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block: explicitly acquire aiocontext in timers that need it

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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170213135235.12274-13-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-02-13 14:52:29 +01:00 • committed by Stefan Hajnoczi
parent 0836c72f70
commit 2f47da5f7f
10 changed files with 35 additions and 7 deletions
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2
block/throttle-groups.c
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@ -416,7 +416,9 @@ static void timer_cb(BlockBackend *blk, bool is_write)
qemu_mutex_unlock(&tg->lock);
/* Run the request that was waiting for this timer */
aio_context_acquire(blk_get_aio_context(blk));
empty_queue = !qemu_co_enter_next(&blkp->throttled_reqs[is_write]);
aio_context_release(blk_get_aio_context(blk));
/* If the request queue was empty then we have to take care of
* scheduling the next one */