On Mon, Jul 01, 2024 at 05:55:49PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > Create a new xfs_Io command to make raw calls to the s/xfs_Io/xfs_io/ ? > +extern void exchangerange_init(void); No need for the extern. Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>