On Fri, Sep 30, 2016 at 09:34:48PM +0100, Roger Willcocks wrote:
> On Fri, 2016-09-30 at 10:38 -0700, Darrick J. Wong wrote:
> > On Fri, Sep 30, 2016 at 12:34:04AM -0700, Christoph Hellwig wrote:
> > > > +/* Deferred mapping is only for real extents in the data fork. */
> > > > +static bool
> > > > +xfs_bmap_is_update_needed(
> > > > + int whichfork,
> > > > + struct xfs_bmbt_irec *bmap)
> > > > +{
> > > > + ASSERT(whichfork == XFS_DATA_FORK);
> > > > +
> > > > + return bmap->br_startblock != HOLESTARTBLOCK &&
> > > > + bmap->br_startblock != DELAYSTARTBLOCK;
> > > > +}
> > >
> > > Passing in an argument just to assert on it seems weird.
> > > And except for that a better name might be xfs_bmbt_is_real or similar,
> > > and I bet we'd have other users for it as well.
> >
> > xfs_bmap_*map_extent are the only callers, and the only whichfork
> > values are XFS_DATA_FORK. I might as well just tear out all those
> > asserts since they're never going to trigger anyway.
> >
>
> Um, isn't that the point of an assertion ?
There's no point in checking whichfork since all callers pass
XFS_DATA_FORK, making the function argument unnecessary.
--D
>
> --
> Roger
>
>
>
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