From: Trent Piepho <tpiepho@kymetacorp.com>
To: barebox <barebox@lists.infradead.org>
Subject: Re: [PATCH 2/2 v2] partitions/efi: Add partuuid to partition description
Date: Wed, 9 Dec 2015 23:38:31 +0000 [thread overview]
Message-ID: <1449704317.26955.62.camel@rtred1test09.kymeta.local> (raw)
In-Reply-To: <1449698677.26955.59.camel@rtred1test09.kymeta.local>
In commit bc31d85c6e23d724664e76bcfc3b2eda778012a3 the partition UUID
was added to the partition struct and thence to the cdev(s) for the
partition. But just for DOS partitions. Do this for GPT aka EFI
partitions too.
Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
---
Changes from v1:
Turns out the default is to print the UUID in big-endian format
but the kernel and everyone else uses little-endian for GPT UUIDs.
common/partitions/Kconfig | 1 +
common/partitions/efi.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/common/partitions/Kconfig b/common/partitions/Kconfig
index 90238ad..be9405a 100644
--- a/common/partitions/Kconfig
+++ b/common/partitions/Kconfig
@@ -16,6 +16,7 @@ config PARTITION_DISK_DOS
config PARTITION_DISK_EFI
depends on PARTITION_DISK
select CRC32
+ select PRINTF_UUID
bool "EFI: GPT partition support"
help
Add support to handle partitions in GUID Partition Table style.
diff --git a/common/partitions/efi.c b/common/partitions/efi.c
index 61abf00..a9945dd 100644
--- a/common/partitions/efi.c
+++ b/common/partitions/efi.c
@@ -457,6 +457,7 @@ static void efi_partition(void *buf, struct block_device *blk,
pentry->size = le64_to_cpu(ptes[i].ending_lba) - pentry->first_sec;
pentry->size++;
part_set_efi_name(&ptes[i], pentry->name);
+ snprintf(pentry->partuuid, sizeof(pentry->partuuid), "%pUl", &ptes[i].unique_partition_guid);
pd->used_entries++;
}
--
1.8.3.1
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next prev parent reply other threads:[~2015-12-09 23:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-09 21:55 [PATCH 1/2] partitions: UUID was missing from partitions by name Trent Piepho
2015-12-09 22:04 ` [PATCH 2/2] partitions/efi: Add partuuid to partition description Trent Piepho
2015-12-09 23:38 ` Trent Piepho [this message]
2015-12-10 8:00 ` [PATCH 1/2] partitions: UUID was missing from partitions by name Sascha Hauer
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