>
>Does that mean you have to unmount the file system?
>
Shouldn't be any need to. After all, the file system isn't unmounted
everytime time a directory entry is modified.
>
>> How about a simple utility, added to the ext2 utilities, that compacts
>> directories that can be run periodically as the user wishes. By the way
>> don't these ghost entries hamper performance, albeit possibly by a
>> negligible amount. I would think that these ghost entries get processed
>> along with the other entries whenever the directory is accessed. And if
>> this utility is made other file system optimization options can be thrown
>> in. Perhaps the directory entries can be sorted by their last access
date
>> as the directory is compacted so as to improve file access performance.
>>
>> -----Original Message-----
>> From: Ted Deppner <ted@jasmine.psyber.com>
>> To: Chad C Giffin <typo@t-net.org>; linux-kernel@vger.rutgers.edu
>> <linux-kernel@vger.rutgers.edu>
>> Date: Thursday, July 16, 1998 1:27 PM
>> Subject: Re: ext2fs enhacement/fix [re: shrinking directories]
>>
>>
>> >On Thu, Jul 16, 1998 at 12:33:50AM -0400, Chad C Giffin wrote:
>> >> Although it is really not a problem for most that directory files do
not
>> >> shrink on removal of directory entries, it still is a problem for some
>> and
>> >> should not be ignored IMO.
>> >>
>> >> I'd like to propose a solution that is not too complicated.
>> >
>> >[acceptable solution (if properly implimented) deleted]
>> >
>> >I'd like to pose the question, Is this really necessary?
>> >
>> >On your home machine I can't imagine more than 1mb on the average system
>> being
>> >wasted to this excess.
>> >
>> >On a server, I can't imagine _wanting_ to recover space (under any
scheme)
>> >when most servers have a cyclic nature, and even if space were saved for
a
>> >period of time, there was a time (hours or days ago) when the directory
>> NEEDED
>> >to be that large.
>> >
>> >And on busy servers, where you might have 20-30 mb tied up this way (a
news
>> >machine just after expires), within 12 to 24 hours they'll be full
again.
>> >
>> >In any case, I always have 100's of extra MBs of drive space laying
around.
>> >Even if I could recover 50mb for 12 hours or a week, it I wouldn't care,
>> it's
>> >such a minor thing.
>> >
>> >--
>> >Ted Deppner
>> >ted@psyber.com
>> >http://www.psyber.com
>> >
>> >-
>>
>--
>marty
>leisner@sdsp.mc.xerox.com
>The Feynman problem solving Algorithm
> 1) Write down the problem
> 2) Think real hard
> 3) Write down the answer
> Murray Gell-mann in the NY Times
>
>
>
>
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