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43 lines
1.8 KiB
43 lines
1.8 KiB
From 07f2604aeeb20d187e7243007fc5ab1a0560a4b7 Mon Sep 17 00:00:00 2001 |
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From: "Brian C. Lane" <bcl@redhat.com> |
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Date: Wed, 4 Feb 2015 16:46:07 -0800 |
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Subject: [PATCH 32/32] libparted: device mapper uses 512b sectors (#1188431) |
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device mapper doesn't use the device's sector size when creating a |
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table. It always uses 512b units. This causes partitions to be created |
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8x smaller than expected on devices with 4906b sectors. |
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Resolves: rhbz#1188431 |
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--- |
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libparted/arch/linux.c | 7 +++++-- |
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1 file changed, 5 insertions(+), 2 deletions(-) |
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diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c |
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index 788cdc3..1d11f58 100644 |
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--- a/libparted/arch/linux.c |
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+++ b/libparted/arch/linux.c |
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@@ -2849,8 +2849,10 @@ _dm_add_partition (PedDisk* disk, PedPartition* part) |
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dm_task_destroy (task); |
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task = NULL; |
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+ /* device-mapper uses 512b units, not the device's sector size */ |
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if ( ! (params = zasprintf ("%d:%d %lld", arch_specific->major, |
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- arch_specific->minor, part->geom.start))) |
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+ arch_specific->minor, |
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+ part->geom.start * (disk->dev->sector_size / PED_SECTOR_SIZE_DEFAULT)))) |
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goto err; |
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task = dm_task_create (DM_DEVICE_CREATE); |
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@@ -2860,7 +2862,8 @@ _dm_add_partition (PedDisk* disk, PedPartition* part) |
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dm_task_set_name (task, vol_name); |
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if (vol_uuid) |
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dm_task_set_uuid (task, vol_uuid); |
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- dm_task_add_target (task, 0, part->geom.length, |
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+ /* device-mapper uses 512b units, not the device's sector size */ |
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+ dm_task_add_target (task, 0, part->geom.length * (disk->dev->sector_size / PED_SECTOR_SIZE_DEFAULT), |
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"linear", params); |
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if (!dm_task_set_cookie(task, &cookie, 0)) |
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goto err; |
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-- |
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2.1.0 |
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