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authorBryan Schumaker <bjschuma@netapp.com>2012-07-16 22:39:13 +0200
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-17 19:33:13 +0200
commit129d1977ed39cbb4f091a518e4a12498c04f45ba (patch)
treea795a5885ba0abc2f7e22b18cf3a74c566f59684 /fs
parentNFS: Split out NFS v4 inode operations (diff)
downloadlinux-129d1977ed39cbb4f091a518e4a12498c04f45ba.tar.xz
linux-129d1977ed39cbb4f091a518e4a12498c04f45ba.zip
NFS: Create an init_nfs_v4() function
I want to initialize all of NFS v4 in a single function that will eventually be used as the v4 module init function. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/Makefile2
-rw-r--r--fs/nfs/inode.c67
-rw-r--r--fs/nfs/nfs4_fs.h4
-rw-r--r--fs/nfs/nfs4super.c23
4 files changed, 65 insertions, 31 deletions
diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile
index 7ddd45d9f170..162a699134ca 100644
--- a/fs/nfs/Makefile
+++ b/fs/nfs/Makefile
@@ -13,7 +13,7 @@ nfs-$(CONFIG_NFS_V2) += proc.o nfs2xdr.o
nfs-$(CONFIG_NFS_V3) += nfs3proc.o nfs3xdr.o
nfs-$(CONFIG_NFS_V3_ACL) += nfs3acl.o
nfs-$(CONFIG_NFS_V4) += nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o \
- delegation.o idmap.o \
+ nfs4super.o delegation.o idmap.o \
callback.o callback_xdr.o callback_proc.o \
nfs4namespace.o
nfs-$(CONFIG_NFS_V4_1) += pnfs.o pnfs_dev.o
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 28c9ebbe78a6..35f7e4bc680e 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -32,7 +32,6 @@
#include <linux/lockd/bind.h>
#include <linux/seq_file.h>
#include <linux/mount.h>
-#include <linux/nfs_idmap.h>
#include <linux/vfs.h>
#include <linux/inet.h>
#include <linux/nfs_xdr.h>
@@ -1628,87 +1627,96 @@ static int __init init_nfs_fs(void)
{
int err;
- err = nfs_idmap_init();
- if (err < 0)
- goto out10;
-
err = nfs_dns_resolver_init();
if (err < 0)
- goto out9;
+ goto out11;
err = register_pernet_subsys(&nfs_net_ops);
if (err < 0)
- goto out8;
+ goto out10;
err = nfs_fscache_register();
if (err < 0)
- goto out7;
+ goto out9;
err = nfsiod_start();
if (err)
- goto out6;
+ goto out8;
err = nfs_fs_proc_init();
if (err)
- goto out5;
+ goto out7;
err = nfs_init_nfspagecache();
if (err)
- goto out4;
+ goto out6;
err = nfs_init_inodecache();
if (err)
- goto out3;
+ goto out5;
err = nfs_init_readpagecache();
if (err)
- goto out2;
+ goto out4;
err = nfs_init_writepagecache();
if (err)
- goto out1;
+ goto out3;
err = nfs_init_directcache();
if (err)
- goto out0;
+ goto out2;
#ifdef CONFIG_PROC_FS
rpc_proc_register(&init_net, &nfs_rpcstat);
#endif
+
+#ifdef CONFIG_NFS_V4
+ err = init_nfs_v4();
+ if (err)
+ goto out1;
+#endif
+
if ((err = register_nfs_fs()) != 0)
- goto out;
+ goto out0;
+
return 0;
-out:
+out0:
+#ifdef CONFIG_NFS_V4
+ exit_nfs_v4();
+out1:
+#endif
#ifdef CONFIG_PROC_FS
rpc_proc_unregister(&init_net, "nfs");
#endif
nfs_destroy_directcache();
-out0:
- nfs_destroy_writepagecache();
-out1:
- nfs_destroy_readpagecache();
out2:
- nfs_destroy_inodecache();
+ nfs_destroy_writepagecache();
out3:
- nfs_destroy_nfspagecache();
+ nfs_destroy_readpagecache();
out4:
- nfs_fs_proc_exit();
+ nfs_destroy_inodecache();
out5:
- nfsiod_stop();
+ nfs_destroy_nfspagecache();
out6:
- nfs_fscache_unregister();
+ nfs_fs_proc_exit();
out7:
- unregister_pernet_subsys(&nfs_net_ops);
+ nfsiod_stop();
out8:
- nfs_dns_resolver_destroy();
+ nfs_fscache_unregister();
out9:
- nfs_idmap_quit();
+ unregister_pernet_subsys(&nfs_net_ops);
out10:
+ nfs_dns_resolver_destroy();
+out11:
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();
@@ -1717,7 +1725,6 @@ static void __exit exit_nfs_fs(void)
nfs_fscache_unregister();
unregister_pernet_subsys(&nfs_net_ops);
nfs_dns_resolver_destroy();
- nfs_idmap_quit();
#ifdef CONFIG_PROC_FS
rpc_proc_unregister(&init_net, "nfs");
#endif
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index e2c4c72d3866..1a6ed3f9a32a 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -364,6 +364,10 @@ extern void nfs4_free_lock_state(struct nfs_server *server, struct nfs4_lock_sta
extern const nfs4_stateid zero_stateid;
+/* nfs4super.c */
+int init_nfs_v4(void);
+void exit_nfs_v4(void);
+
/* nfs4xdr.c */
extern struct rpc_procinfo nfs4_procedures[];
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
new file mode 100644
index 000000000000..366e41459695
--- /dev/null
+++ b/fs/nfs/nfs4super.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2012 Bryan Schumaker <bjschuma@netapp.com>
+ */
+#include <linux/init.h>
+#include <linux/nfs_idmap.h>
+
+int __init init_nfs_v4(void)
+{
+ int err;
+
+ err = nfs_idmap_init();
+ if (err)
+ goto out;
+
+ return 0;
+out:
+ return err;
+}
+
+void __exit exit_nfs_v4(void)
+{
+ nfs_idmap_quit();
+}