Checking the number of files before starting fio job for creating files

Signed-off-by: Ankit Saurabh <[email protected]>

mountpoint-s3/scripts/fs_latency_bench.sh

@@ -66,7 +66,7 @@ do
 
     # create the target directory if it does not exist before running the benchmark
     mkdir -p ${target_dir}
-    file_count = ${ls $target_dir | wc -l}
+    file_count = $(ls $target_dir | wc -l)
     if [$file_count -ne $dir_size]; then
       fio --thread --directory=${target_dir} ${job_file}
     fi