forked from Minki/linux
20cce026c3
Add a simple helper to rmdir with a kernel space file name and switch the early init code over to it. Remove the now unused ksys_rmdir. Signed-off-by: Christoph Hellwig <hch@lst.de>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Routines that mimic syscalls, but don't use the user address space or file
|
|
* descriptors. Only for init/ and related early init code.
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <linux/mount.h>
|
|
#include <linux/namei.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/init_syscalls.h>
|
|
#include "internal.h"
|
|
|
|
int __init init_mount(const char *dev_name, const char *dir_name,
|
|
const char *type_page, unsigned long flags, void *data_page)
|
|
{
|
|
struct path path;
|
|
int ret;
|
|
|
|
ret = kern_path(dir_name, LOOKUP_FOLLOW, &path);
|
|
if (ret)
|
|
return ret;
|
|
ret = path_mount(dev_name, &path, type_page, flags, data_page);
|
|
path_put(&path);
|
|
return ret;
|
|
}
|
|
|
|
int __init init_umount(const char *name, int flags)
|
|
{
|
|
int lookup_flags = LOOKUP_MOUNTPOINT;
|
|
struct path path;
|
|
int ret;
|
|
|
|
if (!(flags & UMOUNT_NOFOLLOW))
|
|
lookup_flags |= LOOKUP_FOLLOW;
|
|
ret = kern_path(name, lookup_flags, &path);
|
|
if (ret)
|
|
return ret;
|
|
return path_umount(&path, flags);
|
|
}
|
|
|
|
int __init init_unlink(const char *pathname)
|
|
{
|
|
return do_unlinkat(AT_FDCWD, getname_kernel(pathname));
|
|
}
|
|
|
|
int __init init_rmdir(const char *pathname)
|
|
{
|
|
return do_rmdir(AT_FDCWD, getname_kernel(pathname));
|
|
}
|