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| author |   Mikulas Patocka <mpatocka@redhat.com> | 2020-02-24 10:20:34 +0100 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@redhat.com> | 2020-03-24 11:55:09 -0400 |
| commit | dc8a01ae1dbd7bac98368da4d8f81632512429f5 (patch) | |
| tree | b95398da45d5805185902d67c7baa837c0328b7a /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | dm writecache: implement gradual cleanup (diff) | |
| download | wireguard-linux-dc8a01ae1dbd7bac98368da4d8f81632512429f5.tar.xz wireguard-linux-dc8a01ae1dbd7bac98368da4d8f81632512429f5.zip | |
dm writecache: optimize superblock write
If we write a superblock in writecache_flush, we don't need to set bit and
scan the bitmap for it - we can just write the superblock directly. Also,
we can set the flag REQ_FUA on the write bio, so that we don't need to
submit a flush bio afterwards.
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