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expose mkdir to in-kernel consumers

This commit is contained in:
pooka 2009-07-02 12:53:47 +00:00
parent cdb510a7bb
commit 1a0b832e88
2 changed files with 16 additions and 8 deletions
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20
sys/kern/vfs_syscalls.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vfs_syscalls.c,v 1.395 2009/06/29 05:08:18 dholland Exp $ */
/* $NetBSD: vfs_syscalls.c,v 1.396 2009/07/02 12:53:47 pooka Exp $ */
/*-
* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls.c,v 1.395 2009/06/29 05:08:18 dholland Exp $");
__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls.c,v 1.396 2009/07/02 12:53:47 pooka Exp $");
#ifdef _KERNEL_OPT
#include "opt_fileassoc.h"
@ -3444,14 +3444,21 @@ sys_mkdir(struct lwp *l, const struct sys_mkdir_args *uap, register_t *retval)
syscallarg(const char *) path;
syscallarg(int) mode;
} */
struct proc *p = l->l_proc;
return do_sys_mkdir(SCARG(uap, path), SCARG(uap, mode));
}
int
do_sys_mkdir(const char *path, mode_t mode)
{
struct proc *p = curlwp->l_proc;
struct vnode *vp;
struct vattr vattr;
int error;
struct nameidata nd;
NDINIT(&nd, CREATE, LOCKPARENT | CREATEDIR | TRYEMULROOT, UIO_USERSPACE,
SCARG(uap, path));
NDINIT(&nd, CREATE, LOCKPARENT | CREATEDIR | TRYEMULROOT,
UIO_USERSPACE, path);
if ((error = namei(&nd)) != 0)
return (error);
vp = nd.ni_vp;
@ -3467,8 +3474,7 @@ sys_mkdir(struct lwp *l, const struct sys_mkdir_args *uap, register_t *retval)
VATTR_NULL(&vattr);
vattr.va_type = VDIR;
/* We will read cwdi->cwdi_cmask unlocked. */
vattr.va_mode =
(SCARG(uap, mode) & ACCESSPERMS) &~ p->p_cwdi->cwdi_cmask;
vattr.va_mode = (mode & ACCESSPERMS) &~ p->p_cwdi->cwdi_cmask;
error = VOP_MKDIR(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
if (!error)
vput(nd.ni_vp);

4
sys/sys/vfs_syscalls.h
View File

@ -1,8 +1,9 @@
/* $NetBSD: vfs_syscalls.h,v 1.9 2009/01/11 02:45:56 christos Exp $ */
/* $NetBSD: vfs_syscalls.h,v 1.10 2009/07/02 12:53:47 pooka Exp $ */
#ifndef _SYS_VFS_SYSCALLS_H_
#define _SYS_VFS_SYSCALLS_H_
#include <sys/types.h>
#include <sys/fstypes.h>
struct stat;
@ -36,5 +37,6 @@ int dofhopen(struct lwp *, const void *, size_t, int, register_t *);
int do_sys_unlink(const char *, enum uio_seg);
int do_sys_rename(const char *, const char *, enum uio_seg, int);
int do_sys_mknod(struct lwp *l, const char *, mode_t, dev_t, register_t *);
int do_sys_mkdir(const char *, mode_t);
#endif /* _SYS_VFS_SYSCALLS_H_ */