fs/nfsd/vfs.h

   1 /*
   2  * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
   3  */
   4
   5 #ifndef LINUX_NFSD_VFS_H
   6 #define LINUX_NFSD_VFS_H
   7
   8 /*
   9  * Flags for nfsd_permission
  10  */
  11 #define NFSD_MAY_NOP            0
  12 #define NFSD_MAY_EXEC           1 /* == MAY_EXEC */
  13 #define NFSD_MAY_WRITE          2 /* == MAY_WRITE */
  14 #define NFSD_MAY_READ           4 /* == MAY_READ */
  15 #define NFSD_MAY_SATTR          8
  16 #define NFSD_MAY_TRUNC          16
  17 #define NFSD_MAY_LOCK           32
  18 #define NFSD_MAY_OWNER_OVERRIDE 64
  19 #define NFSD_MAY_LOCAL_ACCESS   128 /* IRIX doing local access check on device special file*/
  20 #define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
  21
  22 #define NFSD_MAY_CREATE         (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
  23 #define NFSD_MAY_REMOVE         (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
  24
  25 /*
  26  * Callback function for readdir
  27  */
  28 typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
  29
  30 /* nfsd/vfs.c */
  31 int             fh_lock_parent(struct svc_fh *, struct dentry *);
  32 int             nfsd_racache_init(int);
  33 void            nfsd_racache_shutdown(void);
  34 int             nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
  35                                 struct svc_export **expp);
  36 __be32          nfsd_lookup(struct svc_rqst *, struct svc_fh *,
  37                                 const char *, unsigned int, struct svc_fh *);
  38 __be32           nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
  39                                 const char *, unsigned int,
  40                                 struct svc_export **, struct dentry **);
  41 __be32          nfsd_setattr(struct svc_rqst *, struct svc_fh *,
  42                                 struct iattr *, int, time_t);
  43 #ifdef CONFIG_NFSD_V4
  44 __be32          nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
  45                     struct nfs4_acl *);
  46 int             nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
  47 #endif /* CONFIG_NFSD_V4 */
  48 __be32          nfsd_create(struct svc_rqst *, struct svc_fh *,
  49                                 char *name, int len, struct iattr *attrs,
  50                                 int type, dev_t rdev, struct svc_fh *res);
  51 #ifdef CONFIG_NFSD_V3
  52 __be32          nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
  53 __be32          nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
  54                                 char *name, int len, struct iattr *attrs,
  55                                 struct svc_fh *res, int createmode,
  56                                 u32 *verifier, int *truncp, int *created);
  57 __be32          nfsd_commit(struct svc_rqst *, struct svc_fh *,
  58                                 loff_t, unsigned long);
  59 #endif /* CONFIG_NFSD_V3 */
  60 __be32          nfsd_open(struct svc_rqst *, struct svc_fh *, int,
  61                                 int, struct file **);
  62 void            nfsd_close(struct file *);
  63 __be32          nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
  64                                 loff_t, struct kvec *, int, unsigned long *);
  65 __be32          nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
  66                                 loff_t, struct kvec *,int, unsigned long *, int *);
  67 __be32          nfsd_readlink(struct svc_rqst *, struct svc_fh *,
  68                                 char *, int *);
  69 __be32          nfsd_symlink(struct svc_rqst *, struct svc_fh *,
  70                                 char *name, int len, char *path, int plen,
  71                                 struct svc_fh *res, struct iattr *);
  72 __be32          nfsd_link(struct svc_rqst *, struct svc_fh *,
  73                                 char *, int, struct svc_fh *);
  74 __be32          nfsd_rename(struct svc_rqst *,
  75                                 struct svc_fh *, char *, int,
  76                                 struct svc_fh *, char *, int);
  77 __be32          nfsd_remove(struct svc_rqst *,
  78                                 struct svc_fh *, char *, int);
  79 __be32          nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
  80                                 char *name, int len);
  81 int             nfsd_truncate(struct svc_rqst *, struct svc_fh *,
  82                                 unsigned long size);
  83 __be32          nfsd_readdir(struct svc_rqst *, struct svc_fh *,
  84                              loff_t *, struct readdir_cd *, filldir_t);
  85 __be32          nfsd_statfs(struct svc_rqst *, struct svc_fh *,
  86                                 struct kstatfs *, int access);
  87
  88 int             nfsd_notify_change(struct inode *, struct iattr *);
  89 __be32          nfsd_permission(struct svc_rqst *, struct svc_export *,
  90                                 struct dentry *, int);
  91 int             nfsd_sync_dir(struct dentry *dp);
  92
  93 #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
  94 struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
  95 int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
  96 #endif
  97
  98 #endif /* LINUX_NFSD_VFS_H */