linux-kernel - Re: [PATCH v4 9/9] btrfs: convert to multigrain timestamps

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Message-ID: <20230522095601.GH32559@twin.jikos.cz>
Date:   Mon, 22 May 2023 11:56:01 +0200
From:   David Sterba <dsterba@...e.cz>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>,
        "Darrick J. Wong" <djwong@...nel.org>,
        Hugh Dickins <hughd@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dave Chinner <david@...morbit.com>,
        Chuck Lever <chuck.lever@...cle.com>, Jan Kara <jack@...e.cz>,
        Amir Goldstein <amir73il@...il.com>,
        David Howells <dhowells@...hat.com>,
        Neil Brown <neilb@...e.de>,
        Matthew Wilcox <willy@...radead.org>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Theodore T'so <tytso@....edu>, Chris Mason <clm@...com>,
        Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Namjae Jeon <linkinjeon@...nel.org>,
        Steve French <sfrench@...ba.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Tom Talpey <tom@...pey.com>, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-mm@...ck.org, linux-nfs@...r.kernel.org,
        linux-cifs@...r.kernel.org
Subject: Re: [PATCH v4 9/9] btrfs: convert to multigrain timestamps

On Thu, May 18, 2023 at 07:47:42AM -0400, Jeff Layton wrote:
> Signed-off-by: Jeff Layton <jlayton@...nel.org>

Acked-by: David Sterba <dsterba@...e.com>

Please add a brief description to the changelog too, there's a similar
text in the patches adding the infrastructure. Something like "Allow to
optimize lot of metadata updates by encoding the status in the cmtime.
The fine grained time is needed for NFS."