os/bluestore: optional debug mode to identify aio stalls #11818

merged 3 commits into from Nov 8, 2016


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liewegas commented Nov 7, 2016

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liewegas added some commits Nov 7, 2016
@liewegas liewegas os/fs: uninline aio methods
Signed-off-by: Sage Weil <sage@redhat.com>
@liewegas liewegas os/fs: add aio_list_t type
Signed-off-by: Sage Weil <sage@redhat.com>
@liewegas liewegas added the bluestore label Nov 7, 2016
@liewegas liewegas added this to the kraken milestone Nov 7, 2016
@liewegas liewegas os/bluestore/KernelDevice: debug support to detect stalled aios
This is additional bookkeeping to track the oldest aio in flight, so we
make it optional, and disabled by default.  It is useful for identifying
buggy kernel aio or bad devices.

Signed-off-by: Sage Weil <sage@redhat.com>
@liewegas liewegas merged commit 267cd5a into ceph:master Nov 8, 2016

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@liewegas liewegas deleted the liewegas:wip-bluestore-aio-stalls3 branch Nov 8, 2016
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