Re: ext2fs enhacement/fix [re: shrinking directories]

Jan Kara (jack@atrey.karlin.mff.cuni.cz)
Mon, 20 Jul 1998 12:13:41 +0200


>
> Rough outline of steps I think would work:
> 1. Read directory information
> 2. Pack and possibly sort it, meanwhile other programs can still access
> the directory information
> 3. Check change time stamp and if not changed replace the directory
> information with the new one
> If changed try again.
>
The problem of this solution is (when done on mounted fs) that noone can be
reading the directory when we are replacing the old copy (dir->f_pos will be bad :() and
I'm not sure how often this is satisfied on a busy servers with big dirs...

Bye Honza

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html