1 /* 2 * Fsdev Throttle 3 * 4 * Copyright (C) 2016 Huawei Technologies Duesseldorf GmbH 5 * 6 * Author: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com> 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or 9 * (at your option) any later version. 10 * 11 * See the COPYING file in the top-level directory for details. 12 * 13 */ 14 15 #ifndef _FSDEV_THROTTLE_H 16 #define _FSDEV_THROTTLE_H 17 18 #include "block/aio.h" 19 #include "qemu/main-loop.h" 20 #include "qemu/coroutine.h" 21 #include "qemu/throttle.h" 22 23 typedef struct FsThrottle { 24 ThrottleState ts; 25 ThrottleTimers tt; 26 ThrottleConfig cfg; 27 CoQueue throttled_reqs[2]; 28 } FsThrottle; 29 30 void fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **); 31 32 void fsdev_throttle_init(FsThrottle *); 33 34 void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool , 35 struct iovec *, int); 36 37 void fsdev_throttle_cleanup(FsThrottle *); 38 #endif /* _FSDEV_THROTTLE_H */ 39