init: add an init_chroot helper
Add a simple helper to chroot with a kernel space file name and switch
the early init code over to it. Remove the now unused ksys_chroot.
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/open.c b/fs/open.c
index 723e0ac..f62f475 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -530,7 +530,7 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd)
return error;
}
-int ksys_chroot(const char __user *filename)
+SYSCALL_DEFINE1(chroot, const char __user *, filename)
{
struct path path;
int error;
@@ -563,11 +563,6 @@ int ksys_chroot(const char __user *filename)
return error;
}
-SYSCALL_DEFINE1(chroot, const char __user *, filename)
-{
- return ksys_chroot(filename);
-}
-
static int chmod_common(const struct path *path, umode_t mode)
{
struct inode *inode = path->dentry->d_inode;
