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init: add an init_mkdir helper

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Add a simple helper to mkdir with a kernel space file name and switch
the early init code over to it.  Remove the now unused ksys_mkdir.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2020-07-22 11:14:59 +02:00
parent cd3acb6a79
commit 83ff98c3e9
8 changed files with 25 additions and 13 deletions
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5
init/noinitramfs.c
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@@ -9,6 +9,7 @@
#include <linux/stat.h>
#include <linux/kdev_t.h>
#include <linux/syscalls.h>
#include <linux/init_syscalls.h>
/*
* Create a simple rootfs that is similar to the default initramfs
@@ -17,7 +18,7 @@ static int __init default_rootfs(void)
{
int err;
err = ksys_mkdir((const char __user __force *) "/dev", 0755);
err = init_mkdir("/dev", 0755);
if (err < 0)
goto out;
@@ -27,7 +28,7 @@ static int __init default_rootfs(void)
if (err < 0)
goto out;
err = ksys_mkdir((const char __user __force *) "/root", 0700);
err = init_mkdir("/root", 0700);
if (err < 0)
goto out;