diff options
| author | NeilBrown <[email protected]> | 2016-06-02 16:19:52 +1000 |
|---|---|---|
| committer | Shaohua Li <[email protected]> | 2016-06-13 11:54:14 -0700 |
| commit | d44b0a928fa9925fb453d7acc42a48c79de2c6f7 (patch) | |
| tree | 24351c0d633aeec643c7f39ef6642096d4255dc3 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 83f1261f5e5516d7cf58a04b97e4e63e747a9157 (diff) | |
md/raid10: add rcu protection in raid10_status.
mirrors[].rdev can become NULL at any point unless:
- a counted reference is held
- ->reconfig_mutex is held, or
- rcu_read_lock() is held
raid10_status holds none of these. So add rcu_read_lock()
protection.
Signed-off-by: NeilBrown <[email protected]>
Signed-off-by: Shaohua Li <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions