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b8bbdb886e
This patchset adds the throttle support for the 9p-local driver. For now this functionality can be enabled only through qemu cli options. QMP interface and support to other drivers need further extensions. To make it simple for other 9p drivers, the throttle code has been put in separate files. Signed-off-by: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com> Reviewed-by: Alberto Garcia <berto@igalia.com> (pass extra NULL CoMutex * argument to qemu_co_queue_wait(), added options to qemu-options.hx, Greg Kurz) Signed-off-by: Greg Kurz <groug@kaod.org>
40 lines
981 B
C
40 lines
981 B
C
/*
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* Fsdev Throttle
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*
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* Copyright (C) 2016 Huawei Technologies Duesseldorf GmbH
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*
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* Author: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* (at your option) any later version.
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*
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* See the COPYING file in the top-level directory for details.
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*
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*/
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#ifndef _FSDEV_THROTTLE_H
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#define _FSDEV_THROTTLE_H
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#include "block/aio.h"
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#include "qemu/main-loop.h"
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#include "qemu/coroutine.h"
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#include "qapi/error.h"
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#include "qemu/throttle.h"
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typedef struct FsThrottle {
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ThrottleState ts;
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ThrottleTimers tt;
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ThrottleConfig cfg;
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CoQueue throttled_reqs[2];
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} FsThrottle;
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void fsdev_throttle_parse_opts(QemuOpts *, FsThrottle *, Error **);
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void fsdev_throttle_init(FsThrottle *);
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void coroutine_fn fsdev_co_throttle_request(FsThrottle *, bool ,
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struct iovec *, int);
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void fsdev_throttle_cleanup(FsThrottle *);
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#endif /* _FSDEV_THROTTLE_H */
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