Hi, There's really no need to keep this one in the io_kiocb, so get rid of it. Changes since v2: - Don't grab uring_lock in io_uring_cmd_import_fixed(), but check if req->rsrc_node has been set. - Verify fixed buffers work, the liburing test case was broken. include/linux/io_uring_types.h | 3 --- io_uring/net.c | 29 ++++++++++++++++------------- io_uring/rw.c | 5 +++-- io_uring/uring_cmd.c | 23 ++++++++++++++++++----- 4 files changed, 37 insertions(+), 23 deletions(-) -- Jens Axboe