On Thu 20-05-21 12:09:45, Matthew Bobrowski wrote: > Hey Jan/Amir/Christian, > > This is the updated patch series for adding pidfd support to the > fanotify API. It incorporates all the suggestions that had come out of > the initial RFC patch series [0]. > > The main difference with this patch series is that FAN_REPORT_PIDFD > results in an additional info record object supplied alongside the > generic event metadata object instead of overloading metadata->pid. If > any of the fid flavoured init flags are specified, then the pidfd info > record object will follow any fid info record objects. > > [0] https://www.spinics.net/lists/linux-fsdevel/msg193296.html Overall the series looks fine to me - modulo the problems Christian & Amir found. Do you have any tests for this? Preferably for LTP so that we can extend the coverage there? Honza > > Matthew Bobrowski (5): > kernel/pid.c: remove static qualifier from pidfd_create() > kernel/pid.c: implement checks on parameters passed to pidfd_create() > fanotify_user.c: minor cosmetic adjustments to fid labels > fanotify/fanotify_user.c: introduce a generic info record copying > function > fanotify: Add pidfd info record support to the fanotify API > > fs/notify/fanotify/fanotify_user.c | 216 +++++++++++++++++++---------- > include/linux/fanotify.h | 3 + > include/linux/pid.h | 1 + > include/uapi/linux/fanotify.h | 12 ++ > kernel/pid.c | 15 +- > 5 files changed, 170 insertions(+), 77 deletions(-) > > -- > 2.31.1.751.gd2f1c929bd-goog > > /M -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR