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coroutine: Drop co_sleep_ns

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block_job_sleep_ns is the only user. Since we are moving towards
AioContext aware code, it's better to use the explicit version and drop
the old one.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng 2014-08-26 15:15:43 +08:00 committed by Stefan Hajnoczi
parent a9db86b223
commit 0b9caf9b31
3 changed files with 1 additions and 21 deletions
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2
blockjob.c
View File

@ -205,7 +205,7 @@ void block_job_sleep_ns(BlockJob *job, QEMUClockType type, int64_t ns)
if (block_job_is_paused(job)) {
qemu_coroutine_yield();
} else {
co_sleep_ns(type, ns);
co_aio_sleep_ns(bdrv_get_aio_context(job->bs), type, ns);
}
job->busy = true;
}

8
include/block/coroutine.h
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@ -200,14 +200,6 @@ void qemu_co_rwlock_wrlock(CoRwlock *lock);
*/
void qemu_co_rwlock_unlock(CoRwlock *lock);
/**
* Yield the coroutine for a given duration
*
* Note this function uses timers and hence only works when a main loop is in
* use. See main-loop.h and do not use from qemu-tool programs.
*/
void coroutine_fn co_sleep_ns(QEMUClockType type, int64_t ns);
/**
* Yield the coroutine for a given duration
*

12
qemu-coroutine-sleep.c
View File

@ -27,18 +27,6 @@ static void co_sleep_cb(void *opaque)
qemu_coroutine_enter(sleep_cb->co, NULL);
}
void coroutine_fn co_sleep_ns(QEMUClockType type, int64_t ns)
{
CoSleepCB sleep_cb = {
.co = qemu_coroutine_self(),
};
sleep_cb.ts = timer_new(type, SCALE_NS, co_sleep_cb, &sleep_cb);
timer_mod(sleep_cb.ts, qemu_clock_get_ns(type) + ns);
qemu_coroutine_yield();
timer_del(sleep_cb.ts);
timer_free(sleep_cb.ts);
}
void coroutine_fn co_aio_sleep_ns(AioContext *ctx, QEMUClockType type,
int64_t ns)
{