On 8/27/20 9:59 AM, Abhishek Vijeev wrote: > Hi, > > From a user-space process, given a BPF map file descriptor, is it > possible to determine whether the map is frozen (with BPF_MAP_FREEZE)? > > As far as I'm aware, the only way to retrieve information about BPF > maps from file descriptors is to use BPF_OBJ_GET_INFO_BY_FD. However, > I do not see a field which tells me whether a map is frozen (or not) > in struct bpf_map_info > (https://github.com/torvalds/linux/blob/master/include/uapi/linux/bpf.h#L4035). > Kindly correct me if I'm wrong. > > Thank you, > Abhishek Vijeev. > fdinfo for the file has the frozen status (cat /proc/$pid/fdinfo/$fd)
