diff options
Diffstat (limited to 'fs/bcachefs/btree_update_interior.c')
| -rw-r--r-- | fs/bcachefs/btree_update_interior.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c index 76897cf15946..65ca54c5b0ff 100644 --- a/fs/bcachefs/btree_update_interior.c +++ b/fs/bcachefs/btree_update_interior.c @@ -336,6 +336,20 @@ static struct btree *__bch2_btree_node_alloc(struct btree_trans *trans, BUG_ON(b->ob.nr); mutex_lock(&c->btree_reserve_cache_lock); + if (unlikely(c->open_buckets_nr_free <= bch2_open_buckets_reserved(watermark))) { + guard(spinlock)(&c->freelist_lock); + if (c->open_buckets_nr_free <= bch2_open_buckets_reserved(watermark)) { + if (cl) + closure_wait(&c->open_buckets_wait, cl); + + ret = cl + ? bch_err_throw(c, bucket_alloc_blocked) + : bch_err_throw(c, open_buckets_empty); + mutex_unlock(&c->btree_reserve_cache_lock); + goto err; + } + } + if (c->btree_reserve_cache_nr > nr_reserve) { for (struct btree_alloc *a = c->btree_reserve_cache; a < c->btree_reserve_cache + c->btree_reserve_cache_nr;) { |