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nautilus: os/bluestore: fix >2GB bluefs writes #28966

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merged 2 commits into from Jul 30, 2019

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commented Jul 10, 2019

kungf and others added 2 commits Apr 16, 2019
os/bluestore: fix aio pwritev lost data problem.
On Linux, write() (and similar system calls) will transfer at most
0x7ffff000 (2,147,479,552) bytes, it will cap data if aio pwritev
more than 0x7ffff000, so we have the split the data to more aio submit.

Signed-off-by: kungf <yang.wang@easystack.cn>
(cherry picked from commit 4d33114)
ceph_test_objectstore: add very_large_write test
Write 2GB to verify the blockdevice aio splitting.

Signed-off-by: Sage Weil <sage@redhat.com>
(cherry picked from commit 1974f01)

@liewegas liewegas requested review from ifed01 and neha-ojha Jul 10, 2019

@liewegas liewegas added this to the nautilus milestone Jul 10, 2019

@liewegas liewegas added the bluestore label Jul 10, 2019

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commented Jul 10, 2019

@neha-ojha neha-ojha added the needs-qa label Jul 10, 2019

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commented Jul 10, 2019

jenkins test docs

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ifed01 approved these changes Jul 10, 2019
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commented Jul 24, 2019

@yuriw yuriw merged commit 840477f into ceph:nautilus Jul 30, 2019

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