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From: Dave Chinner <david@fromorbit.com>
To: Brian Foster <bfoster@redhat.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH v2 3/3] xfs: squash prealloc while over quota free space as well
Date: Tue, 27 May 2014 09:00:59 +1000	[thread overview]
Message-ID: <20140526230059.GS18954@dastard> (raw)
In-Reply-To: <1400845950-41435-4-git-send-email-bfoster@redhat.com>

On Fri, May 23, 2014 at 07:52:30AM -0400, Brian Foster wrote:
> Commit 4d559a3b introduced heavy prealloc. squashing to catch the case
> of requesting too large a prealloc on smaller filesystems, leading to
> repeated flush and retry cycles that occur on ENOSPC. Now that we issue
> eofblocks scans on EDQUOT/ENOSPC, squash the prealloc against the
> minimum available free space across all applicable quotas as well to
> avoid a similar problem of repeated eofblocks scans.
> 
> Signed-off-by: Brian Foster <bfoster@redhat.com>

Good idea - thrashing is something worth avoiding....

Reviewed-by: Dave Chinner <dchinner@redhat.com>

-- 
Dave Chinner
david@fromorbit.com

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      reply	other threads:[~2014-05-26 23:01 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-23 11:52 [PATCH v2 0/3] xfs: run eofblocks scan on ENOSPC Brian Foster
2014-05-23 11:52 ` [PATCH v2 1/3] xfs: add scan owner field to xfs_eofblocks Brian Foster
2014-05-26 22:49   ` Dave Chinner
2014-05-27 10:44   ` Christoph Hellwig
2014-05-27 12:18     ` Brian Foster
2014-05-27 21:26       ` Dave Chinner
2014-05-28  5:30         ` Christoph Hellwig
2014-05-28 14:00           ` Brian Foster
2014-05-23 11:52 ` [PATCH v2 2/3] xfs: run an eofblocks scan on ENOSPC/EDQUOT Brian Foster
2014-05-26 22:57   ` Dave Chinner
2014-05-27 12:47     ` Brian Foster
2014-05-27 21:14       ` Dave Chinner
2014-05-28 12:42         ` Brian Foster
2014-05-23 11:52 ` [PATCH v2 3/3] xfs: squash prealloc while over quota free space as well Brian Foster
2014-05-26 23:00   ` Dave Chinner [this message]

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