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From: Brian Foster <bfoster@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH v2] xfs: use per-AG reservations for the finobt
Date: Tue, 24 Jan 2017 11:19:18 -0500	[thread overview]
Message-ID: <20170124161917.GF60234@bfoster.bfoster> (raw)
In-Reply-To: <20170124144937.GA27261@lst.de>

On Tue, Jan 24, 2017 at 03:49:37PM +0100, Christoph Hellwig wrote:
> On Tue, Jan 24, 2017 at 09:06:49AM -0500, Brian Foster wrote:
> > Darrick called out in the previous version that this requires traversal
> > of the entire tree at mount time. Do you have any test results on what
> > kind of worst case mount delays we could be looking at here?
> 
> Even with pretty horribly fragmented file systems I've not seen
> major delays.  But I don't have a setup with a lot of actual disks
> but mostly SSDs these days, so this might not statistically significant.

Heh, I might have some systems with slow storage around. ;P It may take
a little time to populate a large enough fs with inodes though..

Brian

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  reply	other threads:[~2017-01-24 16:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-23 18:05 [PATCH v2] xfs: use per-AG reservations for the finobt Christoph Hellwig
2017-01-23 19:28 ` Darrick J. Wong
2017-01-24 14:02   ` Christoph Hellwig
2017-01-24 16:48     ` Darrick J. Wong
2017-01-24 19:50       ` Christoph Hellwig
2017-01-24 20:05         ` Darrick J. Wong
2017-01-24 14:06 ` Brian Foster
2017-01-24 14:49   ` Christoph Hellwig
2017-01-24 16:19     ` Brian Foster [this message]
2017-01-24 18:27       ` Darrick J. Wong

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