From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 24 Mar 2024 23:52:03 +0000 (-0400)
Subject: bcachefs: Add an assertion for trying to evict btree root
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=aa6e130e3c2965a5c26a4033ff63b5dc9549bd76;p=linux.git

bcachefs: Add an assertion for trying to evict btree root

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 562561a9a510e..8ff21b2e14636 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -1134,6 +1134,8 @@ void bch2_btree_node_evict(struct btree_trans *trans, const struct bkey_i *k)
 	b = btree_cache_find(bc, k);
 	if (!b)
 		return;
+
+	BUG_ON(b == btree_node_root(trans->c, b));
 wait_on_io:
 	/* not allowed to wait on io with btree locks held: */