bcachefs: Make open bucket reserves more conservative

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

diff --git a/fs/bcachefs/alloc_foreground.c b/fs/bcachefs/alloc_foreground.c
index 333aa140af54db9f87a4ff7382549c6a6f067d87..4c1c264ce206292bd3c3feec3ef67ccfd90bdf92 100644 (file)
--- a/fs/bcachefs/alloc_foreground.c
+++ b/fs/bcachefs/alloc_foreground.c
@@ -212,9 +212,9 @@ static inline unsigned open_buckets_reserved(enum alloc_reserve reserve)
        case RESERVE_ALLOC:
                return 0;
        case RESERVE_BTREE:
-               return BTREE_NODE_OPEN_BUCKET_RESERVE;
+               return OPEN_BUCKETS_COUNT / 4;
        default:
-               return BTREE_NODE_OPEN_BUCKET_RESERVE * 2;
+               return OPEN_BUCKETS_COUNT / 2;
        }
 }