diff options
| author | Liu Bo <[email protected]> | 2016-11-30 16:11:04 -0800 |
|---|---|---|
| committer | David Sterba <[email protected]> | 2017-01-03 15:19:17 +0100 |
| commit | e321f8a801d7b4c40da8005257b05b9c2b51b072 (patch) | |
| tree | 11df9f784d72ca301b9bfca794fe70c9a0c43628 /tools/perf/scripts/python/bin/export-to-postgresql-report | |
| parent | d0280996437081dd12ed1e982ac8aeaa62835ec4 (diff) | |
Btrfs: use down_read_nested to make lockdep silent
If @block_group is not @used_bg, it'll try to get @used_bg's lock without
droping @block_group 's lock and lockdep has throwed a scary deadlock warning
about it.
Fix it by using down_read_nested.
Signed-off-by: Liu Bo <[email protected]>
Reviewed-by: David Sterba <[email protected]>
Signed-off-by: David Sterba <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-report')
0 files changed, 0 insertions, 0 deletions