39 lines
1.6 KiB
Diff
39 lines
1.6 KiB
Diff
From 51e90d49bae0a1d92687876f161c8463529fb702 Mon Sep 17 00:00:00 2001
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From: Zdenek Kabelac <zkabelac@redhat.com>
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Date: Mon, 6 Mar 2023 14:52:59 +0100
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Subject: [PATCH 099/115] vdo: use fixed size vdopool wrapper
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Instead of using size of 'empty header' in vdopool use fixed size 4K
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for a 'wrappeing' vdo-pool device.
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This fixes the issue when user tried to activate vdo-pool after
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a conversion from vdo managed device with 'vgchange -ay' - where
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this command activated all LVs with 'vdo-pool' wrapping device as well,
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but this converted pool uses 0-length header.
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This 4k size should usually prevent other tools like 'blkid' recognize
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such device as anything - so it shouldn't cause any problems with
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duplicate indentification of devices.
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(cherry picked from commit e8e6347ba3f59cbd2f7e92aa707543b90fa607a3)
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---
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lib/activate/dev_manager.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/lib/activate/dev_manager.c b/lib/activate/dev_manager.c
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index 4924d8c56..0c029917f 100644
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--- a/lib/activate/dev_manager.c
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+++ b/lib/activate/dev_manager.c
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@@ -3043,7 +3043,7 @@ static int _add_layer_target_to_dtree(struct dev_manager *dm,
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/* Add linear mapping over layered LV */
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/* From VDO layer expose ONLY vdo pool header, we would need to use virtual size otherwise */
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- if (!add_linear_area_to_dtree(dnode, lv_is_vdo_pool(lv) ? first_seg(lv)->vdo_pool_header_size : lv->size,
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+ if (!add_linear_area_to_dtree(dnode, lv_is_vdo_pool(lv) ? 8 : lv->size,
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lv->vg->extent_size,
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lv->vg->cmd->use_linear_target,
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lv->vg->name, lv->name) ||
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--
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2.41.0
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