f2fs: avoid to drop nat entries due to the negative nr_shrink
The try_to_free_nats should not receive the negative nr_shrink. Otherwise, it can drop all the nat entries by the while loop. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>wifi-calibration
parent
3cb5ad152b
commit
40bb0058c8
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@ -208,7 +208,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
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{
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{
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struct f2fs_nm_info *nm_i = NM_I(sbi);
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struct f2fs_nm_info *nm_i = NM_I(sbi);
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if (nm_i->nat_cnt <= NM_WOUT_THRESHOLD)
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if (nm_i->nat_cnt <= NM_WOUT_THRESHOLD || nr_shrink <= 0)
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return 0;
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return 0;
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write_lock(&nm_i->nat_tree_lock);
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write_lock(&nm_i->nat_tree_lock);
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