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RE: Parted, IA64 and ReiserFS

From: Matt_Domsch
Subject: RE: Parted, IA64 and ReiserFS
Date: Thu, 13 Sep 2001 17:22:39 -0500

> I'm looking at parted and GPT again today finally.

OK, new GPT patch against 1.4.18 posted at http://domsch.com/linux/parted/
with today's date.  A quick test shows that reiserfs is recognized just
fine. :-)

Andrew, this doesn't address some of your concerns, but it does others.
Specifically, in gpt_write(), I grab the start and end of each partition and
stick it on-disk, so that move and resize work.  I didn't change
gpt_partition_new() because, best as my feeble mind can tell, I'm doing the
equivalent there as all the other labels.  Each label has its own way of
representing the various flags (RAID, LVM, boot, etc).  Rather than keep a
separate pile of variables around, then reading through the pile and writing
out the on-disk stuff, I change the on-disk equivalents when asked.  Except
for move/resize, which should be fine now.

Also, about gpt_probe().  It's doing the same as gpt_read() essentially, as
the probe is designed to return "yes, this is my disk", but I can only do
that *after* reading all the structures and making sure the CRCs match.  So,
probing requires a full read/fixup-if-necessary (which it automatically

FYI to everyone else.   The licensing issues have been resolved.  The GPT
patch has been disclaimed into the public domain, so it can be incorporated
into a GNU GPL project.


Matt Domsch
Sr. Software Engineer
Dell Linux Solutions
#2 Linux Server provider with 17% in the US and 14% Worldwide (IDC)!
#3 Unix provider with 18% in the US (Dataquest)!

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