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[Qemu-devel] [RFC] About 9pfs support "O_DIRECT + aio"?
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From: |
jiangyiwen |
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Subject: |
[Qemu-devel] [RFC] About 9pfs support "O_DIRECT + aio"? |
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Date: |
Fri, 30 Mar 2018 16:53:56 +0800 |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 |
Hi everyone,
Currently, I found virtio-9p in VirtFS don't support "O_DIRECT + aio"
mode, both v9fs and qemu. So when user use "O_DIRECT + aio" mode and
increase iodepths, they can't get higher IOPS.
I want to know why v9fs don't implement this mode? And I will try to
implement this mode from now on.
Thanks,
Yiwen.
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