Re: [PATCH] btrfs: raid56: Remove VLA usage

From: David Sterba
Date: Wed May 30 2018 - 12:11:35 EST


On Wed, May 30, 2018 at 05:14:56PM +0200, David Sterba wrote:
> On Tue, May 29, 2018 at 04:44:59PM -0700, Kees Cook wrote:
> > In the quest to remove all stack VLA usage from the kernel[1], this
> > allocates the working buffers during regular init, instead of using stack
> > space. This refactors the allocation code a bit to make it easier
> > to review.
> >
> > [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@xxxxxxxxxxxxxx

For the record, so this was the last use of VLA in fs/btrfs/ .