efibootmgr 0.4.0-test6

I've done a bit of GPT code cleanup in efibootmgr, prompted by Richard Hirst's Debian IA-64 work, and have now posted 0.4.0-test6 at
http://domsch.com/linux/ia64/efibootmgr/efibootmgr-0.4.0-test6.tar.gz

Changelog extracts below since the first of the year. Functionally the only new thing is the write_variable() behavior change necessitated by EFI 1.1 having gone and changed the name of the variable I had been using as the "victim".

- write_variable() now searches /proc/efi/vars for a variable that's not the one being written. The EFI 1.1 sample implementation changed the name of the "victim" being written to (was Efi-xxxxx, now EFI-xxxxx), so previous versions of efibootmgr don't work with the new firmware. This should fix that up.
- conversion to GPT code in post-2.4.18 and post-2.5.7 kernels.
- added manpage contributed by [email protected]
- BLKGETSIZE64 is fixed in 2.4.18-pre8 and 2.5.4-pre3. Wait a bit longer before using though.
- added list_for_each_safe() routine. It's needed in the boot var deletion routine, though it was already breaking out once found.
- commented out BLKGETSIZE64 ioctl use for now. Kernels 2.4.15-2.4.18 and 2.5.0-2.5.3 don't return the right value.
- added back in read last sector IOCTL hack, but only after read() fails.
- Changed PROC_DIR_EFI to PROC_DIR_EFI_VARS

This works fine on my Itanium workstation with GPT disks and a 2.4.18 kernel.
Barring anything unexpected, I want to tag this as 0.4.0 final in the near future.

Feedback and patches appreciated.

Thanks,
Matt

Matt Domsch
Sr. Software Engineer
Dell Linux Solutions www.dell.com/linux
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