 068c34c0ce
			
		
	
	
	068c34c0ce
	
	
	
		
			
			We stick an extra svc_fh in nfsd3_readdirres to save the need to kmalloc, though maybe it would be fine to kmalloc instead. Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
		
			
				
	
	
		
			349 lines
		
	
	
	
		
			8.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			349 lines
		
	
	
	
		
			8.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * XDR types for NFSv3 in nfsd.
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|  *
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|  * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
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|  */
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| 
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| #ifndef _LINUX_NFSD_XDR3_H
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| #define _LINUX_NFSD_XDR3_H
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| 
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| #include "xdr.h"
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| 
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| struct nfsd3_sattrargs {
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| 	struct svc_fh		fh;
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| 	struct iattr		attrs;
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| 	int			check_guard;
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| 	time_t			guardtime;
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| };
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| 
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| struct nfsd3_diropargs {
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| 	struct svc_fh		fh;
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| 	char *			name;
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| 	unsigned int		len;
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| };
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| 
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| struct nfsd3_accessargs {
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| 	struct svc_fh		fh;
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| 	unsigned int		access;
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| };
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| 
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| struct nfsd3_readargs {
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| 	struct svc_fh		fh;
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| 	__u64			offset;
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| 	__u32			count;
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| 	int			vlen;
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| };
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| 
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| struct nfsd3_writeargs {
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| 	svc_fh			fh;
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| 	__u64			offset;
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| 	__u32			count;
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| 	int			stable;
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| 	__u32			len;
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| 	int			vlen;
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| };
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| 
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| struct nfsd3_createargs {
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| 	struct svc_fh		fh;
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| 	char *			name;
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| 	unsigned int		len;
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| 	int			createmode;
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| 	struct iattr		attrs;
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| 	__be32 *		verf;
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| };
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| 
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| struct nfsd3_mknodargs {
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| 	struct svc_fh		fh;
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| 	char *			name;
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| 	unsigned int		len;
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| 	__u32			ftype;
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| 	__u32			major, minor;
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| 	struct iattr		attrs;
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| };
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| 
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| struct nfsd3_renameargs {
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| 	struct svc_fh		ffh;
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| 	char *			fname;
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| 	unsigned int		flen;
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| 	struct svc_fh		tfh;
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| 	char *			tname;
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| 	unsigned int		tlen;
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| };
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| 
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| struct nfsd3_readlinkargs {
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| 	struct svc_fh		fh;
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| 	char *			buffer;
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| };
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| 
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| struct nfsd3_linkargs {
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| 	struct svc_fh		ffh;
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| 	struct svc_fh		tfh;
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| 	char *			tname;
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| 	unsigned int		tlen;
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| };
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| 
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| struct nfsd3_symlinkargs {
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| 	struct svc_fh		ffh;
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| 	char *			fname;
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| 	unsigned int		flen;
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| 	char *			tname;
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| 	unsigned int		tlen;
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| 	struct iattr		attrs;
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| };
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| 
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| struct nfsd3_readdirargs {
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| 	struct svc_fh		fh;
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| 	__u64			cookie;
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| 	__u32			dircount;
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| 	__u32			count;
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| 	__be32 *		verf;
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| 	__be32 *		buffer;
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| };
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| 
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| struct nfsd3_commitargs {
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| 	struct svc_fh		fh;
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| 	__u64			offset;
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| 	__u32			count;
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| };
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| 
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| struct nfsd3_getaclargs {
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| 	struct svc_fh		fh;
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| 	int			mask;
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| };
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| 
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| struct posix_acl;
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| struct nfsd3_setaclargs {
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| 	struct svc_fh		fh;
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| 	int			mask;
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| 	struct posix_acl	*acl_access;
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| 	struct posix_acl	*acl_default;
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| };
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| 
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| struct nfsd3_attrstat {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| 	struct kstat            stat;
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| };
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| 
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| /* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
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| struct nfsd3_diropres  {
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| 	__be32			status;
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| 	struct svc_fh		dirfh;
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| 	struct svc_fh		fh;
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| };
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| 
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| struct nfsd3_accessres {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| 	__u32			access;
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| 	struct kstat		stat;
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| };
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| 
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| struct nfsd3_readlinkres {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| 	__u32			len;
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| };
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| 
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| struct nfsd3_readres {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| 	unsigned long		count;
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| 	int			eof;
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| };
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| 
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| struct nfsd3_writeres {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| 	unsigned long		count;
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| 	int			committed;
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| };
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| 
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| struct nfsd3_renameres {
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| 	__be32			status;
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| 	struct svc_fh		ffh;
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| 	struct svc_fh		tfh;
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| };
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| 
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| struct nfsd3_linkres {
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| 	__be32			status;
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| 	struct svc_fh		tfh;
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| 	struct svc_fh		fh;
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| };
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| 
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| struct nfsd3_readdirres {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| 	/* Just to save kmalloc on every readdirplus entry (svc_fh is a
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| 	 * little large for the stack): */
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| 	struct svc_fh		scratch;
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| 	int			count;
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| 	__be32			verf[2];
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| 
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| 	struct readdir_cd	common;
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| 	__be32 *		buffer;
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| 	int			buflen;
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| 	__be32 *		offset;
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| 	__be32 *		offset1;
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| 	struct svc_rqst *	rqstp;
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| 
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| };
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| 
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| struct nfsd3_fsstatres {
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| 	__be32			status;
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| 	struct kstatfs		stats;
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| 	__u32			invarsec;
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| };
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| 
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| struct nfsd3_fsinfores {
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| 	__be32			status;
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| 	__u32			f_rtmax;
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| 	__u32			f_rtpref;
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| 	__u32			f_rtmult;
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| 	__u32			f_wtmax;
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| 	__u32			f_wtpref;
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| 	__u32			f_wtmult;
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| 	__u32			f_dtpref;
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| 	__u64			f_maxfilesize;
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| 	__u32			f_properties;
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| };
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| 
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| struct nfsd3_pathconfres {
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| 	__be32			status;
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| 	__u32			p_link_max;
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| 	__u32			p_name_max;
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| 	__u32			p_no_trunc;
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| 	__u32			p_chown_restricted;
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| 	__u32			p_case_insensitive;
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| 	__u32			p_case_preserving;
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| };
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| 
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| struct nfsd3_commitres {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| };
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| 
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| struct nfsd3_getaclres {
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| 	__be32			status;
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| 	struct svc_fh		fh;
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| 	int			mask;
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| 	struct posix_acl	*acl_access;
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| 	struct posix_acl	*acl_default;
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| 	struct kstat		stat;
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| };
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| 
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| /* dummy type for release */
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| struct nfsd3_fhandle_pair {
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| 	__u32			dummy;
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| 	struct svc_fh		fh1;
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| 	struct svc_fh		fh2;
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| };
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| 
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| /*
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|  * Storage requirements for XDR arguments and results.
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|  */
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| union nfsd3_xdrstore {
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| 	struct nfsd3_sattrargs		sattrargs;
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| 	struct nfsd3_diropargs		diropargs;
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| 	struct nfsd3_readargs		readargs;
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| 	struct nfsd3_writeargs		writeargs;
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| 	struct nfsd3_createargs		createargs;
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| 	struct nfsd3_renameargs		renameargs;
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| 	struct nfsd3_linkargs		linkargs;
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| 	struct nfsd3_symlinkargs	symlinkargs;
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| 	struct nfsd3_readdirargs	readdirargs;
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| 	struct nfsd3_diropres 		diropres;
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| 	struct nfsd3_accessres		accessres;
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| 	struct nfsd3_readlinkres	readlinkres;
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| 	struct nfsd3_readres		readres;
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| 	struct nfsd3_writeres		writeres;
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| 	struct nfsd3_renameres		renameres;
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| 	struct nfsd3_linkres		linkres;
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| 	struct nfsd3_readdirres		readdirres;
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| 	struct nfsd3_fsstatres		fsstatres;
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| 	struct nfsd3_fsinfores		fsinfores;
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| 	struct nfsd3_pathconfres	pathconfres;
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| 	struct nfsd3_commitres		commitres;
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| 	struct nfsd3_getaclres		getaclres;
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| };
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| 
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| #define NFS3_SVC_XDRSIZE		sizeof(union nfsd3_xdrstore)
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| 
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| int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
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| int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_sattrargs *);
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| int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_diropargs *);
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| int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_accessargs *);
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| int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_readargs *);
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| int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_writeargs *);
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| int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_createargs *);
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| int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_createargs *);
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| int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_mknodargs *);
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| int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_renameargs *);
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| int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_readlinkargs *);
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| int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_linkargs *);
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| int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_symlinkargs *);
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| int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_readdirargs *);
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| int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_readdirargs *);
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| int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_commitargs *);
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| int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
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| int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_attrstat *);
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| int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_attrstat *);
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| int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_diropres *);
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| int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_accessres *);
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| int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_readlinkres *);
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| int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *);
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| int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *);
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| int nfs3svc_encode_createres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_diropres *);
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| int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_renameres *);
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| int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_linkres *);
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| int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_readdirres *);
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| int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_fsstatres *);
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| int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_fsinfores *);
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| int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_pathconfres *);
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| int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_commitres *);
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| 
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| int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_attrstat *);
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| int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *,
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| 				struct nfsd3_fhandle_pair *);
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| int nfs3svc_encode_entry(void *, const char *name,
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| 				int namlen, loff_t offset, u64 ino,
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| 				unsigned int);
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| int nfs3svc_encode_entry_plus(void *, const char *name,
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| 				int namlen, loff_t offset, u64 ino,
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| 				unsigned int);
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| /* Helper functions for NFSv3 ACL code */
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| __be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
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| 				struct svc_fh *fhp);
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| __be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);
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| 
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| 
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| #endif /* _LINUX_NFSD_XDR3_H */
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