diff options
| -rw-r--r-- | fs/bcachefs/btree_key_cache.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c index ab394c2d6ef2..a575189f358c 100644 --- a/fs/bcachefs/btree_key_cache.c +++ b/fs/bcachefs/btree_key_cache.c @@ -236,6 +236,13 @@ static int btree_key_cache_fill(struct btree_trans *trans, */ new_u64s = k.k->u64s + 1; + /* + * Allocate some extra space so that the transaction commit path is less + * likely to have to reallocate, since that requires a transaction + * restart: + */ + new_u64s = min(256U, (new_u64s * 3) / 2); + if (new_u64s > ck->u64s) { new_u64s = roundup_pow_of_two(new_u64s); new_k = kmalloc(new_u64s * sizeof(u64), GFP_NOFS); |