Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3

["Stephen C. Tweedie" <sct@redhat.com>]

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.

--Stephen


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