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From: Christoph Hellwig <hch@infradead.org>
To: Alex Elder <aelder@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>, xfs@oss.sgi.com
Subject: Re: [PATCH 1/6] xfs: optimize AGFL refills
Date: Mon, 28 Mar 2011 08:07:22 -0400	[thread overview]
Message-ID: <20110328120722.GA18346@infradead.org> (raw)
In-Reply-To: <1301086981.2537.687.camel@doink>

> The reason it was not obvious is because the case you're
> treating is specifically when moving extents (blocks,
> really) between the free list and the free btrees, in
> xfs_alloc_fix_freelist().  You still need to force it
> out when allocating and freeing "actually used" blocks,
> which could also be considered "moving blocks from/to
> the AGFL."

I've updated the comment to make that more clear.

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  reply	other threads:[~2011-03-28 12:04 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-22 19:55 [PATCH 0/6] [PATCH 0/6] more efficient busy extent handling and discard support Christoph Hellwig
2011-03-22 19:55 ` [PATCH 1/6] xfs: optimize AGFL refills Christoph Hellwig
2011-03-22 22:30   ` Alex Elder
2011-03-23 12:16     ` Christoph Hellwig
2011-03-25 21:03       ` Alex Elder
2011-03-28 12:07         ` Christoph Hellwig [this message]
2011-03-22 23:30   ` Dave Chinner
2011-03-23 12:16     ` Christoph Hellwig
2011-03-22 19:55 ` [PATCH 2/6] xfs: do not immediately reuse busy extent ranges Christoph Hellwig
2011-03-22 22:30   ` Alex Elder
2011-03-23 12:17     ` Christoph Hellwig
2011-03-25 21:03   ` Alex Elder
2011-03-28 12:07     ` Christoph Hellwig
2011-03-22 19:55 ` [PATCH 3/6] xfs: exact busy extent tracking Christoph Hellwig
2011-03-22 23:47   ` Dave Chinner
2011-03-23 12:24     ` Christoph Hellwig
2011-03-25 21:04   ` Alex Elder
2011-03-28 12:10     ` Christoph Hellwig
2011-03-22 19:55 ` [PATCH 4/6] xfs: allow reusing busy extents where safe Christoph Hellwig
2011-03-23  0:20   ` Dave Chinner
2011-03-23 12:26     ` Christoph Hellwig
2011-03-25 21:04   ` Alex Elder
2011-03-22 19:55 ` [PATCH 5/6] xfs: add online discard support Christoph Hellwig
2011-03-23  0:30   ` Dave Chinner
2011-03-23 12:31     ` Christoph Hellwig
2011-03-25 21:04   ` Alex Elder
2011-03-28 12:35     ` Christoph Hellwig
2011-03-22 19:55 ` [PATCH 6/6] xfs: make discard operations asynchronous Christoph Hellwig
2011-03-23  0:43   ` Dave Chinner
2011-03-28 12:44     ` Christoph Hellwig
2011-03-25 21:04   ` Alex Elder

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