124 lines
4.2 KiB
C
124 lines
4.2 KiB
C
#ifndef _LINUX_NFS_FS_H
|
|
#define _LINUX_NFS_FS_H
|
|
|
|
/*
|
|
* linux/include/linux/nfs_fs.h
|
|
*
|
|
* Copyright (C) 1992 Rick Sladkey
|
|
*
|
|
* OS-specific nfs filesystem definitions and declarations
|
|
*/
|
|
|
|
#include <linux/nfs.h>
|
|
|
|
#include <linux/in.h>
|
|
#include <linux/nfs_mount.h>
|
|
|
|
/*
|
|
* The readdir cache size controls how many directory entries are cached.
|
|
* Its size is limited by the number of nfs_entry structures that can fit
|
|
* in one 4096-byte page, currently 256.
|
|
*/
|
|
|
|
#define NFS_READDIR_CACHE_SIZE 64
|
|
|
|
/*
|
|
* WARNING! The I/O buffer size cannot be bigger than about 3900 for now.
|
|
* It needs to fit inside a 4096-byte page and leave room for the RPC and
|
|
* NFS headers. But it ought to at least be a multiple of 512 and probably
|
|
* should be a power of 2. I don't think Linux TCP/IP can handle more than
|
|
* about 1800 yet.
|
|
*/
|
|
|
|
#define NFS_MAX_FILE_IO_BUFFER_SIZE (7*512)
|
|
#define NFS_DEF_FILE_IO_BUFFER_SIZE 1024
|
|
|
|
/*
|
|
* The upper limit on timeouts for the exponential backoff algorithm
|
|
* in tenths of a second.
|
|
*/
|
|
|
|
#define NFS_MAX_RPC_TIMEOUT 600
|
|
|
|
/*
|
|
* Size of the lookup cache in units of number of entries cached.
|
|
* It is better not to make this too large although the optimimum
|
|
* depends on a usage and environment.
|
|
*/
|
|
|
|
#define NFS_LOOKUP_CACHE_SIZE 64
|
|
|
|
#define NFS_SUPER_MAGIC 0x6969
|
|
|
|
#define NFS_SERVER(inode) (&(inode)->i_sb->u.nfs_sb.s_server)
|
|
#define NFS_FH(inode) (&(inode)->u.nfs_i.fhandle)
|
|
|
|
/* linux/fs/nfs/proc.c */
|
|
|
|
extern int nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
struct nfs_fattr *fattr);
|
|
extern int nfs_proc_setattr(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
struct nfs_sattr *sattr, struct nfs_fattr *fattr);
|
|
extern int nfs_proc_lookup(struct nfs_server *server, struct nfs_fh *dir,
|
|
const char *name, struct nfs_fh *fhandle,
|
|
struct nfs_fattr *fattr);
|
|
extern int nfs_proc_readlink(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
char *res);
|
|
extern int nfs_proc_read(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
int offset, int count, char *data,
|
|
struct nfs_fattr *fattr);
|
|
extern int nfs_proc_write(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
int offset, int count, char *data,
|
|
struct nfs_fattr *fattr);
|
|
extern int nfs_proc_create(struct nfs_server *server, struct nfs_fh *dir,
|
|
const char *name, struct nfs_sattr *sattr,
|
|
struct nfs_fh *fhandle, struct nfs_fattr *fattr);
|
|
extern int nfs_proc_remove(struct nfs_server *server, struct nfs_fh *dir,
|
|
const char *name);
|
|
extern int nfs_proc_rename(struct nfs_server *server,
|
|
struct nfs_fh *old_dir, const char *old_name,
|
|
struct nfs_fh *new_dir, const char *new_name);
|
|
extern int nfs_proc_link(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
struct nfs_fh *dir, const char *name);
|
|
extern int nfs_proc_symlink(struct nfs_server *server, struct nfs_fh *dir,
|
|
const char *name, const char *path, struct nfs_sattr *sattr);
|
|
extern int nfs_proc_mkdir(struct nfs_server *server, struct nfs_fh *dir,
|
|
const char *name, struct nfs_sattr *sattr,
|
|
struct nfs_fh *fhandle, struct nfs_fattr *fattr);
|
|
extern int nfs_proc_rmdir(struct nfs_server *server, struct nfs_fh *dir,
|
|
const char *name);
|
|
extern int nfs_proc_readdir(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
int cookie, int count, struct nfs_entry *entry);
|
|
extern int nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
|
|
struct nfs_fsinfo *res);
|
|
|
|
/* linux/fs/nfs/sock.c */
|
|
|
|
extern int nfs_rpc_call(struct nfs_server *server, int *start, int *end);
|
|
|
|
/* linux/fs/nfs/inode.c */
|
|
|
|
extern struct super_block *nfs_read_super(struct super_block *sb,
|
|
void *data,int);
|
|
extern struct inode *nfs_fhget(struct super_block *sb, struct nfs_fh *fhandle,
|
|
struct nfs_fattr *fattr);
|
|
extern void nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr);
|
|
|
|
/* linux/fs/nfs/file.c */
|
|
|
|
extern struct inode_operations nfs_file_inode_operations;
|
|
|
|
/* linux/fs/nfs/dir.c */
|
|
|
|
extern struct inode_operations nfs_dir_inode_operations;
|
|
|
|
/* linux/fs/nfs/symlink.c */
|
|
|
|
extern struct inode_operations nfs_symlink_inode_operations;
|
|
|
|
/* linux/fs/nfs/mmap.c */
|
|
|
|
extern int nfs_mmap(struct inode * inode, struct file * file,
|
|
unsigned long addr, size_t len, int prot, unsigned long off);
|
|
|
|
#endif
|