@@ -137,20 +137,24 @@ int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
BdrvRequestFlags flags);
static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset,
- unsigned int bytes, void *buf,
+ int64_t bytes, void *buf,
BdrvRequestFlags flags)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
+ assert(bytes <= SIZE_MAX);
+
return blk_co_preadv(blk, offset, bytes, &qiov, flags);
}
static inline int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset,
- unsigned int bytes, void *buf,
+ int64_t bytes, void *buf,
BdrvRequestFlags flags)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
+ assert(bytes <= SIZE_MAX);
+
return blk_co_pwritev(blk, offset, bytes, &qiov, flags);
}