diff options
| author | Shin'ichiro Kawasaki <[email protected]> | 2020-06-19 16:49:56 +0900 |
|---|---|---|
| committer | Mike Snitzer <[email protected]> | 2020-06-19 12:29:39 -0400 |
| commit | f2cd9a5e85dc25e10f6318bc6fbcb7dcff262561 (patch) | |
| tree | 8a4cfca800c0266879e513dce92c8c242c160f70 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 3ee39573e567eded4f73e1e22216034bc29f3813 (diff) | |
dm zoned: Fix reclaim zone selection
When dm zoned has multiple devices, random zones are never selected for
reclaim if all reserved sequential write zones are in use and no
sequential write required zones can be selected for reclaim. This can
lead to deadlocks as selecting a cache zone allows reclaiming a
sequential zone, ensuring forward progress.
Fix this by always defaulting to selecting a random zone when no
sequential write required zone can be selected.
[Damien: fix commit message]
Signed-off-by: Shin'ichiro Kawasaki <[email protected]>
Signed-off-by: Damien Le Moal <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Mike Snitzer <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions