Jaegeuk Kim
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7cb219e784
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f2fs: avoid race condition for shrinker count
[ Upstream commit a95ba66ac1457b76fe472c8e092ab1006271f16c ]
Light reported sometimes shinker gets nat_cnt < dirty_nat_cnt resulting in
wrong do_shinker work. Let's avoid to return insane overflowed value by adding
single tracking value.
Reported-by: Light Hsieh <Light.Hsieh@mediatek.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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2021-03-16 16:43:55 +08:00 |