5.4-stable review patch. If anyone has any objections, please let me know.
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From: Chengguang Xu cgxu519@zoho.com.cn
[ Upstream commit 05848db2083d4f232e84e385845dcd98d5c511b2 ]
It is meaningless to increase DQST_LOOKUPS number while iterating over dirty/inuse list, so just avoid it.
Link: https://lore.kernel.org/r/20190926083408.4269-1-cgxu519@zoho.com.cn Signed-off-by: Chengguang Xu cgxu519@zoho.com.cn Signed-off-by: Jan Kara jack@suse.cz Stable-dep-of: dabc8b207566 ("quota: fix dqput() to follow the guarantees dquot_srcu should provide") Signed-off-by: Sasha Levin sashal@kernel.org --- fs/quota/dquot.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 5361e6bc397d0..5b887fb1aa71a 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -595,7 +595,6 @@ int dquot_scan_active(struct super_block *sb, /* Now we have active dquot so we can just increase use count */ atomic_inc(&dquot->dq_count); spin_unlock(&dq_list_lock); - dqstats_inc(DQST_LOOKUPS); dqput(old_dquot); old_dquot = dquot; /* @@ -650,7 +649,6 @@ int dquot_writeback_dquots(struct super_block *sb, int type) * use count */ dqgrab(dquot); spin_unlock(&dq_list_lock); - dqstats_inc(DQST_LOOKUPS); err = sb->dq_op->write_dquot(dquot); if (err) { /*