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Date: Thu, 8 Dec 2016 06:44:02 +1100
From: Dave Chinner <david@fromorbit.com>
Subject: Re: XFS: possible memory allocation deadlock in kmem_alloc on
 glusterfs setup
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To: Cyril PEPONNET <cyril.peponnet@nuagenetworks.net>
Cc: "linux-xfs@vger.kernel.org" <linux-xfs@vger.kernel.org>

On Wed, Dec 07, 2016 at 07:16:55AM -0800, Cyril PEPONNET wrote:
> Our snapshots are deleted / recreated quite often. If I apply the extent
> size hint to the root folder of an existing tree, does it will still apply
> for new created files ?

Only for new files/directories created in the root directory. THe
hint is not retro-actively applied. You'd need to walk the tree
setting the hint on all directories to get it to apply to all new
files created.

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com