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Merge pull request #18179 from poettering/machine-image-tweaks

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two simple tweaks to the machine-image.c logic
This commit is contained in:
Lennart Poettering 2021-01-09 17:34:50 +01:00 committed by GitHub
commit 91efc847dc
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1 changed files with 19 additions and 12 deletions
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31
src/shared/machine-image.c
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@ -129,17 +129,21 @@ static int image_new(
assert(filename);
assert(ret);
i = new0(Image, 1);
i = new(Image, 1);
if (!i)
return -ENOMEM;
i->n_ref = 1;
i->type = t;
i->read_only = read_only;
i->crtime = crtime;
i->mtime = mtime;
i->usage = i->usage_exclusive = (uint64_t) -1;
i->limit = i->limit_exclusive = (uint64_t) -1;
*i = (Image) {
.n_ref = 1,
.type = t,
.read_only = read_only,
.crtime = crtime,
.mtime = mtime,
.usage = UINT64_MAX,
.usage_exclusive = UINT64_MAX,
.limit = UINT64_MAX,
.limit_exclusive = UINT64_MAX,
};
i->name = strdup(pretty);
if (!i->name)
@ -232,6 +236,7 @@ static int image_make(
if (S_ISDIR(st->st_mode)) {
_cleanup_close_ int fd = -1;
unsigned file_attr = 0;
usec_t crtime = 0;
if (!ret)
return 0;
@ -291,8 +296,10 @@ static int image_make(
}
}
/* If the IMMUTABLE bit is set, we consider the
* directory read-only. Since the ioctl is not
/* Get directory creation time (not available everywhere, but that's OK */
(void) fd_getcrtime(dfd, &crtime);
/* If the IMMUTABLE bit is set, we consider the directory read-only. Since the ioctl is not
* supported everywhere we ignore failures. */
(void) read_attr_fd(fd, &file_attr);
@ -302,8 +309,8 @@ static int image_make(
path,
filename,
read_only || (file_attr & FS_IMMUTABLE_FL),
0,
0,
crtime,
0, /* we don't use mtime of stat() here, since it's not the time of last change of the tree, but only of the top-level dir */
ret);
if (r < 0)
return r;