> On Wed, 3 Jan 2001, Alexander Viro wrote:
>
> > On Wed, 3 Jan 2001, Stephen C. Tweedie wrote:
> >
> > > Having preallocated blocks allocated immediately is deliberate:
> > > directories grow slowly and remain closed most of the time, so the
> > > normal preallocation regime of only preallocating open files and
> > > discarding preallocation on close just doesn't work.
> >
> > Erm. For directories we would not have the call of discard_prealloc()
> > on close(2) - they have NULL ->release() anyway and for them it would
> > happen only on ext2_put_inode(), i.e. upon the final dput(). Which would
> > not happen while some descendent would stay in dcache.
>
> I bet it long predates dcache though..
Not too likely. <checking CVS> It went in in 2.1.93. Apr 2 1998...
Dcache was there ~50 versions before that.
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