io_uring: Remove unused function req_ref_put

[ upstream commmit c84b8a3fef663933007e885535591b9d30bdc860 ]

Fix the following clang warnings:

fs/io_uring.c:1195:20: warning: unused function 'req_ref_put'
[-Wunused-function].

Fixes: aa43477b0402 ("io_uring: poll rework")
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220113162005.3011-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
[pavel: backport]
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 10578cd8cbeca9094c58dfaa08d97b6c5d34402e..92c7e0c78242da90d01c0e59b12a35fdd4afe03d 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1155,12 +1155,6 @@ static inline bool req_ref_put_and_test(struct io_kiocb *req)
        return atomic_dec_and_test(&req->refs);
 }
 
-static inline void req_ref_put(struct io_kiocb *req)
-{
-       WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
-       WARN_ON_ONCE(req_ref_put_and_test(req));
-}
-
 static inline void req_ref_get(struct io_kiocb *req)
 {
        WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));