On Tue, May 23, 2023 at 06:58:01AM +0000, aloktiagi wrote: > +/* > + * This is called from eventpoll_replace() to replace a linked file in the epoll > + * interface with a new file received from another process. This is useful in > + * cases where a process is trying to install a new file for an existing one > + * that is linked in the epoll interface > + */ > +int eventpoll_replace_file(struct file *toreplace, struct file *file, int tfd) Functions do not control where they are called from. Just take that clause out: /* * Replace a linked file in the epoll interface with a new file received * from another process. This allows a process to * install a new file for an existing one that is linked in the epoll * interface */ But, erm, aren't those two sentences basically saying the same thing? So simplify again: /* * Replace a linked file in the epoll interface with a new file */ > diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h > index 3337745d81bd..2a6c8f52f272 100644 > --- a/include/linux/eventpoll.h > +++ b/include/linux/eventpoll.h > @@ -25,6 +25,14 @@ struct file *get_epoll_tfile_raw_ptr(struct file *file, int tfd, unsigned long t > /* Used to release the epoll bits inside the "struct file" */ > void eventpoll_release_file(struct file *file); > > +/* > + * This is called from fs/file.c:do_replace() to replace a linked file in the > + * epoll interface with a new file received from another process. This is useful > + * in cases where a process is trying to install a new file for an existing one > + * that is linked in the epoll interface > + */ > +int eventpoll_replace_file(struct file *toreplace, struct file *file, int tfd); No need to repeat the comment again. Just delete it here.