Re: [PATCH v4 18/19] btrfs: only dirty the inode in btrfs_update_time if something was changed

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On Wed, Jan 03, 2018 at 11:43:51AM -0500, Jeff Layton wrote:
> I posted this set just before xmas, and am hoping to send Linus a PR for
> it when the next merge window opens. Both the ext4 and xfs folks have
> acked their respective parts.
> 
> I'll note that this set helps small I/O workloads on xfs and ext4
> significantly, but somewhat less so on btrfs. I'd also appreciate any
> insight as to why it doesn't help on btrfs as much, and whether we can
> alter this approach to help things there.

I don't have an idea why this does not help that much but I'm going to
ack the patchse so you can push the patchset forward.
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