On Fri, Sep 27, 2019 at 07:41:02AM +1000, Dave Chinner wrote:
> > +static int iext_maxrecs(struct xfs_mount *mp, int blocklen, int leaf)
> > +{
> > + blocklen -= 2 * sizeof(void *);
> > +
> > + return blocklen / sizeof(struct xfs_bmbt_rec);
> > +}
>
> This isn't correct for the iext nodes. They hold 16 key/ptr pairs,
> not 15.
>
> I suspect you should be lifting the iext btree format definitions
> like this one:
Is the command supposed to deal with the on-disk or in-memory nodes?
The ones your quote are the in-memory btrees, but the file seems
(the way I read it, the documentation seems to be lacking) with the
on-disk btrees.
