> 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..
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