Joe Thornber ac8c3f3df6 dm thin: generate event when metadata threshold passed ...

Generate a dm event when the amount of remaining thin pool metadata
space falls below a certain level.

The threshold is taken to be a quarter of the size of the metadata
device with a minimum threshold of 4MB.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

2013-05-10 14:37:21 +01:00

73 KiB

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