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| author | Joe Thornber <ejt@redhat.com> | 2017-05-11 16:09:04 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2017-05-15 04:54:33 +0300 |
| commit | 2e63309507c818e8b631a03f02c363031c007fb7 (patch) | |
| tree | 3409b151cf068286da7f0bd4d2a9b15b44139737 /Documentation/percpu-rw-semaphore.txt | |
| parent | 49b7f768900f4084a65c3689d955b2fceac39e53 (diff) | |
| download | linux-2e63309507c818e8b631a03f02c363031c007fb7.tar.xz | |
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>
Diffstat (limited to 'Documentation/percpu-rw-semaphore.txt')
0 files changed, 0 insertions, 0 deletions