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From: Rob on 22 Feb 2010 11:54
JT <reply_only_to(a)newsgroup.nl> wrote:
> There could, by the way, be a rationale for not 'shrinking' directories
> after deletion of files. Directories have a 'typical use' mostly. And
> when one gets filled up with files and subsequently emptied, it might
> cost more to do the allocate/shrink cycle each time than to just leave
> the space for future use.
>
> Besides that : if they do grow out of control, you could always do a
> mv(dir)-mkdir-mv(files) trick to reclaim space.

That is like the usual "you don't need a defragmenter because we don't think
you need it and you could always dump and restore the filesystem".

People like(d) Reiser because it performs so well and you don't need
to hold its hands to make it do so. I hope I will some time see similar
performance from EXTxFS.

(this does not only mean efficient operation on large directories. it
also includes speed of removing large files, of writing lots of new
data to files, etc)

Reiserfs brought excellent filesystem performance to Linux. I hate to
see it go.
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