On Tue, Aug 3, 2021 at 3:46 PM Jason Wang <jasowang@xxxxxxxxxx> wrote: > > > 在 2021/7/29 下午3:34, Xie Yongji 写道: > > Export receive_fd() so that some modules can use > > it to pass file descriptor between processes without > > missing any security stuffs. > > > > Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx> > > --- > > fs/file.c | 6 ++++++ > > include/linux/file.h | 7 +++---- > > 2 files changed, 9 insertions(+), 4 deletions(-) > > > > diff --git a/fs/file.c b/fs/file.c > > index 86dc9956af32..210e540672aa 100644 > > --- a/fs/file.c > > +++ b/fs/file.c > > @@ -1134,6 +1134,12 @@ int receive_fd_replace(int new_fd, struct file *file, unsigned int o_flags) > > return new_fd; > > } > > > > +int receive_fd(struct file *file, unsigned int o_flags) > > +{ > > + return __receive_fd(file, NULL, o_flags); > > > Any reason that receive_fd_user() can live in the file.h? > Since no modules use it. Thanks, Yongji