quota: Push dqio_sem down to ->read_file_info()
Push down acquisition of dqio_sem into ->read_file_info() callback. This
is for consistency with other operations and it also allows us to get
rid of an ugliness in OCFS2.
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 1e1ff97..5e77c4d 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2313,15 +2313,11 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
dqopt->info[type].dqi_format = fmt;
dqopt->info[type].dqi_fmt_id = format_id;
INIT_LIST_HEAD(&dqopt->info[type].dqi_dirty_list);
- down_read(&dqopt->dqio_sem);
error = dqopt->ops[type]->read_file_info(sb, type);
- if (error < 0) {
- up_read(&dqopt->dqio_sem);
+ if (error < 0)
goto out_file_init;
- }
if (dqopt->flags & DQUOT_QUOTA_SYS_FILE)
dqopt->info[type].dqi_flags |= DQF_SYS_FILE;
- up_read(&dqopt->dqio_sem);
spin_lock(&dq_state_lock);
dqopt->flags |= dquot_state_flag(flags, type);
spin_unlock(&dq_state_lock);