Re: [RFC] Ext3 online defrag

Jeff Garzik
2006-10-25T17:02:24Z

On Wed, Oct 25, 2006 at 04:54:50PM +0200, Jan Kara wrote:
> Yes, this sounds feasible. We could split the defrag ioctl into two
> pieces (addition of given extent to a file and swapping of extents), which
> can have generic interface...

An ioctl is UGLY.

This was discussed years ago. Google for 'Alexander Viro' and
'ext2meta'. That's a clean, flexible, extensible way to access metadata
online. No need for ioctl binary translation across 32bit<->64bit, or
any other ioctl issue.

Jeff