fix posix_fallocate() return value usage

posix_fallocate() returns the error number on failure.  Fix the return value
usage.

Signed-off-by: Greg Edwards <greg.edwards@hp.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

diff --git a/filesetup.c b/filesetup.c
index b90d12ae8f17aefb4aeb11c1dac3a45b697c9546..f0883901b466969ffa6499946bf9801f06844610 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -71,9 +71,9 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
                                                        f->real_file_size);
 
                r = posix_fallocate(f->fd, 0, f->real_file_size);
-               if (r < 0) {
+               if (r > 0) {
                        log_err("fio: posix_fallocate fails: %s\n",
-                                       strerror(-r));
+                                       strerror(r));
                }
        }
 #endif