_dev_msg {

	int32_t status;
@@ -34,6 +35,7 @@ struct nfs_net { 
	struct nfs_netns_client *nfs_client;

	spinlock_t nfs_client_lock;

	ktime_t boot_time;

	struct rpc_stat rpcstats;

#ifdef CONFIG_PROC_FS

	struct proc_dir_entry *proc_nfsfs;

#endif