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Date:   Thu, 7 Jan 2021 14:58:37 +0000
From:   Matthew Wilcox <>
To:     Jan Kara <>
Cc:     Eric Biggers <>,,,,, Theodore Ts'o <>,
        Christoph Hellwig <>,
Subject: Re: [PATCH 01/13] fs: avoid double-writing inodes on lazytime

On Thu, Jan 07, 2021 at 03:47:09PM +0100, Jan Kara wrote:
> I think attached patch (compile-tested only) should actually fix the
> problem as well without this special ->dirty_inode() call. It basically
> only moves the mark_inode_dirty_sync() before inode->i_state clearing.
> Because conceptually mark_inode_dirty_sync() is IMO the right function to
> call. It will take care of clearing I_DIRTY_TIME flag (because we are
> setting I_DIRTY_SYNC), it will also not touch inode->i_io_list if the inode
> is queued for sync (I_SYNC_QUEUED is set in that case). The only problem
> with calling it was that it was called *after* clearing dirty bits from
> i_state... What do you think?

I like this patch far more, fwiw.

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