On 09.08.20 17:02, Jiri Olsa wrote: > Adding d_path helper function that returns full path for > given 'struct path' object, which needs to be the kernel > BTF 'path' object. The path is returned in buffer provided > 'buf' of size 'sz' and is zero terminated. > > bpf_d_path(&file->f_path, buf, size); > > The helper calls directly d_path function, so there's only > limited set of function it can be called from. Adding just > very modest set for the start. > > Updating also bpf.h tools uapi header and adding 'path' to > bpf_helpers_doc.py script. > > Acked-by: Andrii Nakryiko <andriin@xxxxxx> Acked-by: KP Singh <kpsingh@xxxxxxxxxx> Thank you so much for working on this! > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> > --- [...] > /* integer value in 'imm' field of BPF_CALL instruction selects which helper >
