Release 4.13 fs/nfsd/xdr.h

/* XDR types for nfsd. This is mainly a typing exercise. */

#ifndef LINUX_NFSD_H

#define LINUX_NFSD_H

#include <linux/vfs.h>
#include "nfsd.h"
#include "nfsfh.h"


struct nfsd_fhandle {
	
struct svc_fh		fh;
};


struct nfsd_sattrargs {
	
struct svc_fh		fh;
	
struct iattr		attrs;
};


struct nfsd_diropargs {
	
struct svc_fh		fh;
	
char *			name;
	
unsigned int		len;
};


struct nfsd_readargs {
	
struct svc_fh		fh;
	
__u32			offset;
	
__u32			count;
	
int			vlen;
};


struct nfsd_writeargs {
	
svc_fh			fh;
	
__u32			offset;
	
int			len;
	
int			vlen;
};


struct nfsd_createargs {
	
struct svc_fh		fh;
	
char *			name;
	
unsigned int		len;
	
struct iattr		attrs;
};


struct nfsd_renameargs {
	
struct svc_fh		ffh;
	
char *			fname;
	
unsigned int		flen;
	
struct svc_fh		tfh;
	
char *			tname;
	
unsigned int		tlen;
};


struct nfsd_readlinkargs {
	
struct svc_fh		fh;
	
char *			buffer;
};
	

struct nfsd_linkargs {
	
struct svc_fh		ffh;
	
struct svc_fh		tfh;
	
char *			tname;
	
unsigned int		tlen;
};


struct nfsd_symlinkargs {
	
struct svc_fh		ffh;
	
char *			fname;
	
unsigned int		flen;
	
char *			tname;
	
unsigned int		tlen;
	
struct iattr		attrs;
};


struct nfsd_readdirargs {
	
struct svc_fh		fh;
	
__u32			cookie;
	
__u32			count;
	
__be32 *		buffer;
};


struct nfsd_attrstat {
	
struct svc_fh		fh;
	
struct kstat		stat;
};


struct nfsd_diropres  {
	
struct svc_fh		fh;
	
struct kstat		stat;
};


struct nfsd_readlinkres {
	
int			len;
};


struct nfsd_readres {
	
struct svc_fh		fh;
	
unsigned long		count;
	
struct kstat		stat;
};


struct nfsd_readdirres {
	
int			count;

	
struct readdir_cd	common;
	
__be32 *		buffer;
	
int			buflen;
	
__be32 *		offset;
};


struct nfsd_statfsres {
	
struct kstatfs		stats;
};

/*
 * Storage requirements for XDR arguments and results.
 */

union nfsd_xdrstore {
	
struct nfsd_sattrargs	sattr;
	
struct nfsd_diropargs	dirop;
	
struct nfsd_readargs	read;
	
struct nfsd_writeargs	write;
	
struct nfsd_createargs	create;
	
struct nfsd_renameargs	rename;
	
struct nfsd_linkargs	link;
	
struct nfsd_symlinkargs	symlink;
	
struct nfsd_readdirargs	readdir;
};


#define NFS2_SVC_XDRSIZE	sizeof(union nfsd_xdrstore)


int nfssvc_decode_void(struct svc_rqst *, __be32 *);
int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *);
int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_createargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *);
int nfssvc_encode_void(struct svc_rqst *, __be32 *);
int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *);
int nfssvc_encode_diropres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readres(struct svc_rqst *, __be32 *);
int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *);

int nfssvc_encode_entry(void *, const char *name,
			int namlen, loff_t offset, u64 ino, unsigned int);

void nfssvc_release_fhandle(struct svc_rqst *);

/* Helper functions for NFSv2 ACL code */
__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, struct kstat *stat);
__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp);

#endif /* LINUX_NFSD_H */
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Linus Torvalds (pre-git)
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Neil Brown
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