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Merge pull request #13055 from optimistyzy/2017123_random_read

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os/bluestore/NVMEDevice.cc: fix the random read issue.

Reviewed-by: Haomai Wang <haomai@xsky.com>
This commit is contained in:
Haomai Wang 2017-01-24 12:01:27 +08:00 committed by GitHub
commit 8558a0fe52
1 changed files with 2 additions and 6 deletions
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8
src/os/bluestore/NVMEDevice.cc
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@ -935,11 +935,7 @@ int NVMEDevice::read(uint64_t off, uint64_t len, bufferlist *pbl,
pbl->push_back(std::move(p));
r = t->return_code;
delete t;
if (ioc->num_waiting.load()) {
dout(20) << __func__ << " waking waiter" << dendl;
std::unique_lock<std::mutex> l(ioc->lock);
ioc->cond.notify_all();
}
ioc->aio_wake();
return r;
}
@ -970,7 +966,7 @@ int NVMEDevice::read_random(uint64_t off, uint64_t len, char *buf, bool buffered
}
r = t->return_code;
delete t;
ioc.aio_wake();
return r;
}