bftw: Fix open FD accounting

Due to the introduction of bfs_dir, we don't need to reserve an extra
file descriptor for the currently open directory.

1 files changed, 2 insertions, 3 deletions

diff --git a/bftw.c b/bftw.c
index dcf270a..687dc03 100644
--- a/bftw.c
+++ b/bftw.c
@@ -562,7 +562,7 @@ static int bftw_state_init(struct bftw_state *state, const struct bftw_args *arg
 
 	state->error = 0;
 
-	if (args->nopenfd < 2) {
+	if (args->nopenfd < 1) {
 		errno = EMFILE;
 		return -1;
 	}
@@ -572,8 +572,7 @@ static int bftw_state_init(struct bftw_state *state, const struct bftw_args *arg
 		return -1;
 	}
 
-	// Reserve 1 fd for the open bfs_dir
-	bftw_cache_init(&state->cache, args->nopenfd - 1);
+	bftw_cache_init(&state->cache, args->nopenfd);
 	bftw_queue_init(&state->queue);
 	state->batch = NULL;