lockdep: increase MAX_LOCK_DEPTH

Some code paths exceed the current max lock depth (XFS), so increase
this limit a bit. I looked at making this a dynamic allocated array,
but we should not advocate insane lock depths, so stay with this as
long as it works...

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index e217d188a102..e3ea12437547 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1189,7 +1189,7 @@ struct task_struct {
         int softirq_context;
 #endif
 #ifdef CONFIG_LOCKDEP
-# define MAX_LOCK_DEPTH 30UL
+# define MAX_LOCK_DEPTH 48UL
         u64 curr_chain_key;
         int lockdep_depth;
         struct held_lock held_locks[MAX_LOCK_DEPTH];