Re: [PATCH 6/6] xfs: delay quota timelimit init until after quotacheck

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On Wed, Apr 04, 2018 at 02:12:40PM -0500, Eric Sandeen wrote:
> Initializing the time limits in the quota info requires reading
> the default quota block.  If it's corrupt, this yields even more
> dmesg spew before kernelspace gets around to properly detecting
> and repairing the corruption.
> 
> If we move the read and initialization until post-quotacheck,
> we can avoid the noisy read if it's corrupted.
> 
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
>  fs/xfs/xfs_qm.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
> index a4da46c..95487cb4 100644
> --- a/fs/xfs/xfs_qm.c
> +++ b/fs/xfs/xfs_qm.c
> @@ -698,9 +698,9 @@ struct xfs_qm_isolate {
>  	qinf->qi_dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB);
>  	qinf->qi_dqperchunk = xfs_calc_dquots_per_chunk(qinf->qi_dqchunklen);
>  
> -	mp->m_qflags |= (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_CHKD);
> +	/* Default quota will be read post-quotacheck to set timelimits */
>  
> -	xfs_qm_set_timelimits(mp, qinf);
> +	mp->m_qflags |= (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_CHKD);
>  
>  	qinf->qi_shrinker.scan_objects = xfs_qm_shrink_scan;
>  	qinf->qi_shrinker.seeks = DEFAULT_SEEKS;
> @@ -1469,6 +1469,10 @@ struct xfs_qm_isolate {
>  			return;
>  		}
>  	}
> +
> +	/* Now that quotacheck is done, set time limits */
> +	xfs_qm_set_timelimits(mp, mp->m_quotainfo);
> +
>  	/*
>  	 * If one type of quotas is off, then it will lose its
>  	 * quotachecked status, since we won't be doing accounting for
> -- 
> 1.8.3.1
> 
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