Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull init and set_fs() cleanups from Al Viro:
 "Christoph's 'getting rid of ksys_...() uses under KERNEL_DS' series"

* 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (50 commits)
  init: add an init_dup helper
  init: add an init_utimes helper
  init: add an init_stat helper
  init: add an init_mknod helper
  init: add an init_mkdir helper
  init: add an init_symlink helper
  init: add an init_link helper
  init: add an init_eaccess helper
  init: add an init_chmod helper
  init: add an init_chown helper
  init: add an init_chroot helper
  init: add an init_chdir helper
  init: add an init_rmdir helper
  init: add an init_unlink helper
  init: add an init_umount helper
  init: add an init_mount helper
  init: mark create_dev as __init
  init: mark console_on_rootfs as __init
  init: initialize ramdisk_execute_command at compile time
  devtmpfs: refactor devtmpfsd()
  ...

6 files changed, 31 insertions, 102 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 488c3ef93601..6d1976916635 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1712,6 +1712,10 @@ int vfs_mkobj(struct dentry *, umode_t,
 		int (*f)(struct dentry *, umode_t, void *),
 		void *);
 
+int vfs_fchown(struct file *file, uid_t user, gid_t group);
+int vfs_fchmod(struct file *file, umode_t mode);
+int vfs_utimes(const struct path *path, struct timespec64 *times);
+
 extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 
 #ifdef CONFIG_COMPAT
diff --git a/include/linux/init_syscalls.h b/include/linux/init_syscalls.h
new file mode 100644
index 000000000000..92045d18cbfc
--- /dev/null
+++ b/include/linux/init_syscalls.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+int __init init_mount(const char *dev_name, const char *dir_name,
+		const char *type_page, unsigned long flags, void *data_page);
+int __init init_umount(const char *name, int flags);
+int __init init_chdir(const char *filename);
+int __init init_chroot(const char *filename);
+int __init init_chown(const char *filename, uid_t user, gid_t group, int flags);
+int __init init_chmod(const char *filename, umode_t mode);
+int __init init_eaccess(const char *filename);
+int __init init_stat(const char *filename, struct kstat *stat, int flags);
+int __init init_mknod(const char *filename, umode_t mode, unsigned int dev);
+int __init init_link(const char *oldname, const char *newname);
+int __init init_symlink(const char *oldname, const char *newname);
+int __init init_unlink(const char *pathname);
+int __init init_mkdir(const char *pathname, umode_t mode);
+int __init init_rmdir(const char *pathname);
+int __init init_utimes(char *filename, struct timespec64 *ts);
+int __init init_dup(struct file *file);
diff --git a/include/linux/initrd.h b/include/linux/initrd.h
index aa5914355728..8db6f8c8030b 100644
--- a/include/linux/initrd.h
+++ b/include/linux/initrd.h
@@ -2,12 +2,6 @@
 
 #define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */
 
-/* 1 = load ramdisk, 0 = don't load */
-extern int rd_doload;
-
-/* 1 = prompt for ramdisk, 0 = don't prompt */
-extern int rd_prompt;
-
 /* starting block # of image */
 extern int rd_image_start;
 
diff --git a/include/linux/raid/detect.h b/include/linux/raid/detect.h
index 37dd3f40cd31..1f029a71c3ef 100644
--- a/include/linux/raid/detect.h
+++ b/include/linux/raid/detect.h
@@ -1,3 +1,11 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 
 void md_autodetect_dev(dev_t dev);
+
+#ifdef CONFIG_BLK_DEV_MD
+void md_run_setup(void);
+#else
+static inline void md_run_setup(void)
+{
+}
+#endif
diff --git a/include/linux/raid/md_u.h b/include/linux/raid/md_u.h
deleted file mode 100644
index 8dfec085a20e..000000000000
--- a/include/linux/raid/md_u.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
-   md_u.h : user <=> kernel API between Linux raidtools and RAID drivers
-          Copyright (C) 1998 Ingo Molnar
-	  
-*/
-#ifndef _MD_U_H
-#define _MD_U_H
-
-#include <uapi/linux/raid/md_u.h>
-
-extern int mdp_major;
-#endif 
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index e07a83f9f093..a2429d336593 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -1237,18 +1237,8 @@ asmlinkage long sys_ni_syscall(void);
  * Instead, use one of the functions which work equivalently, such as
  * the ksys_xyzyyz() functions prototyped below.
  */
-
-int ksys_umount(char __user *name, int flags);
-int ksys_dup(unsigned int fildes);
-int ksys_chroot(const char __user *filename);
 ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
-int ksys_chdir(const char __user *filename);
-int ksys_fchmod(unsigned int fd, umode_t mode);
 int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
-int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
-		    unsigned int count);
-int ksys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
-off_t ksys_lseek(unsigned int fd, off_t offset, unsigned int whence);
 ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
 void ksys_sync(void);
 int ksys_unshare(unsigned long unshare_flags);
@@ -1282,68 +1272,6 @@ int compat_ksys_ipc(u32 call, int first, int second,
  * The following kernel syscall equivalents are just wrappers to fs-internal
  * functions. Therefore, provide stubs to be inlined at the callsites.
  */
-extern long do_unlinkat(int dfd, struct filename *name);
-
-static inline long ksys_unlink(const char __user *pathname)
-{
-	return do_unlinkat(AT_FDCWD, getname(pathname));
-}
-
-extern long do_rmdir(int dfd, const char __user *pathname);
-
-static inline long ksys_rmdir(const char __user *pathname)
-{
-	return do_rmdir(AT_FDCWD, pathname);
-}
-
-extern long do_mkdirat(int dfd, const char __user *pathname, umode_t mode);
-
-static inline long ksys_mkdir(const char __user *pathname, umode_t mode)
-{
-	return do_mkdirat(AT_FDCWD, pathname, mode);
-}
-
-extern long do_symlinkat(const char __user *oldname, int newdfd,
-			 const char __user *newname);
-
-static inline long ksys_symlink(const char __user *oldname,
-				const char __user *newname)
-{
-	return do_symlinkat(oldname, AT_FDCWD, newname);
-}
-
-extern long do_mknodat(int dfd, const char __user *filename, umode_t mode,
-		       unsigned int dev);
-
-static inline long ksys_mknod(const char __user *filename, umode_t mode,
-			      unsigned int dev)
-{
-	return do_mknodat(AT_FDCWD, filename, mode, dev);
-}
-
-extern int do_linkat(int olddfd, const char __user *oldname, int newdfd,
-		     const char __user *newname, int flags);
-
-static inline long ksys_link(const char __user *oldname,
-			     const char __user *newname)
-{
-	return do_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
-}
-
-extern int do_fchmodat(int dfd, const char __user *filename, umode_t mode);
-
-static inline int ksys_chmod(const char __user *filename, umode_t mode)
-{
-	return do_fchmodat(AT_FDCWD, filename, mode);
-}
-
-long do_faccessat(int dfd, const char __user *filename, int mode, int flags);
-
-static inline long ksys_access(const char __user *filename, int mode)
-{
-	return do_faccessat(AT_FDCWD, filename, mode, 0);
-}
-
 extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
 		       gid_t group, int flag);
 
@@ -1379,17 +1307,6 @@ static inline int ksys_close(unsigned int fd)
 	return __close_fd(current->files, fd);
 }
 
-extern long do_sys_open(int dfd, const char __user *filename, int flags,
-			umode_t mode);
-
-static inline long ksys_open(const char __user *filename, int flags,
-			     umode_t mode)
-{
-	if (force_o_largefile())
-		flags |= O_LARGEFILE;
-	return do_sys_open(AT_FDCWD, filename, flags, mode);
-}
-
 extern long do_sys_truncate(const char __user *pathname, loff_t length);
 
 static inline long ksys_truncate(const char __user *pathname, loff_t length)