[PATCH 4/4] initramfs: use vfs_utimes in do_copy

From: Christoph Hellwig
Date: Wed Jul 15 2020 - 02:54:48 EST


Don't bother saving away the pathname and just use the new struct path
based utimes helper instead.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
init/initramfs.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/init/initramfs.c b/init/initramfs.c
index c335920e5ecc2d..3823d15e5d2619 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -201,7 +201,6 @@ static inline void __init eat(unsigned n)
byte_count -= n;
}

-static __initdata char *vcollected;
static __initdata char *collected;
static long remains __initdata;
static __initdata char *collect;
@@ -342,7 +341,6 @@ static int __init do_name(void)
vfs_fchmod(wfile, mode);
if (body_len)
vfs_truncate(&wfile->f_path, body_len);
- vcollected = kstrdup(collected, GFP_KERNEL);
state = CopyFile;
}
} else if (S_ISDIR(mode)) {
@@ -365,11 +363,16 @@ static int __init do_name(void)
static int __init do_copy(void)
{
if (byte_count >= body_len) {
+ struct timespec64 t[2] = { };
+
if (xwrite(wfile, victim, body_len) != body_len)
error("write error");
+
+ t[0].tv_sec = mtime;
+ t[1].tv_sec = mtime;
+ vfs_utimes(&wfile->f_path, t);
+
fput(wfile);
- do_utime(vcollected, mtime);
- kfree(vcollected);
eat(body_len);
state = SkipIt;
return 0;
--
2.27.0