linux-kernel - Re: [PATCH v2 00/12] btrfs: add zstd compression level support

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Date:   Fri, 8 Feb 2019 14:22:08 +0100
From:   David Sterba <dsterba@...e.cz>
To:     Dennis Zhou <dennis@...nel.org>
Cc:     David Sterba <dsterba@...e.com>,
        Josef Bacik <josef@...icpanda.com>, Chris Mason <clm@...com>,
        Omar Sandoval <osandov@...ndov.com>,
        Nick Terrell <terrelln@...com>,
        Nikolay Borisov <nborisov@...e.com>, kernel-team@...com,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/12] btrfs: add zstd compression level support

On Thu, Feb 07, 2019 at 12:36:54PM -0500, Dennis Zhou wrote:
> On Thu, Feb 07, 2019 at 05:59:26PM +0100, David Sterba wrote:
> > On Mon, Feb 04, 2019 at 03:19:56PM -0500, Dennis Zhou wrote:
> > > Dennis Zhou (12):
> > >   btrfs: add helpers for compression type and level
> > >   btrfs: rename workspaces_list to workspace_manager
> > >   btrfs: manage heuristic workspace as index 0
> > >   btrfs: unify compression ops with workspace_manager
> > >   btrfs: add helper methods for workspace manager init and cleanup
> > >   btrfs: add compression interface in (get/put)_workspace()
> > >   btrfs: move to fn pointers for get/put workspaces
> > >   btrfs: plumb level through the compression interface
> > >   btrfs: change set_level() to bound the level passed in
> > >   btrfs: zstd use the passed through level instead of default
> > >   btrfs: make zstd memory requirements monotonic
> > >   btrfs: add zstd compression level support
> > 
> > The patchset has been added to msic-next, scheduled for 5.1. I've left
> > out the changes to warn on wrong level, so currently it falls back to
> > the default. I don't want to make a last minute change of that sort, so
> > this needs to go as a separate patch.
> 
> Regarding the bug report from Dan, do you want me to send you a patch
> for it on top of the topic branch or do you mind fixing the missing:
> 
> unsigned int level = 0;

It's been fixed in the pushed branch.