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 #include "nfsfh.h"
   9
  10 /*
  11  * Flags for nfsd_permission
  12  */
  13 #define NFSD_MAY_NOP            0
  14 #define NFSD_MAY_EXEC           1 /* == MAY_EXEC */
  15 #define NFSD_MAY_WRITE          2 /* == MAY_WRITE */
  16 #define NFSD_MAY_READ           4 /* == MAY_READ */
  17 #define NFSD_MAY_SATTR          8
  18 #define NFSD_MAY_TRUNC          16
  19 #define NFSD_MAY_LOCK           32
  20 #define NFSD_MAY_OWNER_OVERRIDE 64
  21 #define NFSD_MAY_LOCAL_ACCESS   128 /* IRIX doing local access check on device special file*/
  22 #define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
  23
  24 #define NFSD_MAY_CREATE         (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
  25 #define NFSD_MAY_REMOVE         (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
  26
  27 /*
  28  * Callback function for readdir
  29  */
  30 typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
  31
  32 /* nfsd/vfs.c */
  33 int             fh_lock_parent(struct svc_fh *, struct dentry *);
  34 int             nfsd_racache_init(int);
  35 void            nfsd_racache_shutdown(void);
  36 int             nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
  37                                 struct svc_export **expp);
  38 __be32          nfsd_lookup(struct svc_rqst *, struct svc_fh *,
  39                                 const char *, unsigned int, struct svc_fh *);
  40 __be32           nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
  41                                 const char *, unsigned int,
  42                                 struct svc_export **, struct dentry **);
  43 __be32          nfsd_setattr(struct svc_rqst *, struct svc_fh *,
  44                                 struct iattr *, int, time_t);
  45 int nfsd_mountpoint(struct dentry *, struct svc_export *);
  46 #ifdef CONFIG_NFSD_V4
  47 __be32          nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
  48                     struct nfs4_acl *);
  49 int             nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
  50 #endif /* CONFIG_NFSD_V4 */
  51 __be32          nfsd_create(struct svc_rqst *, struct svc_fh *,
  52                                 char *name, int len, struct iattr *attrs,
  53                                 int type, dev_t rdev, struct svc_fh *res);
  54 #ifdef CONFIG_NFSD_V3
  55 __be32          nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
  56 __be32          nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
  57                                 char *name, int len, struct iattr *attrs,
  58                                 struct svc_fh *res, int createmode,
  59                                 u32 *verifier, int *truncp, int *created);
  60 __be32          nfsd_commit(struct svc_rqst *, struct svc_fh *,
  61                                 loff_t, unsigned long);
  62 #endif /* CONFIG_NFSD_V3 */
  63 __be32          nfsd_open(struct svc_rqst *, struct svc_fh *, int,
  64                                 int, struct file **);
  65 void            nfsd_close(struct file *);
  66 __be32          nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
  67                                 loff_t, struct kvec *, int, unsigned long *);
  68 __be32          nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
  69                                 loff_t, struct kvec *,int, unsigned long *, int *);
  70 __be32          nfsd_readlink(struct svc_rqst *, struct svc_fh *,
  71                                 char *, int *);
  72 __be32          nfsd_symlink(struct svc_rqst *, struct svc_fh *,
  73                                 char *name, int len, char *path, int plen,
  74                                 struct svc_fh *res, struct iattr *);
  75 __be32          nfsd_link(struct svc_rqst *, struct svc_fh *,
  76                                 char *, int, struct svc_fh *);
  77 __be32          nfsd_rename(struct svc_rqst *,
  78                                 struct svc_fh *, char *, int,
  79                                 struct svc_fh *, char *, int);
  80 __be32          nfsd_remove(struct svc_rqst *,
  81                                 struct svc_fh *, char *, int);
  82 __be32          nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
  83                                 char *name, int len);
  84 int             nfsd_truncate(struct svc_rqst *, struct svc_fh *,
  85                                 unsigned long size);
  86 __be32          nfsd_readdir(struct svc_rqst *, struct svc_fh *,
  87                              loff_t *, struct readdir_cd *, filldir_t);
  88 __be32          nfsd_statfs(struct svc_rqst *, struct svc_fh *,
  89                                 struct kstatfs *, int access);
  90
  91 int             nfsd_notify_change(struct inode *, struct iattr *);
  92 __be32          nfsd_permission(struct svc_rqst *, struct svc_export *,
  93                                 struct dentry *, int);
  94 int             nfsd_sync_dir(struct dentry *dp);
  95
  96 #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
  97 struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
  98 int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
  99 #endif
 100
 101 #endif /* LINUX_NFSD_VFS_H */