[Btrfs-devel] btrfs timeline - fragmentation and delayed allocation

[Chris Mason]

On Wed, 19 Dec 2007 11:05:21 +0600
sftf <sftf-misc at mail.ru> wrote:

> Hi!
> Is there plans for fragmentation analyzing/reporting and online
> defragmentation tools for btrfs?
> And what about delayed allocation?

Hi,

Btrfs supports delayed allocation already, its the main method for file
IO.  It is currently possible to do online defrag of the Btree and of
files.

We don't yet have very good fragmentation analysis tools.

-chris