[SRU][MANTIC][PATCH 5/5] Revert "UBUNTU: SAUCE: rbd: bump RBD_MAX_PARENT_CHAIN_LEN to 128"

[Dimitri John Ledkov]

BugLink: https://bugs.launchpad.net/bugs/2041613

This reverts commit 498d08b9bd07f84e5d086d959c14510f930dff73.

Signed-off-by: Dimitri John Ledkov <dimitri.ledkov at canonical.com>
---
 drivers/block/rbd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index e99c8382dd..2328cc05be 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -89,7 +89,7 @@ static int atomic_dec_return_safe(atomic_t *v)
 #define RBD_MINORS_PER_MAJOR		256
 #define RBD_SINGLE_MAJOR_PART_SHIFT	4
 
-#define RBD_MAX_PARENT_CHAIN_LEN	128
+#define RBD_MAX_PARENT_CHAIN_LEN	16
 
 #define RBD_SNAP_DEV_NAME_PREFIX	"snap_"
 #define RBD_MAX_SNAP_NAME_LEN	\
-- 
2.34.1