Commit f63cf519 authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring: ensure that fsnotify is always called 



Ensure that we call fsnotify_modify() if we write a file, and that we
do fsnotify_access() if we read it. This enables anyone using inotify
on the file to get notified.

Ditto for fallocate, ensure that fsnotify_modify() is called.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent abdad709

fs/io_uring.c

+7 −1
Original line number Diff line number Diff line
@@ -2973,8 +2973,12 @@ static bool io_rw_should_reissue(struct io_kiocb *req) 


static bool __io_complete_rw_common(struct io_kiocb *req, long res)

{

	if (req->rw.kiocb.ki_flags & IOCB_WRITE)

	if (req->rw.kiocb.ki_flags & IOCB_WRITE) {

		kiocb_end_write(req);

		fsnotify_modify(req->file);

	} else {

		fsnotify_access(req->file);

	}

	if (unlikely(res != req->result)) {

		if ((res == -EAGAIN || res == -EOPNOTSUPP) &&

		    io_rw_should_reissue(req)) {
@@ -4537,6 +4541,8 @@ static int io_fallocate(struct io_kiocb *req, unsigned int issue_flags) 
				req->sync.len);

	if (ret < 0)

		req_set_fail(req);

	else

		fsnotify_modify(req->file);

	io_req_complete(req, ret);

	return 0;

}