[PATCH] fs: fix iversion handling

[Ben Myers]

Hey Christoph,

On Tue, Nov 19, 2013 at 07:17:07AM -0800, Christoph Hellwig wrote:
> Currently notify_change directly updates i_version for size updates,
> which not only is counter to how all other fields are updated through
> struct iattr, but also breaks XFS, which need inode updates to happen
> under its own lock, and synchronized to the structure that gets written
> to the log.
> 
> Remove the update in the common code, and it to btrfs and ext4,
> XFS already does a proper updaste internally and currently gets a
> double update with the existing code.
> 
> IMHO this is 3.13 and -stable material and should go in through the XFS
> tree.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Does this still need a btrfs ack, or is it ready to go?

-Ben