nfs_xdr.h
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上传日期:2013-04-10
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文件大小:8k
- #ifndef _LINUX_NFS_XDR_H
- #define _LINUX_NFS_XDR_H
- struct nfs_fattr {
- unsigned short valid; /* which fields are valid */
- __u64 pre_size; /* pre_op_attr.size */
- __u64 pre_mtime; /* pre_op_attr.mtime */
- __u64 pre_ctime; /* pre_op_attr.ctime */
- enum nfs_ftype type; /* always use NFSv2 types */
- __u32 mode;
- __u32 nlink;
- __u32 uid;
- __u32 gid;
- __u64 size;
- union {
- struct {
- __u32 blocksize;
- __u32 blocks;
- } nfs2;
- struct {
- __u64 used;
- } nfs3;
- } du;
- __u32 rdev;
- __u64 fsid;
- __u64 fileid;
- __u64 atime;
- __u64 mtime;
- __u64 ctime;
- };
- #define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */
- #define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
- #define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
- /*
- * Info on the file system
- */
- struct nfs_fsinfo {
- __u32 rtmax; /* max. read transfer size */
- __u32 rtpref; /* pref. read transfer size */
- __u32 rtmult; /* reads should be multiple of this */
- __u32 wtmax; /* max. write transfer size */
- __u32 wtpref; /* pref. write transfer size */
- __u32 wtmult; /* writes should be multiple of this */
- __u32 dtpref; /* pref. readdir transfer size */
- __u64 maxfilesize;
- __u64 bsize; /* block size */
- __u64 tbytes; /* total size in bytes */
- __u64 fbytes; /* # of free bytes */
- __u64 abytes; /* # of bytes available to user */
- __u64 tfiles; /* # of files */
- __u64 ffiles; /* # of free files */
- __u64 afiles; /* # of files available to user */
- __u32 linkmax;/* max # of hard links */
- __u32 namelen;/* max name length */
- };
- /* Arguments to the read call.
- * Note that NFS_READ_MAXIOV must be <= (MAX_IOVEC-2) from sunrpc/xprt.h
- */
- #define NFS_READ_MAXIOV 8
- struct nfs_readargs {
- struct nfs_fh * fh;
- __u64 offset;
- __u32 count;
- unsigned int pgbase;
- struct page ** pages;
- };
- struct nfs_readres {
- struct nfs_fattr * fattr;
- __u32 count;
- int eof;
- };
- /* Arguments to the write call.
- * Note that NFS_WRITE_MAXIOV must be <= (MAX_IOVEC-2) from sunrpc/xprt.h
- */
- #define NFS_WRITE_MAXIOV 8
- struct nfs_writeargs {
- struct nfs_fh * fh;
- __u64 offset;
- __u32 count;
- enum nfs3_stable_how stable;
- unsigned int pgbase;
- struct page ** pages;
- };
- struct nfs_writeverf {
- enum nfs3_stable_how committed;
- __u32 verifier[2];
- };
- struct nfs_writeres {
- struct nfs_fattr * fattr;
- struct nfs_writeverf * verf;
- __u32 count;
- };
- /*
- * Argument struct for decode_entry function
- */
- struct nfs_entry {
- __u64 ino;
- __u64 cookie,
- prev_cookie;
- const char * name;
- unsigned int len;
- int eof;
- struct nfs_fh fh;
- struct nfs_fattr fattr;
- };
- /*
- * The following types are for NFSv2 only.
- */
- struct nfs_sattrargs {
- struct nfs_fh * fh;
- struct iattr * sattr;
- };
- struct nfs_diropargs {
- struct nfs_fh * fh;
- const char * name;
- unsigned int len;
- };
- struct nfs_createargs {
- struct nfs_fh * fh;
- const char * name;
- unsigned int len;
- struct iattr * sattr;
- };
- struct nfs_renameargs {
- struct nfs_fh * fromfh;
- const char * fromname;
- unsigned int fromlen;
- struct nfs_fh * tofh;
- const char * toname;
- unsigned int tolen;
- };
- struct nfs_linkargs {
- struct nfs_fh * fromfh;
- struct nfs_fh * tofh;
- const char * toname;
- unsigned int tolen;
- };
- struct nfs_symlinkargs {
- struct nfs_fh * fromfh;
- const char * fromname;
- unsigned int fromlen;
- const char * topath;
- unsigned int tolen;
- struct iattr * sattr;
- };
- struct nfs_readdirargs {
- struct nfs_fh * fh;
- __u32 cookie;
- unsigned int count;
- struct page ** pages;
- };
- struct nfs_diropok {
- struct nfs_fh * fh;
- struct nfs_fattr * fattr;
- };
- struct nfs_readlinkargs {
- struct nfs_fh * fh;
- unsigned int count;
- struct page ** pages;
- };
- struct nfs3_sattrargs {
- struct nfs_fh * fh;
- struct iattr * sattr;
- unsigned int guard;
- __u64 guardtime;
- };
- struct nfs3_diropargs {
- struct nfs_fh * fh;
- const char * name;
- unsigned int len;
- };
- struct nfs3_accessargs {
- struct nfs_fh * fh;
- __u32 access;
- };
- struct nfs3_createargs {
- struct nfs_fh * fh;
- const char * name;
- unsigned int len;
- struct iattr * sattr;
- enum nfs3_createmode createmode;
- __u32 verifier[2];
- };
- struct nfs3_mkdirargs {
- struct nfs_fh * fh;
- const char * name;
- unsigned int len;
- struct iattr * sattr;
- };
- struct nfs3_symlinkargs {
- struct nfs_fh * fromfh;
- const char * fromname;
- unsigned int fromlen;
- const char * topath;
- unsigned int tolen;
- struct iattr * sattr;
- };
- struct nfs3_mknodargs {
- struct nfs_fh * fh;
- const char * name;
- unsigned int len;
- enum nfs3_ftype type;
- struct iattr * sattr;
- dev_t rdev;
- };
- struct nfs3_renameargs {
- struct nfs_fh * fromfh;
- const char * fromname;
- unsigned int fromlen;
- struct nfs_fh * tofh;
- const char * toname;
- unsigned int tolen;
- };
- struct nfs3_linkargs {
- struct nfs_fh * fromfh;
- struct nfs_fh * tofh;
- const char * toname;
- unsigned int tolen;
- };
- struct nfs3_readdirargs {
- struct nfs_fh * fh;
- __u64 cookie;
- __u32 verf[2];
- int plus;
- unsigned int count;
- struct page ** pages;
- };
- struct nfs3_diropres {
- struct nfs_fattr * dir_attr;
- struct nfs_fh * fh;
- struct nfs_fattr * fattr;
- };
- struct nfs3_accessres {
- struct nfs_fattr * fattr;
- __u32 access;
- };
- struct nfs3_readlinkargs {
- struct nfs_fh * fh;
- unsigned int count;
- struct page ** pages;
- };
- struct nfs3_renameres {
- struct nfs_fattr * fromattr;
- struct nfs_fattr * toattr;
- };
- struct nfs3_linkres {
- struct nfs_fattr * dir_attr;
- struct nfs_fattr * fattr;
- };
- struct nfs3_readdirres {
- struct nfs_fattr * dir_attr;
- __u32 * verf;
- int plus;
- };
- /*
- * RPC procedure vector for NFSv2/NFSv3 demuxing
- */
- struct nfs_rpc_ops {
- int version; /* Protocol version */
- int (*getroot) (struct nfs_server *, struct nfs_fh *,
- struct nfs_fattr *);
- int (*getattr) (struct inode *, struct nfs_fattr *);
- int (*setattr) (struct inode *, struct nfs_fattr *,
- struct iattr *);
- int (*lookup) (struct inode *, struct qstr *,
- struct nfs_fh *, struct nfs_fattr *);
- int (*access) (struct inode *, int , int);
- int (*readlink)(struct inode *, struct page *);
- int (*read) (struct inode *, struct rpc_cred *,
- struct nfs_fattr *,
- int, unsigned int, unsigned int,
- struct page *, int *eofp);
- int (*write) (struct inode *, struct rpc_cred *,
- struct nfs_fattr *,
- int, unsigned int, unsigned int,
- struct page *, struct nfs_writeverf *verfp);
- int (*commit) (struct inode *, struct nfs_fattr *,
- unsigned long, unsigned int);
- int (*create) (struct inode *, struct qstr *, struct iattr *,
- int, struct nfs_fh *, struct nfs_fattr *);
- int (*remove) (struct inode *, struct qstr *);
- int (*unlink_setup) (struct rpc_message *,
- struct dentry *, struct qstr *);
- void (*unlink_done) (struct dentry *, struct rpc_message *);
- int (*rename) (struct inode *, struct qstr *,
- struct inode *, struct qstr *);
- int (*link) (struct inode *, struct inode *, struct qstr *);
- int (*symlink) (struct inode *, struct qstr *, struct qstr *,
- struct iattr *, struct nfs_fh *,
- struct nfs_fattr *);
- int (*mkdir) (struct inode *, struct qstr *, struct iattr *,
- struct nfs_fh *, struct nfs_fattr *);
- int (*rmdir) (struct inode *, struct qstr *);
- int (*readdir) (struct inode *, struct rpc_cred *,
- u64, struct page *, unsigned int, int);
- int (*mknod) (struct inode *, struct qstr *, struct iattr *,
- dev_t, struct nfs_fh *, struct nfs_fattr *);
- int (*statfs) (struct nfs_server *, struct nfs_fh *,
- struct nfs_fsinfo *);
- u32 * (*decode_dirent)(u32 *, struct nfs_entry *, int plus);
- };
- /*
- * NFS_CALL(getattr, inode, (fattr));
- * into
- * NFS_PROTO(inode)->getattr(fattr);
- */
- #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
- /*
- * Function vectors etc. for the NFS client
- */
- extern struct nfs_rpc_ops nfs_v2_clientops;
- extern struct nfs_rpc_ops nfs_v3_clientops;
- extern struct rpc_version nfs_version2;
- extern struct rpc_version nfs_version3;
- extern struct rpc_program nfs_program;
- extern struct rpc_stat nfs_rpcstat;
- #endif