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ext4: remove check for zero nr_to_scan in ext4_es_scan()
commite5e7010e54
upstream. After converting fs shrinkers to new scan/count API, we are no longer pass zero nr_to_scan parameter to detect the number of objects to free, just remove this check. Fixes:1ab6c4997e
("fs: convert fs shrinkers to new scan/count API") Cc: stable@vger.kernel.org # 3.12+ Signed-off-by: Zhang Yi <yi.zhang@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20210522103045.690103-2-yi.zhang@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1553,9 +1553,6 @@ static unsigned long ext4_es_scan(struct shrinker *shrink,
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ret = percpu_counter_read_positive(&sbi->s_es_stats.es_stats_shk_cnt);
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trace_ext4_es_shrink_scan_enter(sbi->s_sb, nr_to_scan, ret);
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if (!nr_to_scan)
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return ret;
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nr_shrunk = __es_shrink(sbi, nr_to_scan, NULL);
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ret = percpu_counter_read_positive(&sbi->s_es_stats.es_stats_shk_cnt);
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