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Feature #2686

closed

rbd: let users specify a usage for shared locks

Added by Josh Durgin almost 12 years ago. Updated over 11 years ago.

Status:
Resolved
Priority:
High
Assignee:
Target version:
% Done:

0%

Source:
Tags:
CY2012
Backport:
Reviewed:
Affected Versions:
Pull request ID:

Description

If existing lockers have the same usage, the lock succeeds. Otherwise, it fails. This could let you use locks with e.g. live migration by being careful to define a usage that is unique to the vm.

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