[PATCH v2] xfstests: Introduce test case 285 to check statfs(2) will not cause ASSERT(XFS_IS_QUOTA_RUNNING(mp)) failed.

[Ben Myers]

Jeff,

On Fri, Apr 13, 2012 at 05:09:17PM +0800, Jeff Liu wrote:
> Call statfs(2) against a project directory cause ASSERT(XFS_IS_QUOTA_RUNNING(mp)) at xfs_qm_dqget() failed pre-vanilla kernel-3.4
> if the "pquota" or "prjquota" mount option was not enabled on the underlying partition.  This test case can help checking it.

A nice find.

> +echo "Silence is golden."
> +
> +# Modify as appropriate.
> +_supported_fs xfs
> +_supported_os Linux
> +_require_xfs_quota
> +_require_scratch
> +
> +proj_dir="${SCRATCH_MNT}/test_project"
> +test_file="${proj_dir}/test_file"
> +
> +_scratch_mkfs_xfs			>/dev/null 2>&1
> +_qmount
> +
> +mkdir $proj_dir
> +touch $test_file
> +
> +$XFS_QUOTA_PROG -x -c "project -s -p ${proj_dir} 2012" $SCRATCH_DEV \
> +					>/dev/null 2>&1
> +du -sh $proj_dir			>/dev/null 2>&1

I was unable to reproduce this until I changed 'du -sh' to 'df'.  Now it does
crash consistently without your fix for xfs_fs_statfs().

With that change you can consider this
Reviewed-by: Ben Myers <bpm at sgi.com>

-Ben