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| author | Joe Thornber <ejt@redhat.com> | 2021-04-13 15:09:32 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2021-06-04 19:07:23 +0300 |
| commit | 6b06dd5a972288d011a49d63eb9f6a5003d2e932 (patch) | |
| tree | 0d4e5f7db3b0b68f9995ef689ee1172f66661179 /drivers/md/dm-kcopyd.c | |
| parent | be500ed721a6ec8d49bf0814c277ce7162acee0e (diff) | |
| download | linux-6b06dd5a972288d011a49d63eb9f6a5003d2e932.tar.xz | |
dm space map disk: cache a small number of index entries
The disk space map stores it's index entries in a btree, these are
accessed very frequently, so having a few cached makes a big difference
to performance.
With this change provisioning a new block takes roughly 20% less cpu.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-kcopyd.c')
0 files changed, 0 insertions, 0 deletions