/* * Copyright (C) 1995-1997 Olaf Kirch */ #ifndef NFSD_EXPORT_H #define NFSD_EXPORT_H #include #include #include struct knfsd_fh; struct svc_fh; struct svc_rqst; /* * FS Locations */ #define MAX_FS_LOCATIONS 128 struct nfsd4_fs_location { char *hosts; /* colon separated list of hosts */ char *path; /* slash separated list of path components */ }; struct nfsd4_fs_locations { uint32_t locations_count; struct nfsd4_fs_location *locations; /* If we're not actually serving this data ourselves (only providing a * list of replicas that do serve it) then we set "migrated": */ int migrated; }; /* * We keep an array of pseudoflavors with the export, in order from most * to least preferred. For the foreseeable future, we don't expect more * than the eight pseudoflavors null, unix, krb5, krb5i, krb5p, skpm3, * spkm3i, and spkm3p (and using all 8 at once should be rare). */ #define MAX_SECINFO_LIST 8 #define EX_UUID_LEN 16 struct exp_flavor_info { u32 pseudoflavor; u32 flags; }; struct svc_export { struct cache_head h; struct auth_domain * ex_client; int ex_flags; struct path ex_path; kuid_t ex_anon_uid; kgid_t ex_anon_gid; int ex_fsid; unsigned char * ex_uuid; /* 16 byte fsid */ struct nfsd4_fs_locations ex_fslocs; uint32_t ex_nflavors; struct exp_flavor_info ex_flavors[MAX_SECINFO_LIST]; u32 ex_layout_types; struct nfsd4_deviceid_map *ex_devid_map; struct cache_detail *cd; }; /* an "export key" (expkey) maps a filehandlefragement to an * svc_export for a given client. There can be several per export, * for the different fsid types. */ struct svc_expkey { struct cache_head h; struct auth_domain * ek_client; int ek_fsidtype; u32 ek_fsid[6]; struct path ek_path; }; #define EX_ISSYNC(exp) (!((exp)->ex_flags & NFSEXP_ASYNC)) #define EX_NOHIDE(exp) ((exp)->ex_flags & NFSEXP_NOHIDE) #define EX_WGATHER(exp) ((exp)->ex_flags & NFSEXP_GATHERED_WRITES) int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp); __be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp); /* * Function declarations */ int nfsd_export_init(struct net *); void nfsd_export_shutdown(struct net *); void nfsd_export_flush(struct net *); struct svc_export * rqst_exp_get_by_name(struct svc_rqst *, struct path *); struct svc_export * rqst_exp_parent(struct svc_rqst *, struct path *); struct svc_export * rqst_find_fsidzero_export(struct svc_rqst *); int exp_rootfh(struct net *, struct auth_domain *, char *path, struct knfsd_fh *, int maxsize); __be32 exp_pseudoroot(struct svc_rqst *, struct svc_fh *); __be32 nfserrno(int errno); static inline void exp_put(struct svc_export *exp) { cache_put(&exp->h, exp->cd); } static inline struct svc_export *exp_get(struct svc_export *exp) { cache_get(&exp->h); return exp; } struct svc_export * rqst_exp_find(struct svc_rqst *, int, u32 *); #endif /* NFSD_EXPORT_H */ dd4f2'>nl80211.c

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