Hi,
I've searched the archives and googled around, and I've come to the following conclusions: *An offline defrag tool is available but dangerous. *Some patches exist that provide preliminary support for online defrag in the ext3 driver, but interest in improving/integrating these patches is low. *An implementation of an ext* filesystem driver can work with any ext2/3/4 filesystem as long as it supports the necessary revision (GOOD_OLD_REV or DYNAMIC_REV) and feature flags set in the filesystem.
I'm working on the development of online defrag for ext4. The defrag can work effectively for fragmented huge files. So I'm focussing on ext4 which can store many huge files and developing the defrag for extent files on ext4. Any comments are very welcome. Takashi - 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
