Bug#573761: [PATCH] hook-functions: let dep_add_modules() recurse into lvm slave devices
When searching for the root block device, there may be multiple device
mapper indirections.
Signed-off-by: Nikolaus Schulz <microschulz@web.de>
---
hook-functions | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/hook-functions b/hook-functions
index 98597db..7e7c14c 100644
--- a/hook-functions
+++ b/hook-functions
@@ -284,10 +284,10 @@ dep_add_modules()
|| [ "${root#/dev/dm-}" != "${root}" ]; then
minor=$((0x$(stat --format "%T" ${root}) % 256))
block=$(ls -1 /sys/block/dm-${minor}/slaves | head -n 1)
- # lvm on luks or luks on lvm
- if [ "${block#dm-}" != "${block}" ]; then
+ # lvm on luks or luks on lvm, possibly lvm snapshots
+ while [ "${block#dm-}" != "${block}" ]; do
block=$(ls -1 /sys/block/${block}/slaves | head -n 1)
- fi
+ done
# lvm on md or luks on md
if [ "${block#md}" != "${block}" ]; then
block=$(awk "/^${block}/{print substr(\$5, 1, 4); exit}" \
--
1.7.0
Reply to: