On Thu, May 07, 2020 at 10:38:33PM -0500, Eric Sandeen wrote:
> Long ago, group & project quota were mutually exclusive, and so
> when we turned on XFS_QMOPT_ENOSPC ("return ENOSPC if project quota
> is exceeded") when project quota was enabled, we only needed to
> disable it again for user quota.
>
> When group & project quota got separated, this got missed, and as a
> result if project quota is enabled and group quota is exceeded, the
> error code returned is incorrectly returned as ENOSPC not EDQUOT.
>
> Fix this by stripping XFS_QMOPT_ENOSPC out of flags for group
> quota when we try to reserve the space.
Looks weird, but given that it has historical precedence, and you fix
all this mess up in the next patch:
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
