From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 1/8] xfs: use per-filesystem I/O completion workqueues
Date: Tue, 21 Feb 2012 15:58:11 +1100 [thread overview]
Message-ID: <20120221045811.GJ3592@dastard> (raw)
In-Reply-To: <20120221003906.124899527@bombadil.infradead.org>
On Mon, Feb 20, 2012 at 07:38:25PM -0500, Christoph Hellwig wrote:
> The new concurrency managed workqueues are cheap enough that we can create
> per-filesystem instead of global workqueues. This allows us to remove the
> trylock or defer scheme on the ilock, which is not helpful once we have
> outstanding log reservations until finishing a size update.
>
> Also allow the default concurrency on this workqueues so that I/O completions
> blocking on the ilock for one inode do not block process for another inode.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Looks good.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2012-02-21 4:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-21 0:38 [PATCH 0/8] log all inode updates V2 Christoph Hellwig
2012-02-21 0:38 ` [PATCH 1/8] xfs: use per-filesystem I/O completion workqueues Christoph Hellwig
2012-02-21 4:58 ` Dave Chinner [this message]
2012-02-28 16:13 ` Mark Tinguely
2012-02-21 0:38 ` [PATCH 2/8] xfs: do not require an ioend for new EOF calculation Christoph Hellwig
2012-02-28 16:14 ` Mark Tinguely
2012-02-21 0:38 ` [PATCH 6/8] xfs: make xfs_inode_item_size idempotent Christoph Hellwig
2012-02-21 5:14 ` Dave Chinner
2012-02-28 11:08 ` Christoph Hellwig
2012-02-21 0:38 ` [PATCH 7/8] xfs: split in-core and on-disk inode log item fields Christoph Hellwig
2012-02-21 5:18 ` Dave Chinner
2012-02-21 0:38 ` [PATCH 8/8] xfs: add back fdatasync support Christoph Hellwig
2012-02-21 5:23 ` Dave Chinner
2012-03-08 20:04 ` Ben Myers
-- strict thread matches above, loose matches on Subject: below --
2012-02-29 9:53 [PATCH 0/8] log all inode updates V3 Christoph Hellwig
2012-02-29 9:53 ` [PATCH 1/8] xfs: use per-filesystem I/O completion workqueues Christoph Hellwig
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