include/linux/nfs

/* */
   1 #ifndef _LINUX_NFS_FS_H
   2 #define _LINUX_NFS_FS_H
   3 
   4 /*
   5  *  linux/include/linux/nfs_fs.h
   6  *
   7  *  Copyright (C) 1992  Rick Sladkey
   8  *
   9  *  OS-specific nfs filesystem definitions and declarations
  10  */
  11 
  12 #include <linux/nfs.h>
  13 
  14 #include <linux/in.h>
  15 #include <linux/nfs_mount.h>
  16 
  17 /*
  18  * The readdir cache size controls how many directory entries are cached.
  19  * Its size is limited by the number of nfs_entry structures that can fit
  20  * in one 4096-byte page, currently 256.
  21  */
  22 
  23 #define NFS_READDIR_CACHE_SIZE          64
  24 
  25 #define NFS_MAX_FILE_IO_BUFFER_SIZE     16384
  26 #define NFS_DEF_FILE_IO_BUFFER_SIZE     1024
  27 
  28 /*
  29  * The upper limit on timeouts for the exponential backoff algorithm
  30  * in tenths of a second.
  31  */
  32 
  33 #define NFS_MAX_RPC_TIMEOUT             600
  34 
  35 /*
  36  * Size of the lookup cache in units of number of entries cached.
  37  * It is better not to make this too large although the optimum
  38  * depends on a usage and environment.
  39  */
  40 
  41 #define NFS_LOOKUP_CACHE_SIZE           64
  42 
  43 #define NFS_SUPER_MAGIC                 0x6969
  44 
  45 #define NFS_SERVER(inode)               (&(inode)->i_sb->u.nfs_sb.s_server)
  46 #define NFS_FH(inode)                   (&(inode)->u.nfs_i.fhandle)
  47 
  48 #ifdef __KERNEL__
  49 
  50 /* linux/fs/nfs/proc.c */
  51 
  52 extern int nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
  53                             struct nfs_fattr *fattr);
  54 extern int nfs_proc_setattr(struct nfs_server *server, struct nfs_fh *fhandle,
  55                             struct nfs_sattr *sattr, struct nfs_fattr *fattr);
  56 extern int nfs_proc_lookup(struct nfs_server *server, struct nfs_fh *dir,
  57                            const char *name, struct nfs_fh *fhandle,
  58                            struct nfs_fattr *fattr);
  59 extern int nfs_proc_readlink(struct nfs_server *server, struct nfs_fh *fhandle,
  60                         int **p0, char **string, unsigned int *len,
  61                         unsigned int maxlen);
  62 extern int nfs_proc_read(struct nfs_server *server, struct nfs_fh *fhandle,
  63                          int offset, int count, char *data,
  64                          struct nfs_fattr *fattr, int fs);
  65 extern int nfs_proc_write(struct nfs_server *server, struct nfs_fh *fhandle,
  66                           int offset, int count, char *data,
  67                           struct nfs_fattr *fattr);
  68 extern int nfs_proc_create(struct nfs_server *server, struct nfs_fh *dir,
  69                            const char *name, struct nfs_sattr *sattr,
  70                            struct nfs_fh *fhandle, struct nfs_fattr *fattr);
  71 extern int nfs_proc_remove(struct nfs_server *server, struct nfs_fh *dir,
  72                            const char *name);
  73 extern int nfs_proc_rename(struct nfs_server *server,
  74                            struct nfs_fh *old_dir, const char *old_name,
  75                            struct nfs_fh *new_dir, const char *new_name);
  76 extern int nfs_proc_link(struct nfs_server *server, struct nfs_fh *fhandle,
  77                          struct nfs_fh *dir, const char *name);
  78 extern int nfs_proc_symlink(struct nfs_server *server, struct nfs_fh *dir,
  79                             const char *name, const char *path, struct nfs_sattr *sattr);
  80 extern int nfs_proc_mkdir(struct nfs_server *server, struct nfs_fh *dir,
  81                           const char *name, struct nfs_sattr *sattr,
  82                           struct nfs_fh *fhandle, struct nfs_fattr *fattr);
  83 extern int nfs_proc_rmdir(struct nfs_server *server, struct nfs_fh *dir,
  84                           const char *name);
  85 extern int nfs_proc_readdir(struct nfs_server *server, struct nfs_fh *fhandle,
  86                             int cookie, int count, struct nfs_entry *entry);
  87 extern int nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
  88                             struct nfs_fsinfo *res);
  89 
  90 /* linux/fs/nfs/sock.c */
  91 
  92 extern int nfs_rpc_call(struct nfs_server *server, int *start, int *end, int size);
  93 
  94 /* linux/fs/nfs/inode.c */
  95 
  96 extern struct super_block *nfs_read_super(struct super_block *sb, 
  97                                           void *data,int);
  98 extern struct inode *nfs_fhget(struct super_block *sb, struct nfs_fh *fhandle,
  99                                struct nfs_fattr *fattr);
 100 extern void nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr);
 101 
 102 /* linux/fs/nfs/file.c */
 103 
 104 extern struct inode_operations nfs_file_inode_operations;
 105 
 106 /* linux/fs/nfs/dir.c */
 107 
 108 extern struct inode_operations nfs_dir_inode_operations;
 109 
 110 /* linux/fs/nfs/symlink.c */
 111 
 112 extern struct inode_operations nfs_symlink_inode_operations;
 113 
 114 /* linux/fs/nfs/mmap.c */
 115 
 116 extern int nfs_mmap(struct inode * inode, struct file * file, struct vm_area_struct * vma);
 117 
 118 #endif /* __KERNEL__ */
 119 
 120 #endif
/* */
root/include/linux/nfs_fs.h

INCLUDED FROM
