diff options
| author | Bobi Jam <[email protected]> | 2016-11-02 21:25:02 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2016-11-07 11:36:46 +0100 |
| commit | 4a21aef42fc71e192dc10496e7ce004a3cd986d8 (patch) | |
| tree | c6a308879c79fcaa9524e4cf9558691748f608c0 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 9cc58f1eba46cbaafbc5eb0b519ba26ac1d0d26a (diff) | |
staging/lustre/llite: update ras window correctly
When stride-RA hit case miss, we only reset normal sequential
read-ahead window, but not reset the stride IO to avoid the overhead
of re-detecting stride IO. While when the normal RA window is set
to not insect with the stride-RA window, when we try to increase
the stride-RA window length later, the presumption does not hold.
This patch resets the stride IO as well in this case.
Signed-off-by: Bobi Jam <[email protected]>
Reviewed-on: http://review.whamcloud.com/23032
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8683
Reviewed-by: wangdi <[email protected]>
Reviewed-by: Jinshan Xiong <[email protected]>
Signed-off-by: Oleg Drokin <[email protected]>
Reviewed-by: James Simmons <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions