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nfs: make the rpc_stat per net namespace

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[ Upstream commit 1548036ef1 ]

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: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Stable-dep-of: 24457f1be2 ("nfs: Handle error of rpc_proc_register() in nfs_net_init().")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Josef Bacik 2024-02-15 14:57:32 -05:00 committed by Greg Kroah-Hartman
parent 31dd0cda5a
commit 19f51adc77
4 changed files with 9 additions and 4 deletions
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5
fs/nfs/client.c
View file

@ -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);
}

4
fs/nfs/inode.c
View file

@ -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);
}

2
fs/nfs/internal.h
View file

@ -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);

2
fs/nfs/netns.h
View file

@ -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