355 lines
7.9 KiB
C
355 lines
7.9 KiB
C
#ifndef _LINUX_NFS_XDR_H
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#define _LINUX_NFS_XDR_H
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struct nfs_fattr {
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unsigned short valid; /* which fields are valid */
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__u64 pre_size; /* pre_op_attr.size */
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__u64 pre_mtime; /* pre_op_attr.mtime */
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__u64 pre_ctime; /* pre_op_attr.ctime */
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enum nfs_ftype type; /* always use NFSv2 types */
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__u32 mode;
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__u32 nlink;
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__u32 uid;
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__u32 gid;
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__u64 size;
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union {
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struct {
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__u32 blocksize;
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__u32 blocks;
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} nfs2;
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struct {
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__u64 used;
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} nfs3;
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} du;
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__u32 rdev;
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__u64 fsid;
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__u64 fileid;
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__u64 atime;
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__u64 mtime;
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__u64 ctime;
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};
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#define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */
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#define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
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#define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
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/*
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* Info on the file system
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*/
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struct nfs_fsinfo {
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__u32 rtmax; /* max. read transfer size */
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__u32 rtpref; /* pref. read transfer size */
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__u32 rtmult; /* reads should be multiple of this */
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__u32 wtmax; /* max. write transfer size */
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__u32 wtpref; /* pref. write transfer size */
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__u32 wtmult; /* writes should be multiple of this */
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__u32 dtpref; /* pref. readdir transfer size */
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__u64 maxfilesize;
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__u64 bsize; /* block size */
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__u64 tbytes; /* total size in bytes */
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__u64 fbytes; /* # of free bytes */
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__u64 abytes; /* # of bytes available to user */
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__u64 tfiles; /* # of files */
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__u64 ffiles; /* # of free files */
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__u64 afiles; /* # of files available to user */
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__u32 linkmax;/* max # of hard links */
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__u32 namelen;/* max name length */
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};
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/* Arguments to the read call.
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* Note that NFS_READ_MAXIOV must be <= (MAX_IOVEC-2) from sunrpc/xprt.h
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*/
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#define NFS_READ_MAXIOV (9)
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struct nfs_readargs {
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struct nfs_fh * fh;
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__u64 offset;
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__u32 count;
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unsigned int pgbase;
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struct page ** pages;
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};
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struct nfs_readres {
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struct nfs_fattr * fattr;
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__u32 count;
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int eof;
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};
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/* Arguments to the write call.
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* Note that NFS_WRITE_MAXIOV must be <= (MAX_IOVEC-2) from sunrpc/xprt.h
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*/
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#define NFS_WRITE_MAXIOV (9)
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struct nfs_writeargs {
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struct nfs_fh * fh;
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__u64 offset;
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__u32 count;
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enum nfs3_stable_how stable;
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unsigned int pgbase;
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struct page ** pages;
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};
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struct nfs_writeverf {
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enum nfs3_stable_how committed;
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__u32 verifier[2];
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};
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struct nfs_writeres {
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struct nfs_fattr * fattr;
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struct nfs_writeverf * verf;
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__u32 count;
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};
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/*
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* Argument struct for decode_entry function
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*/
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struct nfs_entry {
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__u64 ino;
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__u64 cookie,
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prev_cookie;
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const char * name;
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unsigned int len;
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int eof;
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};
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/*
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* The following types are for NFSv2 only.
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*/
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struct nfs_sattrargs {
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struct nfs_fh * fh;
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struct iattr * sattr;
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};
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struct nfs_diropargs {
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struct nfs_fh * fh;
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const char * name;
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unsigned int len;
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};
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struct nfs_createargs {
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struct nfs_fh * fh;
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const char * name;
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unsigned int len;
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struct iattr * sattr;
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};
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struct nfs_renameargs {
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struct nfs_fh * fromfh;
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const char * fromname;
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unsigned int fromlen;
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struct nfs_fh * tofh;
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const char * toname;
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unsigned int tolen;
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};
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struct nfs_linkargs {
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struct nfs_fh * fromfh;
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struct nfs_fh * tofh;
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const char * toname;
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unsigned int tolen;
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};
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struct nfs_symlinkargs {
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struct nfs_fh * fromfh;
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const char * fromname;
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unsigned int fromlen;
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const char * topath;
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unsigned int tolen;
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struct iattr * sattr;
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};
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struct nfs_readdirargs {
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struct nfs_fh * fh;
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__u32 cookie;
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unsigned int count;
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struct page ** pages;
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};
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struct nfs_diropok {
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struct nfs_fh * fh;
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struct nfs_fattr * fattr;
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};
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struct nfs_readlinkargs {
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struct nfs_fh * fh;
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unsigned int count;
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struct page ** pages;
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};
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struct nfs3_sattrargs {
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struct nfs_fh * fh;
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struct iattr * sattr;
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unsigned int guard;
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__u64 guardtime;
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};
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struct nfs3_diropargs {
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struct nfs_fh * fh;
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const char * name;
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unsigned int len;
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};
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struct nfs3_accessargs {
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struct nfs_fh * fh;
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__u32 access;
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};
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struct nfs3_createargs {
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struct nfs_fh * fh;
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const char * name;
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unsigned int len;
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struct iattr * sattr;
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enum nfs3_createmode createmode;
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__u32 verifier[2];
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};
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struct nfs3_mkdirargs {
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struct nfs_fh * fh;
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const char * name;
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unsigned int len;
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struct iattr * sattr;
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};
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struct nfs3_symlinkargs {
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struct nfs_fh * fromfh;
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const char * fromname;
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unsigned int fromlen;
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const char * topath;
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unsigned int tolen;
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struct iattr * sattr;
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};
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struct nfs3_mknodargs {
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struct nfs_fh * fh;
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const char * name;
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unsigned int len;
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enum nfs3_ftype type;
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struct iattr * sattr;
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dev_t rdev;
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};
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struct nfs3_renameargs {
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struct nfs_fh * fromfh;
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const char * fromname;
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unsigned int fromlen;
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struct nfs_fh * tofh;
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const char * toname;
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unsigned int tolen;
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};
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struct nfs3_linkargs {
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struct nfs_fh * fromfh;
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struct nfs_fh * tofh;
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const char * toname;
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unsigned int tolen;
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};
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struct nfs3_readdirargs {
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struct nfs_fh * fh;
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__u64 cookie;
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__u32 verf[2];
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int plus;
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unsigned int count;
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struct page ** pages;
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};
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struct nfs3_diropres {
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struct nfs_fattr * dir_attr;
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struct nfs_fh * fh;
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struct nfs_fattr * fattr;
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};
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struct nfs3_accessres {
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struct nfs_fattr * fattr;
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__u32 access;
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};
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struct nfs3_readlinkargs {
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struct nfs_fh * fh;
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unsigned int count;
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struct page ** pages;
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};
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struct nfs3_renameres {
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struct nfs_fattr * fromattr;
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struct nfs_fattr * toattr;
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};
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struct nfs3_linkres {
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struct nfs_fattr * dir_attr;
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struct nfs_fattr * fattr;
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};
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struct nfs3_readdirres {
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struct nfs_fattr * dir_attr;
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__u32 * verf;
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int plus;
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};
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/*
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* RPC procedure vector for NFSv2/NFSv3 demuxing
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*/
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struct nfs_rpc_ops {
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int version; /* Protocol version */
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int (*getroot) (struct nfs_server *, struct nfs_fh *,
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struct nfs_fattr *);
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int (*getattr) (struct inode *, struct nfs_fattr *);
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int (*setattr) (struct inode *, struct nfs_fattr *,
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struct iattr *);
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int (*lookup) (struct inode *, struct qstr *,
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struct nfs_fh *, struct nfs_fattr *);
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int (*access) (struct inode *, int , int);
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int (*readlink)(struct inode *, struct page *);
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int (*read) (struct inode *, struct rpc_cred *,
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struct nfs_fattr *,
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int, unsigned int, unsigned int,
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struct page *, int *eofp);
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int (*write) (struct inode *, struct rpc_cred *,
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struct nfs_fattr *,
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int, unsigned int, unsigned int,
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struct page *, struct nfs_writeverf *verfp);
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int (*commit) (struct inode *, struct nfs_fattr *,
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unsigned long, unsigned int);
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int (*create) (struct inode *, struct qstr *, struct iattr *,
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int, struct nfs_fh *, struct nfs_fattr *);
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int (*remove) (struct inode *, struct qstr *);
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int (*unlink_setup) (struct rpc_message *,
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struct dentry *, struct qstr *);
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void (*unlink_done) (struct dentry *, struct rpc_message *);
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int (*rename) (struct inode *, struct qstr *,
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struct inode *, struct qstr *);
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int (*link) (struct inode *, struct inode *, struct qstr *);
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int (*symlink) (struct inode *, struct qstr *, struct qstr *,
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struct iattr *, struct nfs_fh *,
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struct nfs_fattr *);
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int (*mkdir) (struct inode *, struct qstr *, struct iattr *,
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struct nfs_fh *, struct nfs_fattr *);
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int (*rmdir) (struct inode *, struct qstr *);
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int (*readdir) (struct inode *, struct rpc_cred *,
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u64, struct page *, unsigned int, int);
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int (*mknod) (struct inode *, struct qstr *, struct iattr *,
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dev_t, struct nfs_fh *, struct nfs_fattr *);
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int (*statfs) (struct nfs_server *, struct nfs_fh *,
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struct nfs_fsinfo *);
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u32 * (*decode_dirent)(u32 *, struct nfs_entry *, int plus);
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};
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/*
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* NFS_CALL(getattr, inode, (fattr));
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* into
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* NFS_PROTO(inode)->getattr(fattr);
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*/
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#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
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/*
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* Function vectors etc. for the NFS client
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*/
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extern struct nfs_rpc_ops nfs_v2_clientops;
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extern struct nfs_rpc_ops nfs_v3_clientops;
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extern struct rpc_version nfs_version2;
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extern struct rpc_version nfs_version3;
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extern struct rpc_program nfs_program;
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extern struct rpc_stat nfs_rpcstat;
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#endif
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