diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2022-09-24 00:14:38 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2022-10-03 23:54:34 -0400 |
| commit | ac4f9d6d2a926f34a4ae3aa4d39d5e9bb51d6f9d (patch) | |
| tree | 472bdc508c347c5bcbc21fd71575c15d64b0680a | |
| parent | e1e9d7a1a81d7e464bf79878412450b77d2690c5 (diff) | |
bcachefs: Use lockdep_set_no_check_recursion()
bcachefs has a cycle detector for deadlock avoidance, and thus lockdep
should not be checking for self deadlock on btree node locks - but we do
still want it for checking lock ordering w.r.t. other lock types.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/btree_cache.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c index d4687a10a0fc..44d8d7a46acc 100644 --- a/fs/bcachefs/btree_cache.c +++ b/fs/bcachefs/btree_cache.c @@ -118,6 +118,9 @@ static struct btree *__btree_node_mem_alloc(struct bch_fs *c) bkey_btree_ptr_init(&b->key); __six_lock_init(&b->c.lock, "b->c.lock", &bch2_btree_node_lock_key); +#ifdef CONFIG_DEBUG_LOCK_ALLOC + lockdep_set_no_check_recursion(&b->c.lock.dep_map); +#endif INIT_LIST_HEAD(&b->list); INIT_LIST_HEAD(&b->write_blocked); b->byte_order = ilog2(btree_bytes(c)); |