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snapshot: create origin of virtual snap read only

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When creating old fashioned way thick virtual snapshot,
use read-only 'zero' _vorigin device.
This commit is contained in:
Zdenek Kabelac 2021-02-09 22:31:31 +01:00
parent 02978e1f01
commit dee104668e
1 changed files with 1 additions and 1 deletions
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2
lib/metadata/lv_manip.c
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@ -8273,7 +8273,7 @@ static struct logical_volume *_lv_create_an_lv(struct volume_group *vg,
/* Create zero origin volume for spare snapshot */
if (lp->virtual_extents &&
!(origin_lv = _create_virtual_origin(cmd, vg, lv->name,
lp->permission,
(lp->permission & ~LVM_WRITE),
lp->virtual_extents)))
goto revert_new_lv;