On May 09, 2007 21:19 -0700, Eric wrote: > This is my first post to the list. I want to add online defrag support > to ext2/3/4 just to scratch an itch. > > I've searched the archives and googled around, and I've come to the > following conclusions: > *An offline defrag tool is available but dangerous. Yes, old and dangerous. > *Some patches exist that provide preliminary support for online defrag > in the ext3 driver, but interest in improving/integrating these patches > is low. I don't think that is true. Takashi Sato is actively working on online defrag, and patches are posted regularly to the linux-ext4 mailing list. I'd recommend that any work being done be spent in improving those patches instead of starting from scratch. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc. - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html