{
int type = dquot->dq_id.type;
struct v1_disk_dqblk dqblk;
+ struct quota_info *dqopt = sb_dqopt(dquot->dq_sb);
- if (!sb_dqopt(dquot->dq_sb)->files[type])
+ if (!dqopt->files[type])
return -EINVAL;
/* Set structure to 0s in case read fails/is after end of file */
struct v1_disk_dqblk dqblk;
int ret;
+ down_read(&dqopt->dqio_sem);
ret = sb->s_op->quota_read(sb, type, (char *)&dqblk,
sizeof(struct v1_disk_dqblk), v1_dqoff(0));
if (ret != sizeof(struct v1_disk_dqblk)) {
dqopt->info[type].dqi_bgrace =
dqblk.dqb_btime ? dqblk.dqb_btime : MAX_DQ_TIME;
out:
+ up_read(&dqopt->dqio_sem);
return ret;
}
struct v1_disk_dqblk dqblk;
int ret;
+ down_write(&dqopt->dqio_sem);
dqopt->info[type].dqi_flags &= ~DQF_INFO_DIRTY;
ret = sb->s_op->quota_read(sb, type, (char *)&dqblk,
sizeof(struct v1_disk_dqblk), v1_dqoff(0));
else if (ret > 0)
ret = -EIO;
out:
+ up_write(&dqopt->dqio_sem);
return ret;
}