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| author | Joe Thornber <ejt@redhat.com> | 2013-10-24 14:10:28 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2013-11-09 18:20:25 -0500 |
| commit | c86c30706caa02ffe303e6b87d53ef6a077d4cca (patch) | |
| tree | adafaec4532de7ebbecf8b413ba380a7d2aa9bc7 /drivers/md/dm-cache-target.c | |
| parent | 01911c19bea63b1a958b9d9024504c2e9079f155 (diff) | |
| download | linux-c86c30706caa02ffe303e6b87d53ef6a077d4cca.tar.gz linux-c86c30706caa02ffe303e6b87d53ef6a077d4cca.tar.bz2 linux-c86c30706caa02ffe303e6b87d53ef6a077d4cca.zip | |
dm cache: be much more aggressive about promoting writes to discarded blocks
Previously these promotions only got priority if there were unused cache
blocks. Now we give them priority if there are any clean blocks in the
cache.
The fio_soak_test in the device-mapper-test-suite now gives uniform
performance across subvolumes (~16 seconds).
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-cache-target.c')
0 files changed, 0 insertions, 0 deletions