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From: Mark Tinguely <tinguely@sgi.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, 28 Feb 2012 10:13:17 -0600	[thread overview]
Message-ID: <4F4CFD1D.1010408@sgi.com> (raw)
In-Reply-To: <20120221003906.124899527@bombadil.infradead.org>

On 02/20/12 18:38, 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: Mark Tinguely <tinguely@sgi.com>

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  parent reply	other threads:[~2012-02-28 16:13 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
2012-02-28 16:13   ` Mark Tinguely [this message]
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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