| #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 |