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-rw-r--r--fs/nfs/Kconfig2
-rw-r--r--fs/nfs/Makefile19
-rw-r--r--fs/nfs/callback.h2
-rw-r--r--fs/nfs/client.c34
-rw-r--r--fs/nfs/delegation.h2
-rw-r--r--fs/nfs/dir.c6
-rw-r--r--fs/nfs/direct.c2
-rw-r--r--fs/nfs/dns_resolve.c4
-rw-r--r--fs/nfs/file.c13
-rw-r--r--fs/nfs/inode.c64
-rw-r--r--fs/nfs/internal.h8
-rw-r--r--fs/nfs/namespace.c2
-rw-r--r--fs/nfs/netns.h2
-rw-r--r--fs/nfs/nfs.h17
-rw-r--r--fs/nfs/nfs4_fs.h5
-rw-r--r--fs/nfs/nfs4super.c9
-rw-r--r--fs/nfs/pagelist.c4
-rw-r--r--fs/nfs/pnfs.c2
-rw-r--r--fs/nfs/read.c4
-rw-r--r--fs/nfs/super.c41
-rw-r--r--fs/nfs/write.c13
-rw-r--r--include/linux/nfs_fs.h6
-rw-r--r--include/linux/nfs_fs_sb.h6
-rw-r--r--include/linux/nfs_idmap.h2
-rw-r--r--include/linux/nfs_xdr.h2
25 files changed, 155 insertions, 116 deletions
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index f81a729c00e9..195c1ea6151a 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -72,7 +72,7 @@ config NFS_V3_ACL
If unsure, say N.
config NFS_V4
- bool "NFS client support for NFS version 4"
+ tristate "NFS client support for NFS version 4"
depends on NFS_FS
select SUNRPC_GSS
select KEYS
diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile
index 01846edc5c94..8bf3a3f6925a 100644
--- a/fs/nfs/Makefile
+++ b/fs/nfs/Makefile
@@ -9,17 +9,7 @@ nfs-y := client.o dir.o file.o getroot.o inode.o super.o \
write.o namespace.o mount_clnt.o \
dns_resolve.o cache_lib.o
nfs-$(CONFIG_ROOT_NFS) += nfsroot.o
-nfs-$(CONFIG_NFS_V4) += nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o \
- nfs4super.o nfs4file.o delegation.o idmap.o \
- callback.o callback_xdr.o callback_proc.o \
- nfs4namespace.o nfs4getroot.o nfs4client.o
-nfs-$(CONFIG_NFS_V4_1) += pnfs.o pnfs_dev.o
-
-ifeq ($(CONFIG_SYSCTL), y)
-nfs-y += sysctl.o
-nfs-$(CONFIG_NFS_V4) += nfs4sysctl.o
-endif
-
+nfs-$(CONFIG_SYSCTL) += sysctl.o
nfs-$(CONFIG_NFS_FSCACHE) += fscache.o fscache-index.o
obj-$(CONFIG_NFS_V2) += nfs2.o
@@ -29,6 +19,13 @@ obj-$(CONFIG_NFS_V3) += nfs3.o
nfs3-y := nfs3super.o nfs3client.o nfs3proc.o nfs3xdr.o
nfs3-$(CONFIG_NFS_V3_ACL) += nfs3acl.o
+obj-$(CONFIG_NFS_V4) += nfs4.o
+nfs4-y := nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o nfs4super.o nfs4file.o \
+ delegation.o idmap.o callback.o callback_xdr.o callback_proc.o \
+ nfs4namespace.o nfs4getroot.o nfs4client.o
+nfs4-$(CONFIG_SYSCTL) += nfs4sysctl.o
+nfs4-$(CONFIG_NFS_V4_1) += pnfs.o pnfs_dev.o
+
obj-$(CONFIG_PNFS_FILE_LAYOUT) += nfs_layout_nfsv41_files.o
nfs_layout_nfsv41_files-y := nfs4filelayout.o nfs4filelayoutdev.o
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index a5527c90a5aa..b44d7b128b71 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -192,7 +192,7 @@ extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args,
struct cb_process_state *cps);
extern __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
struct cb_process_state *cps);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
extern int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt);
extern void nfs_callback_down(int minorversion);
extern int nfs4_validate_delegation_stateid(struct nfs_delegation *delegation,
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 8687b6b6edc1..9fc0d9dfc91b 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -143,24 +143,6 @@ void unregister_nfs_version(struct nfs_subversion *nfs)
EXPORT_SYMBOL_GPL(unregister_nfs_version);
/*
- * Preload all configured NFS versions during module init.
- * This function should be edited after each protocol is converted,
- * and eventually removed.
- */
-int __init nfs_register_versions(void)
-{
- return init_nfs_v4();
-}
-
-/*
- * Remove each pre-loaded NFS version
- */
-void nfs_unregister_versions(void)
-{
- exit_nfs_v4();
-}
-
-/*
* Allocate a shared client record
*
* Since these are allocated/deallocated very rarely, we don't
@@ -214,7 +196,7 @@ error_0:
}
EXPORT_SYMBOL_GPL(nfs_alloc_client);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
/* idr_remove_all is not needed as all id's are removed by nfs_put_client */
void nfs_cleanup_cb_ident_idr(struct net *net)
{
@@ -390,6 +372,7 @@ int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
}
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_sockaddr_match_ipaddr);
#endif /* CONFIG_NFS_V4_1 */
/*
@@ -456,6 +439,7 @@ int nfs_wait_client_init_complete(const struct nfs_client *clp)
return wait_event_killable(nfs_client_active_wq,
nfs_client_init_is_complete(clp));
}
+EXPORT_SYMBOL_GPL(nfs_wait_client_init_complete);
/*
* Found an existing client. Make sure it's ready before returning.
@@ -530,6 +514,7 @@ nfs_get_client(const struct nfs_client_initdata *cl_init,
cl_init->hostname ?: "", PTR_ERR(new));
return new;
}
+EXPORT_SYMBOL_GPL(nfs_get_client);
/*
* Mark a server as ready or failed
@@ -540,6 +525,7 @@ void nfs_mark_client_ready(struct nfs_client *clp, int state)
clp->cl_cons_state = state;
wake_up_all(&nfs_client_active_wq);
}
+EXPORT_SYMBOL_GPL(nfs_mark_client_ready);
/*
* Initialise the timeout values for a connection
@@ -581,6 +567,7 @@ void nfs_init_timeout_values(struct rpc_timeout *to, int proto,
BUG();
}
}
+EXPORT_SYMBOL_GPL(nfs_init_timeout_values);
/*
* Create an RPC client handle
@@ -620,6 +607,7 @@ int nfs_create_rpc_client(struct nfs_client *clp,
clp->cl_rpcclient = clnt;
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_create_rpc_client);
/*
* Version 2 or 3 client destruction
@@ -706,6 +694,7 @@ int nfs_init_server_rpcclient(struct nfs_server *server,
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_init_server_rpcclient);
/**
* nfs_init_client - Initialise an NFS2 or NFS3 client
@@ -932,6 +921,7 @@ out_error:
dprintk("nfs_probe_fsinfo: error = %d\n", -error);
return error;
}
+EXPORT_SYMBOL_GPL(nfs_probe_fsinfo);
/*
* Copy useful information when duplicating a server record
@@ -948,6 +938,7 @@ void nfs_server_copy_userdata(struct nfs_server *target, struct nfs_server *sour
target->caps = source->caps;
target->options = source->options;
}
+EXPORT_SYMBOL_GPL(nfs_server_copy_userdata);
void nfs_server_insert_lists(struct nfs_server *server)
{
@@ -961,6 +952,7 @@ void nfs_server_insert_lists(struct nfs_server *server)
spin_unlock(&nn->nfs_client_lock);
}
+EXPORT_SYMBOL_GPL(nfs_server_insert_lists);
static void nfs_server_remove_lists(struct nfs_server *server)
{
@@ -1020,6 +1012,7 @@ struct nfs_server *nfs_alloc_server(void)
return server;
}
+EXPORT_SYMBOL_GPL(nfs_alloc_server);
/*
* Free up a server record
@@ -1048,6 +1041,7 @@ void nfs_free_server(struct nfs_server *server)
nfs_release_automount_timer();
dprintk("<-- nfs_free_server()\n");
}
+EXPORT_SYMBOL_GPL(nfs_free_server);
/*
* Create a version 2 or 3 volume record
@@ -1193,7 +1187,7 @@ void nfs_clients_init(struct net *net)
INIT_LIST_HEAD(&nn->nfs_client_list);
INIT_LIST_HEAD(&nn->nfs_volume_list);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
idr_init(&nn->cb_ident_idr);
#endif
spin_lock_init(&nn->nfs_client_lock);
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index 1f3ccd934635..bbc6a4dba0d8 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -8,7 +8,7 @@
#ifndef FS_NFS_DELEGATION_H
#define FS_NFS_DELEGATION_H
-#if defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V4)
/*
* NFSv4 delegation
*/
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 55438c970cbf..627f108ede23 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -936,6 +936,7 @@ void nfs_force_lookup_revalidate(struct inode *dir)
{
NFS_I(dir)->cache_change_attribute++;
}
+EXPORT_SYMBOL_GPL(nfs_force_lookup_revalidate);
/*
* A check for whether or not the parent directory has changed.
@@ -1267,7 +1268,7 @@ out:
}
EXPORT_SYMBOL_GPL(nfs_lookup);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
static int nfs4_lookup_revalidate(struct dentry *, unsigned int);
const struct dentry_operations nfs4_dentry_operations = {
@@ -1277,6 +1278,7 @@ const struct dentry_operations nfs4_dentry_operations = {
.d_automount = nfs_d_automount,
.d_release = nfs_d_release,
};
+EXPORT_SYMBOL_GPL(nfs4_dentry_operations);
static fmode_t flags_to_mode(int flags)
{
@@ -1419,6 +1421,7 @@ no_open:
return finish_no_open(file, res);
}
+EXPORT_SYMBOL_GPL(nfs_atomic_open);
static int nfs4_lookup_revalidate(struct dentry *dentry, unsigned int flags)
{
@@ -2142,6 +2145,7 @@ int nfs_may_open(struct inode *inode, struct rpc_cred *cred, int openflags)
{
return nfs_do_access(inode, cred, nfs_open_permission_mask(openflags));
}
+EXPORT_SYMBOL_GPL(nfs_may_open);
int nfs_permission(struct inode *inode, int mask)
{
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 899238156b11..b7b4f80968b5 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -460,7 +460,7 @@ static void nfs_inode_dio_write_done(struct inode *inode)
inode_dio_done(inode);
}
-#if IS_ENABLED(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4)
static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq)
{
struct nfs_pageio_descriptor desc;
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index b3924b8a6000..31c26c4dcc23 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -8,6 +8,7 @@
#ifdef CONFIG_NFS_USE_KERNEL_DNS
+#include <linux/module.h>
#include <linux/sunrpc/clnt.h>
#include <linux/dns_resolver.h>
#include "dns_resolve.h"
@@ -27,9 +28,11 @@ ssize_t nfs_dns_resolve_name(struct net *net, char *name, size_t namelen,
kfree(ip_addr);
return ret;
}
+EXPORT_SYMBOL_GPL(nfs_dns_resolve_name);
#else
+#include <linux/module.h>
#include <linux/hash.h>
#include <linux/string.h>
#include <linux/kmod.h>
@@ -345,6 +348,7 @@ ssize_t nfs_dns_resolve_name(struct net *net, char *name,
ret = -ESRCH;
return ret;
}
+EXPORT_SYMBOL_GPL(nfs_dns_resolve_name);
int nfs_dns_resolver_cache_init(struct net *net)
{
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 5b3e70389553..1557978ca7b3 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -53,6 +53,7 @@ int nfs_check_flags(int flags)
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_check_flags);
/*
* Open file
@@ -85,6 +86,7 @@ nfs_file_release(struct inode *inode, struct file *filp)
nfs_inc_stats(inode, NFSIOS_VFSRELEASE);
return nfs_release(inode, filp);
}
+EXPORT_SYMBOL_GPL(nfs_file_release);
/**
* nfs_revalidate_size - Revalidate the file size
@@ -138,6 +140,7 @@ loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin)
return generic_file_llseek(filp, offset, origin);
}
+EXPORT_SYMBOL_GPL(nfs_file_llseek);
/*
* Flush all dirty pages, and check for write errors.
@@ -166,6 +169,7 @@ nfs_file_flush(struct file *file, fl_owner_t id)
/* Flush writes to the server and return any errors */
return vfs_fsync(file, 0);
}
+EXPORT_SYMBOL_GPL(nfs_file_flush);
ssize_t
nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
@@ -190,6 +194,7 @@ nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
}
return result;
}
+EXPORT_SYMBOL_GPL(nfs_file_read);
ssize_t
nfs_file_splice_read(struct file *filp, loff_t *ppos,
@@ -212,6 +217,7 @@ nfs_file_splice_read(struct file *filp, loff_t *ppos,
}
return res;
}
+EXPORT_SYMBOL_GPL(nfs_file_splice_read);
int
nfs_file_mmap(struct file * file, struct vm_area_struct * vma)
@@ -233,6 +239,7 @@ nfs_file_mmap(struct file * file, struct vm_area_struct * vma)
}
return status;
}
+EXPORT_SYMBOL_GPL(nfs_file_mmap);
/*
* Flush any dirty pages for this process, and check for write errors.
@@ -271,6 +278,7 @@ nfs_file_fsync_commit(struct file *file, loff_t start, loff_t end, int datasync)
ret = status;
return ret;
}
+EXPORT_SYMBOL_GPL(nfs_file_fsync_commit);
static int
nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
@@ -615,6 +623,7 @@ out_swapfile:
printk(KERN_INFO "NFS: attempt to write to active swap file!\n");
goto out;
}
+EXPORT_SYMBOL_GPL(nfs_file_write);
ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
struct file *filp, loff_t *ppos,
@@ -646,6 +655,7 @@ ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, written);
return ret;
}
+EXPORT_SYMBOL_GPL(nfs_file_splice_write);
static int
do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
@@ -806,6 +816,7 @@ int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
out_err:
return ret;
}
+EXPORT_SYMBOL_GPL(nfs_lock);
/*
* Lock a (portion of) a file
@@ -835,6 +846,7 @@ int nfs_flock(struct file *filp, int cmd, struct file_lock *fl)
return do_unlk(filp, cmd, fl, is_local);
return do_setlk(filp, cmd, fl, is_local);
}
+EXPORT_SYMBOL_GPL(nfs_flock);
/*
* There is no protocol support for leases, so we have no way to implement
@@ -847,6 +859,7 @@ int nfs_setlease(struct file *file, long arg, struct file_lock **fl)
file->f_path.dentry->d_name.name, arg);
return -EINVAL;
}
+EXPORT_SYMBOL_GPL(nfs_setlease);
const struct file_operations nfs_file_operations = {
.llseek = nfs_file_llseek,
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 78dfc3e895ec..2ed6138f32ad 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -82,6 +82,7 @@ int nfs_wait_bit_killable(void *word)
freezable_schedule();
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_wait_bit_killable);
/**
* nfs_compat_user_ino64 - returns the user-visible inode number
@@ -117,6 +118,7 @@ void nfs_clear_inode(struct inode *inode)
nfs_access_zap_cache(inode);
nfs_fscache_release_inode_cookie(inode);
}
+EXPORT_SYMBOL_GPL(nfs_clear_inode);
void nfs_evict_inode(struct inode *inode)
{
@@ -393,6 +395,7 @@ out_no_inode:
dprintk("nfs_fhget: iget failed with error %ld\n", PTR_ERR(inode));
goto out;
}
+EXPORT_SYMBOL_GPL(nfs_fhget);
#define NFS_VALID_ATTRS (ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_SIZE|ATTR_ATIME|ATTR_ATIME_SET|ATTR_MTIME|ATTR_MTIME_SET|ATTR_FILE|ATTR_OPEN)
@@ -655,6 +658,7 @@ struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, fmode_t f
ctx->mdsthreshold = NULL;
return ctx;
}
+EXPORT_SYMBOL_GPL(alloc_nfs_open_context);
struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx)
{
@@ -662,6 +666,7 @@ struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx)
atomic_inc(&ctx->lock_context.count);
return ctx;
}
+EXPORT_SYMBOL_GPL(get_nfs_open_context);
static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync)
{
@@ -689,6 +694,7 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
{
__put_nfs_open_context(ctx, 0);
}
+EXPORT_SYMBOL_GPL(put_nfs_open_context);
/*
* Ensure that mmap has a recent RPC credential for use when writing out
@@ -704,6 +710,7 @@ void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx)
list_add(&ctx->list, &nfsi->open_files);
spin_unlock(&inode->i_lock);
}
+EXPORT_SYMBOL_GPL(nfs_file_set_open_context);
/*
* Given an inode, search for an open context with the desired characteristics
@@ -1497,11 +1504,12 @@ struct inode *nfs_alloc_inode(struct super_block *sb)
nfsi->acl_access = ERR_PTR(-EAGAIN);
nfsi->acl_default = ERR_PTR(-EAGAIN);
#endif
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
nfsi->nfs4_acl = NULL;
#endif /* CONFIG_NFS_V4 */
return &nfsi->vfs_inode;
}
+EXPORT_SYMBOL_GPL(nfs_alloc_inode);
static void nfs_i_callback(struct rcu_head *head)
{
@@ -1513,10 +1521,11 @@ void nfs_destroy_inode(struct inode *inode)
{
call_rcu(&inode->i_rcu, nfs_i_callback);
}
+EXPORT_SYMBOL_GPL(nfs_destroy_inode);
static inline void nfs4_init_once(struct nfs_inode *nfsi)
{
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
INIT_LIST_HEAD(&nfsi->open_states);
nfsi->delegation = NULL;
nfsi->delegation_state = 0;
@@ -1562,6 +1571,7 @@ static void nfs_destroy_inodecache(void)
}
struct workqueue_struct *nfsiod_workqueue;
+EXPORT_SYMBOL_GPL(nfsiod_workqueue);
/*
* start up the nfsiod workqueue
@@ -1622,90 +1632,80 @@ static int __init init_nfs_fs(void)
err = nfs_dns_resolver_init();
if (err < 0)
- goto out11;
+ goto out10;;
err = register_pernet_subsys(&nfs_net_ops);
if (err < 0)
- goto out10;
+ goto out9;
err = nfs_fscache_register();
if (err < 0)
- goto out9;
+ goto out8;
err = nfsiod_start();
if (err)
- goto out8;
+ goto out7;
err = nfs_fs_proc_init();
if (err)
- goto out7;
+ goto out6;
err = nfs_init_nfspagecache();
if (err)
- goto out6;
+ goto out5;
err = nfs_init_inodecache();
if (err)
- goto out5;
+ goto out4;
err = nfs_init_readpagecache();
if (err)
- goto out4;
+ goto out3;
err = nfs_init_writepagecache();
if (err)
- goto out3;
+ goto out2;
err = nfs_init_directcache();
if (err)
- goto out2;
+ goto out1;
#ifdef CONFIG_PROC_FS
rpc_proc_register(&init_net, &nfs_rpcstat);
#endif
-
- err = nfs_register_versions();
- if (err)
- goto out1;
-
if ((err = register_nfs_fs()) != 0)
goto out0;
return 0;
out0:
- nfs_unregister_versions();
-out1:
#ifdef CONFIG_PROC_FS
rpc_proc_unregister(&init_net, "nfs");
#endif
nfs_destroy_directcache();
-out2:
+out1:
nfs_destroy_writepagecache();
-out3:
+out2:
nfs_destroy_readpagecache();
-out4:
+out3:
nfs_destroy_inodecache();
-out5:
+out4:
nfs_destroy_nfspagecache();
-out6:
+out5:
nfs_fs_proc_exit();
-out7:
+out6:
nfsiod_stop();
-out8:
+out7:
nfs_fscache_unregister();
-out9:
+out8:
unregister_pernet_subsys(&nfs_net_ops);
-out10:
+out9:
nfs_dns_resolver_destroy();
-out11:
+out10:
return err;
}
static void __exit exit_nfs_fs(void)
{
-#ifdef CONFIG_NFS_V4
- exit_nfs_v4();
-#endif
nfs_destroy_directcache();
nfs_destroy_writepagecache();
nfs_destroy_readpagecache();
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 64f0dc41a9b7..8865538b26b6 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -262,7 +262,7 @@ extern int nfs3_decode_dirent(struct xdr_stream *,
struct nfs_entry *, int);
/* nfs4xdr.c */
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
extern int nfs4_decode_dirent(struct xdr_stream *,
struct nfs_entry *, int);
#endif
@@ -272,7 +272,7 @@ extern const u32 nfs41_maxwrite_overhead;
#endif
/* nfs4proc.c */
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
extern struct rpc_procinfo nfs4_procedures[];
#endif
@@ -328,7 +328,7 @@ extern int nfs_wait_bit_killable(void *word);
extern const struct super_operations nfs_sops;
extern struct file_system_type nfs_fs_type;
extern struct file_system_type nfs_xdev_fs_type;
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
extern struct file_system_type nfs4_xdev_fs_type;
extern struct file_system_type nfs4_referral_fs_type;
#endif
@@ -364,7 +364,7 @@ struct vfsmount *nfs_do_submount(struct dentry *, struct nfs_fh *,
/* getroot.c */
extern struct dentry *nfs_get_root(struct super_block *, struct nfs_fh *,
const char *);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
extern struct dentry *nfs4_get_root(struct super_block *, struct nfs_fh *,
const char *);
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 2a3b170e88e0..655925373b91 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -113,6 +113,7 @@ Elong_unlock:
Elong:
return ERR_PTR(-ENAMETOOLONG);
}
+EXPORT_SYMBOL_GPL(nfs_path);
/*
* nfs_d_automount - Handle crossing a mountpoint on the server
@@ -241,6 +242,7 @@ out:
dprintk("<-- nfs_do_submount() = %p\n", mnt);
return mnt;
}
+EXPORT_SYMBOL_GPL(nfs_do_submount);
struct vfsmount *nfs_submount(struct nfs_server *server, struct dentry *dentry,
struct nfs_fh *fh, struct nfs_fattr *fattr)
diff --git a/fs/nfs/netns.h b/fs/nfs/netns.h
index 8a6394edb8b0..0539de1b8d1f 100644
--- a/fs/nfs/netns.h
+++ b/fs/nfs/netns.h
@@ -20,7 +20,7 @@ struct nfs_net {
wait_queue_head_t bl_wq;
struct list_head nfs_client_list;
struct list_head nfs_volume_list;
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
struct idr cb_ident_idr; /* Protected by nfs_client_lock */
#endif
spinlock_t nfs_client_lock;
diff --git a/fs/nfs/nfs.h b/fs/nfs/nfs.h
index 3e1b84baa57f..43679df56cd0 100644
--- a/fs/nfs/nfs.h
+++ b/fs/nfs/nfs.h
@@ -21,23 +21,6 @@ struct nfs_subversion {
struct list_head list; /* List of NFS versions */
};
-int nfs_register_versions(void);
-void nfs_unregister_versions(void);
-
-#ifdef CONFIG_NFS_V4
-int init_nfs_v4(void);
-void exit_nfs_v4(void);
-#else /* CONFIG_NFS_V4 */
-static inline int __init init_nfs_v4(void)
-{
- return 0;
-}
-
-static inline void exit_nfs_v4(void)
-{
-}
-#endif /* CONFIG_NFS_V4 */
-
struct nfs_subversion *get_nfs_version(unsigned int);
void put_nfs_version(struct nfs_subversion *);
void register_nfs_version(struct nfs_subversion *);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index bafe5186c9cd..3b950dd81e81 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -9,7 +9,7 @@
#ifndef __LINUX_FS_NFS_NFS4_FS_H
#define __LINUX_FS_NFS_NFS4_FS_H
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
struct idmap;
@@ -365,11 +365,10 @@ extern const nfs4_stateid zero_stateid;
struct nfs_mount_info;
extern struct nfs_subversion nfs_v4;
struct dentry *nfs4_try_mount(int, const char *, struct nfs_mount_info *, struct nfs_subversion *);
-int init_nfs_v4(void);
-void exit_nfs_v4(void);
extern bool nfs4_disable_idmapping;
extern unsigned short max_session_slots;
extern unsigned short send_implementation_id;
+
/* nfs4sysctl.c */
#ifdef CONFIG_SYSCTL
int nfs4_register_sysctl(void);
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 1c825f3bef51..12a31a9dbcdd 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -332,7 +332,7 @@ static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type,
}
-int __init init_nfs_v4(void)
+static int __init init_nfs_v4(void)
{
int err;
@@ -358,10 +358,15 @@ out:
return err;
}
-void exit_nfs_v4(void)
+static void __exit exit_nfs_v4(void)
{
unregister_nfs_version(&nfs_v4);
unregister_filesystem(&nfs4_fs_type);
nfs4_unregister_sysctl();
nfs_idmap_quit();
}
+
+MODULE_LICENSE("GPL");
+
+module_init(init_nfs_v4);
+module_exit(exit_nfs_v4);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index aed913c833f4..1e7d8879dae6 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -54,6 +54,7 @@ void nfs_pgheader_init(struct nfs_pageio_descriptor *desc,
if (hdr->completion_ops->init_hdr)
hdr->completion_ops->init_hdr(hdr);
}
+EXPORT_SYMBOL_GPL(nfs_pgheader_init);
void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos)
{
@@ -268,6 +269,7 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
desc->pg_lseg = NULL;
desc->pg_dreq = NULL;
}
+EXPORT_SYMBOL_GPL(nfs_pageio_init);
/**
* nfs_can_coalesce_requests - test two requests for compatibility
@@ -409,6 +411,7 @@ int nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,
} while (ret);
return ret;
}
+EXPORT_SYMBOL_GPL(nfs_pageio_add_request);
/**
* nfs_pageio_complete - Complete I/O on an nfs_pageio_descriptor
@@ -424,6 +427,7 @@ void nfs_pageio_complete(struct nfs_pageio_descriptor *desc)
break;
}
}
+EXPORT_SYMBOL_GPL(nfs_pageio_complete);
/**
* nfs_pageio_cond_complete - Conditional I/O completion
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 7fbd25afe418..76875bfcf19c 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1407,6 +1407,7 @@ static void pnfs_writehdr_free(struct nfs_pgio_header *hdr)
put_lseg(hdr->lseg);
nfs_writehdr_free(hdr);
}
+EXPORT_SYMBOL_GPL(pnfs_writehdr_free);
int
pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
@@ -1561,6 +1562,7 @@ static void pnfs_readhdr_free(struct nfs_pgio_header *hdr)
put_lseg(hdr->lseg);
nfs_readhdr_free(hdr);
}
+EXPORT_SYMBOL_GPL(pnfs_readhdr_free);
int
pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index b000e4c0cf83..6935e401ad76 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -48,6 +48,7 @@ struct nfs_read_header *nfs_readhdr_alloc(void)
}
return rhdr;
}
+EXPORT_SYMBOL_GPL(nfs_readhdr_alloc);
static struct nfs_read_data *nfs_readdata_alloc(struct nfs_pgio_header *hdr,
unsigned int pagecount)
@@ -80,6 +81,7 @@ void nfs_readhdr_free(struct nfs_pgio_header *hdr)
kmem_cache_free(nfs_rdata_cachep, rhdr);
}
+EXPORT_SYMBOL_GPL(nfs_readhdr_free);
void nfs_readdata_release(struct nfs_read_data *rdata)
{
@@ -96,6 +98,7 @@ void nfs_readdata_release(struct nfs_read_data *rdata)
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
}
+EXPORT_SYMBOL_GPL(nfs_readdata_release);
static
int nfs_return_empty_page(struct page *page)
@@ -398,6 +401,7 @@ int nfs_generic_pagein(struct nfs_pageio_descriptor *desc,
return nfs_pagein_multi(desc, hdr);
return nfs_pagein_one(desc, hdr);
}
+EXPORT_SYMBOL_GPL(nfs_generic_pagein);
static int nfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc)
{
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 558a85c9594a..ac6a3c55dce4 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -315,7 +315,7 @@ const struct super_operations nfs_sops = {
};
EXPORT_SYMBOL_GPL(nfs_sops);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *);
static int nfs4_validate_mount_data(void *options,
struct nfs_parsed_mount_data *args, const char *dev_name);
@@ -366,6 +366,7 @@ void nfs_sb_active(struct super_block *sb)
if (atomic_inc_return(&server->active) == 1)
atomic_inc(&sb->s_active);
}
+EXPORT_SYMBOL_GPL(nfs_sb_active);
void nfs_sb_deactive(struct super_block *sb)
{
@@ -374,6 +375,7 @@ void nfs_sb_deactive(struct super_block *sb)
if (atomic_dec_and_test(&server->active))
deactivate_super(sb);
}
+EXPORT_SYMBOL_GPL(nfs_sb_deactive);
/*
* Deliver file system statistics to userspace
@@ -439,6 +441,7 @@ int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
dprintk("%s: statfs error = %d\n", __func__, -error);
return error;
}
+EXPORT_SYMBOL_GPL(nfs_statfs);
/*
* Map the security flavour number to a name
@@ -544,7 +547,7 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
nfs_show_mountd_netid(m, nfss, showdefaults);
}
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
static void nfs_show_nfsv4_options(struct seq_file *m, struct nfs_server *nfss,
int showdefaults)
{
@@ -675,8 +678,9 @@ int nfs_show_options(struct seq_file *m, struct dentry *root)
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_show_options);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
#ifdef CONFIG_NFS_V4_1
static void show_sessions(struct seq_file *m, struct nfs_server *server)
{
@@ -709,7 +713,7 @@ static void show_implementation_id(struct seq_file *m, struct nfs_server *nfss)
}
}
#else
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
static void show_pnfs(struct seq_file *m, struct nfs_server *server)
{
}
@@ -734,12 +738,14 @@ int nfs_show_devname(struct seq_file *m, struct dentry *root)
free_page((unsigned long)page);
return err;
}
+EXPORT_SYMBOL_GPL(nfs_show_devname);
int nfs_show_path(struct seq_file *m, struct dentry *dentry)
{
seq_puts(m, "/");
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_show_path);
/*
* Present statistical information for this VFS mountpoint
@@ -774,7 +780,7 @@ int nfs_show_stats(struct seq_file *m, struct dentry *root)
seq_printf(m, ",bsize=%u", nfss->bsize);
seq_printf(m, ",namlen=%u", nfss->namelen);
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
if (nfss->nfs_client->rpc_ops->version == 4) {
seq_printf(m, "\n\tnfsv4:\t");
seq_printf(m, "bm0=0x%x", nfss->attr_bitmask[0]);
@@ -832,6 +838,7 @@ int nfs_show_stats(struct seq_file *m, struct dentry *root)
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_show_stats);
/*
* Begin unmount by attempting to remove all automounted mountpoints we added
@@ -851,6 +858,7 @@ void nfs_umount_begin(struct super_block *sb)
if (!IS_ERR(rpc))
rpc_killall_tasks(rpc);
}
+EXPORT_SYMBOL_GPL(nfs_umount_begin);
static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(void)
{
@@ -1915,7 +1923,7 @@ out_invalid_fh:
return -EINVAL;
}
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
static int nfs_validate_mount_data(struct file_system_type *fs_type,
void *options,
struct nfs_parsed_mount_data *args,
@@ -1953,7 +1961,7 @@ static int nfs_validate_text_mount_data(void *options,
goto out_no_address;
if (args->version == 4) {
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
port = NFS_PORT;
max_namelen = NFS4_MAXNAMLEN;
max_pathlen = NFS4_MAXPATHLEN;
@@ -1976,7 +1984,7 @@ static int nfs_validate_text_mount_data(void *options,
&args->nfs_server.export_path,
max_pathlen);
-#ifndef CONFIG_NFS_V4
+#if !IS_ENABLED(CONFIG_NFS_V4)
out_v4_not_compiled:
dfprintk(MOUNT, "NFS: NFSv4 is not compiled into kernel\n");
return -EPROTONOSUPPORT;
@@ -2075,6 +2083,7 @@ out:
kfree(data);
return error;
}
+EXPORT_SYMBOL_GPL(nfs_remount);
/*
* Initialise the common bits of the superblock
@@ -2123,6 +2132,7 @@ void nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info)
nfs_initialise_sb(sb);
}
+EXPORT_SYMBOL_GPL(nfs_fill_super);
/*
* Finish setting up a cloned NFS2/3/4 superblock
@@ -2292,6 +2302,7 @@ int nfs_set_sb_security(struct super_block *s, struct dentry *mntroot,
{
return security_sb_set_mnt_opts(s, &mount_info->parsed->lsm_opts);
}
+EXPORT_SYMBOL_GPL(nfs_set_sb_security);
int nfs_clone_sb_security(struct super_block *s, struct dentry *mntroot,
struct nfs_mount_info *mount_info)
@@ -2302,6 +2313,7 @@ int nfs_clone_sb_security(struct super_block *s, struct dentry *mntroot,
return -ESTALE;
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_clone_sb_security);
struct dentry *nfs_fs_mount_common(struct nfs_server *server,
int flags, const char *dev_name,
@@ -2375,6 +2387,7 @@ error_splat_bdi:
deactivate_locked_super(s);
goto out;
}
+EXPORT_SYMBOL_GPL(nfs_fs_mount_common);
struct dentry *nfs_fs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *raw_data)
@@ -2415,6 +2428,7 @@ out:
nfs_free_fhandle(mount_info.mntfh);
return mntroot;
}
+EXPORT_SYMBOL_GPL(nfs_fs_mount);
/*
* Ensure that we unregister the bdi before kill_anon_super
@@ -2426,6 +2440,7 @@ void nfs_put_super(struct super_block *s)
bdi_unregister(&server->backing_dev_info);
}
+EXPORT_SYMBOL_GPL(nfs_put_super);
/*
* Destroy an NFS2/3 superblock
@@ -2438,6 +2453,7 @@ void nfs_kill_super(struct super_block *s)
nfs_fscache_release_super_cookie(s);
nfs_free_server(server);
}
+EXPORT_SYMBOL_GPL(nfs_kill_super);
/*
* Clone an NFS2/3/4 server record on xdev traversal (FSID-change)
@@ -2478,7 +2494,7 @@ out_err:
goto out;
}
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *args)
{
@@ -2590,6 +2606,13 @@ bool nfs4_disable_idmapping = true;
unsigned short max_session_slots = NFS4_DEF_SLOT_TABLE_SIZE;
unsigned short send_implementation_id = 1;
+EXPORT_SYMBOL_GPL(nfs_callback_set_tcpport);
+EXPORT_SYMBOL_GPL(nfs_callback_tcpport);
+EXPORT_SYMBOL_GPL(nfs_idmap_cache_timeout);
+EXPORT_SYMBOL_GPL(nfs4_disable_idmapping);
+EXPORT_SYMBOL_GPL(max_session_slots);
+EXPORT_SYMBOL_GPL(send_implementation_id);
+
#define NFS_CALLBACK_MAXPORTNR (65535U)
static int param_set_portnr(const char *val, const struct kernel_param *kp)
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f268fe4f2785..e4a2ad2059bd 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -84,6 +84,7 @@ struct nfs_write_header *nfs_writehdr_alloc(void)
}
return p;
}
+EXPORT_SYMBOL_GPL(nfs_writehdr_alloc);
static struct nfs_write_data *nfs_writedata_alloc(struct nfs_pgio_header *hdr,
unsigned int pagecount)
@@ -115,6 +116,7 @@ void nfs_writehdr_free(struct nfs_pgio_header *hdr)
struct nfs_write_header *whdr = container_of(hdr, struct nfs_write_header, header);
mempool_free(whdr, nfs_wdata_mempool);
}
+EXPORT_SYMBOL_GPL(nfs_writehdr_free);
void nfs_writedata_release(struct nfs_write_data *wdata)
{
@@ -131,6 +133,7 @@ void nfs_writedata_release(struct nfs_write_data *wdata)
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
}
+EXPORT_SYMBOL_GPL(nfs_writedata_release);
static void nfs_context_set_write_error(struct nfs_open_context *ctx, int error)
{
@@ -446,7 +449,7 @@ nfs_mark_request_dirty(struct nfs_page *req)
__set_page_dirty_nobuffers(req->wb_page);
}
-#if IS_ENABLED(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4)
/**
* nfs_request_add_commit_list - add request to a commit list
* @req: pointer to a struct nfs_page
@@ -636,7 +639,7 @@ out:
hdr->release(hdr);
}
-#if IS_ENABLED(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4)
static unsigned long
nfs_reqs_to_commit(struct nfs_commit_info *cinfo)
{
@@ -1173,6 +1176,7 @@ int nfs_generic_flush(struct nfs_pageio_descriptor *desc,
return nfs_flush_multi(desc, hdr);
return nfs_flush_one(desc, hdr);
}
+EXPORT_SYMBOL_GPL(nfs_generic_flush);
static int nfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
{
@@ -1298,7 +1302,7 @@ void nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
return;
nfs_add_stats(inode, NFSIOS_SERVERWRITTENBYTES, resp->count);
-#if IS_ENABLED(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4)
if (resp->verf->committed < argp->stable && task->tk_status >= 0) {
/* We tried a write call, but the server did not
* commit data to stable storage even though we
@@ -1358,7 +1362,7 @@ void nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
}
-#if IS_ENABLED(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4)
static int nfs_commit_set_lock(struct nfs_inode *nfsi, int may_wait)
{
int ret;
@@ -1674,6 +1678,7 @@ int nfs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
return nfs_commit_unstable_pages(inode, wbc);
}
+EXPORT_SYMBOL_GPL(nfs_write_inode);
/*
* flush the inode to disk.
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 4b6043c20f77..2889877318bc 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -191,7 +191,7 @@ struct nfs_inode {
struct hlist_head silly_list;
wait_queue_head_t waitqueue;
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
struct nfs4_cached_acl *nfs4_acl;
/* NFSv4 state */
struct list_head open_states;
@@ -428,7 +428,7 @@ extern __be32 root_nfs_parse_addr(char *name); /*__init*/
* linux/fs/nfs/file.c
*/
extern const struct file_operations nfs_file_operations;
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
extern const struct file_operations nfs4_file_operations;
#endif /* CONFIG_NFS_V4 */
extern const struct address_space_operations nfs_file_aops;
@@ -538,7 +538,7 @@ extern void nfs_writeback_done(struct rpc_task *, struct nfs_write_data *);
extern int nfs_wb_all(struct inode *inode);
extern int nfs_wb_page(struct inode *inode, struct page* page);
extern int nfs_wb_page_cancel(struct inode *inode, struct page* page);
-#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4)
extern int nfs_commit_inode(struct inode *, int);
extern struct nfs_commit_data *nfs_commitdata_alloc(void);
extern void nfs_commit_free(struct nfs_commit_data *data);
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 6039297801f4..310c63c8ab2c 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -53,7 +53,7 @@ struct nfs_client {
u32 cl_minorversion;/* NFSv4 minorversion */
struct rpc_cred *cl_machine_cred;
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
u64 cl_clientid; /* constant */
nfs4_verifier cl_confirm; /* Clientid verifier */
unsigned long cl_state;
@@ -138,7 +138,7 @@ struct nfs_server {
#endif
u32 pnfs_blksize; /* layout_blksize attr */
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
u32 attr_bitmask[3];/* V4 bitmask representing the set
of attributes supported on this
filesystem */
@@ -201,7 +201,7 @@ struct nfs_server {
#define NFS4_MAX_SLOT_TABLE (256U)
#define NFS4_NO_SLOT ((u32)-1)
-#if defined(CONFIG_NFS_V4)
+#if IS_ENABLED(CONFIG_NFS_V4)
/* Sessions */
#define SLOT_TABLE_SZ DIV_ROUND_UP(NFS4_MAX_SLOT_TABLE, 8*sizeof(long))
diff --git a/include/linux/nfs_idmap.h b/include/linux/nfs_idmap.h
index 7eed2012d288..ece91c57ad79 100644
--- a/include/linux/nfs_idmap.h
+++ b/include/linux/nfs_idmap.h
@@ -69,7 +69,7 @@ struct nfs_server;
struct nfs_fattr;
struct nfs4_string;
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
int nfs_idmap_init(void);
void nfs_idmap_quit(void);
#else
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 631182062994..00485e084394 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -824,7 +824,7 @@ struct nfs3_getaclres {
struct posix_acl * acl_default;
};
-#ifdef CONFIG_NFS_V4
+#if IS_ENABLED(CONFIG_NFS_V4)
typedef u64 clientid4;
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