From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 17 Jun 2023 03:30:02 +0000 (-0400)
Subject: bcachefs: Fix bch2_btree_update_start()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=45a1ab57ddb53a8b392baab2142c909154a8d37c;p=linux.git

bcachefs: Fix bch2_btree_update_start()

The calculation for number of nodes to allocate in
bch2_btree_update_start() was incorrect - this fixes a BUG_ON() on the
small nodes test.

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

diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index d2811c4756b7d..e95e48857bb8b 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1077,7 +1077,7 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
 					BKEY_BTREE_PTR_U64s_MAX * (1 + split)))
 			break;
 
-		split = true;
+		split = path->l[update_level].b->nr.live_u64s > BTREE_SPLIT_THRESHOLD(c);
 	}
 
 	if (flags & BTREE_INSERT_GC_LOCK_HELD)