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dlm: fix race between remove and lookup
It was possible for a remove message on an old rsb to be sent after a lookup message on a new rsb, where the rsbs were for the same resource name. This could lead to a missing directory entry for the new rsb. It is fixed by keeping a copy of the resource name being removed until after the remove has been sent. A lookup checks if this in-progress remove matches the name it is looking up. Signed-off-by: David Teigland <teigland@redhat.com>
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David Teigland
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Jul 16, 2012
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