On Tue, 15 May 2007 19:37:36 -0700, Roland Dreier wrote:
>
> There are rather a lot of of FIXME comments, including scary stuff like
>
> > + /*
> > + * FIXME: this cannot be right but it does "fix" a bug of i_count
> > + * dropping too low. Needs more thought.
> > + */
> > + atomic_inc(&old_dentry->d_inode->i_count);
Any thoughts on this would be appreciated.
> and
>
> > +int __logfs_write_inode(struct inode *inode)
> > +{
> > + /*
> > + * FIXME: Those two inodes are 512 bytes in total. Not good to
> > + * have on the stack. Possibly the best solution would be to bite
> > + * the bullet and do another format change before release and
> > + * shrink the inodes.
> > + */
> > + struct logfs_disk_inode old, new;
>
> are you going to change the format? or fix this some other way?
I would love to put my inodes on a diet. It is just a matter of time
and priorities. To me the 512 bytes on the stack are unfortunate, but
not a show stopper. Crash behaviour is, so that has priority.
> I think a sweep through the code searching for FIXME and at least
> rewriting all such comments to look like stuff that can be deferred
> would be warranted ;)
Are you asking me to hide known problems under a rug? ;)
Will see if I can easily fix some of these. In particular the
eat-your-data FIXME that can cause LogFS to not survive a crash.
Jörn
--
Correctness comes second.
Features come third.
Performance comes last.
Maintainability is easily forgotten.
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