Add fill_device option

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 569b998f215b78d41a36ac71d78f1506a013af4e..7b717f7739664f44393d67b7b6521e8ca0404eae 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -262,6 +262,10 @@ filesize=siint     Individual file sizes. May be a range, in which case fio
                and limited to 'size' in total (if that is given). If not
                given, each created file is the same size.
 
+fill_device=bool Sets size to something really large and waits for ENOSPC (no
+               space left on device) as the terminating condition. Only makes
+                sense with sequential write.
+
 blocksize=siint
 bs=siint       The block size used for the io units. Defaults to 4k. Values
                can be given for both read and writes. If a single siint is