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initramfs: use vfs_utimes in do_copy

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-07-30 08:19:00 +02:00
parent fd5ad30c78
commit 38b082236e
1 changed files with 6 additions and 4 deletions
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10
init/initramfs.c
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@ -202,7 +202,6 @@ static inline void __init eat(unsigned n)
byte_count -= n; byte_count -= n;
} }
static __initdata char *vcollected;
static __initdata char *collected; static __initdata char *collected;
static long remains __initdata; static long remains __initdata;
static __initdata char *collect; static __initdata char *collect;
@ -345,7 +344,6 @@ static int __init do_name(void)
vfs_fchmod(wfile, mode); vfs_fchmod(wfile, mode);
if (body_len) if (body_len)
vfs_truncate(&wfile->f_path, body_len); vfs_truncate(&wfile->f_path, body_len);
vcollected = kstrdup(collected, GFP_KERNEL);
state = CopyFile; state = CopyFile;
} }
} else if (S_ISDIR(mode)) { } else if (S_ISDIR(mode)) {
@ -368,11 +366,15 @@ static int __init do_name(void)
static int __init do_copy(void) static int __init do_copy(void)
{ {
if (byte_count >= body_len) { if (byte_count >= body_len) {
struct timespec64 t[2] = { };
if (xwrite(wfile, victim, body_len, &wfile_pos) != body_len) if (xwrite(wfile, victim, body_len, &wfile_pos) != body_len)
error("write error"); error("write error");
t[0].tv_sec = mtime;
t[1].tv_sec = mtime;
vfs_utimes(&wfile->f_path, t);
fput(wfile); fput(wfile);
do_utime(vcollected, mtime);
kfree(vcollected);
eat(body_len); eat(body_len);
state = SkipIt; state = SkipIt;
return 0; return 0;