On Sun, Apr 29, 2012 at 05:53:00PM -0400, Christoph Hellwig wrote:
> On Mon, Apr 23, 2012 at 03:59:01PM +1000, Dave Chinner wrote:
> > From: Dave Chinner <dchinner@xxxxxxxxxx>
> >
> > This is the only remaining useful function in xfs_rw.h, so move it
>
> Well, xfs_get_extsz_hint also still is useful, and you only move it in
> the next patch.
Ok, the only remaining useful -inline- function. :)
> > +/*
> > + * Convert the given file system block to a disk block. We have to treat it
> > + * differently based on whether the file is a real time file or not, because the
> > + * bmap code does.
> > + */
>
> Might be worth alaborating why exactly. When I last looked over it I
> couldn't make much sense of it.
realtime device is a flat filesysetm block address space - it has to
be for a bitmap allocator to work - but the data device is a sparse
address space. I'll add that to the comment.
>
> > +xfs_daddr_t
> > +xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb)
> > +{
> > + return (XFS_IS_REALTIME_INODE(ip) ? \
> > + (xfs_daddr_t)XFS_FSB_TO_BB((ip)->i_mount, (fsb)) : \
> > + XFS_FSB_TO_DADDR((ip)->i_mount, (fsb)));
> > +}
>
> Might be worth to "demacrofy" it while you're at it, e.g. rewrite it as:
*nod*. Will do.
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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