Re: xfs_fsr allocation group optimization

[Chris Wedgwood <cw@xxxxxxxx>]

On Mon, Jun 11, 2007 at 11:15:56AM +0200, Johan Andersson wrote:

> This is exactly what the simple but ugly patch I attached achieves
> by looking up the filename of the inode it defrags when doing a full
> file system defrag. And it works well, except that it spends a lot
> of time finding that file name. As I said, a better option would be
> if you could tell XFS in what AG you want extents for a newly
> created file to place it's extents in.

AGs can be large, you really want to say 'allocate near ...'