tree-wide: replace cg_{fd,path}_get_cgroupid() with {fd,path}_to_handle_u64()

src/basic/cgroup-util.c

@@ -47,9 +47,6 @@ typedef union {
                 .file_handle.handle_type = FILEID_KERNFS,       \
         }
 
-/* The .f_handle field is not aligned to 64bit on some archs, hence read it via an unaligned accessor */
-#define CG_FILE_HANDLE_CGROUPID(fh) unaligned_read_ne64(fh.file_handle.f_handle)
-
 int cg_is_available(void) {
         struct statfs fs;
 
@@ -112,24 +109,6 @@ int cg_path_from_cgroupid(int cgroupfs_fd, uint64_t id, char **ret) {
         return 0;
 }
 
-int cg_get_cgroupid_at(int dfd, const char *path, uint64_t *ret) {
-        cg_file_handle fh = CG_FILE_HANDLE_INIT;
-        int mnt_id;
-
-        assert(dfd >= 0 || (dfd == AT_FDCWD && path_is_absolute(path)));
-        assert(ret);
-
-        /* This is cgroupfs so we know the size of the handle, thus no need to loop around like
-         * name_to_handle_at_loop() does in mountpoint-util.c */
-        if (name_to_handle_at(dfd, strempty(path), &fh.file_handle, &mnt_id, isempty(path) ? AT_EMPTY_PATH : 0) < 0) {
-                assert(errno != EOVERFLOW);
-                return -errno;
-        }
-
-        *ret = CG_FILE_HANDLE_CGROUPID(fh);
-        return 0;
-}
-
 int cg_enumerate_processes(const char *path, FILE **ret) {
         _cleanup_free_ char *fs = NULL;
         FILE *f;

src/basic/cgroup-util.h

@@ -125,13 +125,6 @@ int cg_path_open(const char *path);
 int cg_cgroupid_open(int cgroupfs_fd, uint64_t id);
 
 int cg_path_from_cgroupid(int cgroupfs_fd, uint64_t id, char **ret);
-int cg_get_cgroupid_at(int dfd, const char *path, uint64_t *ret);
-static inline int cg_path_get_cgroupid(const char *path, uint64_t *ret) {
-        return cg_get_cgroupid_at(AT_FDCWD, path, ret);
-}
-static inline int cg_fd_get_cgroupid(int fd, uint64_t *ret) {
-        return cg_get_cgroupid_at(fd, NULL, ret);
-}
 
 typedef enum CGroupFlags {
         CGROUP_SIGCONT            = 1 << 0,