diff options
| author | Peter Zijlstra <[email protected]> | 2013-05-16 20:03:12 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <[email protected]> | 2013-05-28 15:03:02 +0900 |
| commit | bfe35965ecdc6038314d03456b94d9ba451c289d (patch) | |
| tree | 94ca44f7f48113ed0d3701851c12c334a2bba38c /tools/perf/scripts/python/syscall-counts.py | |
| parent | f356fe0cba0e3523e538987916bd2acedd4e6f41 (diff) | |
f2fs, lockdep: annotate mutex_lock_all()
Majianpeng reported a lockdep splat for f2fs. It turns out mutex_lock_all()
acquires an array of locks (in global/local lock style).
Any such operation is always serialized using cp_mutex, therefore there is no
fs_lock[] lock-order issue; tell lockdep about this using the
mutex_lock_nest_lock() primitive.
Reported-by: majianpeng <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions