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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-07-25 12:11:56 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-09-18 14:42:39 -0700 |
| commit | 163bbf811962f0a99bc82ac1e6f35e73509758ca (patch) | |
| tree | 86c9a86f9a8d4601925047774a42499e8bcbf0ad /tools/perf/scripts/python/futex-contention.py | |
| parent | 1e1ba6365e040b7929828299cf6c950275abd8bc (diff) | |
f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc
The f2fs_gc() called by f2fs_balance_fs() requires to be called outside of
fi->i_gc_rwsem[WRITE], since f2fs_gc() can try to grab it in a loop.
If it hits the miximum retrials in GC, let's give a chance to release
gc_mutex for a short time in order not to go into live lock in the worst
case.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions