diff options
Diffstat (limited to 'test-file-zero-alloc-speed.c')
| -rw-r--r-- | test-file-zero-alloc-speed.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test-file-zero-alloc-speed.c b/test-file-zero-alloc-speed.c index fbd8a03..dacb1c2 100644 --- a/test-file-zero-alloc-speed.c +++ b/test-file-zero-alloc-speed.c @@ -50,6 +50,18 @@ int pre_test_setup(char *source, char *target, char *fstype, perror("open"); return -1; } + + /* Flush out all other data that might be pending writing to + * the disk. We don't want to count the time we wait for the + * buffers of other apps to clear. (Ideally, this test would + * be run in single user mode with nothing else running on the + * system.) + */ + sync(); + sync(); + /* Just to be sure - http://lwn.net/Articles/325420/ */ + sync(); + return 0; } |