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| author |   Joe Thornber <ejt@redhat.com> | 2013-08-09 14:19:32 +0100 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@redhat.com> | 2013-11-09 18:20:24 -0500 |
| commit | 40c57f475f416ab241124e1e6a593b2f982eaae3 (patch) | |
| tree | 1d15b08035b871d9fd2fab9df882fdef68330ab1 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | MAINTAINERS: add reference to device-mapper's linux-dm.git tree (diff) | |
| download | linux-dev-40c57f475f416ab241124e1e6a593b2f982eaae3.tar.xz linux-dev-40c57f475f416ab241124e1e6a593b2f982eaae3.zip | |
dm space map disk: optimise sm_disk_dec_block
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>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions