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dm space map disk: optimise sm_disk_dec_block
author
Joe Thornber
<ejt@redhat.com>
Fri, 9 Aug 2013 13:19:32 +0000
(14:19 +0100)
committer
Mike Snitzer
<snitzer@redhat.com>
Sat, 9 Nov 2013 23:20:24 +0000
(18:20 -0500)
Don't waste time spotting blocks that have been allocated and then freed
in the same transaction.
The extra lookup is expensive, and I don't think it really gives us much.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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git.openpandora.org / pandora-kernel.git / commitdiff