On Aug 16, 2017, at 9:41 AM, Jan Kara <jack@xxxxxxx> wrote: > > The old quota format has fixed offset in quota file based on ID so > there's no locking needed against concurrent modifications of the file > (locking against concurrent IO on the same dquot is still provided by > dq_lock). > > Signed-off-by: Jan Kara <jack@xxxxxxx> Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx> > --- > fs/quota/quota_v1.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/fs/quota/quota_v1.c b/fs/quota/quota_v1.c > index d534c4043237..12d69cda57cc 100644 > --- a/fs/quota/quota_v1.c > +++ b/fs/quota/quota_v1.c > @@ -61,7 +61,6 @@ static int v1_read_dqblk(struct dquot *dquot) > if (!dqopt->files[type]) > return -EINVAL; > > - down_read(&dqopt->dqio_sem); > /* Set structure to 0s in case read fails/is after end of file */ > memset(&dqblk, 0, sizeof(struct v1_disk_dqblk)); > dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type, (char *)&dqblk, > @@ -75,7 +74,6 @@ static int v1_read_dqblk(struct dquot *dquot) > dquot->dq_dqb.dqb_isoftlimit == 0) > set_bit(DQ_FAKE_B, &dquot->dq_flags); > dqstats_inc(DQST_READS); > - up_read(&dqopt->dqio_sem); > > return 0; > } > -- > 2.12.3 > Cheers, Andreas
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