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src/bluestore/NVMEDevice: make all read use aio_submit #17655

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merged 2 commits into from Sep 15, 2017

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commented Sep 11, 2017

src/bluestore/NVMEDevice: make all read use aio_submit

Signed-off-by: Ziye Yang optimistyzy@gmail.com
Signed-off-by: Pan Liu wanjun.lp@alibaba-inc.com

os/bluestore/NVMEDevice: fix the large write I/O issue.
When there is large I/O, we need to split it into multiple
tasks. With this patch, we can avoid no buffer allocation
issue for the single write task.

Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Signed-off-by: Pan Liu <wanjun.lp@alibaba-inc.com>
src/bluestore/NVMEDevice: make all read use aio_submit
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Signed-off-by: Pan Liu <wanjun.lp@alibaba-inc.com>

@optimistyzy optimistyzy force-pushed the optimistyzy:911_2 branch from 1d87f58 to 15116aa Sep 11, 2017

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commented Sep 12, 2017

@tchaikov tchaikov merged commit 7f37f80 into ceph:master Sep 15, 2017

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