xdr.h
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上传日期:2009-04-28
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文件大小:4k
- /*
- * linux/inxlude/linux/nfsd/xdr.h
- *
- * XDR types for nfsd. This is mainly a typing exercise.
- */
- #ifndef LINUX_NFSD_H
- #define LINUX_NFSD_H
- #include <linux/fs.h>
- #include <linux/vfs.h>
- #include <linux/nfs.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;
- int len;
- };
- struct nfsd_readargs {
- struct svc_fh fh;
- __u32 offset;
- __u32 count;
- struct kvec vec[RPCSVC_MAXPAGES];
- int vlen;
- };
- struct nfsd_writeargs {
- svc_fh fh;
- __u32 offset;
- int len;
- struct kvec vec[RPCSVC_MAXPAGES];
- int vlen;
- };
- struct nfsd_createargs {
- struct svc_fh fh;
- char * name;
- int len;
- struct iattr attrs;
- };
- struct nfsd_renameargs {
- struct svc_fh ffh;
- char * fname;
- int flen;
- struct svc_fh tfh;
- char * tname;
- int tlen;
- };
- struct nfsd_readlinkargs {
- struct svc_fh fh;
- char * buffer;
- };
-
- struct nfsd_linkargs {
- struct svc_fh ffh;
- struct svc_fh tfh;
- char * tname;
- int tlen;
- };
- struct nfsd_symlinkargs {
- struct svc_fh ffh;
- char * fname;
- int flen;
- char * tname;
- int tlen;
- struct iattr attrs;
- };
- struct nfsd_readdirargs {
- struct svc_fh fh;
- __u32 cookie;
- __u32 count;
- u32 * buffer;
- };
- struct nfsd_attrstat {
- struct svc_fh fh;
- };
- struct nfsd_diropres {
- struct svc_fh fh;
- };
- struct nfsd_readlinkres {
- int len;
- };
- struct nfsd_readres {
- struct svc_fh fh;
- unsigned long count;
- };
- struct nfsd_readdirres {
- int count;
- struct readdir_cd common;
- u32 * buffer;
- int buflen;
- u32 * 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 *, u32 *, void *);
- int nfssvc_decode_fhandle(struct svc_rqst *, u32 *, struct nfsd_fhandle *);
- int nfssvc_decode_sattrargs(struct svc_rqst *, u32 *,
- struct nfsd_sattrargs *);
- int nfssvc_decode_diropargs(struct svc_rqst *, u32 *,
- struct nfsd_diropargs *);
- int nfssvc_decode_readargs(struct svc_rqst *, u32 *,
- struct nfsd_readargs *);
- int nfssvc_decode_writeargs(struct svc_rqst *, u32 *,
- struct nfsd_writeargs *);
- int nfssvc_decode_createargs(struct svc_rqst *, u32 *,
- struct nfsd_createargs *);
- int nfssvc_decode_renameargs(struct svc_rqst *, u32 *,
- struct nfsd_renameargs *);
- int nfssvc_decode_readlinkargs(struct svc_rqst *, u32 *,
- struct nfsd_readlinkargs *);
- int nfssvc_decode_linkargs(struct svc_rqst *, u32 *,
- struct nfsd_linkargs *);
- int nfssvc_decode_symlinkargs(struct svc_rqst *, u32 *,
- struct nfsd_symlinkargs *);
- int nfssvc_decode_readdirargs(struct svc_rqst *, u32 *,
- struct nfsd_readdirargs *);
- int nfssvc_encode_void(struct svc_rqst *, u32 *, void *);
- int nfssvc_encode_attrstat(struct svc_rqst *, u32 *, struct nfsd_attrstat *);
- int nfssvc_encode_diropres(struct svc_rqst *, u32 *, struct nfsd_diropres *);
- int nfssvc_encode_readlinkres(struct svc_rqst *, u32 *, struct nfsd_readlinkres *);
- int nfssvc_encode_readres(struct svc_rqst *, u32 *, struct nfsd_readres *);
- int nfssvc_encode_statfsres(struct svc_rqst *, u32 *, struct nfsd_statfsres *);
- int nfssvc_encode_readdirres(struct svc_rqst *, u32 *, struct nfsd_readdirres *);
- int nfssvc_encode_entry(struct readdir_cd *, const char *name,
- int namlen, loff_t offset, ino_t ino, unsigned int);
- int nfssvc_release_fhandle(struct svc_rqst *, u32 *, struct nfsd_fhandle *);
- /* Helper functions for NFSv2 ACL code */
- u32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp);
- u32 *nfs2svc_decode_fh(u32 *p, struct svc_fh *fhp);
- #endif /* LINUX_NFSD_H */