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| author | Mikulas Patocka <mpatocka@redhat.com> | 2021-06-15 14:17:35 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2021-06-15 15:42:03 -0400 |
| commit | 293128b1ef5ae2cfa7403d54e183fe689ed5d303 (patch) | |
| tree | dd349a4d33751ae24bf01896197e05a72ec2ea49 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 8c77f1cb84585efba108df5e67ecc5cbbceef0d9 (diff) | |
dm writecache: have ssd writeback wait if the kcopyd workqueue is busy
Make dm-writecache wait if the kcopyd workqueue is busy (as will
happen if waiting for page allocation or inside submit_bio).
This change improves performance of "mkfs.ext2" by approximately 20%
on one testbed.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions