Immutable leaf devices could prevent certain dependent devices from ever
becoming leaf devices. We avoid this problem by explicitly marking all
deps of an immutable leaf device as immutable at the same time we mark
the leaf immutable.
---
partIntfHelpers.py | 20 +++++++++++++++++---
1 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/partIntfHelpers.py b/partIntfHelpers.py
index e4e4c23..a8cde97 100644
--- a/partIntfHelpers.py
+++ b/partIntfHelpers.py
@@ -171,22 +171,36 @@ def doClearPartitionedDevice(intf, storage, device, confirm=1, quiet=0):
while deps:
leaves = [d for d in deps if d.isleaf]
for leaf in leaves:
+ if leaf in immutable:
+ # this device was removed from deps at the same time it
+ # was added to immutable, so it won't appear in leaves
+ # in the next iteration
+ continue
+
if storage.deviceImmutable(leaf):
- immutable.append(leaf.path)
+ immutable.append(leaf)
+ for dep in [d for d in deps if d != leaf]:
+ # mark devices this device depends on as immutable
+ # to prevent getting stuck with non-leaf deps
+ # protected by immutable leaf devices
+ if leaf.dependsOn(dep):
+ deps.remove(dep)
+ if dep not in immutable:
+ immutable.append(dep)
clean = False
else:
storage.destroyDevice(leaf)
deps.remove(leaf)
if storage.deviceImmutable(p):
- immutable.append(p.path)
+ immutable.append(p)
clean = False
if clean:
storage.destroyDevice(p)
if immutable and not quiet:
- remaining = "\t" + "\n\t".join(immutable) + "\n"
+ remaining = "\t" + "\n\t".join(p.path for p in immutable) + "\n"
intf.messageWindow(_("Notice"),
_("The following partitions were not deleted "
"because they are in use:\n\n%s") % remaining,
--
1.6.0.6
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