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

[Stephen C. Tweedie]

Hi,

On Fri, 2006-06-09 at 17:49 -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.

No, we add the same number of inodes in the new groups that all the
previous groups have.

--Stephen


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