[PATCH 1/4] fs: split update_time() into update_time() and write_time()

[Chris Mason]

On Fri, Nov 21, 2014 at 2:59 PM, Theodore Ts'o <tytso at mit.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