vfs.c File Reference

#include <linux/fs.h>
#include <linux/file.h>
#include <linux/splice.h>
#include <linux/fcntl.h>
#include <linux/namei.h>
#include <linux/delay.h>
#include <linux/fsnotify.h>
#include <linux/posix_acl_xattr.h>
#include <linux/xattr.h>
#include <linux/jhash.h>
#include <linux/ima.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <linux/exportfs.h>
#include <linux/writeback.h>
#include "nfsd.h"
#include "vfs.h"

Go to the source code of this file.

Data Structures
struct	raparms
struct	raparm_hbucket
struct	buffered_dirent
struct	readdir_data

Macros
#define	NFSDDBG_FACILITY   NFSDDBG_FILEOP
#define	RAPARM_HASH_BITS   4
#define	RAPARM_HASH_SIZE   (1<<RAPARM_HASH_BITS)
#define	RAPARM_HASH_MASK   (RAPARM_HASH_SIZE-1)
#define	BOTH_TIME_SET   (ATTR_ATIME_SET | ATTR_MTIME_SET)
#define	MAX_TOUCH_TIME_ERROR   (30*60)

Functions
int	nfsd_cross_mnt (struct svc_rqst *rqstp, struct dentry **dpp, struct svc_export **expp)
int	nfsd_mountpoint (struct dentry *dentry, struct svc_export *exp)
__be32	nfsd_lookup_dentry (struct svc_rqst *rqstp, struct svc_fh *fhp, const char *name, unsigned int len, struct svc_export **exp_ret, struct dentry **dentry_ret)
__be32	nfsd_lookup (struct svc_rqst *rqstp, struct svc_fh *fhp, const char *name, unsigned int len, struct svc_fh *resfh)
__be32	nfsd_setattr (struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap, int check_guard, time_t guardtime)
__be32	nfsd_open (struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int may_flags, struct file **filp)
void	nfsd_close (struct file *filp)
__be32	nfsd_read (struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t offset, struct kvec *vec, int vlen, unsigned long *count)
__be32	nfsd_read_file (struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, loff_t offset, struct kvec *vec, int vlen, unsigned long *count)
__be32	nfsd_write (struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, loff_t offset, struct kvec *vec, int vlen, unsigned long *cnt, int *stablep)
__be32	nfsd_create (struct svc_rqst *rqstp, struct svc_fh *fhp, char *fname, int flen, struct iattr *iap, int type, dev_t rdev, struct svc_fh *resfhp)
__be32	nfsd_readlink (struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)
__be32	nfsd_symlink (struct svc_rqst *rqstp, struct svc_fh *fhp, char *fname, int flen, char *path, int plen, struct svc_fh *resfhp, struct iattr *iap)
__be32	nfsd_link (struct svc_rqst *rqstp, struct svc_fh *ffhp, char *name, int len, struct svc_fh *tfhp)
__be32	nfsd_rename (struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen, struct svc_fh *tfhp, char *tname, int tlen)
__be32	nfsd_unlink (struct svc_rqst *rqstp, struct svc_fh *fhp, int type, char *fname, int flen)
__be32	nfsd_readdir (struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp, struct readdir_cd *cdp, filldir_t func)
__be32	nfsd_statfs (struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat, int access)
__be32	nfsd_permission (struct svc_rqst *rqstp, struct svc_export *exp, struct dentry *dentry, int acc)
void	nfsd_racache_shutdown (void)
int	nfsd_racache_init (int cache_size)

Variables
struct raparm_hbucket	____cacheline_aligned_in_smp

Macro Definition Documentation

#define BOTH_TIME_SET   (ATTR_ATIME_SET | ATTR_MTIME_SET)

#define MAX_TOUCH_TIME_ERROR   (30*60)

#define NFSDDBG_FACILITY   NFSDDBG_FILEOP

Definition at line 44 of file vfs.c.

#define RAPARM_HASH_BITS   4

Definition at line 69 of file vfs.c.

#define RAPARM_HASH_MASK   (RAPARM_HASH_SIZE-1)

Definition at line 71 of file vfs.c.

#define RAPARM_HASH_SIZE   (1<<RAPARM_HASH_BITS)

Definition at line 70 of file vfs.c.

Function Documentation

void nfsd_close

(

struct file *

filp

)

Definition at line 827 of file vfs.c.

__be32 nfsd_create	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		char *	fname,
		int	flen,
		struct iattr *	iap,
		int	type,
		dev_t	rdev,
		struct svc_fh *	resfhp
	)

Definition at line 1255 of file vfs.c.

int nfsd_cross_mnt	(	struct svc_rqst *	rqstp,
		struct dentry **	dpp,
		struct svc_export **	expp
	)

Definition at line 81 of file vfs.c.

__be32 nfsd_link	(	struct svc_rqst *	rqstp,
		struct svc_fh *	ffhp,
		char *	name,
		int	len,
		struct svc_fh *	tfhp
	)

Definition at line 1671 of file vfs.c.

__be32 nfsd_lookup	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		const char *	name,
		unsigned int	len,
		struct svc_fh *	resfh
	)

Definition at line 246 of file vfs.c.

__be32 nfsd_lookup_dentry	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		const char *	name,
		unsigned int	len,
		struct svc_export **	exp_ret,
		struct dentry **	dentry_ret
	)

Definition at line 179 of file vfs.c.

int nfsd_mountpoint	(	struct dentry *	dentry,
		struct svc_export *	exp
	)

Definition at line 167 of file vfs.c.

__be32 nfsd_open	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		umode_t	type,
		int	may_flags,
		struct file **	filp
	)

Definition at line 745 of file vfs.c.

__be32 nfsd_permission	(	struct svc_rqst *	rqstp,
		struct svc_export *	exp,
		struct dentry *	dentry,
		int	acc
	)

Definition at line 2097 of file vfs.c.

int nfsd_racache_init

(

int

cache_size

)

Definition at line 2200 of file vfs.c.

void nfsd_racache_shutdown

(

void

)

Definition at line 2179 of file vfs.c.

__be32 nfsd_read	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		loff_t	offset,
		struct kvec *	vec,
		int	vlen,
		unsigned long *	count
	)

Definition at line 1077 of file vfs.c.

__be32 nfsd_read_file	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		struct file *	file,
		loff_t	offset,
		struct kvec *	vec,
		int	vlen,
		unsigned long *	count
	)

Definition at line 1115 of file vfs.c.

__be32 nfsd_readdir	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		loff_t *	offsetp,
		struct readdir_cd *	cdp,
		filldir_t	func
	)

Definition at line 2035 of file vfs.c.

__be32 nfsd_readlink	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		char *	buf,
		int *	lenp
	)

Definition at line 1558 of file vfs.c.

__be32 nfsd_rename	(	struct svc_rqst *	rqstp,
		struct svc_fh *	ffhp,
		char *	fname,
		int	flen,
		struct svc_fh *	tfhp,
		char *	tname,
		int	tlen
	)

Definition at line 1749 of file vfs.c.

__be32 nfsd_setattr	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		struct iattr *	iap,
		int	check_guard,
		time_t	guardtime
	)

Definition at line 304 of file vfs.c.

__be32 nfsd_statfs	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		struct kstatfs *	stat,
		int	access
	)

Definition at line 2072 of file vfs.c.

__be32 nfsd_symlink	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		char *	fname,
		int	flen,
		char *	path,
		int	plen,
		struct svc_fh *	resfhp,
		struct iattr *	iap
	)

Definition at line 1604 of file vfs.c.

__be32 nfsd_unlink	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		int	type,
		char *	fname,
		int	flen
	)

Definition at line 1855 of file vfs.c.

__be32 nfsd_write	(	struct svc_rqst *	rqstp,
		struct svc_fh *	fhp,
		struct file *	file,
		loff_t	offset,
		struct kvec *	vec,
		int	vlen,
		unsigned long *	cnt,
		int *	stablep
	)

Definition at line 1139 of file vfs.c.

Variable Documentation

struct raparm_hbucket ____cacheline_aligned_in_smp