| commit | 2e63309507c818e8b631a03f02c363031c007fb7 | [log] [tgz] |
|---|---|---|
| author | Joe Thornber <ejt@redhat.com> | Thu May 11 09:09:04 2017 -0400 |
| committer | Mike Snitzer <snitzer@redhat.com> | Sun May 14 21:54:33 2017 -0400 |
| tree | 3409b151cf068286da7f0bd4d2a9b15b44139737 | |
| parent | 49b7f768900f4084a65c3689d955b2fceac39e53 [diff] |
dm cache policy smq: don't do any writebacks unless IDLE If there are no clean blocks to be demoted the writeback will be triggered at that point. Preemptively writing back can hurt high IO load scenarios. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>