1 files changed, 7 insertions, 37 deletions

diff --git a/block/io.c b/block/io.c
index 0a8cbefe86..c3200bcdff 100644
--- a/block/io.c
+++ b/block/io.c
@@ -828,20 +828,16 @@ bdrv_find_conflicting_request(BdrvTrackedRequest *self)
 }
 
 /* Called with self->bs->reqs_lock held */
-static bool coroutine_fn
+static void coroutine_fn
 bdrv_wait_serialising_requests_locked(BdrvTrackedRequest *self)
 {
     BdrvTrackedRequest *req;
-    bool waited = false;
 
     while ((req = bdrv_find_conflicting_request(self))) {
         self->waiting_for = req;
         qemu_co_queue_wait(&req->wait_queue, &self->bs->reqs_lock);
         self->waiting_for = NULL;
-        waited = true;
     }
-
-    return waited;
 }
 
 /* Called with req->bs->reqs_lock held */
@@ -934,36 +930,31 @@ void bdrv_dec_in_flight(BlockDriverState *bs)
     bdrv_wakeup(bs);
 }
 
-static bool coroutine_fn bdrv_wait_serialising_requests(BdrvTrackedRequest *self)
+static void coroutine_fn
+bdrv_wait_serialising_requests(BdrvTrackedRequest *self)
 {
     BlockDriverState *bs = self->bs;
-    bool waited = false;
 
     if (!qatomic_read(&bs->serialising_in_flight)) {
-        return false;
+        return;
     }
 
     qemu_co_mutex_lock(&bs->reqs_lock);
-    waited = bdrv_wait_serialising_requests_locked(self);
+    bdrv_wait_serialising_requests_locked(self);
     qemu_co_mutex_unlock(&bs->reqs_lock);
-
-    return waited;
 }
 
-bool coroutine_fn bdrv_make_request_serialising(BdrvTrackedRequest *req,
+void coroutine_fn bdrv_make_request_serialising(BdrvTrackedRequest *req,
                                                 uint64_t align)
 {
-    bool waited;
     IO_CODE();
 
     qemu_co_mutex_lock(&req->bs->reqs_lock);
 
     tracked_request_set_serialising(req, align);
-    waited = bdrv_wait_serialising_requests_locked(req);
+    bdrv_wait_serialising_requests_locked(req);
 
     qemu_co_mutex_unlock(&req->bs->reqs_lock);
-
-    return waited;
 }
 
 int bdrv_check_qiov_request(int64_t offset, int64_t bytes,
@@ -3236,27 +3227,6 @@ void *qemu_try_blockalign0(BlockDriverState *bs, size_t size)
     return mem;
 }
 
-/*
- * Check if all memory in this vector is sector aligned.
- */
-bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov)
-{
-    int i;
-    size_t alignment = bdrv_min_mem_align(bs);
-    IO_CODE();
-
-    for (i = 0; i < qiov->niov; i++) {
-        if ((uintptr_t) qiov->iov[i].iov_base % alignment) {
-            return false;
-        }
-        if (qiov->iov[i].iov_len % alignment) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
 void bdrv_io_plug(BlockDriverState *bs)
 {
     BdrvChild *child;