linux-kernel - Re: [PATCH 0/4] btrfs: Convert more kmaps to kmap_local

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Message-ID: <20210312194141.GT7604@suse.cz>
Date:   Fri, 12 Mar 2021 20:41:41 +0100
From:   David Sterba <dsterba@...e.cz>
To:     ira.weiny@...el.com
Cc:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 0/4] btrfs: Convert more kmaps to kmap_local_page()

On Tue, Feb 16, 2021 at 06:48:22PM -0800, ira.weiny@...el.com wrote:
> From: Ira Weiny <ira.weiny@...el.com>
> 
> I am submitting these for 5.13.
> 
> Further work to remove more kmap() calls in favor of the kmap_local_page() this
> series converts those calls which required more than a common pattern which
> were covered in my previous series[1].  This is the second of what I hope to be
> 3 series to fully convert btrfs.  However, the 3rd series is going to be an RFC
> because I need to have more eyes on it before I'm sure about what to do.  For
> now this series should be good to go for 5.13.
> 
> Also this series converts the kmaps in the raid5/6 code which required a fix to
> the kmap'ings which was submitted in [2].

Branch added to for-next and will be moved to the devel queue next week.
I've added some comments about the ordering requirement, that's
something not obvious. There's a comment under 1st patch but that's
trivial to fix if needed. Thanks.