From e342e38df925973b86cd46d40bbe7f083414e2ad Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 8 Jun 2017 15:30:45 +0200 Subject: quota: Push dqio_sem down to ->read_dqblk() Push down acquisition of dqio_sem into ->read_dqblk() callback. It will allow quota formats to decide whether they need it or not. Reviewed-by: Andreas Dilger Signed-off-by: Jan Kara --- fs/quota/quota_v2.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'fs/quota/quota_v2.c') diff --git a/fs/quota/quota_v2.c b/fs/quota/quota_v2.c index ca71bf881ad1..b2cd34f6b3da 100644 --- a/fs/quota/quota_v2.c +++ b/fs/quota/quota_v2.c @@ -285,7 +285,15 @@ static int v2r1_is_id(void *dp, struct dquot *dquot) static int v2_read_dquot(struct dquot *dquot) { - return qtree_read_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_id.type)->dqi_priv, dquot); + struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); + int ret; + + down_read(&dqopt->dqio_sem); + ret = qtree_read_dquot( + sb_dqinfo(dquot->dq_sb, dquot->dq_id.type)->dqi_priv, + dquot); + up_read(&dqopt->dqio_sem); + return ret; } static int v2_write_dquot(struct dquot *dquot) -- cgit v1.2.3-59-g8ed1b