[PATCH] [ktest] Test simple drive replacement on a replicated fs

[Chris Webb <chris@arachsys.com>]

This currently fails because metadata doesn't get copied to the
replacement device, although the data content of the filesystem
does get replicated during the data rereplicate step.

Signed-off-by: Chris Webb <chris@arachsys.com>
---
 tests/bcachefs/replication.ktest | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/bcachefs/replication.ktest b/tests/bcachefs/replication.ktest
index 7057fa7..569b984 100644
--- a/tests/bcachefs/replication.ktest
+++ b/tests/bcachefs/replication.ktest
@@ -629,3 +629,17 @@ test_replicas_gc()
 
     bcachefs fsck /dev/sd[bcdef]
 }
+
+# Fails
+test_replace_replica()
+{
+    bcachefs format --errors=panic --replicas=2 /dev/sd[bc]
+    mount -t bcachefs -o degraded /dev/sdb /mnt
+
+    bcachefs device add -f /mnt /dev/sdd
+    bcachefs data rereplicate /mnt
+    umount /mnt
+
+    mount -t bcachefs -o degraded /dev/sdd /mnt
+    umount /mnt
+}