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(parent: 8254133) | patch
dm thin: generate event when metadata threshold passed
authorJoe Thornber <ejt@redhat.com>
Fri, 10 May 2013 13:37:21 +0000 (14:37 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 10 May 2013 13:37:21 +0000 (14:37 +0100)
commitf68fc49891f8cf13eadec0b16ab9e4957dc043c5
treee1ab6d4662834bbbf248b1ad6224c9b7c3faa15etree | snapshot
parent8254133869a6e75d1e9a1385001ce81111a3ad68commit | diff
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>
drivers/md/dm-thin-metadata.c diff | blob | history
drivers/md/dm-thin-metadata.h diff | blob | history
drivers/md/dm-thin.c diff | blob | history
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