diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2017-11-23 16:15:43 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-06 12:09:09 +0100 |
| commit | eda053db0782296e4c074e9e3096630581bccdae (patch) | |
| tree | 30a70bb62f3e9940fcdee596f222f1bb32d202df /tools/perf/scripts/python | |
| parent | da259d0284b69e084d65200b69462bed9b86a4c7 (diff) | |
dm snapshot: use mutex instead of rw_semaphore
[ Upstream commit ae1093be5a0ef997833e200a0dafb9ed0b1ff4fe ]
The rw_semaphore is acquired for read only in two places, neither is
performance-critical. So replace it with a mutex -- which is more
efficient.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions