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author | Philipp Reisner <philipp.reisner@linbit.com> | 2013-02-28 10:30:19 +0100 |
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committer | Jens Axboe <axboe@fb.com> | 2015-11-25 09:22:03 -0700 |
commit | 7dbb4386b90a13a7b0cab12aae184e5e04c536c3 (patch) | |
tree | 6a2d4915247505c314e8b3cceb2e1eeb45980cba /tools/perf/scripts/python/syscall-counts.py | |
parent | f85d9f2d02cdcd1b79e00fccd667b37b251ba3ac (diff) |
drbd: make suspend_io() / resume_io() must be thread and recursion safe
Avoid to prematurely resume application IO: don't set/clear a single
bit, but inc/dec an atomic counter.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions