repart: Use CRYPT_ACTIVATE_PRIVATE

Let's skip udev device scanning when activating a LUKS volume in
systemd-repart as we don't depend on any udev symlinks and don't
expect anything except repart to access the volume.

Suggested by https://github.com/systemd/systemd/issues/33129#issuecomment-2143390941.

(cherry picked from commit 726fc7ae696510b04c24810f691d34f5d20529d6)

diff --git a/src/partition/repart.c b/src/partition/repart.c
index 2ecae4ca0302f84abcbe1ae3e324cfb70619c1aa..78cf60f724550176b642d48548aacf9af2aed7a1 100644 (file)
--- a/src/partition/repart.c
+++ b/src/partition/repart.c
@@ -4236,7 +4236,7 @@ static int partition_encrypt(Context *context, Partition *p, PartitionTarget *ta
                                 dm_name,
                                 NULL,
                                 VOLUME_KEY_SIZE,
-                                arg_discard ? CRYPT_ACTIVATE_ALLOW_DISCARDS : 0);
+                                (arg_discard ? CRYPT_ACTIVATE_ALLOW_DISCARDS : 0) | CRYPT_ACTIVATE_PRIVATE);
                 if (r < 0)
                         return log_error_errno(r, "Failed to activate LUKS superblock: %m");