Btrfs: don't wait around for new log writers on an SSD



Waiting on spindles improves performance, but ssds want all the
IO as quickly as we can push it down.

Signed-off-by: Chris Mason <chris.mason@fusionio.com>

parent 28a33cbc

fs/btrfs/transaction.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1330,7 +1330,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
		spin_unlock(&root->fs_info->trans_lock);
		}

		if (now < cur_trans->start_time \|\| now - cur_trans->start_time < 1)
		if (!btrfs_test_opt(root, SSD) &&
		(now < cur_trans->start_time \|\| now - cur_trans->start_time < 1))
		should_grow = 1;

		do {