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David Miller wrote: > From: Chris Mason <chris.mason@oracle.com> > Date: Tue, 12 Feb 2008 09:08:59 -0500 > >> I've had requests to move the super down to 64k to make room for >> bootloaders, which may not matter for sparc, but I don't really plan >> on different locations for different arches. > > The Sun disk label sits in the first 512 bytes and the boot loader > block sits in the second 512 bytes. > > I think leaving even more space is a good idea for several reasons. Yep. I chose 32K unused space in the prototype filesystem I wrote [1, 2.4 era]. I'm pretty sure I got that number from some other filesystem, maybe even some NTFS incarnation. It's just good practice to avoid the first and last "chunks" of a partition, FSVO chunk. Jeff [1] http://kernel.org/pub/linux/kernel/people/jgarzik/ibu/ | ||||||||||||
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