qemu/fsdev/qemu-fsdev-throttle.h
Greg Kurz ea52cdd443 fsdev: Add return value to fsdev_throttle_parse_opts()
It is more convenient to use the return value of the function to notify
errors, rather than to be tied up setting up the &local_err boilerplate.

Signed-off-by: Greg Kurz <groug@kaod.org>
2019-10-10 11:36:05 +02:00

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/*
* Fsdev Throttle
*
* Copyright (C) 2016 Huawei Technologies Duesseldorf GmbH
*
* Author: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* (at your option) any later version.
*
* See the COPYING file in the top-level directory for details.
*
*/
#ifndef QEMU_FSDEV_THROTTLE_H
#define QEMU_FSDEV_THROTTLE_H
#include "block/aio.h"
#include "qemu/coroutine.h"
#include "qemu/throttle.h"
typedef struct FsThrottle {
ThrottleState ts;
ThrottleTimers tt;
ThrottleConfig cfg;
CoQueue throttled_reqs[2];
} FsThrottle;
int fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **);
void fsdev_throttle_init(FsThrottle *);
void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool ,
struct iovec *, int);
void fsdev_throttle_cleanup(FsThrottle *);
#endif /* QEMU_FSDEV_THROTTLE_H */