Thread (7 messages) 7 messages, 3 authors, 2021-06-17

Re: [PATCH 1/2] ext4: remove check for zero nr_to_scan in ext4_es_scan()

From: Jan Kara <jack@suse.cz>
Date: 2021-05-24 09:52:02

On Sat 22-05-21 18:30:44, Zhang Yi wrote:
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: 1ab6c4997e04 ("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>
Looks good. Thanks for the patch. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza
quoted hunk ↗ jump to hunk
---
 fs/ext4/extents_status.c | 3 ---
 1 file changed, 3 deletions(-)
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 0a729027322d..db3cd70a72e4 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -1574,9 +1574,6 @@ static unsigned long ext4_es_scan(struct shrinker *shrink,
 	ret = percpu_counter_read_positive(&sbi->s_es_stats.es_stats_shk_cnt);
 	trace_ext4_es_shrink_scan_enter(sbi->s_sb, nr_to_scan, ret);
 
-	if (!nr_to_scan)
-		return ret;
-
 	nr_shrunk = __es_shrink(sbi, nr_to_scan, NULL);
 
 	trace_ext4_es_shrink_scan_exit(sbi->s_sb, nr_shrunk, ret);
-- 
2.25.4
-- 
Jan Kara [off-list ref]
SUSE Labs, CR
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