super.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/time.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/stat.h>
#include <linux/errno.h>
#include <linux/unistd.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/stats.h>
#include <linux/sunrpc/metrics.h>
#include <linux/sunrpc/xprtsock.h>
#include <linux/sunrpc/xprtrdma.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_mount.h>
#include <linux/nfs4_mount.h>
#include <linux/lockd/bind.h>
#include <linux/seq_file.h>
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/nfs_idmap.h>
#include <linux/vfs.h>
#include <linux/inet.h>
#include <linux/in6.h>
#include <linux/slab.h>
#include <net/ipv6.h>
#include <linux/netdevice.h>
#include <linux/nfs_xdr.h>
#include <linux/magic.h>
#include <linux/parser.h>
#include <linux/nsproxy.h>
#include <linux/rcupdate.h>
#include <linux/kthread.h>
#include <asm/uaccess.h>
#include "nfs4_fs.h"
#include "callback.h"
#include "delegation.h"
#include "iostat.h"
#include "internal.h"
#include "fscache.h"
#include "pnfs.h"
#include "nfs.h"

Go to the source code of this file.

Data Structures
struct	nfs_sb_mountdata

Macros
#define	NFSDBG_FACILITY   NFSDBG_VFS
#define	NFS_TEXT_DATA   1
#define	NFS_DEFAULT_VERSION   2

Enumerations
enum	{   Opt_soft, Opt_hard, Opt_posix, Opt_noposix,   Opt_cto, Opt_nocto, Opt_ac, Opt_noac,   Opt_lock, Opt_nolock, Opt_udp, Opt_tcp,   Opt_rdma, Opt_acl, Opt_noacl, Opt_rdirplus,   Opt_nordirplus, Opt_sharecache, Opt_nosharecache, Opt_resvport,   Opt_noresvport, Opt_fscache, Opt_nofscache, Opt_migration,   Opt_nomigration, Opt_port, Opt_rsize, Opt_wsize,   Opt_bsize, Opt_timeo, Opt_retrans, Opt_acregmin,   Opt_acregmax, Opt_acdirmin, Opt_acdirmax, Opt_actimeo,   Opt_namelen, Opt_mountport, Opt_mountvers, Opt_minorversion,   Opt_nfsvers, Opt_sec, Opt_proto, Opt_mountproto,   Opt_mounthost, Opt_addr, Opt_mountaddr, Opt_clientaddr,   Opt_lookupcache, Opt_fscache_uniq, Opt_local_lock, Opt_userspace,   Opt_deprecated, Opt_sloppy, Opt_err }
enum	{   Opt_xprt_udp, Opt_xprt_udp6, Opt_xprt_tcp, Opt_xprt_tcp6,   Opt_xprt_rdma, Opt_xprt_err }
enum	{   Opt_sec_none, Opt_sec_sys, Opt_sec_krb5, Opt_sec_krb5i,   Opt_sec_krb5p, Opt_sec_lkey, Opt_sec_lkeyi, Opt_sec_lkeyp,   Opt_sec_spkm, Opt_sec_spkmi, Opt_sec_spkmp, Opt_sec_err }
enum	{ Opt_lookupcache_all, Opt_lookupcache_positive, Opt_lookupcache_none, Opt_lookupcache_err }
enum	{   Opt_local_lock_all, Opt_local_lock_flock, Opt_local_lock_posix, Opt_local_lock_none,   Opt_local_lock_err }
enum	{   Opt_vers_2, Opt_vers_3, Opt_vers_4, Opt_vers_4_0,   Opt_vers_4_1, Opt_vers_err }

Functions
	EXPORT_SYMBOL_GPL (nfs_fs_type)
	EXPORT_SYMBOL_GPL (nfs_sops)
int __init	register_nfs_fs (void)
void __exit	unregister_nfs_fs (void)
void	nfs_sb_active (struct super_block *sb)
	EXPORT_SYMBOL_GPL (nfs_sb_active)
void	nfs_sb_deactive (struct super_block *sb)
	EXPORT_SYMBOL_GPL (nfs_sb_deactive)
void	nfs_sb_deactive_async (struct super_block *sb)
	EXPORT_SYMBOL_GPL (nfs_sb_deactive_async)
int	nfs_statfs (struct dentry *dentry, struct kstatfs *buf)
	EXPORT_SYMBOL_GPL (nfs_statfs)
int	nfs_show_options (struct seq_file *m, struct dentry *root)
	EXPORT_SYMBOL_GPL (nfs_show_options)
int	nfs_show_devname (struct seq_file *m, struct dentry *root)
	EXPORT_SYMBOL_GPL (nfs_show_devname)
int	nfs_show_path (struct seq_file *m, struct dentry *dentry)
	EXPORT_SYMBOL_GPL (nfs_show_path)
int	nfs_show_stats (struct seq_file *m, struct dentry *root)
	EXPORT_SYMBOL_GPL (nfs_show_stats)
void	nfs_umount_begin (struct super_block *sb)
	EXPORT_SYMBOL_GPL (nfs_umount_begin)
struct dentry *	nfs_try_mount (int flags, const char *dev_name, struct nfs_mount_info *mount_info, struct nfs_subversion *nfs_mod)
	EXPORT_SYMBOL_GPL (nfs_try_mount)
int	nfs_remount (struct super_block *sb, int *flags, char *raw_data)
	EXPORT_SYMBOL_GPL (nfs_remount)
void	nfs_initialise_sb (struct super_block *sb)
void	nfs_fill_super (struct super_block *sb, struct nfs_mount_info *mount_info)
	EXPORT_SYMBOL_GPL (nfs_fill_super)
void	nfs_clone_super (struct super_block *sb, struct nfs_mount_info *mount_info)
int	nfs_set_sb_security (struct super_block *s, struct dentry *mntroot, struct nfs_mount_info *mount_info)
	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)
	EXPORT_SYMBOL_GPL (nfs_clone_sb_security)
struct dentry *	nfs_fs_mount_common (struct nfs_server *server, int flags, const char *dev_name, struct nfs_mount_info *mount_info, struct nfs_subversion *nfs_mod)
	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)
	EXPORT_SYMBOL_GPL (nfs_fs_mount)
void	nfs_put_super (struct super_block *s)
	EXPORT_SYMBOL_GPL (nfs_put_super)
void	nfs_kill_super (struct super_block *s)
	EXPORT_SYMBOL_GPL (nfs_kill_super)

Variables
struct file_system_type	nfs_fs_type
struct file_system_type	nfs_xdev_fs_type
struct super_operations	nfs_sops

Macro Definition Documentation

#define NFS_DEFAULT_VERSION   2

Definition at line 76 of file super.c.

#define NFS_TEXT_DATA   1

Definition at line 71 of file super.c.

#define NFSDBG_FACILITY   NFSDBG_VFS

Definition at line 70 of file super.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

Opt_soft
Opt_hard
Opt_posix
Opt_noposix
Opt_cto
Opt_nocto
Opt_ac
Opt_noac
Opt_lock
Opt_nolock
Opt_udp
Opt_tcp
Opt_rdma
Opt_acl
Opt_noacl
Opt_rdirplus
Opt_nordirplus
Opt_sharecache
Opt_nosharecache
Opt_resvport
Opt_noresvport
Opt_fscache
Opt_nofscache
Opt_migration
Opt_nomigration
Opt_port
Opt_rsize
Opt_wsize
Opt_bsize
Opt_timeo
Opt_retrans
Opt_acregmin
Opt_acregmax
Opt_acdirmin
Opt_acdirmax
Opt_actimeo
Opt_namelen
Opt_mountport
Opt_mountvers
Opt_minorversion
Opt_nfsvers
Opt_sec
Opt_proto
Opt_mountproto
Opt_mounthost
Opt_addr
Opt_mountaddr
Opt_clientaddr
Opt_lookupcache
Opt_fscache_uniq
Opt_local_lock
Opt_userspace
Opt_deprecated
Opt_sloppy
Opt_err

Definition at line 79 of file super.c.

anonymous enum

Enumerator:

Opt_xprt_udp
Opt_xprt_udp6
Opt_xprt_tcp
Opt_xprt_tcp6
Opt_xprt_rdma
Opt_xprt_err

Definition at line 192 of file super.c.

anonymous enum

Enumerator:

Opt_sec_none
Opt_sec_sys
Opt_sec_krb5
Opt_sec_krb5i
Opt_sec_krb5p
Opt_sec_lkey
Opt_sec_lkeyi
Opt_sec_lkeyp
Opt_sec_spkm
Opt_sec_spkmi
Opt_sec_spkmp
Opt_sec_err

Definition at line 208 of file super.c.

anonymous enum

Enumerator:

Opt_lookupcache_all
Opt_lookupcache_positive
Opt_lookupcache_none
Opt_lookupcache_err

Definition at line 237 of file super.c.

anonymous enum

Enumerator:

Opt_local_lock_all
Opt_local_lock_flock
Opt_local_lock_posix
Opt_local_lock_none
Opt_local_lock_err

Definition at line 253 of file super.c.

anonymous enum

Enumerator:

Opt_vers_2
Opt_vers_3
Opt_vers_4
Opt_vers_4_0
Opt_vers_4_1
Opt_vers_err

Definition at line 269 of file super.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

nfs_fs_type

)

EXPORT_SYMBOL_GPL

(

nfs_sops

)

EXPORT_SYMBOL_GPL

(

nfs_sb_active

)

EXPORT_SYMBOL_GPL

(

nfs_sb_deactive

)

EXPORT_SYMBOL_GPL

(

nfs_sb_deactive_async

)

EXPORT_SYMBOL_GPL

(

nfs_statfs

)

EXPORT_SYMBOL_GPL

(

nfs_show_options

)

EXPORT_SYMBOL_GPL

(

nfs_show_devname

)

EXPORT_SYMBOL_GPL

(

nfs_show_path

)

EXPORT_SYMBOL_GPL

(

nfs_show_stats

)

EXPORT_SYMBOL_GPL

(

nfs_umount_begin

)

EXPORT_SYMBOL_GPL

(

nfs_try_mount

)

EXPORT_SYMBOL_GPL

(

nfs_remount

)

EXPORT_SYMBOL_GPL

(

nfs_fill_super

)

EXPORT_SYMBOL_GPL

(

nfs_set_sb_security

)

EXPORT_SYMBOL_GPL

(

nfs_clone_sb_security

)

EXPORT_SYMBOL_GPL

(

nfs_fs_mount_common

)

EXPORT_SYMBOL_GPL

(

nfs_fs_mount

)

EXPORT_SYMBOL_GPL

(

nfs_put_super

)

EXPORT_SYMBOL_GPL

(

nfs_kill_super

)

int nfs_clone_sb_security	(	struct super_block *	s,
		struct dentry *	mntroot,
		struct nfs_mount_info *	mount_info
	)

Definition at line 2412 of file super.c.

void nfs_clone_super	(	struct super_block *	sb,
		struct nfs_mount_info *	mount_info
	)

Definition at line 2245 of file super.c.

void nfs_fill_super	(	struct super_block *	sb,
		struct nfs_mount_info *	mount_info
	)

Definition at line 2218 of file super.c.

struct dentry* nfs_fs_mount ( struct file_system_type *  fs_type, int  flags, const char *  dev_name, void *  raw_data  )

read

Definition at line 2497 of file super.c.

struct dentry* nfs_fs_mount_common ( struct nfs_server *  server, int  flags, const char *  dev_name, struct nfs_mount_info *  mount_info, struct nfs_subversion *  nfs_mod  )

read

Definition at line 2423 of file super.c.

void nfs_initialise_sb ( struct super_block *  sb )

inline

Definition at line 2196 of file super.c.

void nfs_kill_super

(

struct super_block *

s

)

Definition at line 2553 of file super.c.

void nfs_put_super

(

struct super_block *

s

)

Definition at line 2542 of file super.c.

int nfs_remount	(	struct super_block *	sb,
		int *	flags,
		char *	raw_data
	)

Definition at line 2131 of file super.c.

void nfs_sb_active

(

struct super_block *

sb

)

Definition at line 401 of file super.c.

void nfs_sb_deactive

(

struct super_block *

sb

)

Definition at line 410 of file super.c.

void nfs_sb_deactive_async

(

struct super_block *

sb

)

Definition at line 458 of file super.c.

int nfs_set_sb_security	(	struct super_block *	s,
		struct dentry *	mntroot,
		struct nfs_mount_info *	mount_info
	)

Definition at line 2405 of file super.c.

int nfs_show_devname	(	struct seq_file *	m,
		struct dentry *	root
	)

Definition at line 816 of file super.c.

int nfs_show_options	(	struct seq_file *	m,
		struct dentry *	root
	)

Definition at line 757 of file super.c.

int nfs_show_path	(	struct seq_file *	m,
		struct dentry *	dentry
	)

Definition at line 833 of file super.c.

int nfs_show_stats	(	struct seq_file *	m,
		struct dentry *	root
	)

Definition at line 843 of file super.c.

int nfs_statfs	(	struct dentry *	dentry,
		struct kstatfs *	buf
	)

Definition at line 470 of file super.c.

struct dentry* nfs_try_mount ( int  flags, const char *  dev_name, struct nfs_mount_info *  mount_info, struct nfs_subversion *  nfs_mod  )

read

Definition at line 1767 of file super.c.

void nfs_umount_begin

(

struct super_block *

sb

)

Definition at line 937 of file super.c.

int __init register_nfs_fs

(

void

)

Definition at line 364 of file super.c.

void __exit unregister_nfs_fs

(

void

)

Definition at line 393 of file super.c.

Variable Documentation

struct file_system_type nfs_fs_type

Initial value:

= {
    .owner      = THIS_MODULE,
    .name       = "nfs",
    .mount      = nfs_fs_mount,
    .kill_sb    = nfs_kill_super,
    .fs_flags   = FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
}

Definition at line 289 of file super.c.

struct super_operations nfs_sops

Initial value:

= {
    .alloc_inode    = nfs_alloc_inode,
    .destroy_inode  = nfs_destroy_inode,
    .write_inode    = nfs_write_inode,
    .put_super  = nfs_put_super,
    .statfs     = nfs_statfs,
    .evict_inode    = nfs_evict_inode,
    .umount_begin   = nfs_umount_begin,
    .show_options   = nfs_show_options,
    .show_devname   = nfs_show_devname,
    .show_path  = nfs_show_path,
    .show_stats = nfs_show_stats,
    .remount_fs = nfs_remount,
}

Definition at line 306 of file super.c.

struct file_system_type nfs_xdev_fs_type

Initial value:

= {
    .owner      = THIS_MODULE,
    .name       = "nfs",
    .mount      = nfs_xdev_mount,
    .kill_sb    = nfs_kill_super,
    .fs_flags   = FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
}

Definition at line 298 of file super.c.