treewide: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
diff --git a/fs/aio.c b/fs/aio.c
index 5736bff..d5ec303 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1511,7 +1511,7 @@ static inline void aio_rw_done(struct kiocb *req, ssize_t ret)
* may be already running. Just fail this IO with EINTR.
*/
ret = -EINTR;
- /*FALLTHRU*/
+ fallthrough;
default:
req->ki_complete(req, ret, 0);
}