fstab-util: add fstab_is_bind

This commit is contained in:
Mike Yuan
2023-07-13 23:13:10 +08:00
parent d7d36252e5
commit 35df78cd88
3 changed files with 16 additions and 8 deletions

View File

@@ -123,14 +123,7 @@ static bool mount_is_loop(const MountParameters *p) {
static bool mount_is_bind(const MountParameters *p) {
assert(p);
if (fstab_test_option(p->options, "bind\0" "rbind\0"))
return true;
if (p->fstype && STR_IN_SET(p->fstype, "bind", "rbind"))
return true;
return false;
return fstab_is_bind(p->options, p->fstype);
}
static bool mount_is_bound_to_device(Mount *m) {

View File

@@ -20,6 +20,8 @@ int fstab_has_fstype(const char *fstype) {
_cleanup_endmntent_ FILE *f = NULL;
struct mntent *m;
assert(fstype);
f = setmntent(fstab_path(), "re");
if (!f)
return errno == ENOENT ? false : -errno;
@@ -288,3 +290,14 @@ char *fstab_node_to_udev_node(const char *p) {
return strdup(p);
}
bool fstab_is_bind(const char *options, const char *fstype) {
if (fstab_test_option(options, "bind\0" "rbind\0"))
return true;
if (fstype && STR_IN_SET(fstype, "bind", "rbind"))
return true;
return false;
}

View File

@@ -40,3 +40,5 @@ char *fstab_node_to_udev_node(const char *p);
static inline const char* fstab_path(void) {
return secure_getenv("SYSTEMD_FSTAB") ?: "/etc/fstab";
}
bool fstab_is_bind(const char *options, const char *fstype);