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Subtask #4092
closedFeature #4089: rbd: improve small I/O performance
rbd: re-read header when watch is re-established
Status:
Resolved
Priority:
Normal
Assignee:
Jason Dillaman
Target version:
-
% Done:
0%
Source:
Tags:
Backport:
Reviewed:
Affected Versions:
Pull request ID:
Description
This avoids races that would result in a snapshot not being created correctly, like:
A B | | I/O in progress snap network fault notify | notify timeout network restored snap finished | more I/O unaware of snap
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