From: Jens Axboe axboe@kernel.dk
commit f63cf5192fe3418ad5ae1a4412eba5694b145f79 upstream.
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: Jens Axboe axboe@kernel.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/io_uring.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
--- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2720,8 +2720,12 @@ static bool io_rw_should_reissue(struct
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)) { @@ -4211,6 +4215,8 @@ static int io_fallocate(struct io_kiocb req->sync.len); if (ret < 0) req_set_fail(req); + else + fsnotify_modify(req->file); io_req_complete(req, ret); return 0; }