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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-11-06 13:22:05 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-12-03 00:59:26 -0800 |
| commit | a95ba66ac1457b76fe472c8e092ab1006271f16c (patch) | |
| tree | 2ec5e949c50264adc344407585fd6cc3ffc7f964 /fs/f2fs/node.h | |
| parent | 5fdb322ff2c2b4ad519f490dcb7ebb96c5439af7 (diff) | |
| download | linux-a95ba66ac1457b76fe472c8e092ab1006271f16c.tar.bz2 | |
f2fs: avoid race condition for shrinker count
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>
Diffstat (limited to 'fs/f2fs/node.h')
| -rw-r--r-- | fs/f2fs/node.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index 69e5859e993c..f84541b57acb 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -126,13 +126,13 @@ static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne, static inline bool excess_dirty_nats(struct f2fs_sb_info *sbi) { - return NM_I(sbi)->dirty_nat_cnt >= NM_I(sbi)->max_nid * + return NM_I(sbi)->nat_cnt[DIRTY_NAT] >= NM_I(sbi)->max_nid * NM_I(sbi)->dirty_nats_ratio / 100; } static inline bool excess_cached_nats(struct f2fs_sb_info *sbi) { - return NM_I(sbi)->nat_cnt >= DEF_NAT_CACHE_THRESHOLD; + return NM_I(sbi)->nat_cnt[TOTAL_NAT] >= DEF_NAT_CACHE_THRESHOLD; } static inline bool excess_dirty_nodes(struct f2fs_sb_info *sbi) |