From: Jan Kara <jack@suse.cz>
Date: Fri, 9 Jun 2017 06:36:16 +0000 (+0200)
Subject: quota: Push dqio_sem down to ->get_next_id()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f14618c6823ee0f9f92a87aad7d5ad26916ccff1;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

quota: Push dqio_sem down to ->get_next_id()

Push down acquisition of dqio_sem into ->get_next_id() callback. Mostly
for consistency with other operations.

Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jan Kara <jack@suse.cz>
---

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 3b3c7f094ff8..332f7026edad 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2067,16 +2067,12 @@ EXPORT_SYMBOL(dquot_commit_info);
 int dquot_get_next_id(struct super_block *sb, struct kqid *qid)
 {
 	struct quota_info *dqopt = sb_dqopt(sb);
-	int err;
 
 	if (!sb_has_quota_active(sb, qid->type))
 		return -ESRCH;
 	if (!dqopt->ops[qid->type]->get_next_id)
 		return -ENOSYS;
-	down_read(&dqopt->dqio_sem);
-	err = dqopt->ops[qid->type]->get_next_id(sb, qid);
-	up_read(&dqopt->dqio_sem);
-	return err;
+	return dqopt->ops[qid->type]->get_next_id(sb, qid);
 }
 EXPORT_SYMBOL(dquot_get_next_id);
 
diff --git a/fs/quota/quota_v2.c b/fs/quota/quota_v2.c
index 8f54b159e423..f82638e43c07 100644
--- a/fs/quota/quota_v2.c
+++ b/fs/quota/quota_v2.c
@@ -340,7 +340,13 @@ static int v2_free_file_info(struct super_block *sb, int type)
 
 static int v2_get_next_id(struct super_block *sb, struct kqid *qid)
 {
-	return qtree_get_next_id(sb_dqinfo(sb, qid->type)->dqi_priv, qid);
+	struct quota_info *dqopt = sb_dqopt(sb);
+	int ret;
+
+	down_read(&dqopt->dqio_sem);
+	ret = qtree_get_next_id(sb_dqinfo(sb, qid->type)->dqi_priv, qid);
+	up_read(&dqopt->dqio_sem);
+	return ret;
 }
 
 static const struct quota_format_ops v2_format_ops = {