linux-ext4 - Re: [PATCH v6 7/7] btrfs: convert to multigrain timestamps

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Message-ID: <20230726124402.GK20457@twin.jikos.cz>
Date:   Wed, 26 Jul 2023 14:44:02 +0200
From:   David Sterba <dsterba@...e.cz>
To:     Jeff Layton <jlayton@...nel.org>
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Subject: Re: [PATCH v6 7/7] btrfs: convert to multigrain timestamps

On Tue, Jul 25, 2023 at 10:58:20AM -0400, Jeff Layton wrote:
> Enable multigrain timestamps, which should ensure that there is an
> apparent change to the timestamp whenever it has been written after
> being actively observed via getattr.
> 
> Beyond enabling the FS_MGTIME flag, this patch eliminates
> update_time_for_write, which goes to great pains to avoid in-memory
> stores. Just have it overwrite the timestamps unconditionally.
> 
> Signed-off-by: Jeff Layton <jlayton@...nel.org>

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