Re: [RFC 0/13] extents and 48bit ext3
Jeff Garzik <[email protected]>
| Newsgroups | gmane.comp.file-systems.ext2.devel,gmane.linux.kernel,gmane.linux.file-systems |
|---|---|
| Message-ID | <[email protected]> |
Ingo Molnar wrote: > the ext3 -> ext4 patches add +2115 lines of code (which 2115 lines solve > the biggest performance and scaling problem ext3 currently has), which > is 1.9% of the linecount of XFS. Indeed! > ext3 does quite a few things to stay compatible with ext2 - and frankly, > i very much expected it to do that when i migrated my ext2 data to ext3. > The days of "change the world in an incompatible way and dont look back" > are gone. I agree with your point in the thread -- most users and distros don't change their main fs on a whim. But I also point out that these extent+48bit changes _do_ change the format in an incompatible way... Jeff