Lines Matching refs:exp
30 struct svc_export *exp = expv; in nfsd_acceptable() local
35 if (exp->ex_flags & NFSEXP_NOSUBTREECHECK) in nfsd_acceptable()
39 while (tdentry != exp->ex_path.dentry && !IS_ROOT(tdentry)) { in nfsd_acceptable()
52 if (tdentry != exp->ex_path.dentry) in nfsd_acceptable()
54 rv = (tdentry == exp->ex_path.dentry); in nfsd_acceptable()
103 struct svc_export *exp) in nfsd_setuser_and_check_port() argument
105 int flags = nfsexp_flags(rqstp, exp); in nfsd_setuser_and_check_port()
116 return nfserrno(nfsd_setuser(rqstp, exp)); in nfsd_setuser_and_check_port()
120 struct dentry *dentry, struct svc_export *exp) in check_pseudo_root() argument
122 if (!(exp->ex_flags & NFSEXP_V4ROOT)) in check_pseudo_root()
144 if (unlikely(dentry != exp->ex_path.dentry)) in check_pseudo_root()
158 struct svc_export *exp; in nfsd_set_fh_dentry() local
198 exp = rqst_exp_find(rqstp, fh->fh_fsid_type, fh->fh_fsid); in nfsd_set_fh_dentry()
202 if (IS_ERR(exp)) { in nfsd_set_fh_dentry()
203 trace_nfsd_set_fh_dentry_badexport(rqstp, fhp, PTR_ERR(exp)); in nfsd_set_fh_dentry()
205 if (PTR_ERR(exp) == -ENOENT) in nfsd_set_fh_dentry()
208 return nfserrno(PTR_ERR(exp)); in nfsd_set_fh_dentry()
211 if (exp->ex_flags & NFSEXP_NOSUBTREECHECK) { in nfsd_set_fh_dentry()
232 error = nfsd_setuser_and_check_port(rqstp, exp); in nfsd_set_fh_dentry()
247 dentry = dget(exp->ex_path.dentry); in nfsd_set_fh_dentry()
249 dentry = exportfs_decode_fh_raw(exp->ex_path.mnt, fid, in nfsd_set_fh_dentry()
251 nfsd_acceptable, exp); in nfsd_set_fh_dentry()
279 fhp->fh_export = exp; in nfsd_set_fh_dentry()
296 exp_put(exp); in nfsd_set_fh_dentry()
330 struct svc_export *exp = NULL; in fh_verify() local
340 exp = fhp->fh_export; in fh_verify()
360 error = check_pseudo_root(rqstp, dentry, exp); in fh_verify()
364 error = nfsd_setuser_and_check_port(rqstp, exp); in fh_verify()
385 && exp->ex_path.dentry == dentry) in fh_verify()
388 error = check_nfsd_access(exp, rqstp); in fh_verify()
394 error = nfsd_permission(rqstp, exp, dentry, access); in fh_verify()
398 nfsd_stats_fh_stale_inc(exp); in fh_verify()
410 static void _fh_update(struct svc_fh *fhp, struct svc_export *exp, in _fh_update() argument
413 if (dentry != exp->ex_path.dentry) { in _fh_update()
417 int subtreecheck = !(exp->ex_flags & NFSEXP_NOSUBTREECHECK); in _fh_update()
427 static bool is_root_export(struct svc_export *exp) in is_root_export() argument
429 return exp->ex_path.dentry == exp->ex_path.dentry->d_sb->s_root; in is_root_export()
432 static struct super_block *exp_sb(struct svc_export *exp) in exp_sb() argument
434 return exp->ex_path.dentry->d_sb; in exp_sb()
437 static bool fsid_type_ok_for_exp(u8 fsid_type, struct svc_export *exp) in fsid_type_ok_for_exp() argument
441 if (!old_valid_dev(exp_sb(exp)->s_dev)) in fsid_type_ok_for_exp()
446 return exp_sb(exp)->s_type->fs_flags & FS_REQUIRES_DEV; in fsid_type_ok_for_exp()
448 return exp->ex_flags & NFSEXP_FSID; in fsid_type_ok_for_exp()
451 if (!is_root_export(exp)) in fsid_type_ok_for_exp()
456 return exp->ex_uuid != NULL; in fsid_type_ok_for_exp()
462 static void set_version_and_fsid_type(struct svc_fh *fhp, struct svc_export *exp, struct svc_fh *re… in set_version_and_fsid_type() argument
468 if (ref_fh && ref_fh->fh_export == exp) { in set_version_and_fsid_type()
490 if (!fsid_type_ok_for_exp(fsid_type, exp)) in set_version_and_fsid_type()
492 } else if (exp->ex_flags & NFSEXP_FSID) { in set_version_and_fsid_type()
494 } else if (exp->ex_uuid) { in set_version_and_fsid_type()
496 if (is_root_export(exp)) in set_version_and_fsid_type()
501 if (is_root_export(exp)) in set_version_and_fsid_type()
506 } else if (!old_valid_dev(exp_sb(exp)->s_dev)) in set_version_and_fsid_type()
517 fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry, in fh_compose() argument
526 dev_t ex_dev = exp_sb(exp)->s_dev; in fh_compose()
530 (long) d_inode(exp->ex_path.dentry)->i_ino, in fh_compose()
538 set_version_and_fsid_type(fhp, exp, ref_fh); in fh_compose()
556 fhp->fh_export = exp_get(exp); in fh_compose()
565 d_inode(exp->ex_path.dentry)->i_ino, in fh_compose()
566 exp->ex_fsid, exp->ex_uuid); in fh_compose()
569 _fh_update(fhp, exp, dentry); in fh_compose()
703 struct svc_export * exp = fhp->fh_export; in fh_put() local
710 if (exp) { in fh_put()
711 exp_put(exp); in fh_put()