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Ext4's typical GPT partition type not recognized

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Adding additional entries to the efi conversion array will help prevent
the overwriting of the GPTs of disks with in-use file systems in more
cases. Most notably, this adds partition type 8300 "Linux filesystem"
(0FC63DAF-8483-4772-8E79-3D69D8477DE4), which is often used for ext4 and
btrfs, among others.

This commit itself does nothing to address the underlying problematic
behavior that check_slice() isn't called on partitions of an
unrecognized type, even when they contain a currently mounted file
system.

The additional entries were derived from these two resources:
https://en.wikipedia.org/wiki/GUID_Partition_Table
http://sourceforge.net/p/gptfdisk/code/ci/master/tree/parttypes.cc

Signed-off-by: ilovezfs <ilovezfs@icloud.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4016
This commit is contained in:
ilovezfs
2015-11-22 04:06:21 -08:00
committed by Brian Behlendorf
parent fc80384923
commit 917b8c5cec
2 changed files with 187 additions and 1 deletions
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lib/libefi/rdwr_efi.c
+61 -1
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@@ -75,7 +75,67 @@ static struct uuid_to_ptag {
{ EFI_FREEBSD_SWAP },
{ EFI_FREEBSD_UFS },
{ EFI_FREEBSD_VINUM },
{ EFI_FREEBSD_ZFS }
{ EFI_FREEBSD_ZFS },
{ EFI_BIOS_BOOT },
{ EFI_INTC_RS },
{ EFI_SNE_BOOT },
{ EFI_LENOVO_BOOT },
{ EFI_MSFT_LDMM },
{ EFI_MSFT_LDMD },
{ EFI_MSFT_RE },
{ EFI_IBM_GPFS },
{ EFI_MSFT_STORAGESPACES },
{ EFI_HPQ_DATA },
{ EFI_HPQ_SVC },
{ EFI_RHT_DATA },
{ EFI_RHT_HOME },
{ EFI_RHT_SRV },
{ EFI_RHT_DMCRYPT },
{ EFI_RHT_LUKS },
{ EFI_FREEBSD_DISKLABEL },
{ EFI_AAPL_RAID },
{ EFI_AAPL_RAIDOFFLINE },
{ EFI_AAPL_BOOT },
{ EFI_AAPL_LABEL },
{ EFI_AAPL_TVRECOVERY },
{ EFI_AAPL_CORESTORAGE },
{ EFI_NETBSD_SWAP },
{ EFI_NETBSD_FFS },
{ EFI_NETBSD_LFS },
{ EFI_NETBSD_RAID },
{ EFI_NETBSD_CAT },
{ EFI_NETBSD_CRYPT },
{ EFI_GOOG_KERN },
{ EFI_GOOG_ROOT },
{ EFI_GOOG_RESV },
{ EFI_HAIKU_BFS },
{ EFI_MIDNIGHTBSD_BOOT },
{ EFI_MIDNIGHTBSD_DATA },
{ EFI_MIDNIGHTBSD_SWAP },
{ EFI_MIDNIGHTBSD_UFS },
{ EFI_MIDNIGHTBSD_VINUM },
{ EFI_MIDNIGHTBSD_ZFS },
{ EFI_CEPH_JOURNAL },
{ EFI_CEPH_DMCRYPTJOURNAL },
{ EFI_CEPH_OSD },
{ EFI_CEPH_DMCRYPTOSD },
{ EFI_CEPH_CREATE },
{ EFI_CEPH_DMCRYPTCREATE },
{ EFI_OPENBSD_DISKLABEL },
{ EFI_BBRY_QNX },
{ EFI_BELL_PLAN9 },
{ EFI_VMW_KCORE },
{ EFI_VMW_VMFS },
{ EFI_VMW_RESV },
{ EFI_RHT_ROOTX86 },
{ EFI_RHT_ROOTAMD64 },
{ EFI_RHT_ROOTARM },
{ EFI_RHT_ROOTARM64 },
{ EFI_ACRONIS_SECUREZONE },
{ EFI_ONIE_BOOT },
{ EFI_ONIE_CONFIG },
{ EFI_IBM_PPRPBOOT },
{ EFI_FREEDESKTOP_BOOT }
};
/*