Re: [PATCH 2/2] writeback, xfs: call dirty_inode() with I_DIRTY_TIME_EXPIRED when appropriate

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To: "Theodore Y. Ts'o" <tytso@xxxxxxx>
Subject: Re: [PATCH 2/2] writeback, xfs: call dirty_inode() with I_DIRTY_TIME_EXPIRED when appropriate
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 24 Mar 2020 01:37:59 -0700
Cc: Dave Chinner <david@xxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Ext4 Developers List <linux-ext4@xxxxxxxxxxxxxxx>, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx
In-reply-to: <20200323175838.GA7133@mit.edu>
References: <20200320024639.GH1067245@mit.edu> <20200320025255.1705972-1-tytso@mit.edu> <20200320025255.1705972-2-tytso@mit.edu> <20200323175838.GA7133@mit.edu>

On Mon, Mar 23, 2020 at 01:58:38PM -0400, Theodore Y. Ts'o wrote:
> Christoph, Dave --- does this give you the notification that you were
> looking such that XFS could get the notification desired that it was
> the timestamps need to be written back?

I need to look at it in more detail as it seems convoluted.  Also the
order seems like you regress XFS in patch 1 and then fix it in patch 2?

Follow-Ups:
- Re: [PATCH 2/2] writeback, xfs: call dirty_inode() with I_DIRTY_TIME_EXPIRED when appropriate
  - From: Theodore Y. Ts'o

References:
- Re: [PATCH] writeback: avoid double-writing the inode on a lazytime expiration
  - From: Theodore Y. Ts'o
- [PATCH 1/2] writeback: avoid double-writing the inode on a lazytime expiration
  - From: Theodore Ts'o
- [PATCH 2/2] writeback, xfs: call dirty_inode() with I_DIRTY_TIME_EXPIRED when appropriate
  - From: Theodore Ts'o
- Re: [PATCH 2/2] writeback, xfs: call dirty_inode() with I_DIRTY_TIME_EXPIRED when appropriate
  - From: Theodore Y. Ts'o

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