On Thu, Apr 21, 2022 at 09:58:15AM -0700, Catherine Hoang wrote: > Quotas are not enforced on the id==0 dquot, so the quota code uses it > to store warning limits and timeouts. Having just dropped support for > warning limits, this field no longer has any meaning. Return -EINVAL > for this dquot id if the fieldmask has any of the QC_*_WARNS set. > > Signed-off-by: Catherine Hoang <catherine.hoang@xxxxxxxxxx> > --- > fs/xfs/xfs_qm_syscalls.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c > index e7f3ac60ebd9..bdbd5c83b08e 100644 > --- a/fs/xfs/xfs_qm_syscalls.c > +++ b/fs/xfs/xfs_qm_syscalls.c > @@ -290,6 +290,8 @@ xfs_qm_scall_setqlim( > return -EINVAL; > if ((newlim->d_fieldmask & XFS_QC_MASK) == 0) > return 0; > + if ((newlim->d_fieldmask & QC_WARNS_MASK) && id == 0) > + return -EINVAL; Assuming there'll be more patches coming to turn off the rest of the warnings counters, this is a reasonable start: Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx> --D > > /* > * Get the dquot (locked) before we start, as we need to do a > -- > 2.27.0 >