[PATCH 4/5] xfs: simplify the fallocate path

[Christoph Hellwig]

On Mon, Oct 14, 2013 at 04:04:24PM +1100, Dave Chinner wrote:
> Seems a bit clunky to do all this work when we've got to repeat most
> of it when when we call xfs_setattr_size() if the size has changed.
> Any thoughts on how we might reduce to a single transaction?

I tried that, but the helper becomes a complete mess of flag values for the
possible inode modifications.  You also pointed this out the last time
around.  If anyone can come up with a saner helper than I tired feel
free to send a patch on top.