linux-ext4 - Re: [PATCH 1/4] fs: split update_time() into update_time() and write

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Message-ID: <1416600528.24312.10@mail.thefacebook.com>
Date:	Fri, 21 Nov 2014 15:08:48 -0500
From:	Chris Mason <clm@...com>
To:	"Theodore Ts'o" <tytso@....edu>
CC:	<linux-fsdevel@...r.kernel.org>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	<xfs@....sgi.com>, <linux-btrfs@...r.kernel.org>,
	"Theodore Ts'o" <tytso@....edu>
Subject: Re: [PATCH 1/4] fs: split update_time() into update_time() and
 write_time()

On Fri, Nov 21, 2014 at 2:59 PM, Theodore Ts'o <tytso@....edu> wrote:
> In preparation for adding support for the lazytime mount option, we
> need to be able to separate out the update_time() and write_time()
> inode operations.  Currently, only btrfs and xfs uses update_time().
> 
> We needed to preserve update_time() because btrfs wants to have a
> special btrfs_root_readonly() check; otherwise we could drop the
> update_time() inode operation entirely.

No objections here, I'll give the queue a whirl.  You can add my 
acked-by-or-Ill-fix-whatever-breaks

I look forward to the patch that makes us all lazy by default.

-chris



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