Any update on this? It would be good to submit the patch earlier for a release cycle so we got a chance it may be accepted in the current release cycle.
On Fri, Jul 26, 2019 at 3:41 AM carlos antonio neira bustos <cneirabustos@...> wrote:
Thanks Yonghong!. Yes, I was looking at filename_lookup today on how to do it, I'll work on that. Thank you very much.
El vie., 26 de jul. de 2019 01:18, Yonghong Song <ys114321@...> escribió:
On Thu, Jul 25, 2019 at 12:11 PM Alexei Starovoitov <alexei.starovoitov@...> wrote:
On Thu, Jul 25, 2019 at 11:53 AM neirac <cneirabustos@...> wrote:
Hey Yonghong, I have changed getname_kernel interface to specify the allocation type, all previous callers preserve GFP_KERNEL as the allocation type, after this change getname_kernel could be used with GFP_ATOMIC in ebpf helpers. If this change goes in, I could complete bpf_get_current_pidns_info helper. Let me know your thoughts.
please figure out how to get pidns_info w/o calling into getname_kernel().
Looks like we can call filename_lookup() directly. We do not need to call getname_kernel(). We know the exact path name. We can do a atomic allocation inside the helper. Carlos, could you take a look along this line? In this way, we do not need to change any files under linux/fs.
