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]> |
Stephen C. Tweedie wrote: > Hi, > > On Fri, 2006-06-09 at 16:04 -0400, Jeff Garzik wrote: > >> Consider a blkdev of size S1. Using LVM we increase that value under >> the hood to size S2, where S2 > S1. We perform an online resize from >> size S1 to S2. The size and alignment of any new groups added will >> different from the non-resize case, where mke2fs was run directly on a >> blkdev of size S2. > > No, they won't. We simply grow the last block group in the filesystem > up to the size where we'd naturally add another block group anyway; and > then, we add another block group exactly where it would have been on a > fresh mkfs. Yes but the inodes per group etc. would differ. Jeff