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Subject[PATCH 22/23] init: add an init_utimes helper
Date
Add a simple helper to set timestamps with a kernel space file name and
switch the early init code over to it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/init.c | 13 +++++++++++++
include/linux/init_syscalls.h | 1 +
init/initramfs.c | 3 +--
3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/fs/init.c b/fs/init.c
index 51646ba38099e6..db5c48a85644fa 100644
--- a/fs/init.c
+++ b/fs/init.c
@@ -238,3 +238,16 @@ int __init init_rmdir(const char *pathname)
{
return do_rmdir(AT_FDCWD, getname_kernel(pathname));
}
+
+int __init init_utimes(char *filename, struct timespec64 *ts)
+{
+ struct path path;
+ int error;
+
+ error = kern_path(filename, 0, &path);
+ if (error)
+ return error;
+ error = vfs_utimes(&path, ts);
+ path_put(&path);
+ return error;
+}
diff --git a/include/linux/init_syscalls.h b/include/linux/init_syscalls.h
index b2fda50daca6c5..3654b525ac0b17 100644
--- a/include/linux/init_syscalls.h
+++ b/include/linux/init_syscalls.h
@@ -15,3 +15,4 @@ 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);
diff --git a/init/initramfs.c b/init/initramfs.c
index 8f7e39f06547ff..d5351737624edd 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -111,8 +111,7 @@ static long __init do_utime(char *filename, time64_t mtime)
t[0].tv_nsec = 0;
t[1].tv_sec = mtime;
t[1].tv_nsec = 0;
-
- return do_utimes(AT_FDCWD, filename, t, AT_SYMLINK_NOFOLLOW);
+ return init_utimes(filename, t);
}

static __initdata LIST_HEAD(dir_list);
--
2.27.0
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